Benzaldehyde → HCID 21539628, compound

Participants

Reaction Steps

Similarly, reaction of 5,5-dimethyl-2,4-hexanedione, benzaldehyde and ammonium hydroxide by the procedure of Example 6 with separation of the 1,4-dihydropyridines thus obtained and subsequent treatment with ethyl chloroformate as described above gives 3,5-di-t-butylcarbonyl-1-carbethoxy-1,4-dihydro-2,6-dimethyl-4-phenylpyridine and 3,5-diacetyl-2,6-di-t-butyl-1-carbethoxy-1,4-dihydro-4-phenylpyridine.

Provenance & Evidence