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 55, No. 8, 2001, pp.1439-1442
Published online, 1st January, 1970
DOI: 10.3987/COM-01-9252
A Facile Synthesis of Spiro-cyclopentenones from Various 1-Alkynes and Cyclic exo-Methylene Compounds by Intermolecular Pauson-Khand Reaction

Miyuki Ishizaki,* Yasuhiro Kasama, Mieko Zyo, Yuka Niimi, and Osamu Hoshino*

*Faculty of Pharmaceutical Sciences, Science University of Tokyo, 12, Ichigaya Funagawara-machi, Shinjuku-ku, Tokyo 162-0826, Japan


Intermolecular Pauson-Khand reaction of various 1-alkynes with exo-methylene-piperidine and -cyclohexane derivatives was examined to give the title compounds in moderate to good yields.