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Synthesis of some 7-substituted 3-chloro-3,4-dihydro-1-hydroxycarbostyrils by the reduction cyclization of α-chloro-β-(4-substituted-2-nitrophenyl)propionic acids

✍ Scribed by Tommy J. Mccord; Michael R. Warner; Paul L. Shafer; Rose M. Davis Disher; Alvie L. Davis


Book ID
112127751
Publisher
Journal of Heterocyclic Chemistry
Year
1985
Tongue
English
Weight
246 KB
Volume
22
Category
Article
ISSN
0022-152X

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Conversion of 4-substituted benzo-2,1,3-
✍ I. A. Belen'kaya; G. P. Krokhina; S. A. Sirik; S. A. Andronati 📂 Article 📅 1988 🏛 Springer US 🌐 English ⚖ 356 KB

Under the influence of hydrogen peroxide and hydrochloric acid in acetonitrile 4-substituted benzo-2,1,3-thiadiazoles form 5-chloro-4,7-dioxobenzo-2,1,3thiadiazole. 4-Alkoxy-and 4-[(alkoxycarbonyl)methoxy]benzo-2,1,3-thiadiazoles give, in addition, the corresponding 5,7-dichloro derivatives. 5-Chlo