Stereoselectivities of thermal and Lewis acid catalyzed intramolecular Diels-Alder reactions of internally activated dienophiles to form 5–11 membered rings
作者:Douglas A. Smith、Kunio Sakan、K.H. Houk
DOI:10.1016/s0040-4039(00)85086-8
日期:1986.1
The thermal and Lewisacidcatalyzed intramolecular Diels-Alderreactions of 1 (n = 5–11) have been studied. The catalyzedreactions efficiently form 7–11 membered rings and produce mainly cis adducts. Lewisacids prevent the five-membered ring forming reaction.
Medium ring synthesis via intramolecular diels-alder reaction. I. The synthesis of bicyclo[6.4.O]dodecane systems
作者:Kunio Sakan、Douglas A. Smith
DOI:10.1016/s0040-4039(01)81166-7
日期:1984.1
The regio- and stereocontrolled synthesis of cis-fused bicyclo[6.4.Oldodecane ring systems by the application of the Lewis acid-catalyzed intramolecular Diels-Alderreaction is described.