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Mendeleev Communications, 1995, Volume 5, Issue 2, Pages 42–44
DOI: https://doi.org/10.1070/MC1995v005n02ABEH000449
(Mi mendc5023)
 

Conformation of the α-Methylene-γ-lactone Ring and Violation of Geissman's Rule in Sesquiterpene Lactones

K. M. Turdybekova, S. M. Adekenovb, V. A. Ralduginc, Z. M. Muldakhmetovb, Yu. T. Struchkova

a A.N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences, Moscow, Russian Federation
b Institute of Organic Synthesis and Coal Chemistry of the Republic of Kazakhstan, Karaganda, Kazakhstan
c N.N. Vorozhtsov Novosibirsk Institute of Organic Chemistry, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russian Federation
Abstract: The dependence of the C=C–C=O group chirality on the conformation of the α-methylene-γ-lactone ring in sesquiterpene lactones has been established; the known cases in which Geissman's rule is violated are explained by inversion of this ring.
Document Type: Article
Language: English


Citation: K. M. Turdybekov, S. M. Adekenov, V. A. Raldugin, Z. M. Muldakhmetov, Yu. T. Struchkov, “Conformation of the α-Methylene-γ-lactone Ring and Violation of Geissman's Rule in Sesquiterpene Lactones”, Mendeleev Commun., 5:2 (1995), 42–44
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