Online article for Non-subscribers

Pay per view

Heterocycles has a pay-per-view service for Non-subscribers.
You will be able to directly purchase the full text article through PayPal.
Your purchased Paper can be downloaded after the payment is completed.
An e-mail will be sent the URL to download the paper.
If you have any questions, please contact:

Price: ¥ 4,400 (Yen only)
Period: This Article can be accessed for 7 days.

Paper | Regular issue | Vol 38, No. 7, 1994, pp.1527-1532
Published online, 1st January, 1970
DOI: 10.3987/COM-94-9706
Compared Reactivity of 3-, 5-, 6-, and 8-Aminoimidazo[1,2-a]pyridines in Combes Reaction: Access to Imidazonaphthyridines and Dipyrido[1,2-a:3‘,2‘-d]imidazole

Yves Blache, Alain Gueiffier,* Olivier Chavignon, Henry Viols, Jean Claude Teulade, and Jean Pierre Chapat

*Laboratoire de Chimie Organique Pharmaceutique, URA-CNRS, Faculté de Pharamcie, Université Montpellier I, 15 Avenue Charles Flahault, 34060 Montpellier, France


The synthesis of imidazo[1,2-a][1,8]naphthyridines and dipyrido[1,2-a:3‘,2‘-d]imidazole by treatment of aminoimidazo[1,2-a]pyridines following the Combes procedure is described.