Nasipuri, Dhanonjoy ; Bhattacharya, Pranab K. ; Roy, Dibyendu N. (1977) Polycyclic systems. Part 17. Proton nuclear magnetic resonance spectra of some 11H-lndeno[2,1-a]phenanthrene derivatives; structure of the C26 hydrocarbon (second diels hydrocarbon) from cholesterol Journal of the Chemical Society, Perkin Transactions 1 (16). pp. 1814-1818. ISSN 0300-922X
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Official URL: http://www.rsc.org/publishing/journals/P1/article....
Related URL: http://dx.doi.org/10.1039/P19770001814
Abstract
The n.m.r. spectra of a number of 11H-indeno[2,1-a]phenanthrenes, including the C26 hydrocarbon (second Diels hydrocarbon) from cholesterol, and their 11-oxo-derivatives have been studied. These data together with some previous observations identify the hydrocarbon as 8-isobutyl-10-methyl-11H-indeno[2,1-a]phenanthrene (21), its formation being rationalised in terms of 1,2-shift of the side chain in ring D, followed by a similar shift of the 13-methyl group and its final inclusion in ring E of the indenophenanthrene (21).
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Royal Society of Chemistry. |
| ID Code: | 27133 |
| Deposited On: | 10 Dec 2010 12:59 |
| Last Modified: | 10 Dec 2010 12:59 |
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