The furan approach to carbocyclic systems. Synthesis of cyclohexane derivatives from butenolides through an intramolecular Michael addition
作者:Generosa Gómez、Hilda Rivera、Isela García、Laura Estévez、Yagamare Fall
DOI:10.1016/j.tetlet.2005.06.137
日期:2005.8
We describe an efficient new approach for the synthesis of highlysubstituted cyclohexane derivatives that is based on the oxidation of a furan ring with singlet oxygen followed by an intramolecular Michael addition of the resulting butenolide containing an acidic methine group.