Base-Assisted Regio- and Diastereoselective Conversion of Functionalized Furans to Butenolides Using Singlet Oxygen
作者:Santoshkumar N. Patil、Fei Liu
DOI:10.1021/ol062551l
日期:2007.1.1
A facile synthesis of beta-functionalized gamma-hydroxybutenolides was achieved using a Baylis-Hillman reaction followed by singlet oxygen oxidation. The conversion from 3-furfural was regio- and diastereoselective. [reaction: see text].
Fluoride-Assisted Regioselective Conversion of Functionalized Furans to α-Substituted γ-Hydroxybutenolides Using Singlet Oxygen
作者:Santoshkumar N. Patil、Fei Liu
DOI:10.1021/jo070666c
日期:2007.8.1
A facile synthesis of α-substituted γ-hydroxybutenolides from 3-furfural was achieved using a Baylis−Hillman reaction followed by singletoxygen oxidation. The regioselectivity of this conversion was controlled by using TBAF.