Transition??Metal??Catalyzed Carbenoid Reactions of Sulfonium Ylides

P Müller, D Fernandez, P Nury…

Index: Mueller, Paul; Fernandez, Daniel; Nury, Patrice; Rossier, Jean-Claude Helvetica Chimica Acta, 1999 , vol. 82, # 6 p. 935 - 945

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Citation Number: 31

Abstract

Abstract Olefins undergo cyclopropanation with diphenylsulfonium (ethoxycarbonyl) methylide (= diphenylsulfonium 2-ethoxy-2-oxoethylide; 3a) in the presence of chiral Cu I or Rh II catalysts. trans/cis Ratios and ee's of the cyclopropanes 6 obtained with this ylide in ...