Relative Asymmetric Induction in the Intramolecular Reaction between Alkynes and Cyclopropylcarbene-Chromium Complexes: Stereocontrolled Synthesis of Five- …

J Yan, J Zhu, JJ Matasi…

Index: Journal of Organic Chemistry, , vol. 64, # 4 p. 1291 - 1301

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Citation Number: 11

Abstract

... The Journal of Organic Chemistry. ... occurred when tris(o-tolyl)phosphine was present during the reaction; the stereoselectivity increased from 1:1 to 2:1. In the cases involving homopropargylic stereocenters and three-carbon tethers (entries F−J), silylated alkynes afforded ...