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Rhodium(II( prolinates are superb catalysts for asymmetric transformations of vinyldiazoacetates and phenyldiazoacetates. The most well-developed transformation is the 3 + 4 annulation between vinyldiazoacetates and dienes which is a very general method for the stereoselective synthesis of highly functionalized seven-membered rings. Recent studies have led to a general method for asymmetric intermolecular C–H activation which displays promising regio- and diastereocontrol in addition to the enantiocontrol.
Huw M. L. Davies (Fri,) studied this question.