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: ¥ 4,320 (Yen only)
Period: This Article can be accessed for 7 days.

Communication | Regular issue | Vol 6, No. 2, 1977, pp.99-105
Published online, 1st January, 1970
DOI: 10.3987/R-1977-02-0099
A Biomimetic Approach to Benzophenanthridine Alkaloid from Protoberberine Alkaloid

Tetsuji Kametani,* Makoto Takemura, Masataka Ihara, Keiichiro Fukumoto, and Keiichi Takahashi

*Pharmaceutical Institute, Tohoku University, Aobayama, Sendai 980-8578, Japan

Abstract

10-Hydroxy-2,3,11-trimethoxyberbine (5) is transformed along by a biogenetic pattern into 7,8-dihydro-10-hydroxy-2,3,11-trimethoxybenzophenanthridine (11) via the methine base (6).