Dilactone Formation by Chromic Anhydride Oxidation of the Germacranolide Stizolicin |
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| Authors: | E M Suleimenov V A Raldugin M M Shakirov S M Adekenov |
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| Institution: | (1) Institute of Phytochemistry, Ministry of Education and Science, Republic of Kazakhstan;(2) N. N. Vorozhtsov Novosibirsk Institute of Organic Chemistry, Siberian Division, Russian Academy of Sciences, Russia |
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| Abstract: | The sidechain of the germacranolide stizolicin was oxidized by CrO3 in Py to form a lactone. The structure of the product was established as 4,5α-epoxy-7α,5,6,8β(H)-germacr-1(10),11(13)-dien-8α (3′-oxo-2′,5′-dihydrofuran-3′-carboxylyl)-12,6-olide using spectral data.__________Translated from Khimiya Prirodnykh Soedinenii, No. 2, pp. 117–118, March–April, 2005. |
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| Keywords: | stizolicin oxidation dilactone two-dimensional NMR |
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