BIS(IMINOPHOSPHORANE)-MEDIATED 1,2,4-TRIAZOLO-ANNULATION ON IMIDAZOLEAND BENZIMIDAZOLE RINGS - PREPARATION OF IMIDAZO[1,2-B]-1,2,4-TRIAZOLES AND 1,2,4-TRIAZOLO[1,5-A]BENZIMIDAZOLES

Authors
MOLINA P ALLER E LORENZO A
Citation
P. Molina et al., BIS(IMINOPHOSPHORANE)-MEDIATED 1,2,4-TRIAZOLO-ANNULATION ON IMIDAZOLEAND BENZIMIDAZOLE RINGS - PREPARATION OF IMIDAZO[1,2-B]-1,2,4-TRIAZOLES AND 1,2,4-TRIAZOLO[1,5-A]BENZIMIDAZOLES, Heterocycles, 37(2), 1994, pp. 997-1018
Citations number
18
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
Heterocycles → ACNP
ISSN journal
03855414
Volume
37
Issue
2
Year of publication
1994
Pages
997 - 1018
Database
ISI
SICI code
0385-5414(1994)37:2<997:B1OI>2.0.ZU;2-R
Abstract
Aza Wittig-type reactions of bis(iminophosphoranes) derived from 1,2-d iaminoimidazole and 1,2-diaminobenzimidazole with isocyanates and aroy l chlorides afforded imidazo[1,2-b]-1,2,4-triazoles or 1,2,4-triazolo[ 1,5-a]benzimidazoles, respectively.