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: purchase@heterocycles.com

Price: ¥ 4,400 (Yen only)
Period: This Article can be accessed for 7 days.

Communication | Special issue | Vol 86, No. 1, 2012, pp.127-132
Published online, 21st June, 2012
DOI: 10.3987/COM-12-S(N)21
■ A CONCISE SYNTHESIS OF THE AB-RING FRAGMENT OF (−)-GAMBIEROL

Haruhiko Fuwa,* Kazuaki Hirota, and Makoto Sasaki*

*Graduate School of Life Sciences, Tohoku University, 2-1-1, Katahira, Aoba-ku, Sendai, 980-8577, Japan

Abstract

We describe herein a concise synthesis of the AB-ring fragment of gambierol, wherein silver(I) trifluoromethanesulfonate-catalyzed 6-endo cyclization of a hydroxy ynone was exploited for the formation of the A-ring.