Preparation of 2,5-Disubstituted Furans from Terminal Ynones and Aldehydes with CrCl2, Me3SiCl, and H2O
作者:Kazuhiko Takai、Ryotaro Morita、Shuji Sakamoto
DOI:10.1055/s-2001-17478
日期:——
Treatment of α,β-acetylenic ketones with chromium(II) in the presence of aldehydes, Me3SiCl and water in THF gives 2,5-disubstituted furans in good to excellent yields.