1,2,5-Thiadiazoles react with benzyne to give 1,2-benzisothiazole derivatives. 3,4-Diphenyl-1,2,5-selenadiazole with benzyne likewise affords 3-phenyl-1,2-benzisoselenazole, contrary to a previous report. Some reactions of 3-(8-cyano-1-naphthyl)-1,2-benzisothiazole are described. The reaction of benzyne with 3-amino-2,1-benzisothiazole afforded N-phenylated products, including N-phenylanthranilonitrile.
M. R. Bryce, T. A. Dransfield, K. A. Kandeel and J. M. Vernon, J. Chem. Soc., Perkin Trans. 1, 1988, 2141 DOI: 10.1039/P19880002141
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