作者:Robert M. Adlington、Jack E. Baldwin、Gareth J. Pritchard、Andrew J. Williams、David J. Watkin
DOI:10.1021/ol991068q
日期:1999.12.1
[GRAPHICS]Lucidene (1) has been shown to be derived from alpha-humulene (2) and o-benzoquinone methide (3) generated under thermal conditions.
A new and efficient method for o-quinone methide intermediate generation: application to the biomimetic synthesis of the benzopyran derived natural products (±)-lucidene and (±)-alboatrin
作者:Raphaël Rodriguez、John E. Moses、Robert M. Adlington、Jack E. Baldwin
DOI:10.1039/b508972g
日期:——
involve a hetero Diels-Alder cycloaddition between an o-quinonemethide intermediate with a simple, or activated tri-substituted olefin. Experimental evidence is provided to support this hypothesis, with the biomimetic synthesis of both (+/-)-lucidene and (+/-)-alboatrin successfully achieved using a new and efficient method for o-quinonemethidegeneration.