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Synthesis 1993; 1993(9): 864-866
DOI: 10.1055/s-1993-25957
short paper
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A New Cyclisation Involving a Methanesulfinyl Leaving Group Yielding 6-Sulfenylated 2-Amino-4H-5,6-dihydro-1,3,4-thiadiazines

Lal Dhar S. Yadav* , Sangeeta Sharma
  • *Department of Chemistry, University of Allahabad, Allahabad - 211002, India
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Publication Date:
29 April 2002 (online)

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Nucleophilic addition of sulfenylated dimethyl sulfoxide derivatives to thiosemicarbazones 3 followed by a new intramolecular cyclisation involving an acid labile methanesulfinyl leaving group yields 6-sulfenylated 2-amino-5-aryl-4H,5,6-dihydro-1,3,4-thiadiazines 6.