Mucohalic acid in Lewis acid catalyzed Mukaiyama aldol reaction: a concise method for highly functionalized γ-substituted γ-butenolides
作者:Paul Angell、Ji Zhang、Daniel Belmont、Timothy Curran、James G. Davidson
DOI:10.1016/j.tetlet.2005.01.147
日期:2005.3
The first Mukaiyamaaldolreaction on mucohalic acid (1a/b) has been achieved. Reaction of 1 with various ketene silyl acetals or silyl enol ethers in the presence of a Lewisacid provides the γ-substituted γ-butenolides in good to excellent yield.
Preparation of 4-substituted-2-buten-4-olides from mucohalic acids
申请人:Angell Paul
公开号:US20060004211A1
公开(公告)日:2006-01-05
Methods and materials for preparing 4-substituted-2-buten-4-olides are disclosed. The method includes reacting a mucohalic acid with a silyl enol ether or a ketene silyl acetal in the presence of a Lewis acid.