Db. Shinde et al., SYNTHESIS OF 1,4-DIHYDROPYRIDINES AND THEIR HYPOTENSIVE ACTIVITY, Indian journal of chemistry. Sect. B: organic chemistry, including medical chemistry, 34(10), 1995, pp. 920-922
1,4-Dihydropyridines (1-35) have been synthesised by treating differen
t aldehydes with dicarbonyl compounds and ammonium hydroxide and are f
ound to possess hypotensive activity.