HCID 46888274, compound → HCID 71322013, compound

Participants

Reaction Steps

After 8 hours' boiling of a solution of 12.5 g 3'-nitrobenzylidene-acetoacetic acid methyl ester and 7.2 g β-ethyl-β-aminoacrylic acid ethyl ester in 70 ml ethanol, 2-methyl-6-ethyl-4-(3'-nitrophenyl) 1,4-dihydropyridine-3,5-dicarboxylic acid 3-methyl ester 5-ethyl ester of melting point 123°C (acetic ester/petroleum) was obtained. Yield 71% of theory.

Provenance & Evidence