Manual of U.S. Patent Classification
as of June 30, 2000

Class
546
ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

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Subclass		Title
ClassTitle		===> ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES
		This Class 546 is considered to be an integral part of Class 260 (see the Class 260 schedule for the position of this Class in schedule hierarchy). This Class retains all pertinent definitions and class lines of Class 260.
		ORGANIC COMPOUNDS (Class 532, Subclass 1)
		. HETEROCYCLIC CARBON COMPOUNDS CONTAINING A HETERO RING HAVING CHALCOGEN (I.E., OXYGEN, SULFUR, SELENIUM, OR TELLURIUM) OR NITROGEN AS THE ONLY RING HETERO ATOMS (Class 540, subclass 1)
1		. . Hetero ring is six-membered consisting of one nitrogen and five carbons
2		. . . Heavy metal or aluminum containing
3		. . . . Arsenic containing
4		. . . . The metal bonded directly to carbon, which carbon is a ring carbon of the six-membered hetero ring or which carbon is attached directly or indirectly to the six-membered hetero ring by nonionic bonding
5		. . . . The metal is bonded directly to chalcogen of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens, which group is attached directly or indirectly to the six-membered hetero ring by nonionic bonding
6		. . . . The metal is bonded directly to chalcogen which chalcogen is attached directly or indirectly to the six-membered hetero ring by nonionic bonding
7		. . . . . The chalcogen is bonded directly to ring carbon of a quinoline ring system (including hydrogenated)
8		. . . . The metal is in an anion and the six-membered hetero ring is in a cation
9		. . . . . The metal is bonded directly to halogen in the anion
10		. . . . Polycyclo ring system having the six-membered hetero ring as one of the cyclos
11		. . . . Piperidine containing
12		. . . . Azide or acyclic nitrogen containing
13		. . . Boron containing
14		. . . Silicon containing
15		. . . Spiro
16		. . . . The spiro includes the six-membered hetero ring
17		. . . . . Polycyclo ring system having one of the two rings which form the spiro as one of the cyclos
18		. . . . . . Polycyclo ring system having the six-membered hetero ring as one of the cyclos
19		. . . . . At least three ring hetero atoms in the two rings which form the spiro
20		. . . . . . At least three ring nitrogens in the two rings which form the spiro
21		. . . Phosphorus attached directly to the six-membered hetero ring by nonionic bonding
22		. . . Phosphorus attached indirectly to the six-membered hetero ring by nonionic bonding
23		. . . . Polycyclo ring system having the six-membered hetero ring as one of the cyclos
24		. . . . Chalcogen bonded directly to ring carbon of the six-membered hetero ring
25		. . . . . The phosphorus is bonded directly to the chalcogen
26		. . . Polycyclo ring system having the six-membered hetero ring as one of the cyclos
27		. . . . The polycyclo ring system has at least ten cyclos and at least four ring nitrogens
28		. . . . Nonacyclo ring system having the six-membered hetero ring as one of the cyclos
29		. . . . . The six-membered hetero ring shares ring nitrogen with a five-membered cyclo which contains additional ring nitrogen
30		. . . . Octacyclo ring system having the six-membered hetero ring as one of the cyclos
31		. . . . . Plural ring hetero atoms in the octacyclo ring system (e.g., flavanthrone, cepharanthrine, etc.)
32		. . . . . . At least four ring nitrogens in the octacyclo ring system (e.g., naphthoylene dibenzimidazole, etc.)
33		. . . . Heptacyclo ring system having the six-membered hetero ring as one of the cyclos
34		. . . . . Two of the cyclos share at least three ring members (e.g., protoveratrine, etc.)
35		. . . . . . At least three ring hetero atoms in the heptacyclo ring system
36		. . . . . Plural ring hetero atoms in the heptacyclo ring system
37		. . . . . . Ring carbon is shared by three of the cyclos (e.g., perylene tetracarboxylic acid diimide, etc.)
38		. . . . Hexacyclo ring system having the six-membered hetero ring as one of the cyclos
39		. . . . . Two of the cyclos share at least three ring members (e.g., etheno morphides, etc.)
40		. . . . . . Plural ring nitrogens in the hexacyclo ring system (e.g., reserpic acid lactone, etc.)
41		. . . . . Plural ring hetero atoms in the hexacyclo ring system
42		. . . . Pentacyclo ring system having the six-membered hetero ring as one of the cyclos
43		. . . . . Two of the cyclos share at least three ring members (i.e., bridged)
44		. . . . . . One of the five cyclos is five-membered and includes ring chalcogen (e.g., codeine, morphine, etc.)
45		. . . . . . . Nitrogen or divalent chalcogen double bonded directly to carbocyclic ring of the pentacyclo ring system (e.g., morphinones, etc.)
46		. . . . . . . A single chalcogen is bonded directly to ring carbon of the pentacyclo ring system (e.g., desoxy morphine, etc.)
47		. . . . . Plural ring hetero atoms in the pentacyclo ring system
48		. . . . . . Three or more ring hetero atoms in the pentacyclo ring system
49		. . . . . . Two ring nitrogens in the pentacyclo ring system (e.g., quinacridones, etc.)
50		. . . . . . . Ring nitrogen is shared by two of the cyclos (e.g., yohimbanes, etc.)
51		. . . . . . . . Ring nitrogen is shared by five-membered cyclo and six-membered cyclo (e.g., vincamine, etc.)
52		. . . . . . . . . 0Additional ring nitrogen in the five-membered cyclo
53		. . . . . . . . Having -C(=X)-, wherein X is chalcogen, bonded directly to ring carbon of the pentacyclo ring system and also bonded directly to chalcogen or nitrogen
54		. . . . . . . . . 0Plural chalcogens bonded directly to the same cyclo as is the -(C=X)- group
55		. . . . . . . . . . 0Trialkoxybenzoyl bonded directly to at least one of the chalcogens (e.g., reserpine, etc.)
56		. . . . . . . Three or more ring carbons of the pentacyclo ring system are substituted (e.g., substituted quinacridones, etc.)
57		. . . . . . . . Three or more chalcogens containing
58		. . . . . The pentacyclo ring system consists of five six-membered cyclos (e.g., anthraquinonebenzacridones, etc.)
59		. . . . . . Nitrogen attached directly to the pentacyclo ring system by nonionic bonding
60		. . . . . . . An additional ring is bonded directly to the nitrogen
61		. . . . Tetracyclo ring system having the six-membered hetero ring as one of the cyclos
62		. . . . . Plural ring hetero atoms in the tetracyclo ring system (e.g., acronycines, etc.)
63		. . . . . . Two of the cyclos share at least three ring member (i.e., bridged)
64		. . . . . . Three or more ring hetero atoms in the tetracyclo ring system
65		. . . . . . . Plural ring chalcogens in the tetracyclo ring system
66		. . . . . . Ring carbon is shared by three of the cyclos
67		. . . . . . . The three cyclos consist of two carbocyclic rings and a five-membered hetero ring which includes a ring nitrogen (e.g., ergolines, etc.)
68		. . . . . . . . Chalcogen or nitrogen bonded directly to ring carbon of the six-membered hetero ring
69		. . . . . . . . Having -C(=X)-, wherein X is chalcogen, bonded directly to the six-membered hetero ring (e.g., lysergic acid, etc.)
70		. . . . . . Two ring nitrogens in the tetracyclo ring system
71		. . . . . Ring nitrogen is shared by two of the cyclos
72		. . . . . . Two of the cyclos share at least three ring members or a ring carbon is shared by three of the cyclos (i.e., bridged or peri-fused)
73		. . . . . . The six-membered hetero ring shares ring members with one other cyclo only (e.g., pyrrocolines, etc.)
74		. . . . . Two of the cyclos share at least three ring members (e.g., morphinans, etc.)
75		. . . . . Ring carbon is shared by three of the cyclos
76		. . . . . . Chalcogen bonded directly to ring carbon of the six-membered hetero ring (e.g., anthrapyridones, etc.)
77		. . . . . The six-membered hetero ring shares ring members with one other cyclo only
78		. . . . . . Plural chalcogens bonded directly to carbocyclic rings of the tetracyclo ring system (e.g., pyridoanthraquinones, etc.)
79		. . . . Tricyclo ring system having the six-membered hetero ring as one of the cyclos
80		. . . . . Plural ring hetero atoms in the tricyclo ring system
81		. . . . . . Plural ring nitrogens in the tricyclo ring system
82		. . . . . . . Three or more ring hetero atoms in the tricyclo ring system
83		. . . . . . . . At least one of the ring hetero atoms is chalcogen
84		. . . . . . . One of the cyclos is five-membered
85		. . . . . . . . The six-membered hetero ring shares ring members with the five-membered cyclo only (e.g., pyrido-indoles, etc.)
86		. . . . . . . . . 0Chalcogen bonded directly to ring carbon of the tricyclo ring system
87		. . . . . . . . . 0Nitrogen attached directly or indirectly to the tricyclo ring system by nonionic bonding
88		. . . . . . . Phenanthrolines (including hydrogenated)
89		. . . . . . Ring oxygen in the tricyclo ring system
90		. . . . . . . Plural ring oxygens in the tricyclo ring system
91		. . . . . . . Tropane and oxirane in the tricyclo ring system
92		. . . . . . . Plural chalcogens bonded directly to ring carbons of the tricyclo ring system
93		. . . . . One of the cyclos has at least seven members
94		. . . . . Ring nitrogen is shared by two of the cyclos
95		. . . . . . Benzo(a)quinolizines (including hydrogenated)
96		. . . . . . . Additional polycyclo ring system having ring nitrogen (e.g., emetine, etc.)
97		. . . . . Two of the cyclos share at least three ring carbons (e.g., benzomorphans, etc.)
98		. . . . . Ring carbon is shared by each of the three cyclos (e.g., 1,8 naphthalimides, etc.)
99		. . . . . . Nitrogen, other than as nitro or nitroso, attached directly or indirectly to the tricyclo ring system by nonionic bonding
100		. . . . . . . The nitrogen is bonded directly to a carbocyclic ring of the tricyclo ring system
101		. . . . . Each of the three cyclos is six-membered (e.g., benzoquinolines, etc.)
102		. . . . . . Acridines (including hydrogenated)
103		. . . . . . . Chalcogen bonded directly to ring carbon of the six-membered hetero ring
104		. . . . . . . Nitrogen, other than as nitro or nitroso, attached directly or indirectly to the acridine ring system by nonionic bonding
105		. . . . . . . . The nitrogen is bonded directly to ring carbon of the six-membered hetero ring
106		. . . . . . . . . 0The nitrogen is part of a substituent which contains additional nonionically bonded nitrogen
107		. . . . . . . . Plural nitrogens, other than as nitro or nitroso, attached directly to the carbocyclic rings of the acridine ring system (e.g., 3,6-diaminoacridines, etc.)
108		. . . . . . Phenanthridines (including hydrogenated)
109		. . . . . . . Unsaturated ring bonded directly to ring carbon of the six-membered hetero ring
110		. . . . . . Chalcogen or -C(=X)-, wherein X is chalcogen, attached directly to the six membered hetero ring by nonionic bonding
111		. . . . . The tricyclo ring system consists of a five-membered carbocyclic ring ortho fused to both a six-membered carbocyclic ring and the six-membered hetero ring (e.g., indenopyridines, etc.)
112		. . . . Bicyclo ring system having the six-membered hetero ring as one of the cyclos
113		. . . . . Plural ring hetero atoms in the bicyclo ring system
114		. . . . . . Ring sulfur in the bicyclo ring system
115		. . . . . . Ring oxygen in the bicyclo ring system
116		. . . . . . . Acyclic chalcogen bonded directly to ring carbon of the bicyclo ring system
117		. . . . . . At least four ring nitrogens in the bicyclo ring system
118		. . . . . . Three ring nitrogens in the bicyclo ring system
119		. . . . . . . Two of the ring nitrogens are bonded directly to each other
120		. . . . . . . . Having -C(=X)-, wherein X is chalcogen, bonded directly to the bicyclo ring system
121		. . . . . . Ring nitrogen is shared by the two cyclos
122		. . . . . . The other cyclo in the bicyclo ring system is also six-membered (e.g., naphthyridines, etc.)
123		. . . . . . . Chalcogen and -C(=X)-, wherein X is chalcogen, bonded directly to ring carbons of the bicyclo ring system (e.g., 4-oxo-naphthyridine -3-carboxylic acid, etc.)
124		. . . . . Tropanes (including nor and dehydro forms)
125		. . . . . . Additional hetero ring containing
126		. . . . . . . Additional polycyclo ring system having the additional hetero ring as one of the cyclos
127		. . . . . . Chalcogen bonded directly to ring carbon of the tropane ring system
128		. . . . . . . Polycyclo-carbocyclic ring system
129		. . . . . . . Additional chalcogen attached directly or indirectly to the tropane ring system by nonionic bonding
130		. . . . . . . . Three or more oxygens attached directly or indirectly to the tropane ring system by nonionic bonding
131		. . . . . . . . . 0Hydroxy containing or containing oxy bonded directly to a Group IA or Group IIA light metal (i.e., -OH or -OM containing)
132		. . . . . . Having -C(=X)-, wherein X is chalcogen, bonded directly to the tropane ring system
133		. . . . . Quinuclidines (including unsaturated)
134		. . . . . . Quinoline containing (including hydrogenated)
135		. . . . . . . Additional hetero ring containing
136		. . . . . . . Three or more chalcogens attached indirectly to the quinuclidine ring system by nonionic bonding
137		. . . . . . Chalcogen bonded directly to ring carbon of the quinuclidine ring system
138		. . . . . Quinolizines (including hydrogenated)
139		. . . . . Isoquinolines (including hydrogenated)
140		. . . . . . Plural isoquinoline ring systems attached directly or indirectly to each other by nonionic bonding
141		. . . . . . Chalcogen attached directly to the six-membered hetero ring by nonionic bonding
142		. . . . . . . Plural chalcogens attached directly to the six-membered hetero ring by nonionic bonding
143		. . . . . . Nitrogen, other than as nitro or nitroso, attached directly to the isoquinoline ring system by nonionic bonding
144		. . . . . . Unsaturated ring attached directly to the six-membered hetero ring by nonionic bonding
145		. . . . . . Acyclic nitrogen double or triple bonded to carbon which is attached directly or indirectly to the isoquinoline ring system by nonionic bonding
146		. . . . . . Having -C(=X)-, wherein X is chalcogen, attached directly or indirectly to the isoquinoline ring system by nonionic bonding
147		. . . . . . . The -C(=X)- is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens
148		. . . . . . Unsaturated hetero ring attached indirectly to the isoquinoline ring system by nonionic bonding
149		. . . . . . Unsaturated carbocyclic ring attached indirectly to the six-membered hetero ring through an acyclic hydrocarbon chain
150		. . . . . . Single bond between 3,4-positions
151		. . . . . . N-alkyl or N-alkenyl isoquinoliniums which are otherwise unsubstituted or alkyl or alkenyl substituted only
152		. . . . . Quinolines (including hydrogenated)
153		. . . . . . Chalcogen attached directly to the six-membered hetero ring by nonionic bonding
154		. . . . . . . Polycyclo-carbocyclic ring system bonded directly to the six-membered hetero ring (e.g., quinophthalones, etc.)
155		. . . . . . . Plural chalcogens attached directly to the six-membered hetero ring by nonionic bonding
156		. . . . . . . Having -C(=X)-, wherein X is chalcogen, bonded directly to the six-membered hetero ring
157		. . . . . . . Chalcogen attached directly at 2-position by nonionic bonding
158		. . . . . . . . Single bond between 3,4-positions
159		. . . . . . Nitrogen, other than as nitro or nitroso, attached directly to the six membered hetero ring by nonionic bonding
160		. . . . . . . Unsaturated carbocyclic ring bonded directly to the nitrogen
161		. . . . . . . . Having -C(=X)-, wherein X is chalcogen, bonded directly to the carbocyclic ring
162		. . . . . . . Nitrogen attached indirectly to the six-membered hetero ring through the directly attached nitrogen by nonionic bonding
163		. . . . . . . . Both nitrogens bonded directly to the same acyclic hydrocarbon group
164		. . . . . . Fully saturated quinolines
165		. . . . . . Single bond between 1,2-positions and single bond between 3,4-positions
166		. . . . . . . The six-membered hetero ring is unsubstituted or alkyl substituted only
167		. . . . . . Unsaturated hetero ring attached directly to the quinoline ring system by nonionic bonding
168		. . . . . . Having -C(=X)-, wherein X is chalcogen, bonded directly to the quinoline ring system
169		. . . . . . . Acyclic nitrogen bonded directly to the -C(=X)- group
170		. . . . . . . The -C(=X)- is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens
171		. . . . . . Nitrogen, other than as nitro or nitroso, attached directly to the carbocyclic ring of the quinoline ring system by nonionic bonding
172		. . . . . . Acyclic sulfur bonded directly to oxygen and directly or indirectly to the quinoline ring system by nonionic bonding
173		. . . . . . Unsaturated carbocyclic ring attached directly to the quinoline ring system by nonionic bonding (e.g., quinophthalones, etc.)
174		. . . . . . Having -C(=X)-, wherein X is chalcogen, attached indirectly to the quinoline ring system by nonionic bonding
175		. . . . . . . Nitrogen bonded directly to the -C(=X)- group
176		. . . . . . Nitrogen, other than as nitro or nitroso, attached indirectly to the quinoline ring system by nonionic bonding
177		. . . . . . . Chalcogen attached directly to the carbocyclic ring of the quinoline ring system by nonionic bonding
178		. . . . . . Chalcogen attached directly to the carbocyclic ring of the quinoline ring system by nonionic bonding
179		. . . . . . . The chalcogen is in an -OH, -SH, -OM or -SM group (M is Group IA or Group IIA light metal)
180		. . . . . . Halogen or nitro attached directly or indirectly to the quinoline ring system by nonionic bonding
181		. . . . . . Quinolines which are unsubstituted or which are alkyl or alkenyl substituted only, or salt thereof
182		. . . . . . . Addition salts
183		. . . . . Chalcogen bonded directly to ring carbon of the bicyclo ring system
184		. . . Piperidines
185		. . . . Process of forming a piperidine ring from a pyridine ring or from a partially hydrogenated pyridine ring
186		. . . . Plural piperidine rings
187		. . . . . Additional hetero ring containing
188		. . . . . Chalcogen attached directly to a ring carbon of a piperidine ring by nonionic bonding
189		. . . . . Having -C(=X)-, wherein X is chalcogen, bonded directly to a piperidine ring
190		. . . . . Having -C(=X)-, wherein X is chalcogen, attached indirectly to a piperdine ring by nonionic bonding
191		. . . . . Carbocyclic ring containing
192		. . . . Additional ring containing
193		. . . . . Pyridine ring or partially hydrogenated pyridine ring
194		. . . . . . Carbocyclic ring containing
195		. . . . . The additional ring is one of the cyclos in a polycyclo ring system
196		. . . . . . Hetero ring in the polycyclo ring system
197		. . . . . . . Plural ring hetero atoms in the polycyclo ring system
198		. . . . . . . . Ring nitrogen in the polycyclo ring system
199		. . . . . . . . . 0Plural ring nitrogens in the polycyclo ring system
200		. . . . . . . Ring nitrogen in the polycyclo ring system
201		. . . . . . . . Bicyclo ring system which is indole (including hydrogenated)
202		. . . . . . . Ring sulfur in the polycyclo ring system
203		. . . . . . The polycyclo ring system is tricyclo-carbocyclic
204		. . . . . . . Chalcogen bonded directly to the tricyclo-carbocyclic ring system
205		. . . . . . The polycyclo ring system is bicyclo-carbocyclic
206		. . . . . . . Chalcogen bonded directly to the bicyclo-carbocyclic ring system
207		. . . . . The additional ring is a hetero ring
208		. . . . . . Ring nitrogen in the additional hetero ring
209		. . . . . . . Ring sulfur or ring oxygen in the additional hetero ring
210		. . . . . . . Plural ring nitrogens in the additional hetero ring
211		. . . . . . . . 1,2-diazole (including hydrogenated)
212		. . . . . . The additional hetero ring consists of one sulfur and four carbons
213		. . . . . . . Carbocyclic ring containing
214		. . . . . . The additional hetero ring consists of one oxygen and four carbons
215		. . . . . Cyano bonded directly to the piperidine ring
216		. . . . . Chalcogen bonded directly to ring carbon of the piperidine ring
217		. . . . . . Chalcogen and a carbocyclic ring bonded directly at 4-position
218		. . . . . . . The chalcogen, X, is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens
219		. . . . . . Plural chalcogens bonded directly to ring carbons of the piperidine ring
220		. . . . . . . Having -C(=X)-, wherein X is chalcogen, attached directly or indirectly to the piperidine ring by nonionic bonding
221		. . . . . . Having -C(=X)-, wherein X is chalogen, attached directly or indirectly to the piperidine ring by nonionic bonding
222		. . . . . . . The -C(=X)- group and the piperidine ring are bonded directly to the same chalcogen
223		. . . . . Nitrogen attached directly to the piperidine ring by nonionic bonding
224		. . . . . . Acyclic nitrogen bonded directly to a -C(=X)- group, wherein X is chalcogen
225		. . . . . Having -C(=X)-, wherein X is chalcogen, bonded directly to the piperidine ring
226		. . . . . . At 1-position
227		. . . . . . The -C(=X)- is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens
228		. . . . . . . Carbocyclic ring bonded directly at 4-position
229		. . . . . Nitrogen attached indirectly to the piperidine ring by nonionic bonding
230		. . . . . . Cyano attached indirectly to the piperidine ring by nonionic bonding
231		. . . . . . Plural acyclic nitrogens bonded directly to the same carbon or single bonded directly to each other
232		. . . . . . Chalcogen attached indirectly to the piperidine ring by nonionic bonding
233		. . . . . . . Acyclic nitrogen bonded directly to a -C(=X)- group, wherein X is chalcogen
234		. . . . . . . . Plural carbocyclic rings containing
235		. . . . . . . The chalcogen, X, is in a -C(=X)- group
236		. . . . . Chalcogen attached indirectly to the piperidine ring by nonionic bonding
237		. . . . . . The chalcogen, X, is in a -C(=X)- group
238		. . . . . . . The -C(=X)- is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens
239		. . . . . . . . Plural carbocyclic rings containing
240		. . . . . . The chalcogen is in an -OH or -OM group (M is Group IA or Group IIA light metal)
241		. . . . . . . The -OH or -OM is bonded to an acyclic carbon, which carbon is bonded directly to two rings
242		. . . . Chalcogen bonded directly to ring carbon of the piperidine ring
243		. . . . . At 2-position
244		. . . . Nitrogen attached directly to the piperidine ring by nonionic bonding
245		. . . . Having -C(=X)-, wherein X is chalcogen, bonded directly to the piperidine ring
246		. . . . Nitrogen attached indirectly to the piperidine ring by nonionic bonding
247		. . . . . Acyclic nitrogen bonded directly to a -C(=X)- group, wherein X is chalcogen
248		. . . . Chalcogen attached indirectly to the piperidine ring by nonionic bonding
249		. . . Process of forming partially hydrogenated pyridine ring
250		. . . Process of forming pyridine ring
251		. . . . The pyridine ring is unsubstituted or hydrocarbyl substituted only
252		. . . . . Starting materials include a nitrogen containing hetero ring (e.g., starting materials include a piperidine ring, etc.)
253		. . . . . Starting materials include a hydrocarbon
254		. . . . . Starting materials include an acyclic hydrocarbyl ether or an acyclic hydrocarbyl alcohol
255		. . . Plural pyridine or partially hydrogenated pyridine rings
256		. . . . Additional hetero ring containing
257		. . . . Pyridine or partially hydrogenated pyridine rings are bonded directly to each other
258		. . . . . Halogen containing or process utilizing halogen or halogen containing compound
259		. . . . . . Metal containing catalyst utilized
260		. . . . . Metal containing catalyst utilized
261		. . . . Chalcogen bonded directly to ring carbon of pyridine or partially hydrogenated pyridine ring
262		. . . . Having -C(=X)-, wherein X is chalcogen, bonded directly to pyridine or partially hydrogenated pyridine ring
263		. . . . . The -C(=X)- is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens
264		. . . . Acyclic nitrogen attached directly or indirectly to pyridine or partially hydrogenated pyridine ring by nonionic bonding
265		. . . . . Having -C(=X)-, wherein X is chalcogen, bonded directly to the acyclic nitrogen
266		. . . . Chalcogen attached indirectly to pyridine or partially hydrogenated pyridine ring by nonionic bonding
267		. . . . . The chalcogen, X, is in a -C(=X)- group
268.1		. . . Additional hetero ring containing
268.4		. . . . The additional hetero ring is five-membered having two or more ring hetero atoms of which at least one is nitrogen
268.7		. . . . . Thiadiazoles (including hydrogenated)
269.1		. . . . . Oxadiazoles (including hydrogenated)
269.4		. . . . . . Oxadiazole ring bonded directly to the six-membered hetero ring
269.7		. . . . . 1,3-thiazoles (including hydrogenated)
270.1		. . . . . . Polycyclo ring system having the 1,3-thiazole ring as one of the cyclos
270.4		. . . . . . 1,3-thiazole ring bonded directly to the six-membered hetero ring
270.7		. . . . . . Nitrogen attached directly to the 1,3-thiazole ring by nonionic bonding
271.1		. . . . . 1,2-thiazoles (including hydrogenated)
271.4		. . . . . 1,3-oxazoles (including hydrogenated)
271.7		. . . . . . Polycyclo ring system having the 1,3-oxazole ring as one of the cyclos
272.1		. . . . . 1,2-oxazoles (including hydrogenated)
272.4		. . . . . 1,2,4-triazoles (including hydrogenated)
272.7		. . . . . 1,3-diazoles (including hydrogenated)
273.1		. . . . . . Polycyclo ring system having the 1,3-diazole ring as one of the cyclos
273.4		. . . . . . . Bicyclo ring system which is benzimidazole (including hydrogenated)
273.7		. . . . . . . . Chalcogen bonded directly to a ring carbon of the 1,3-diazole ring
274.1		. . . . . . The 1,3-diazole ring is bonded directly to the six-membered hetero ring
274.4		. . . . . . Chalcogen attached directly to the 1,3-diazole ring by nonionic bonding
274.7		. . . . . . Nitrogen or -C(=X)-, wherein X is chalcogen, attached directly to the 1,3-diazole diazole ring by nonionic bonding
275.1		. . . . . . Chalcogen attached indirectly to the 1,3-diazole ring by acyclic nonionic bonding
275.4		. . . . . 1,2-diazoles (including hydrogenated)
275.7		. . . . . . Polycyclo ring system having the 1,2-diazole ring as one of the cyclos
276.1		. . . . . . Chalcogen attached directly to the 1,2-diazole ring by nonionic bonding
276.4		. . . . The additional hetero ring is five-membered consisting of one nitrogen and four carbons
276.7		. . . . . Polycyclo ring system having the five-membered hetero ring as one of the cyclos
277.1		. . . . . . Bicyclo ring system which is isoindole (including hydrogenated)
277.4		. . . . . . Bicyclo ring system which is indole (including hydrogenated)
277.7		. . . . . . . Chalcogen attached directly to the five-membered hetero ring by nonionic bonding
278.1		. . . . . . . Having -C(=X)-, wherein X is chalcogen, bonded directly to the five- membered hetero ring
278.4		. . . . . Chalcogen attached directly to the five-membered hetero ring by nonionic bonding
278.7		. . . . . . Plural chalcogens attached directly to the five-membered hetero ring by nonionic bonding
279.1		. . . . . Nitrogen or -C(=X)-, wherein X is chalcogen, attached directly to the five- membered ring by nonionic bonding
279.4		. . . . . Nicotine, per se, or its salts
279.7		. . . . Ring sulfur in the additional hetero ring
280.1		. . . . . The additional hetero ring is six-membered
280.4		. . . . . The additional hetero ring is five-membered
280.7		. . . . . . Plural ring sulfurs in the additional hetero ring
281.1		. . . . . . Polycyclo ring system having the additional hetero ring as one of the cyclos
281.4		. . . . . . Nitrigen attached directly to the six-membered hetero ring or to the additional hetero ring by nonionic bonding
281.7		. . . . Ring oxygen in the additional hetero ring
282.1		. . . . . The additional hetero ring is six-membered
282.4		. . . . . . Plural ring oxygens in the additional hetero ring
282.7		. . . . . . Polycyclo ring system having the additional hetero ring as one of the cyclos
283.1		. . . . . . . Chalcogen attached directly to the additional hetero ring by nonionic bonding
283.4		. . . . . The additional hetero ring is five-membered
283.7		. . . . . . Plural ring oxygens in the additional hetero ring
284.1		. . . . . . Polycyclo ring system having the additional hetero ring as one of the cyclos
284.4		. . . . . . Chalcogen attached directly to the additional hetero ring by nonionic bonding
284.7		. . . . . . Nitrogen or -C(=X)-, wherein X is chalcogen, attached directly to the additional hetero ring by nonionic bonding
285		. . . Polycyclo-carbocyclic ring system having at least three cyclos
286		. . . Cyano bonded directly to the six-membered hetero ring
287		. . . . Additional cyano containing
288		. . . . Chalcogen bonded directly to ring carbon of the six-membered hetero ring
289		. . . . Nitrogen attached directly to the six-membered hetero ring by nonionic bonding
290		. . . Chalcogen bonded directly to ring carbon of the six-membered hetero ring
291		. . . . Chalcogen and acyclic nitrogen bonded directly to the same carbon
292		. . . . . The chalcogen or the acyclic nitrogen is bonded directly to the six membered hetero ring
293		. . . . Sulfur bonded directly to acyclic nitrogen
294		. . . . Chalcogen bonded directly to chalcogen
295		. . . . . Halogen bonded directly to the six-membered hetero ring by nonionic bonding
296		. . . . Plural chalcogens bonded directly to ring carbons of the six-membered hetero ring
297		. . . . Nitrogen attached directly to the six-membered hetero ring by nonionic bonding
298		. . . . Having -C(=X)-, wherein X is chalcogen, bonded directly to the six-membered hetero ring
299		. . . . . Plural -C(=X)- groups, wherein X is chalcogen, bonded directly to the six membered hetero ring
300		. . . . Nitrogen attached indirectly to the six-membered hetero ring by nonionic bonding
301		. . . . Chalcogen attached indirectly to the six-membered hetero ring by nonionic bonding
302		. . . . . Halogen attached directly or indirectly to the six-membered hetero ring by nonionic bonding
303		. . . . Halogen attached directly or indirectly to the six-membered hetero ring by nonionic bonding
304		. . . Nitrogen attached directly to the six-membered hetero ring by nonionic bonding
305		. . . . Sulfur and acyclic nitrogen bonded directly to the same carbon
306		. . . . Plural acyclic nitrogens bonded directly to the same carbon or single bonded directly to each other
307		. . . . Plural nitrogens attached directly to the six-membered hetero ring by nonionic bonding
308		. . . . . Acyclic nitrogen bonded directly to a -C(=X)- group, wherein X is chalcogen
309		. . . . Acyclic nitrogen bonded directly to a -C(=X)- group, wherein X is chalcogen
310		. . . . Having -C(=X)-, wherein X is chalcogen, bonded directly to the six-membered hetero ring
311		. . . . The nitrogen bonded additionally only to hydrogen
312		. . . . Chalcogen attached indirectly to the six-membered hetero ring by nonionic bonding
313		. . . Thiocarbonyl bonded directly to the six-membered hetero ring
314		. . . Carbonyl bonded directly to the six-membered hetero ring
315		. . . . At 3-position
316		. . . . . Acyclic nitrogen bonded directly to the carbonyl
317		. . . . . . Processes of obtaining nicotinamide per se
318		. . . . . The carbonyl is in a -COO- group
319		. . . . . . Processes of obtaining nicotinic acid per se or a derivative of nicotinic acid wherein the only substituents are -COO- groups, or salt thereof
320		. . . . . . . By oxidation
321		. . . . . . Additional -COO- group bonded directly to the six-membered hetero ring
322		. . . . . . Carbocyclic ring containing
323		. . . . Acyclic nitrogen bonded directly to the carbonyl
324		. . . . . Acyclic nitrogen single bonded directly to acyclic nitrogen
325		. . . . . . Carbon double bonded directly to one of the acyclic nitrogens
326		. . . . The carbonyl is in a -COO- group
327		. . . . . Processes
328		. . . . Acyclic nitrogen attached indirectly to the six-membered hetero ring by nonionic bonding
329		. . . Nitrogen attached indirectly to the six-membered hetero ring by nonionic bonding
330		. . . . Cyano attached indirectly to the six-membered hetero ring by nonionic bonding
331		. . . . Sulfur and acyclic nitrogen bonded directly to the same carbon
332		. . . . Plural acyclic nitrogens bonded directly to the same carbon or single bonded directly to each other
333		. . . . The six-membered hetero ring and another ring bonded directly to the same carbon
334		. . . . Chalcogen attached indirectly to the six-membered hetero ring by nonionic bonding
335		. . . . . The chalcogen, X, is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens
336		. . . . . Acyclic nitrogen bonded directly to a -C(=X)- group, wherein X is chalcogen
337		. . . . . . Additional ring containing
338		. . . . . Acyclic nitrogen bonded directly to chalcogen
339		. . . Chalcogen attached indirectly to the six-membered hetero ring by nonionic bonding (e.g., sulfato betaines, etc.)
340		. . . . The chalcogen, X, is in a -C(=X)- group
341		. . . . . The -C(=X)- is part of a -C(=X)X- group, wherein the X's are the same of diverse chalcogens
342		. . . . . . Additional ring containing
343		. . . . The six-membered hetero ring and another ring bonded directly to the same carbon
344		. . . . The chalcogen is in an -OH or -OM group (M is Group IA or Group IIA light metal)
345		. . . Halogen attached directly to the six-membered hetero ring by nonionic bonding
346		. . . Halogen attached indirectly to the six-membered hetero ring by nonionic bonding
347		. . . The ring nitrogen of the six-membered hetero ring is pentavalent (e.g., quaternary pyridinium salts, etc.)
348		. . . Unsubstituted or hydrocarbyl substituted only, or salt thereof
349		. . . . Alkylation or dealkylation process
350		. . . . Unsaturated hydrocarbyl side chain
351		. . . . . Stabilized alkenyl pyridines
352		. . . . . Process of forming the unsaturated hydrocarbyl side chain
353		. . . . Purification or recovery

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Last Modified: 6 October 2000