Acetic Anhydride → HCID 70073884, compound

Participants

Reaction Steps

Starting from a mixture of 2-phenoxyethyl 2-methyl-4-(2-nitrophenyl)-5-ethoxycarbonyl-6-formyl-1,4-dihydropyridine-3-carboxylate (1.03 g), hydroxylamine hydrochloride (178.6 mg) and sodium acetate (352 mg) in acetic acid (8 ml) and acetic anhydride (1 ml), there was obtained in a similar manner to that of Example 4-2) an oil (420 mg) of 2-phenoxyethyl 2-methyl-4-(2-nitrophenyl)-5-ethoxycarbonyl-6-cyano-1,4-dihydropyridine-3-carboxylate.

Provenance & Evidence