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.

Communication | Regular issue | Vol 12, No. 7, 1979, pp.903-907
Published online, 1st January, 1970
DOI: 10.3987/R-1979-07-0903
Synthesis of 1,6-Diazaphenalene, a Vinylogous Imidazole

Jen-C. Chang, Mustafa I. El-Sheikh, and James M. Cook*

*Department of Chemistry, University of Wisconsin-Milwaukee, Milwaukee, Wisconsin 53201, U.S.A.


The simple synthesis of a new heterocycle,1,6-diazaphenalene (2), a vinylogous imidazole is described; the key step in the synthesis was conversion of 7 to 8 by cleavage of the N-O bond followed by hydrogen shifts under modified Semmler Wolff conditions [CF3COOH, (CF3CO)2O, HCl].