Synthesis, Table of Contents Synthesis 2013; 45(21): 3018-3028DOI: 10.1055/s-0033-1339760 paper © Georg Thieme Verlag Stuttgart · New York Synthesis of Six-Membered Cyclic Sulfonimidamides Indira Sen a Syngenta Biosciences Pvt. Ltd., Santa Monica Works, Corlim, Ilhas, Goa 403110, India Fax: +91(832)2490525 Email: sitaram.pal@syngenta.com , Daniel P. Kloer b Syngenta, Jealott’s Hill International Research Centre, Bracknell, Berkshire RG42 6EY, UK Email: daniel.kloer@syngenta.com , Roger G. Hall c Syngenta Crop Protection Münchwilen AG, Schaffhauserstrasse, 4332 Stein / AG, Switzerland Email: roger_g.hall@syngenta.com , Sitaram Pal* a Syngenta Biosciences Pvt. Ltd., Santa Monica Works, Corlim, Ilhas, Goa 403110, India Fax: +91(832)2490525 Email: sitaram.pal@syngenta.com › Author Affiliations Recommend Article Abstract Buy Article All articles of this category Abstract A general synthetic route to six-membered cyclic N-aryl- and N-alkyl-substituted sulfonimidamides via an intramolecular ring closure of suitably functionalised acyclic sulfonimidamides is described. The structure of this new ring system was confirmed by various analytical methods and in one example by X-ray structural analysis. Key words Key wordssulfonimidamide - heterocycles - cyclisation - sulfur - intramolecular Full Text References References 1a Levchenko ES, Sheinkman IE, Kirsanov AV. Zh. Obshch. Khim. 1960; 30: 1941 ; Chem. Abstr. 1961, 55, 6426 1b Levchenko ES, Derkach NY, Kirsanov AV. Zh. Obshch. Khim. 1962; 32: 1208 ; Chem. Abstr. 1963, 58, 1388 2a Johnson CR, Wambsgans A. J. Org. Chem. 1979; 44: 2278 2b Johnson CR, Jonsson EU, Wambsgans A. J. Org. 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