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 68, No. 11, 2006, pp.2259-2267
Published online, 3rd October, 2006
DOI: 10.3987/COM-06-10841
Efficient Microwave Assisted Syntheses of Unsubstituted Cyclic Imides

Yousef M. Hijji* and Ellis Benjamin

*Department of Chemistry, Morgan State University, Baltimore, MD 21251.USA


A number of cyclic imides were synthesized from cyclic anhydrides using ammonium chloride (NH4Cl), and 4-N,N-dimethylaminopyridine (DMAP) or with ammonium acetate (NH4OAc) under microwave irradiation in both a mono-mode and a conventional microwave. Several substituted succinic anhydrides used as reactants were synthesized efficiently by Diels-Alder reactions of maleic anhydride with 1,3-cyclohexadienes in 63-82% for the mono-mode and 72-92% in the conventional microwave ovens. Cyclic imides were synthesized with yields from 50 - 98%.