Asymmetric Synthesis of (R)-Nilvadipine and (S)-NB 818 via Regioselective Bromination of Chiral 1,4-Dihydropyridines as a Key Step and Enzymatic Resolution of Racemic 2-Hydroxymethyl-1,4-dihydropyridine Derivatives.
Asymmetric Synthesis of (R)-Nilvadipine and (S)-NB 818 via Regioselective Bromination of Chiral 1,4-Dihydropyridines as a Key Step and Enzymatic Resolution of Racemic 2-Hydroxymethyl-1,4-dihydropyridine Derivatives.
Lipase-catalyzed asymmetric hydrolysis and regioselective bromination of 1,4-dihydropyridine. Synthesis of (R)-(=)-nilvadipine
作者:Hirosato Ebiike、Kazuo Achiwa
DOI:10.1016/0957-4166(94)80108-8
日期:1994.8
Homochiral (R)-(+)-nilvadipine was synthesized from a prochiral substrate using lipase-catalyzed asymmetric hydrolysis and subsequent regioselective bromination as key steps.