The chemistry of 2,1-benzisothiazoles. Part V. Diels–Alder reactions of 2,1-benzisothiazoles
- 1 January 1972
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 1
- p. 935-936
- https://doi.org/10.1039/p19720000935
Abstract
Simple 2,1-benzisothiazoles, unlike 2,1-benzisoxazoles, do not react with maleic anhydride. 3-Amino-2,1-benzisothiazole reacts to form a maleamic acid; 3-methylamino- and 3-ethylamino-2,1-benzisothiazoles give substituted thioamides, possibly via a Diels–Alder addition product.Keywords
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