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 20, No. 11, 1983, pp.2233-2235
Published online, 1st January, 1970
DOI: 10.3987/R-1983-11-2233
Reactions of Isocyanates with Ethyl 2-Amino-1-cyclopentene-1-carboxylate

Else Marie Jensen and Eleftherios Paul Papadopoulos

*Department of Chemistry, University of New Mexico, Albuquerque, NM 87131, U.S.A.


Aromatic isocyanates react with ethyl 2-amino-1-cyclopentene-1-carboxylate to yield the corresponding ureas, which cyclize by base to 3-substituted 6,7-dihydro-1H-cyclopentapyrimidine-2,4(3H,5H)-diones.