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Class Number: 546 Class Title: ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES Subclass Subclass Number Title * ORGANIC COMPOUNDS (Class 532, Subclass 1) .HETEROCYCLIC CARBON COMPOUNDS CONTAINING A HETERO RING HAVING CHALCOGEN (i.e., O, S, Se, or Te) OR NITROGEN AS THE ONLY RING HETERO ATOMS (Class 260, Subclass 239R) 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 att 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 .........Additional 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 .........Plural chalcogens bonded directly to the same cyclo as is the -(C=X)- group 55 ..........Trialkoxybenzoyl 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 .........Chalcogen bonded directly to ring carbon of the tricyclo ring system 87 .........Nitrogen attached directly or indirectly to the tricyclo ring system by nonionic bonding 88 .......Phenanthrolines (including hydrogenated) 89 ......Ring oxygen in the tricyclo ring systemm 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 .........The 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 alsoo 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 .........Hydroxy 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 heteroo 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 bondingg 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 .........Plural 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 directlyy 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 alcoholl 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 ...Additional hetero ring containing 269 ....The additional hetero ring is one of the cyclos in a polycyclo ring system 270 .....Plural ring hetero atoms in the polycyclo ring system 271 ......Plural ring nitrogens in the polycyclo ring system 272 .....Ring nitrogen in the polycyclo ring system 273 ......Bicyclo ring system which is indole (including hydrogenated) 274 .....Ring sulfur in the polycyclo ring system 275 ....Ring nitrogen in the additional hetero ring (e.g., oxazole, etc.) 276 .....Plural ring nitrogens in the additional hetero ring 277 ......Ring chalcogen in the additional hetero ring 278 ......The additional hetero ring consists of two nitrogens and three carbons 279 .......1,2-diazole (including hydrogenated) 280 .....Ring sulfur in the additional hetero ring 281 .....The additional hetero ring consists of one nitrogen and four carbons 282 ......Nicotine per se or salt thereof 283 ....The additional hetero ring is five-membered 284 .....Ring sulfur in the additional hetero ring 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 nitrogenn 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 bondingg 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