Synthesis,structure, and acylation of dihydroquinopimaric acid hydroxy derivatives |
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| Authors: | I. E. Smirnova E. V. Tret’yakova O. B. Flekhter L. V. Spirikhin F. Z. Galin G. A. Tolstikov Z. A. Starikova A. A. Korlyukov |
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| Affiliation: | (1) Institute of Organic Chenistry, Ufa Scientific Center, Russian Academy of Sciences, Ufa, 450054, Russia;(2) Nesmeyanov Institute of Organoelemental Compounds, Russian Academy of Sciences, Moscow, Russia |
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| Abstract: | Reduction conditions of methyl dihydroquinopimarate with sodium borohydride and lithium aluminum hydride were established. As a result of the reduction 14β-hydroxy, 17α-hydroxy, 14β,17α-dihydroxy, and 14β,17α,21α-trihydroxy derivatives were obtained. The structure of methyl esters of 14β-acetoxy- and 17α-hydroxydihydroquinopimaric acid was established by XRD and NMR methods. Mono-, di-, and triacylates were obtained from the diterpene alcohols. |
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