Chemistry of vinyl sulfones. Approach to novel conformationally restricted analogues of glutamic acid
作者:David Díez、P. García、Isidro S. Marcos、N.M. Garrido、P. Basabe、Howard B. Broughton、Julio G. Urones
DOI:10.1016/j.tet.2004.10.072
日期:2005.1
A totally different approach to conformationally restricted glutamic acid analogues is described, in which one of the acid functions is replaced by a cyclopropanol. The reactivity of cyclopropanol vinyl sulfones toward addition of lithiated Schollkopf bislactim ether provides a facile synthesis of a-amino acid diastereoisomers. Conformational analysis of these analogues, incorporating solvation effects, and docking to a glutamate receptor model, are used to show the relevance of the conformational restrictions employed. (C) 2004 Elsevier Ltd. All rights reserved.