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Note | Regular issue | Vol 75, No. 7, 2008, pp.1749-1755
Published online, 26th February, 2008
DOI: 10.3987/COM-08-11335
Synthesis of Novel N-Substituted 6-Chlorothieno[2,3-e]-1,4,2-dithiazin-3-amine 1,1-Dioxides

Rajab Abu-El-Halawa,* Mahmoud H. Al-Refai, Mustafa M. El-Abadelah, and Hani D. Tabba

*Chemistry Department, Faculty of Science, Al al-Bayt University, Mafraq, Jordan

Abstract

A series of N-(substituted)-6-chlorothieno[2,3-e]-1,4,2-dithiazin-3- amine 1,1-dioxides (9a-g) were prepared via direct interaction of the appropriate isothiocyanate with 2,5-dichloro-3-thiophenesulphonamide 6 in THF in the presence of sodium hydride. The structures of these new bicyclic derivatives are based on microanalytical and spectral (IR, MS, and NMR) data.