RING CONTRACTION OF 2,4-DIPHENYL-1,5-BENZODIAZEPINES FOLLOWING ELECTRON IONIZATION

Authors
AHMAD R ZIAULHAQ M KAUSER N BUDZIKIEWICZ H BOLD P BAHR I
Citation
R. Ahmad et al., RING CONTRACTION OF 2,4-DIPHENYL-1,5-BENZODIAZEPINES FOLLOWING ELECTRON IONIZATION, Journal of the Chemical Society of Pakistan, 18(1), 1996, pp. 34-38
Citations number
14
Categorie Soggetti
Chemistry
Journal title
Journal of the Chemical Society of Pakistan → ACNP
ISSN journal
02535106
Volume
18
Issue
1
Year of publication
1996
Pages
34 - 38
Database
ISI
SICI code
0253-5106(1996)18:1<34:RCO2FE>2.0.ZU;2-3
Abstract
Electron ionization mass spectra or several 2,4-disubstituted 1,5-benz odiazepines are discussed. The major fragments are formed by ring cont ractions to five-membered benzimidazole and six membered quinoxaline s tructures after expulsion of neutral fragments.