The unexpected and facile molybdenum mediated formation of tri- and tetracyclic pentathiepins from pyrazine-alkynes and sulfur†‡
Muhammad Zubair,Ashta Chandra Ghosh,Carola Schulzke
Chemical Communications Pub Date : 11/09/2012 00:00:00 , 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.
