3-amino-dihydropyridines, a process for their preparation,...

Details 3-amino-dihydropyridines, a process for their preparation,... 3-amino-dihydropyridines, a process for their preparation,...

C - Chemistry, Metallurgy

07

D

167/211, 260/251

C07D 211/84 (2006.01) C07D 211/90 (2006.01) C07D 401/04 (2006.01) C07D 491/04 (2006.01) C07D 491/048 (2006.01)

Patent

CA 1283106

Abstract Novel cardioactive compounds of the formula Image in which R1 is alkyl, aryl or heterocyclic, preferably substituted phenyl, R2 is alkyl, preferably methyl, R3 is hydrogen, halogen, acyloxy or alkyl, preferably hydrogen, and R4 is phenyl, carbalkoxy or together with R3 forms a ring, preferably carbalkoxy, are produced by reducing the corresponding nitro compounds.

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