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Issue 3, 2002
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Facile synthesis of disubstituted and spiro five-membered benzosultams mediated by TMSCl–NaI–MeCN reagent

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Abstract

o-Lithiation of N-tert-butylbenzenesulfonamide followed by reaction with ketones gave carbinol sulfonamides, which underwent TMSCl–NaI–MeCN reagent mediated cyclization to afford 3,3-disubstituted and spiro-2,3-dihydrobenzo[d]isothiazole-1,1-diones in high yields.

Graphical abstract: Facile synthesis of disubstituted and spiro five-membered benzosultams mediated by TMSCl–NaI–MeCN reagent

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Article information


Submitted
29 Oct 2001
Accepted
21 Dec 2001
First published
10 Jan 2002

J. Chem. Soc., Perkin Trans. 1, 2002, 302-303
Article type
Communication

Facile synthesis of disubstituted and spiro five-membered benzosultams mediated by TMSCl–NaI–MeCN reagent

Z. Liu, N. Shibata and Y. Takeuchi, J. Chem. Soc., Perkin Trans. 1, 2002, 302
DOI: 10.1039/B109832B

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