SYNTHESES OF SOME 1,2-DIHYDROPYRIDINES AND 1,4-DIHYDROPYRIDINES AND X-RAY CRYSTAL-STRUCTURES OF HYDRO-3-METHOXYCARBONYL-2-METHYL-4-PHENYLPYRIDINE, METHOXYCARBONYL-6-METHYL-4-PHENYLPYRIDIN-2(1H)-ONE AND RO-3-METHOXYCARBONYL-1,2-DIMETHYL-4-PHENYLPYRIDINE
Md. Pendleton et al., SYNTHESES OF SOME 1,2-DIHYDROPYRIDINES AND 1,4-DIHYDROPYRIDINES AND X-RAY CRYSTAL-STRUCTURES OF HYDRO-3-METHOXYCARBONYL-2-METHYL-4-PHENYLPYRIDINE, METHOXYCARBONYL-6-METHYL-4-PHENYLPYRIDIN-2(1H)-ONE AND RO-3-METHOXYCARBONYL-1,2-DIMETHYL-4-PHENYLPYRIDINE, Journal of chemical research. Synopses, (3), 1997, pp. 86
We describe a synthesis of an alpha-unsubstituted 1,4-dihydropyridjne
10 and its 1,2-dihydro isomer, and crystal structures of 10 and some b
y-products 5 and 6 obtained during the ring synthesis.