ChemInform Abstract: Compared Reactivity of Heterocyclic Enaminones: Photochemical and Palladium Catalyzed Synthesis of 6,7,8,9-Tetrahydro-5H-pyrido[3,2-b]indol-9-ones.

✍ Scribed by Y. BLACHE; M.-E. SINIBALDI-TROIN; A. VOLDOIRE; O. CHAVIGNON; J.-C. GRAMAIN; J.-C. TEULADE; J.-P. CHAPAT

• Publisher: John Wiley and Sons
• Year: 2010
• Weight: 34 KB
• Volume: 29
• Category: Article
• ISSN: 0931-7597
• DOI: 10.1002/chin.199829169

✦ Synopsis

Compared Reactivity of Heterocyclic Enaminones: Photochemical and Palladium Catalyzed Synthesis of 6,7,8,9-Tetrahydro-5Hpyrido [3,2-b]indol-9-ones. -Tetrahydropyrido[3,2-b]indolones can be prepared efficiently by irradiation of enaminones of type (I) and (IV) as well as their Pd-catalyzed cyclization. By controlling the irradiation conditions, the regioselectivity can be changed. Irradiation of (IV) in MeOH also yields considerable amounts of the methoxy derivative (VII). -(BLACHE, Y.;