Three strategies (additive, chiral auxiliary or chiral reagent) were developed to improve the diastereoselectivity or enantioselectivity of the ylide cyclopropanation reactions.
通过剂、手
辅基、手
试剂等3种策略,分别控制反应的非对映选择
和对映选择
。
Three strategies (additive, chiral auxiliary or chiral reagent) were developed to improve the diastereoselectivity or enantioselectivity of the ylide cyclopropanation reactions.
通过剂、手
辅基、手
试剂等3种策略,分别控制反应的非对映选择
和对映选择
。
The enantioselectivity of N-dodecanoyl-L-proline-3,5-dimethyl-anilide is also good, but the basic line fluctuates strongly due to containing benzene ring in its molecular structure.
用N-十二酰基-L-脯
酸-3,5-二甲基苯胺
剂,手
选择
也较好,但由于含有苯环,紫外吸收增强,基线波动严重。
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