THE ASYMMETRIC SYNTHESIS OF AMINO ACIDS UNDER POLYMER-SUPPORTED PHASE TRANSFER CATALYTIC CONDITION*

WANG Yongmeib; ZHANG Zhengpua; WANG Zhenb; MENG Jibenb; Hodge P.c

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THE ASYMMETRIC SYNTHESIS OF AMINO ACIDS UNDER POLYMER-SUPPORTED PHASE TRANSFER CATALYTIC CONDITION*

Papers | Updated：2021-06-21

- THE ASYMMETRIC SYNTHESIS OF AMINO ACIDS UNDER POLYMER-SUPPORTED PHASE TRANSFER CATALYTIC CONDITION*
- Vol. 16, Issue 4, Pages: 356-361(1998)
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- Published：20 December 1998
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WANG Yongmeib, ZHANG Zhengpua, WANG Zhenb, et al. THE ASYMMETRIC SYNTHESIS OF AMINO ACIDS UNDER POLYMER-SUPPORTED PHASE TRANSFER CATALYTIC CONDITION*[J]. 1998, 16(4): 356-361.
DOI：

WANG Yongmeib, ZHANG Zhengpua, WANG Zhenb, et al. THE ASYMMETRIC SYNTHESIS OF AMINO ACIDS UNDER POLYMER-SUPPORTED PHASE TRANSFER CATALYTIC CONDITION*[J]. 1998, 16(4): 356-361. DOI：

摘要

The optical α-amino acids were synthesized under room temperature byalkylation of N-(diphenyl methylene) glycine t-butyl ester under polymer-supported phasetransfer conditions using polymer-supported cinchonine (or quinine) alkaloids as chiralphase transfer catalysts and dichloromethane as solvent

followed by hydrolysis of theabove intermediates introduced to the final products-optical α-amino acids. This is anew method for the asymmetric synthesis of α-amino acids. The influences of catalyst

temperature

substrates

and organic solvents on the chemical yield and optical purities of products were stydied.

Abstract

temperature

substrates

and organic solvents on the chemical yield and optical purities of products were stydied.

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