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  • Title: Synthesis of pyrroles through coupling of enyne-hydrazones with Fischer carbene complexes.
    Author: Zhang Y, Herndon JW.
    Journal: Org Lett; 2003 Jun 12; 5(12):2043-5. PubMed ID: 12790524.
    Abstract:
    [reaction: see text] The coupling of enyne-imines with Fischer carbene complexes leads to the formation of alkenylpyrrole derivatives. Maximum yields of pyrrole adducts were obtained using N,N-dimethylhydrazones. A mechanism involving alkyne insertion followed by nucleophilic attack of the imine nitrogen at the intermediate alkenylcarbene complex was proposed.
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