Acid catalyzed intramolecular Diels-Alder reactions in lithium perchlorate-diethyl ether: Acid promoted migration of terminal dienes prior to [4+2] cycloaddition in conformationally restricted substrates
作者:Paul A. Grieco、James P. Beck、Scott T. Handy、Naoki Saito、John F. Daeuble、Ernest E. Campaigne、Marvin Carmack
DOI:10.1016/0040-4039(94)85004-6
日期:1994.9
Use of 10 mol% camphorsulfonic acid in 5.0 M lithium perchlorate-diethyl ether to promote intramolecular Diels-Alder reactions of conformationally restricted substrates, wherein the substrates possess a terminal diene unit, gives rise to tandem diene migration - [4+2] cycloaddition.
在5.0 M高氯酸锂-乙醚中使用10 mol%樟脑磺酸来促进构象受限的底物的分子内Diels-Alder反应,其中底物具有末端二烯单元,导致串联二烯迁移-[4 + 2]环加成。