Abstract
Organocuprate addition reactions on methyl-bis(trimethylsilyl)aminomethyl-propiolate lead to the formation of a Z-vinyl cuprate with a high stereoselectivity. Upon reaction of acid chloride, pyrroles are formed by a spontaneous intramolecular cyclisation of the intermediate Z-silylamino enone. Various functional substituted pyrroles can be obtained in one step by this route.
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