Synthetic Approaches to Guanacastepenes. Enantiospecific Syntheses of BC and AB Ring Systems of Guanacastepenes and Rameswaralide
作者:A. Srikrishna、Dattatraya H. Dethe
DOI:10.1021/ol036057i
日期:2004.1.1
[reaction: see text] A simple and efficient approach for the BC and AB ringsystems of the novel diterpenes guanacastepenes and rameswaralide starting from the readily and abundantly available monoterpene (R)-carvone employing RCM reaction as the key step is described.
An efficient ring-closing metathesis reaction of geminally disubstituted olefins using first generation Grubbs’ catalyst: enantiospecific synthesis of pacifigorgianes
作者:A. Srikrishna、Dattatraya H. Dethe
DOI:10.1016/j.tetlet.2003.08.076
日期:2003.10
An efficient ring closing metathesis reaction with first generation Grubbs’ catalyst [PhCHRuCl2(PCy3)2] involving geminally disubstituted olefins has been discovered. It has been extended to the enantiospecific synthesis of pacifigorgiane sesquiterpenes.