158918-32-2Relevant articles and documents
Effective uses of dirhodium(II) tetrakis[methyl 2-oxopyrrolidine-5(R or S)-carboxylate] for highly enantioselective intermolecular cyclopropenation reactions
Doyle, Michael P.,Protopopova, Marina,Müller, Paul,Ene, Doina,Shapiro, Evgeny A.
, p. 8492 - 8498 (2007/10/02)
The title compounds are effective catalysts for intermolecular cyclopropenation reactions of 1-alkynes with diazo esters and diazo amides. Diastereoselectivities achieved from the appropriate match with d- or l-menthyl diazoacetate are 77 to ≥ 94% de. Ena