The conformation and activity relationship of benzofuran derivatives as angiotensin II receptor antagonists
摘要:
We have synthesized various benzofuran derivatives to study the relationship between the conformation and the angiotensin II type I receptor antagonistic activity. (C) 1997, Elsevier Science Ltd.
Palladium catalysed intra- and inter-molecular coupling of vinyl halides. Regiospecific formation of 1,3-dienes
作者:Ronald Grigg、Paul Stevenson、Tanachat Worakun
DOI:10.1039/c39850000971
日期:——
Palladiumcatalysedcoupling of vinyl bromides proceeds in good yield under mild conditions provided sufficient triarylphosphine and potassium carbonate are present to regenerate the active palladium(0) species; double bond isomerisation is not observed under these conditions.
Regiospecific formation of 1,3-dienes by the palladium catalysed intra- and inter-molecular coupling of vinyl halides.1
作者:Ronald Grigg、Paul Stevenson、Tanachat Worakun
DOI:10.1016/s0040-4020(01)90347-3
日期:1988.1
Palladium acetate (5 mol %) effects catalytic inter-and intra-molecular coupling of vinyl bromides in good yield under mild conditions provided sufficient triarylphosphine and potassium carbonate are present to regenerate the active palladium(O) species. Wilkinson's catalyst is a poor catalyst for the same coupling reaction. Double bond isomerisation is not observed under these conditions. The palladium