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Ultima descărcare din IBN: 2023-05-13 07:55 |
SM ISO690:2012 VLAD, Pavel, CIOCÂRLAN, Alexandru, MIRONOV, Grigore, COLŢA, Mihai, GHEREG, Ghenadie, KRAVŢOV, Victor, LIPKOWSKI, Janusz. Synthesis of 7α- and 17-bromonorambreinolides from norambreinolide. In: Chemistry Journal of Moldova, 2007, nr. 1(2), pp. 114-118. ISSN 1857-1727. |
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Chemistry Journal of Moldova | |||||
Numărul 1(2) / 2007 / ISSN 1857-1727 /ISSNe 2345-1688 | |||||
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Pag. 114-118 | |||||
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A mixture of 7α- and 17-bromonorambreinolides was obtained on treatment of the mixture of isomeric methyl bicyclohomofarnesenoates, the norambreinolide transesterifi cation product, with NBS and H2 O2. The structure of 7α- and 17-bromonorambreinolides was elucidated on the basis of spectral data. The structure of 17-bromonorambreinolide was confi rmed by its reduction with LiAlH4 into sclaradiol, and that of 7α-bromonorambreinolide by X-ray analysis.
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Cuvinte-cheie 7α- and 17-bromonorambreinolides, X-rays analysis, synthesis |
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