Russian chemical bulletin
Synthesis and reactivity of 2-polyfluoroalkylchromene-4 (4H)-thiones
BI Usachev, MA Shafeev, VY Sosnovskikh
Index: Usachev; Shafeev; Sosnovskikh Russian Chemical Bulletin, 2004 , vol. 53, # 10 p. 2285 - 2292
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Citation Number: 7
Abstract
Abstract 2-Polyfluoroalkylchromene-4 (4 H)-thiones, synthesized from 2- polyfluoroalkylchromones and P 2 S 5, react with aniline, phenylhydrazines, and hydroxylamine at the C (4) atom and afford corresponding anils, phenylhydrazones, and