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Absorption spectra of 3-keto-2,3-dihydro-thionaphthene and its derivatives

✍ Scribed by G. A. Yugai; M. A. Mostoslavskii; T. V. Denisova


Book ID
112395490
Publisher
Springer US
Year
1970
Tongue
English
Weight
223 KB
Volume
6
Category
Article
ISSN
0009-3122

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NMR spectra of abieslactone and its 3- k
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## Abstract The carbon resonances of two naturally occurring triterpene compounds of the 9Ξ²__H__‐lanostane series (abieslactone and the corresponding 3‐keto derivative) have been unambiguously assigned. 2D heteronuclear chemical shift‐correlation NMR studies suggest that at least two conformations