Pai, B. R. ; Nagarajan, Kuppuswamy ; Suguna, Hosbett ; Natarajan, Senkaran (1978) Studies in protoberberine alkaloids. XVI. NMR spectral studies of 10,11- dioxygenated 13-methyltetrahydroprotoberberines Heterocycles, 9 (9). pp. 1287-1288. ISSN 0385-5414
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Abstract
The NMR 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.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Japan Institute of Heterocyclic Chemistry. |
| ID Code: | 93414 |
| Deposited On: | 16 Jun 2012 09:26 |
| Last Modified: | 16 Jun 2012 09:26 |
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