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Three strategies (additive, chiral auxiliary or chiral reagent) were developed to improve the diastereoselectivity or enantioselectivity of the ylide cyclopropanation reactions.

通过添加剂、手性辅基、手性试剂3略,分别控制反应的非对映选择性对映选择性。

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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.

虽然用N-十酰基-L-脯氨-3,5-基苯胺作添加剂,手性选择性也较好,但由于含有苯环,紫外吸收增强,基线波动严重。

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antirustcoat, antisabbatarian, antisaloon, Antisana, antiscabietic, antiscale, antischizophrinic, antiscience, anti-science, anti-scientism,

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3G, 401(K), a,

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