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Hypotensive 1,2-Benzisothiazole 1,1-Dioxides. III. 3-[2-(2-Methyl-2-butylidene)hydrazino]-1,2-benzisothiazole 1,1-Dioxide and Related Analogs

✍ Scribed by Willard, Paul W.; Whitehead, Calvert W.; Traverso, John J.

Book ID: 127258562
Publisher: American Chemical Society
Year: 1967
Tongue: English
Weight: 412 KB
Volume: 10
Category: Article
ISSN: 0022-2623
DOI: 10.1021/jm00317a020

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The preparation of 3-substituted 1,2-ben

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Several β-ketoesters were dilithiated with an excess of lithium diisopropylamide, followed by condensation with methyl 2-(aminosulfonyl)benzoate to give intermediates that were not isolated but cyclized to 3substituted 1,2-benzisothiazole-1,1-dioxides. In most instances involving the ester-sulfonami