The preparation of 4,5-dihydro-2H-benz[e]indazoles from dilithiated 2-tetralone phenylhydrazone and aromatic esters

Authors
Angel, AJ Finefrock, AE Williams, AR Townsend, JD Nguyen, THV Hurst, DR Heldrich, FJ Beam, CF Badejo, IT
Citation
Aj. Angel et al., The preparation of 4,5-dihydro-2H-benz[e]indazoles from dilithiated 2-tetralone phenylhydrazone and aromatic esters, J HETERO CH, 36(5), 1999, pp. 1231-1233
Citations number
23
Categorie Soggetti
Organic Chemistry/Polymer Science
Journal title
JOURNAL OF HETEROCYCLIC CHEMISTRY
ISSN journal
0022152X → ACNP
Volume
36
Issue
5
Year of publication
1999
Pages
1231 - 1233
Database
ISI
SICI code
0022-152X(199909/10)36:5<1231:TPO4FD>2.0.ZU;2-3
Abstract
The phenylhydrazone of 2-tetralone was dilithiated with excess lithium diis opropylamide followed by condensation with several aromatic esters, and the resulting intermediates were acid cyclized to 4,5-dihydro-2H-benz[e]indazo les.