Triterpenoids fromAbies species |
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| Authors: | V V Grishko M M Shakirov V A Raldugin |
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| Institution: | (1) Novosibirsk Institute of Organic Chemistry, Siberian Branch of the Russian Academy of Sciences, 9 prosp. Akad. Lavrent'eva, 630090 Novosibirsk, Russian Federation |
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| Abstract: | Norrish (type II) photochemical fragmentation of 25,26,27-trinor-17,14-frido-9β-lanostane 23-ketone was performed to give the 17α-vinyl derivative, a promising intermediate for the synthesis of 4,4-dimethyl-9β-steroid
derivatives.
For Part 23, see Ref. 1.
Translated fromIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 7, pp. 1401–1402. |
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| Keywords: | triterpenoids methyl ketones Norrish photochemical fragmentation of ketones two-dimensional NMR spectroscopy |
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