Skeletal change in the PNP pincer ligand leads to a highly regioselective alkyne dimerization catalyst

…, R Çelenligil-Çetin, BM Foxman, OV Ozerov

Index: Weng, Wei; Guo, Chengyun; Celenligil-Cetin, Remle; Foxman, Bruce M.; Ozerov, Oleg V. Chemical Communications, 2006 , # 2 p. 197 - 199

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Citation Number: 73

Abstract

A Rh complex of a bulky diarylamino-based PNP pincer ligand is a robust catalyst for the dimerization of terminal alkynes and highly selective for the trans-enyne product. ... Alkyne dimerization is an attractive, atom-economical method of synthesizing conjugated enynes. 1 Conjugated enynes are attractive as building blocks in organic synthesis and components of biologically active molecules. 2 The challenge is tuning the selectivity to the desired enyne isomer (A, B or ...