Mild Synthesis of Furans with a Quaternary Carbon Substituent at the 2-Position
作者:Akihisa Iwamoto、Aki Katori、Yoshiaki Sashihara、Satoshi Kojima
DOI:10.1246/cl.2012.1586
日期:2012.12.5
The reaction of cis-4-oxopent-2-enal with β-carbonyl compounds in the presence of weak acids such as hexafluoroisopropyl alcohol was found to give furans with a quaternary carbon substituent at the 2-positon at room temperature or below. Reactivity was dependent on the identity of the substrates.