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.

Report | Regular issue | Vol 9, No. 9, 1978, pp.1287-1294
Published online, 1st January, 1970
DOI: 10.3987/R-1978-09-1287
Studies in Protoberberibe Alkaloids. XVI. NMR Spectral Studies of 10,11-Dioxygenated 13-Methyltetrahydroprotoberberines

Bantwal R. Pai,* Kuppuswamy Nagarajan, Hosbett Suguna, and Sankaran Natarajan

*Department of Chemistry, Presidency College, Madras 600005, India


The NNR chemical shift differences of protons at C13a and C8 and the methyl protons at C13 of cis- and trans-fused 10,11-dioxygenated 13-methyltetrahydroprotoberberines are discussed.