Process for preparing novel dihydropyridine derivatives

Details Process for preparing novel dihydropyridine derivatives Process for preparing novel dihydropyridine derivatives

1986-12-18

1989-01-03

Fan, Jane T.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546321, 546269, C07D21102

Patent

active

047958146

ABSTRACT:
Process for preparing dihydropyridine derivatives and salts and esters thereof represented by the general formula ##STR1## from a phenyl derivative and an enamine derivative in which the phenyl derivative is prepared by reacting a compound of the formula ##STR2## with a compound of the formula ##STR3## in the presence of an aromatic amine selected from o-, m-, p- anisidine; m-, p-toluidine; p-chloroaniline; aniline and o-phenetidine.

REFERENCES:
patent: 4031104 (1977-06-01), Bossert et al.
patent: 4044141 (1977-08-01), Bossert et al.
Jones, G., "The Knoevenagel Condensation", Organic Reactions, vol. 15, John Wiley & Sons, NY (1967).

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