Synthesis of optically pure spiro [cyclohexane-oxindoline] derivatives via catalytic asymmetric Diels–Alder reaction of brassard-type diene with methyleneindolines
J Zheng, L Lin, K Fu, H Zheng, X Liu… - The Journal of Organic …, 2015 - ACS Publications
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.
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.
[引用][C] Synthesis of Optically Pure Spiro [cyclohexane-oxindoline] Derivatives via Catalytic Asymmetric Diels–Alder Reaction of Brassard-Type Diene with …
Z Jianfeng, L Lili, F Kai, Z Haifeng, L Xiaohua… - 2015
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