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.

Report | Regular issue | Vol 19, No. 2, 1982, pp.297-300
Published online, 1st January, 1970
DOI: 10.3987/R-1982-02-0297
The N,N’-Diacyl-4,5-dihydroimidazolium Ion as an Electrophile

Jan Bergman, Harris Goonewardena, and Birger Sjöberg

*Department of Organic Chemistry, Royal Institute of Technology, SE-100 44 Stockholm, Sweden


2-Methyl-4,5-dihydroimidazole/acetic anhydride reacts smoothly with indole at room temperature giving N,N’-diacetyl-2-methyl-2-(3-indolyl)-imidazolidine. This adduct can be hydrolysed to 3-acetylindole. Other aromatics, like 1,3-dimethoxybenzene, undergo similar reactions.