作者:Andrew S. Balnaves、Jonathan M. Percy、Michael J. Palmer
DOI:10.1039/a907174a
日期:——
Trifluoroethyl N-[2-(tert-butyldiphenylsilyloxy)ethyl]-N-isopropylcarbamate undergoes smooth dehydrofluorination–metallation followed by BF3·OEt2 mediated addition to aldehydes to afford a range of allylic alcohols; aldol reaction with a second aldehyde, then reduction, affords products which can be deprotected to afford difluorinated polyols.
三氟乙基N-[2-(叔丁基二苯基硅氧)乙基]-N-异丙基氨基甲酸酯经历顺利的脱氟化反应-金属化,随后通过BF3·OEt2介导与醛类的加成,生成一系列烯丙醇;与第二个醛进行醇缩酮反应,再经过还原,得到的产物可以去保护,从而得到二氟化多元醇。