Aspects of the intramolecular Diels-Alder reactions of some 1,3,9-trienic amides, amines, and esters. An approach to the pentacyclic skeleton of the yohimboid alkaloids
作者:Stephen F. Martin、Sidney A. Williamson、R. P. Gist、Karl M. Smith
DOI:10.1021/jo00174a005
日期:1983.12
Intramolecular Diels–Alder reaction of 1,7,9-decatrienoates catalyzed by indium(III) trifluoromethanesulfonate in aqueous media
作者:Hikaru Yanai、Akio Saito、Takeo Taguchi
DOI:10.1016/j.tet.2005.05.062
日期:2005.7
The intramolecular Diels–Alder reaction of ester-tethered 1,7,9-decatrienoate derivatives in a mixture of water and 2-propanol was catalyzed by indium(III) triflate to give the cycloadducts in good yield with perfect endo-selectivity.