Diastereoselective synthesis of β-(3,4,6-tri-O-benzyl-2-deoxy-β-D-galactopyranosyl)-N-tert-butoxycarbonyl-D-alanine

被引:18
作者
Lieberknecht, A
Griesser, H
Krämer, B
Bravo, RD
Colinas, PA
Grigera, RJ
机构
[1] Univ Stuttgart, Inst Organ Chem, D-70569 Stuttgart, Germany
[2] Natl Univ La Plata, Fac Ciencias Exactas, Lab Estudio Compuestos Organ, RA-1900 La Plata, Argentina
[3] Natl Univ La Plata, Fac Ciencias Exactas, Inst Fis Liquidos & Sistemas Biol, RA-1900 La Plata, Argentina
关键词
D O I
10.1016/S0040-4020(99)00306-3
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Key steps in the synthesis of beta-(3,4,6-tri-O-benzyl-2-deoxy-beta-D-galactopyranosyl)-N-tert-butoxycarbonyl-D-alanine are the Wittig reaction of 2-deoxy-galactopyranosylphosphonium salt 2 and Garner aldehyde, as well as the subsequent diastereoselective hydrogenation of the olefinated sugar 3a,b. (C) 1999 Elsevier Science Ltd. All rights reserved.
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收藏
页码:6475 / 6482
页数:8
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