Ligand effects on the stereochemistry of Stille couplings, as manifested in reactions of Z-alkenyl halides
作者:Guo-ping Lu、Karl R. Voigtritter、Chun Cai、Bruce H. Lipshutz
DOI:10.1039/c2cc33294a
日期:——
Unexpected losses in stereochemistry from Stille reactions involving Z-alkenyl halides have been shown to be ligand dependent. A new set of reaction conditions has been developed that, in most cases, leads to highly stereoselective cross-couplings under mild conditions, along with improved yields.
Palladium-catalysed reaction of vinylic halides with allylic alcohols: a highly chemo-, regio- and stereo-controlled synthesis of conjugated dienols
作者:Tuyet Jeffery
DOI:10.1039/c39910000324
日期:——
A new, direct, highly chemo-, regio- and stereo-controlled method for the construction of (E,E) and (E,Z) conjugated dienols from vinylic halides and allylic alcohols is described.