Rearrangement of nitrone cycloadducts to methylene cyclopropane. Synthesis of indolizidine and quinolizidine derivatives.
作者:A. Brandi、A. Guarna、A. Goti、F. De Sarlo
DOI:10.1016/s0040-4039(00)84358-0
日期:1986.1
Isoxazolidines , obtained by cycloaddition of nitrones with methylene cyclopropane, undergo thermal rearrangement to piperidin-4-one derivatives. Indolizidine and quinolizidine derivatives are obtained from cyclic nitrones.
Rearrangement of isoxazoline-5-spiro derivatives. 2. Synthesis and rearrangement of tetrahydroisoxazole-5-spirocyclopropanes. Preparation of precursors of quinolizine, isoquinoline, and indole alkaloids
作者:Alberto Brandi、Sandro Garro、Antonio Guarna、Andrea Goti、Franca Cordero、Francesco De Sarlo