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《Fine Chemical Intermediates》 2005-01
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The Optical Resolution of Mandelic Acid

ZANG Jian, WANG Zhi-jun, WU Yi-zu(Nanjing University of Technology, Jiangsu 210009,China)  
A process was disclosed for resolving mandelic acid using optically active phenylglycine butyl ester or its hydrochloride. The yield and optical purity of S-(+)-mandelic are 90.1% and 66.73% for At the same time, The yield and optical purity R-(-)-mandelic acid are 98.9% and 32% respectively. Additionally, a general synthetic method of phenylglycine butyl ester and its hydrochloride was disclosed.
【CateGory Index】: TQ245.4
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【References】
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1 Wang Zhen,Chen Xiaoqing,Jiao Feipeng,Yang Ling,Li Yisheng(College of Chemistry and Chemical Engineering,Central South University,Changsha 410083);Enantioseparation of Mandelic Acid Enantiomers by Co-extractants with Di(2-ethylhexyl)phosphoric Acid and Tartaric Acid Derivatives[J];Chemistry;2009-06
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