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New compounds: Unusual chlorination of 2,3-dimethyl-1,2,4-benzothiadiazine 1,1-dioxide

โœ Scribed by Gianluigi Soldati

Publisher
John Wiley and Sons
Year
1974
Tongue
English
Weight
180 KB
Volume
63
Category
Article
ISSN
0022-3549

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## Abstract A new method for the preparation of 4โ€substituted 3,4โ€dihydroโ€1__H__โ€2,1,3โ€benzothiadiazine 2,2โ€dioxides is described. Treatment of __t__โ€butyl __N__โ€phenylsulfamoylcarbamate derivatives (**1**) with different aldehydes afforded the corresponding intramolecular cyclized products **2** u