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 12, No. 12, 1979, pp.1559-1562
Published online, 1st January, 1970
DOI: 10.3987/R-1979-12-1559
Calafatine, An Unusual Bisbenzylisoquinoline Alkaloid

Víctor Fajardo,* Alejandaro Urzúa, and Bruce K. Cassele

*Departmento de Química, Facultad de Ciencia, Universidad Técnica del Estado, Santiago 2, Chile


Spectrometric and chemical evidence is presented that calafatine, an alkaloid from Berberis buxifolia, has structure 1. The substitution pattern on ring E is unique in isoquinoline alkaloids.