Determination of the extent to which an SE2′ reaction of a propargylsilane is anti
作者:Ian Fleming、Kah Ling Christine Pang
DOI:10.1016/s0040-4039(02)01250-9
日期:2002.8
The propargylsilane, 1,3-bistrimethylsilylbut-1-yne, 11 reacts with aldehydes in the presence of titanium tetrachloride in anti S(E)2' reactions, but with a low level of stereospecificity, 75:25 with 2,4-dinitrobenzaldehyde and close to 50:50 with isobutyraldehyde. (C) 2002 Elsevier Science Ltd. All rights reserved.