T. Nguyen, P. Retailleau
Nov 14, 2022
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Journal
Chemical communications
Abstract
Thieno[3,4-b]thiophene cores could be conveniently obtained via one-pot sulfurative tetramerization of acetophenones using a ternary system comprised of elemental sulfur, a base and DMSO under simple heating conditions. The structure of the products was verified by X-ray crystallography.