Synlett 2003(15): 2369-2373  
DOI: 10.1055/s-2003-42120
LETTER
© Georg Thieme Verlag Stuttgart · New York

aza-Annulation of Tetrahydroisoquinoline Derived Enamines: Efficient and Convergent Routes to Novel Functionalized Benzo[a]quinolizin-4-ones and Pyrimido[6,1-a]isoquinoline Derivatives

Sriparna Chakrabartia, Manish C. Srivastavaa, Hiriyakkanavar Ila*a, Hiriyakkanavar Junjappa*b
a Department of Chemistry, Indian Institute of Technology-Kanpur, Kanpur-208016, India
Fax: +91(512)2597436; e-Mail: hila@iitk.ac.in;
b BioOrganics & Applied Materials Pvt. Ltd., # B-64/1 Peenya Industrial Area, Peenya, Bangalore-560058, India
Weitere Informationen

Publikationsverlauf

Received 29 August 2003
Publikationsdatum:
07. November 2003 (online)

Zoom Image

Abstract

The 1,2,3,4-tetrahydroisoquinoline derived push-pull enaminones and nitroenamine have been investigated in aza-annulation reactions with various 1,3-biselectrophiles leading to the synthesis of novel functionalized benzo[a]quinolizin-4-ones and pyrimido[6,1-a]isoquinoline derivatives.