SYNTHESIS OF SOME 11H-INDENO[1,2-B]QUINOXALIN-11-ONES

Authors
DEADY LW DESNEVES J ROSS AC
Citation
Lw. Deady et al., SYNTHESIS OF SOME 11H-INDENO[1,2-B]QUINOXALIN-11-ONES, Tetrahedron, 49(43), 1993, pp. 9823-9828
Citations number
14
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
Tetrahedron → ACNP
ISSN journal
00404020
Volume
49
Issue
43
Year of publication
1993
Pages
9823 - 9828
Database
ISI
SICI code
0040-4020(1993)49:43<9823:SOS1>2.0.ZU;2-8
Abstract
Condensation of substituted o-phenylene diamines and ninhydrins gave t he tide compounds. The substituent orientation in the products was det ermined by H-1 NMR analysis of the chemical shifts brought about by N5 -oxidation. Reduction of the 8-nitro to 8-amino compound was achieved both with and without reduction of the carbonyl group. Nitration of th e 8-carboxylic acid occurred in the 2-position.