diethyl 2,6-dimethyl-4-[3-methyl-5-(2-oxo-2-phenylethyl)isoxazol-4-yl]-1,4-dihydropyridine-3,5-dicarboxylate 在
dimethyl sulfide borane 、 (S)-CBS 作用下,
以
二氯甲烷 、
甲苯 为溶剂,
反应 24.5h,
生成 diethyl (S)-4-(5-(2-hydroxy-2-phenylethyl)-3-methylisoxazol-4-yl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate 、
diethyl (R)-4-(5-(2-hydroxy-2-phenylethyl)-3-methylisoxazol-4-yl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate