J. Sławiński
Jan 2, 2007
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Journal
ChemInform
Abstract
Two series of novel 4-chloro-5-methyl-2-(R-thio)-N-(2,3-dihydro-l,3,4-thiadiazol-2-ylidene)benzenesulfonamide derivatives 5-14 were synthesized by the reaction of potassium 6-chloro-1,1-dioxo-7-methyl-l,4,2-benzodithiazine-3-thiolate (1) or 6-chloro-3-mercapto-7-methyl-1,4,2-benzodithiazine 1,1-dioxide (2) with hydrazonyl bromides 3a-g. Suggested mechanisms of the investigated reaction were discussed. The molecular orbital calculation of the possible tautomeric forms of3-mercaptobenzodithiazine 2 were also presented.