Bulletin of the Academy of Sciences of the USSR Division of Chemical Science p. 2545 - 2549 (1989)
Update date:2022-08-16
Topics:
Nizova, I. A.
Krasnov, V. P.
Korotovskikh, O. V.
Alekseeva, L. V.
Reaction of p-substituted arylamines with dimethyl (2S,4RS)-4-bromo-N-phthaloylglutamate followed by separation of the stereoisomers has given the pure dimethyl (2S)-4-arylamino-N-phthaloylglutamates.Nucleophilic replacement of the halogen in dimethyl (2S,4RS)-4-bromo-N-phtaloylglutamate is diastereoselective, giving the threo-isomer preferentially.
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