Synthesis of Optically Pure Spiro[cyclohexane-oxindoline] Derivatives via Catalytic Asymmetric Diels–Alder Reaction of Brassard-Type Diene with Methyleneindolines
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https://figshare.com/articles/dataset/Synthesis_of_Optically_Pure_Spiro_cyclohexane_oxindoline_Derivatives_via_Catalytic_Asymmetric_Diels_Alder_Reaction_of_Brassard_Type_Diene_with_Methyleneindolines/2134657
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资源简介：
A highly efficient N,N′-dioxide–Zn(II)
complex catalytic system for the asymmetric Diels–Alder reaction
of Brassard-type diene with methyleneindolines was developed. The
optically pure spiro[cyclohex[3]ene-1,3′-indoline]-1′-carboxylate-2,
2′-dione derivatives containing three stereocenters were obtained
in moderate yields with 98% to >99% ee in a stereospecific manner.
创建时间：
2016-02-13
