Novel Synthesis of 4,5-Bis(arylthio)-2,3,4,5-tetrahydro-1-benzothiepins: Noteworthy Cyclization by the Reaction of 2-Butynediol with Arenethiols in the Presence of Zinc Iodide

Article abstract of DOI:10.1055/s-1987-28090

New cyclization products, 4,5-bis(arylthio)-2,3,4,5-tetrahydro-1-benzothiepins, were obtained in good yield by the reaction of 2-butynediol with arenethiols in the presence of zinc iodide.The reaction is assumed to proceed through intramolecular cyclizati