Three-component synthesis of 2-haloalk-2(Z)-en-1-ols via tandem haloalkylidenation–aldehyde addition
作者:Rachid Baati、D.K. Barma、J.R. Falck、Charles Mioskowski
DOI:10.1016/s0040-4039(02)00206-x
日期:2002.3
Cr(II)-induced condensation of CCl4 or CBr4 with an aldehyde stereospecifically generates an (E)-alpha-haloalkylidene chromium carbenoid which adds in situ to a second equivalent of aldehyde furnishing 2-haloalk-2(Z)-en-1-ols in high yield. (C) 2002 Elsevier Science Ltd. All rights reserved.