Chemistry Letters p. 1765 - 1768 (1982)
Update date:2022-08-30
Topics:
Tachibana, Yoji
Ando, Makoto
Kuzuhara, Hiroyoshi
Diverse α-keto acids were transformed into the corresponding α-amino acids enantiomeric excess ranging from 60 to 96percent by the reaction with chiral pyridoxamine analog, (R)- or (S)-15-aminomethyl-14-hydroxy-5,5-dimethyl-2,8-dithia<9>(2,5)pyridinophane (4), and Zn2+ in the molar ratio of 2:1, in methanol.The use of the S enantiomer of 4 gave (R)-α-amino acids, and vice versa.
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