Ethyl 5-chloro-2-pyrazinecarboxylate

Ethyl 5-oxo-4,5-dihydro-2-pyrazinecarboxylate (1) gave ethyl 5-chloro-2-pyrazinecarboxylate (2) (POCl3, reflux, 90 min 88%).1681... [Pg.138]

Ethyl 5-chloro-2-pyrazinecarboxylate (133, R = Cl) gave ethyl 5-methoxy-2-pyrazinecarboxylate (133, R = OMe) (MeONa, MeOH, reflux, 20 min 40%).1681... [Pg.163]

Ethyl 5-bromo-2-pyrazinecarboxylate 2-(2-Ethylbut-1 -enyl)-6-methylpyrazine Ethyl 5-carbamoyl-2-pyrazinecarboxylate Ethyl 5-chloro-2-pyrazinecarboxylate Ethyl 3-cyano-5,6-dimethyl-2-pyrazinecarboximidate Ethyl 3-cyano-5,6-dimethyl-2-pyrazinecarboxylate Ethyl 3,5-diami no-6-chloro-2-pyrazi necarboximidate Ethyl 6-diethylamino-2-pyrazinecarboxylate 2-Ethyl-3,6-diisobutyl-5-methylpyrazine 2-Ethyl-3,6-diisobutylpy razi ne 2-Ethyl-3,6-diisobutylpyrazine 1 -oxide 2-Ethyl-3,6-diisobutylpyrazine 4-oxide 2-Ethyl-3,6-diisopropylpyrazine /V-Ethyl-AyV -dimethyl-3,5-bismethylamino-2,6-pyrazinedicarboxamide Ethyl 3,6-dimethyl-5-oxo-4,5-dihydro-2-pyrazinecarboxylate... [Pg.420]

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]

Dianiino-6-cliloro-2-pyrazinecarboxylic acid (39, R = OH) gave 3,5-di-ammo-6-chloro-Af-phenyl-2-pyrazinecarboxaniide (39, R = NHPh) [PhNH, ethyl 2-ethoxy-l,2-dihydro-l-quinolinecarboxylate, MC2SO, 30°C, 24 h 84% probably via a mixed anhydride] ... [Pg.306]

Methyl 3-amino-6-chloro-5-(A-ethyl-A-isopropylamino)-2-pyrazinecarboxylate... [Pg.439]

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