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Sulfur-Promoted DABCO-Catalyzed Oxidative Trimerization of Phenylacetonitriles

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posted on 2019-04-12, 00:00 authored by Thanh Binh Nguyen, Pascal Retailleau
By simply heating phenylacetonitriles 1 with elemental sulfur and DMSO in the presence of a catalytic amount of DABCO, we have performed an oxidative trimerization leading to polysubstituted pyrrole heterocycles 2 in excellent yields and the E configuration.

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