SmCp<sup>R</sup><sub>2</sub>-mediated cross-coupling of allyl and propargyl ethers with ketoesters and a telescoped approach to complex cycloheptanols
作者:Mateusz P. Plesniak、Xavier Just-Baringo、Fabrizio Ortu、David P. Mills、David J. Procter
DOI:10.1039/c6cc07318b
日期:——
A highly regio- and diastereoselective cross-coupling of allyl/propargylethers and [small beta]-ketoesters, mediated by SmCpR2 reagents, delivers decorated [small delta]-lactones. Screening of the Cp ligands on Sm(II) was employed to achieve high...
Mercury-desilylation of cyclopropylmethylsilanes affords a stereospecific access to homoallylic mercury intermediates, which can be elaborated further. This strategy is illustrated with a short access to carba-furanoses and carba-C-disaccharides.