Use of biological catalysts for the preparation of chiral molecules. 8. Preparation of propargylic alcohols. Application in the total synthesis of leukotriene B4
作者:Michel Treilhou、Annie Fauve、Jean Rene Pougny、Jean Claude Prome、Henri Veschambre
DOI:10.1021/jo00037a044
日期:1992.5
Leukotriene B4 (LTB4) (1) was synthesized from two chiral propargylic alcohols 2 and 3 obtained by enantioselective enzymatic hydrolysis and enantiogenic microbial reduction, respectively. Condensation of these two synthons using a rapid and reproducible method not involving a Wittig reaction led to a compound with identical biological activity to that of natural LTB4.
Stereocontrolled total synthesis of leukotriene B4
作者:M. Avignon-Tropis、J. M. Berjeaud、J. R. Pougny、I. Frechard-Ortuno、D. Guillerm、G. Linstrumelle
DOI:10.1021/jo00028a046
日期:1992.1
A stereocontrolled synthesis of leukotriene B4 (1) is accomplished by assembly of the chiral synthons 2 and 4, prepared from D-mannitol and 2-deoxy-D-ribose, with (E)-dichloroethylene.
Leukotriene B-4 1 was prepared from two chiral synthons 8 and 14. The chiral secondary alcohols of 8 and 14 were constructed by BINOL/Ti(OiPr)(4) catalyzed enantioselective alkynylzinc addition to aldehydes. (C) 2017 Elsevier Ltd. All rights reserved.