Two new chiral pyridine prolinol derivatives have been synthesized from N-alkylation of (S)-a,a-diphenyl-2-pyrrolidinemethanol with 2-bromomethylpyridine and 2, 6-dibromo- methyl-pyridine. The catalytic asymmetric bo...Two new chiral pyridine prolinol derivatives have been synthesized from N-alkylation of (S)-a,a-diphenyl-2-pyrrolidinemethanol with 2-bromomethylpyridine and 2, 6-dibromo- methyl-pyridine. The catalytic asymmetric borane reduction of prochiral ketones and the asymmetric addition of diethylzinc to benzaldehyde were investigated.展开更多
Three novel C2-symmetric macrocycles containing pyridyl units have been prepared by the cyclic condensation of chiral diamide intermediates with 2,6-pyridinedicarbonyl dichloride in highly diluted solution at room tem...Three novel C2-symmetric macrocycles containing pyridyl units have been prepared by the cyclic condensation of chiral diamide intermediates with 2,6-pyridinedicarbonyl dichloride in highly diluted solution at room temperature.展开更多
文摘Two new chiral pyridine prolinol derivatives have been synthesized from N-alkylation of (S)-a,a-diphenyl-2-pyrrolidinemethanol with 2-bromomethylpyridine and 2, 6-dibromo- methyl-pyridine. The catalytic asymmetric borane reduction of prochiral ketones and the asymmetric addition of diethylzinc to benzaldehyde were investigated.
文摘Three novel C2-symmetric macrocycles containing pyridyl units have been prepared by the cyclic condensation of chiral diamide intermediates with 2,6-pyridinedicarbonyl dichloride in highly diluted solution at room temperature.