Synthesis and structure of [Ru(PPh3)2(bipy)(MeCN)Cl][BPh4] and it's catalytic property towards regioselective and stereoselective allylation of phenols
The compound, [Ru(PPh3)2(bipy)(MeCN)Cl][BPh4] (1) has been synthesized from the precursor complex, [Ru(bipy)(PPh3)2Cl2]. The complex has been structurally characterized. This complex has been found to be an efficient catalyst for the regioselective allylation of phenols.
Gold-catalyzed rearrangement of substituted allyl aryl ethers
作者:James R. Vyvyan、Heidi E. Dimmitt、Jennifer K. Griffith、Laura D. Steffens、Rebecca A. Swanson
DOI:10.1016/j.tetlet.2010.10.078
日期:2010.12
Triphenylphosphinegold(I) complexes catalyze the Claisen-type rearrangement of arylallylethers to the corresponding branched and linear products. The product distribution depends on the olefin geometry of the allylic ether. Stereochemical transfer experiments support an ionic mechanism.