DIASTEREOSELECTIVE CATALYTIC ASYMMETRIC NITROALDOL REACTION UTILIZING RARE EARTH-LI-(R)-BINOL COMPLEX - A HIGHLY EFFICIENT SYNTHESIS OF NORSTATINE

被引:111
作者
SASAI, H
KIM, WS
SUZUKI, T
SHIBASAKI, M
MITSUDA, M
HASEGAWA, J
OHASHI, T
机构
[1] UNIV TOKYO,FAC PHARMACEUT SCI,BUNKYO KU,TOKYO 113,JAPAN
[2] KANEKA CORP,BIOCHEM RES LABS,TAKASAGO,HYOGO 676,JAPAN
关键词
D O I
10.1016/0040-4039(94)88093-X
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Rare earth-Li-BINOL complexes were used to catalyze nitroaldol reactions of optically active alpha-amino-aldehydes with nitromethane in a highly diastereoselective manner. A typical adduct, (2S, 3S)-3-phthaloylamino-2-hydroxy-1-nitro-4- phenylbutane was conveniently converted to (2S, 3S)-3-amino-2- hydroxy-4-phenylbutanoic acid (erythro-AHPA; phenylnorstatine), a component of the HIV protease inhibitor KNI-227 and KNI-272.
引用
收藏
页码:6123 / 6126
页数:4
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