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 23, No. 8, 1985, pp.1889-1892
Published online, 1st January, 1970
DOI: 10.3987/R-1985-08-1889
Synthetic Studies on Carbapenem Antibiotics from Penicillins. V. A Stereospecific Preparation of 4-Allylazetidinones

Matsuhiko Aratani, Hideo Hirai, Kozo Sawada, and Masashi Hashimoto*

*Fujisawa Pharmaceutical Co. Ltd., 2-1-6 Kashima, Yodogawa-ku, Osaka 532, Japan


A stereospecific preparation of chiral 4-allylazetidinones 3, key intermediates for the synthesis of the carbapenem antibiotics, has been achieved in good yields by reaction of 4-acetoxyazetidinones 2 with allylsilanes in the apresence of TMSOTf.