An efficient approach to the [1,2,4]-triazolo[3,2-d][1,5]benzoxazepine skeleton - A novel tricyclic ring system

Citation
Xj. Liu et al., An efficient approach to the [1,2,4]-triazolo[3,2-d][1,5]benzoxazepine skeleton - A novel tricyclic ring system, SYN COMMUN, 30(1), 2000, pp. 119-130
Citations number
18
Language
INGLESE
art.tipo
Article
Categorie Soggetti
Organic Chemistry/Polymer Science
Journal title
SYNTHETIC COMMUNICATIONS
ISSN journal
0039-7911 → ACNP
Volume
30
Issue
1
Year of publication
2000
Pages
119 - 130
Database
ISI
SICI code
0039-7911(2000)30:1<119:AEATT[>2.0.ZU;2-K
Abstract
Unprecedented [1,2,4]-Triazolo[3,2-d][1,5]benzoxazepine skeleton was easily achieved by cycloaddition of the allene-like cations 3, derived from 4-chr omanone arylhydrazones, to the triple bond of nitriles and ensuing ring enl argement. The structural assignment of one product (5d) has been ultimately accomplished by X-ray diffraction analysis.