The unexpected and facile molybdenum mediated formation of tri- and tetracyclic pentathiepins from pyrazine-alkynes and sulfur??

Chemical Communications Pub Date: 2012-11-09 DOI: 10.1039/C2CC37025E

Abstract

The synthesis of a novel family of pentathiepino-pyrrolo[1,2-a]pyrazine derivatives is reported. These compounds are formed by the reaction of alkynyl-substituted heterocyclic precursors with elemental sulfur in the presence of molybdenum oxo bis-tetrasulfide under very mild conditions.

Graphical abstract: The unexpected and facile molybdenum mediated formation of tri- and tetracyclic pentathiepins from pyrazine-alkynes and sulfur
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