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3- Cyano-2-pyrazinecarboxamide

Bis(benzylideneamino)-2-cyanoacrylamide (58) gave a separable mixture of 3-cyano-5,6-diphenyl-4,5-dihydro- (59a) and 3-cyano-5,6-diphenyl-l,6-dihydro-2-pyrazinecarboxamide (59b) (Me2SO, 80°C, 10 min 10 and 68%, respectively) ... [Pg.10]

Chloro-5-cyano-2-pyrazinecarboxamide (162) gave 5-cyano-3-ethylthio- (163, R = Et) (EtSH, Et3N, EtzO, reflux, <7 h 43%) or 5-cyano-3-phenylthio-2-pyrazinecarboxamide (163, R = Ph) (PhSH, Et3N, PhH, reflux, <7 h ... [Pg.169]

Cyano-3-diethylamino-2-pyrazinecarboxamide (158) gave 3-diethylamino-5-thiocarbamoyl-2-pyrazinecarboxamide (159) (NH4SH, MeOH—H20, 5°C, 12 h 75% homologues likewise).510... [Pg.323]

All the major routes to pyrazinecarbonitriles have been discussed already by primary synthesis in Chapters 1 and 2 by cyanolysis of halogenopyrazines in Sections 4.2.8 and 4.4 by deoxidative cyanation of pyrazine N-oxides in Section 5.5.2.4 by the rare cyanolysis of nitropyrazines in Section 7.1.2 by cyanolysis of trimethylammoniopyrazine salts no recent examples by dehydration of pyrazinecarboxamides in Section 8.4.2 and by passenger introduction of a cyano group in a variety of ways, for example, by cyanoalkylation. [Pg.330]

Amino-5-chloro-6-thioxo-1,6-dihydro-2-pyrazinecarbohydrazide 3-Amino-6-chloro-5-thioxo-4,5-dihydro-2-pyrazinecarbohydrazide 3-Amino-6-cyano-5-methoxy-2-pyrazinecarboxamide 3-Amino-6-cyano-5-methoxy-2-pyrazine-carboxylic acid... [Pg.360]

Chloro-5-cyano-2-pyrazinecarboxamide 3-Ch]oro-6-cyano-2-pyrazinecarboxamide 5-Chloro-6-cyclohexylamino-... [Pg.385]

Cyano-3-diallylamino-2-pyrazinecarboxamide 5-Cyano-3-diethylamino-2-pyrazinecarboxamide 3-Cyano-5,6-diphenyl-2-pyrazinecarboxamide 5-Cyano-3-dipropylamino-2-pyrazinecarboxamide 5-Cyano-3-ethylthio-2-pyrazinecarboxamide 5-Cyano-3-isobutylamino-2-pyrazinecarboxamide 5-Cyano-3-isopropylthio-2-pyrazinecarboxamide 2- (1-Cyano-1 -methylethyl)pyrazine 2- Cyanomethyl-3 -phenylpyrazine 2-(l-Cyano-2-methylpropyl)pyrazine 2- Cyanomethylpyrazine... [Pg.395]

Ethyl 3-amino- l-benzyl-5-isobutyl-6-oxo-1,6-dihydro-2-pyrazinecarboxylate 4-oxide Ethyl 3-amino-6-benzyloxy-5-isobutyl-2-pyrazinecarboxylate 4-oxide Ethyl 3-amino-6-chloro-5-ethoxy-2-pyrazinecarboxylate Ethyl 6-amino-3-chloromethyl-5-cyano-2-pyrazinecarboxylate Ethyl 6-amino-3-chloromethyl-5-cyano-2-pyrazinecarboxylate 1-oxide Ethyl 3-amino-5-chloro-6-methyl-2-pyrazinecarboxylate Ethyl 3-amino-5-chloro-6-phenyl-2-pyrazinecarboxylate Ethyl 5-amino-6-cyano-3-methyl-2-pyrazinecarboxylate Ethyl 6-amino-5-cyano-3-methyl-2-pyrazinecarboxylate Ethyl 6-amino-5-cyano-3-methyl-2-pyrazinecarboxylate 1-oxide Ethyl 3-amino-5,6-dimethyl-2-pyrazinecarboxylate 5-Ethylamino-6-ethylcarbamoyl-3-methylami no-2-pyrazinecarboxamide... [Pg.419]

Chloro-5-cyano-2-pyrazinecarboxamide (105, R = Cl) gave 5-cyano-3-diethy-lamino- (105, R = NEt2) (Et2NH, PhH, reflux, 1 h 74% also homologes), ° ... [Pg.157]

See other pages where 3- Cyano-2-pyrazinecarboxamide is mentioned: [Pg.325]    [Pg.380]    [Pg.395]    [Pg.325]    [Pg.380]    [Pg.395]    [Pg.246]    [Pg.11]    [Pg.157]    [Pg.322]    [Pg.325]    [Pg.355]    [Pg.366]    [Pg.380]    [Pg.380]    [Pg.380]    [Pg.383]    [Pg.395]    [Pg.395]    [Pg.395]    [Pg.11]    [Pg.157]    [Pg.322]    [Pg.325]    [Pg.355]    [Pg.366]    [Pg.380]    [Pg.380]    [Pg.380]    [Pg.383]    [Pg.395]    [Pg.395]    [Pg.395]   
See also in sourсe #XX -- [ Pg.325 ]

See also in sourсe #XX -- [ Pg.325 ]



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2-Pyrazinecarboxamide

3- Chloro-5-cyano-2-pyrazinecarboxamide

Pyrazinecarboxamides

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