AN ABNORMAL BARTON-ZARD REACTION LEADING TO THE PYRROLO[2,3-B]INDOLE RING-SYSTEM

Citation
Et. Pelkey et al., AN ABNORMAL BARTON-ZARD REACTION LEADING TO THE PYRROLO[2,3-B]INDOLE RING-SYSTEM, Chemical communications, (16), 1996, pp. 1909-1910
Citations number
34
Categorie Soggetti
Chemistry
Journal title
ISSN journal
13597345
Issue
16
Year of publication
1996
Pages
1909 - 1910
Database
ISI
SICI code
1359-7345(1996):16<1909:AABRLT>2.0.ZU;2-F
Abstract
The reaction of 3-nitro-N-(phenylsulfonyl)indole 1 with ethyl isocyano acetate 2 under the Barton-Zard pyrrole synthesis conditions gives eth yl nyl)-1,8-dihydropyrrolo[2,3-b]indole-2-carboxylate 3 rather than th e anticipated ethyl nyl)-2,4-dihydropyrrolo[3,4-b]indole-3-carboxylate 4.