Asymmetric Pauson-Khand reactions using camphor-derived chelating thiols as chiral controllers

I Marchueta, E Montenegro, D Panov…

Index: Cookson,R.C.; Gopalan,R. Journal of the Chemical Society, Chemical Communications, 1978 , p. 924 - 925

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Citation Number: 46

Abstract

... The Journal of ... The synthesis of ethynyl sulfide 7a was initially accomplished using the methodology developed by Cookson. 19 Thus, the sodium thiolate of 1a was treated with 2-bromoacetaldehyde diethylacetal affording 1,1-diethoxy-2-(R*-thio)ethane 6a in 80% yield. ...