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Communication | Regular issue | Vol 14, No. 6, 1980, pp.785-788
Published online, 1st January, 1970
DOI: 10.3987/R-1980-06-0785
Studies on Heterocyclic Chemiatry. Part 22. Acylation of 4-Aryl-3-mercapto-3-isothiazoline-5-thiones with Aryl Isocyanate

Tarozaemon Nishiwaki,* Etsuko Kawamura, Noritaka Abe, and Mitsuo Iori

*Department of Chemistry, Faculty of Science, Yamaguchi University, 1677-1 Yoshida, Yamaguchi 753-8512, Japan


The reaction of 4-aryl-3-mercapto-3-isothiazoline-5-thiones with aryl isocyanate result in exclusive formation of an N-acylated product, whose sulfur atom at C-5 undergoes a selective alkylation with diazomethane or alkyl iodide.