Stereochemical Studies. LIX. Asymmetric Transamination from (S)-α-Amino Acids. Synthesis of optically Active Amines by Chemical Transamination of (S)-α-Amino Acid Esters to Ketones

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概要

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• Asymmetric synthesis of optically active amines (15) by catalytic hydrogenation and chemical transamination of the schiff bases (10) of (S)-α-amino acid esters (8) with ketones (9) was achieved. The effects of solvents and the ester moiety of chiral reagents on the asymmetric induction were examined, and (S)-(+)-2-amino-3-phenylpropane (15a) was prepared from (S)-valine tert-butyl ester and phenylacetone in 63% yield and 87% optical yield. The possible steric course of the asymmetric hydrogenation is discussed. The reduction of the Schiff bases (10) with sodium borohydride is also described.

• 社団法人日本薬学会の論文
• 1983-03-25

著者

• 山田 俊一

  Faculty of Pharmaceutical Sciences, University of Tokyo

• 山田 俊一

  東京大学

• 山田 俊一

  Faculty Of Pharmaceutical Sciences University Of Tokyo

• 阿知波 一雄

  Faculty of Pharmaceutical Sciences, University of Tokyo

• 伊古田 暢夫

  Faculty of Pharmaceutical Sciences, University of Tokyo

• 伊古田 暢夫

  National Institute Of Radiological Sciences

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