The aromatization of Hantzsch 1,4-dihydropyridines by tetrakis-pyridine cobalt (II) dichromate (TPCD)

Citation
Bx. Wang et al., The aromatization of Hantzsch 1,4-dihydropyridines by tetrakis-pyridine cobalt (II) dichromate (TPCD), SYN COMMUN, 29(23), 1999, pp. 4193-4199
Citations number
19
Categorie Soggetti
Organic Chemistry/Polymer Science
Journal title
SYNTHETIC COMMUNICATIONS
ISSN journal
00397911 → ACNP
Volume
29
Issue
23
Year of publication
1999
Pages
4193 - 4199
Database
ISI
SICI code
0039-7911(1999)29:23<4193:TAOH1B>2.0.ZU;2-V
Abstract
Aromatization of Hantzsch 1,4-dihydropyridines (1a-n) were promoted by tetr akis-pyridine cobalt (II) dichromate to yield corresponding pyridine deriva tives (2a-n) in moderate to high yields (70-87%). The reaction was carried out under mild and convenient conditions.