A facile synthesis of [1]benzopyrano[4,3-c]pyrazole using Vilsmeier reagent

Authors
Selvi, S Perumal, PT
Citation
S. Selvi et Pt. Perumal, A facile synthesis of [1]benzopyrano[4,3-c]pyrazole using Vilsmeier reagent, I J CHEM B, 39(3), 2000, pp. 163-165
Citations number
23
Categorie Soggetti
Organic Chemistry/Polymer Science
Journal title
INDIAN JOURNAL OF CHEMISTRY SECTION B-ORGANIC CHEMISTRY INCLUDING MEDICINAL CHEMISTRY
ISSN journal
03764699 → ACNP
Volume
39
Issue
3
Year of publication
2000
Pages
163 - 165
Database
ISI
SICI code
0376-4699(200003)39:3<163:AFSO[U>2.0.ZU;2-B
Abstract
A new convenient synthesis of 4-ethoxy-4H-1-benzopyrano-[4,3-c] pyrazoles f rom o-hydroxyacetophenone 2,4-dinitrophenylhydrazones is described.