Dibenzo[b,h][1,4,7]thiadiazonines: examples of a novel ring system |
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| Authors: | Katritzky A R Huang T B Steel P J |
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| Institution: | Department of Chemistry, University of Florida, Gainesville, 32611-7200, USA. kratrizky@chem.ufl.edu |
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| Abstract: | Acetanilides 1a-e react with 1,1'-sulfinylbis(benzotriazole)/trimethylchlorosilane at 45-65 degrees C to form 1,2-di(benzotriazol-1-yl)-2-arylimino-1-ethanethiones 3a-e, while heating the same reagents at 110 degrees C results in dibenzob,h]1,4,7]thiadiazonines 5a,c,d, and 6. X-ray crystal structures are reported for three representative examples. |
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