Control over C–O and C–C bond formation: ruthenium catalyzed regiospecific addition of carboxylic acid to alkyne and stereoselective dimerization of alkyne
作者:Jyotsna Tripathy、Manish Bhattacharjee
DOI:10.1016/j.tetlet.2009.06.039
日期:2009.8
A cationic ruthenium(II) complex, [Ru(PPh3)2(CH3CN)3Cl][BPh4] (1), has been found to be an effective catalyst for stereoselective dimerization of alkynes in the presence of a base, and for regiospecificaddition of carboxylic acids to alkynes in presence of the Lewis acid, BF3·Et2O.