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 32, No. 5, 1991, pp.859-862
Published online, 1st January, 1970
DOI: 10.3987/COM-91-5718
Synthesis of Dehydrodeoxypodophyllotoxin Cyclic Ether via Allene Intramolecular Cycloaddition Strategy and Evaluation of Its Cytotoxicity

Ken Kanematsu,* Michiko Tsuruoka, Yumiko Takaoka, and Takuma Sasaki

*Institute of Synthetic Organic Chemistry, Faculty of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan


The new route to dehydrodeoxypodophyllotoxin cyclic ether (10) has been realized via allene intramolecular Diels-Alder reaction of the propargyl ether (8).