Direct iodination of 3-and 4-nitropyrazoles with a reagent based on iodinemonochloride and silver sulfate

Authors
Chaikovskii, VK Kharlova, TS Tretyakov, EV Vasilevsky, SF Filimonov, VD
Citation
Vk. Chaikovskii et al., Direct iodination of 3-and 4-nitropyrazoles with a reagent based on iodinemonochloride and silver sulfate, RUSS CHEM B, 49(8), 2000, pp. 1475-1477
Citations number
10
Categorie Soggetti
Chemistry
Journal title
RUSSIAN CHEMICAL BULLETIN
ISSN journal
10665285 → ACNP
Volume
49
Issue
8
Year of publication
2000
Pages
1475 - 1477
Database
ISI
SICI code
1066-5285(200008)49:8<1475:DIO34W>2.0.ZU;2-X
Abstract
The reagent obtained from iodine monochloride and silver sulfate in sulfuri c acid easily iodinates 1-methyl-3-nitropyrazole under mild conditions to g ive 4-iodo or 4,5-diiodo derivatives. 1-Methyl-4-nitropyrazole was also dir ectly iodinated with this reagent for the first time.