Synthetic approach to stemodin---A novel stereocontrolled construction of the stemodane system by the successive intramolecular Diels-Alder reactions
作者:Masahiro Toyota、Takashi Seishi、Masaharu Yokoyama、Keiichiro Fukumoto、Chizuko Kabuto
DOI:10.1016/s0040-4039(00)61318-7
日期:1992.8
The tetracyclic compound 18, possessing the stemodane skeleton, was synthesized from 1,4-cyclohexanedione monoethylene ketal 7. The key steps, 6→5 and 16→18, involve intramolecular Diels-Alder reaction.
由1,4-环己烷二酮单亚乙基缩酮7合成具有蛇毒烷骨架的四环化合物18。关键步骤6→5和16→18涉及分子内Diels-Alder反应。