REGIOSELECTIVE SYNTHESIS OF NOVEL ,3-DIPHENYL-4,5-DIHYDROPYRAZOL-5-YL)BENZIMIDAZOLES AND ,3-DIPHENYL-4,5-DIHYDROPYRAZOL-5-YL)BENZOTHIAZOLESVIA BENZONITRILIUM N-PHENYLIMIDE

Authors
FARAG AM ABBAS IM ABDALLAH MA KANDEEL ZE ALGHARIB MS
Citation
Am. Farag et al., REGIOSELECTIVE SYNTHESIS OF NOVEL ,3-DIPHENYL-4,5-DIHYDROPYRAZOL-5-YL)BENZIMIDAZOLES AND ,3-DIPHENYL-4,5-DIHYDROPYRAZOL-5-YL)BENZOTHIAZOLESVIA BENZONITRILIUM N-PHENYLIMIDE, Journal of chemical research. Synopses, (7), 1994, pp. 286-287
Citations number
22
Categorie Soggetti
Chemistry
Journal title
Journal of chemical research. Synopses → ACNP
ISSN journal
03082342
Issue
7
Year of publication
1994
Pages
286 - 287
Database
ISI
SICI code
0308-2342(1994):7<286:RSON,>2.0.ZU;2-P
Abstract
A convenient, regioselective synthesis of the 4,5-dihydropyrazol-5-yl derivatives 4 and 8 via benzonitrilium N-phenylimide, and their dehydr ocyanation to afford the corresponding pyrazol-5-yl derivatives 6 and 9, respectively, is reported.