Montmorillonite clay-catalyzed hetero-Diels–Alder reaction of 2,3-dimethyl-1,3-butadiene with benzaldehydes
作者:Matthew R. Dintzner、Andrew J. Little、Massimo Pacilli、Dominic J. Pileggi、Zachary R. Osner、Thomas W. Lyons
DOI:10.1016/j.tetlet.2007.01.010
日期:2007.2
Montmorillonite K10 clay was found to catalyze the hetero-Diels-Alder reaction of 2,3-dimethyl-1,3-butadiene with o-anisaldehyde and other benzaldehyde derivatives; a transition state involving chelation of the clay's metal ions with the dienophile's heteroatoms is proposed. (c) 2007 Elsevier Ltd. All rights reserved.