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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">vestich</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной академии наук Беларуси. Серия химических наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus, Chemical Series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8331</issn><issn pub-type="epub">2524-2342</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1561-8331-2019-55-2-175-181</article-id><article-id custom-type="elpub" pub-id-type="custom">vestich-388</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>БИООРГАНИЧЕСКАЯ ХИМИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BIOORGANIC CHEMISTRY</subject></subj-group></article-categories><title-group><article-title>Прямая трансформация i-стероидных метиловых эфиров в 6-кетоны: использование в синтезе брассиностероидов</article-title><trans-title-group xml:lang="en"><trans-title>Direct transformation of i-steroid methyl ethers in 6-ketones: the use in the synthesis of brassinosteroids</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гурский</surname><given-names>А. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Gurskii</surname><given-names>A. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гурский Алексей Леонидович – канд. хим. наук, вед. науч. сотрудник</p><p>ул. В. Ф. Купревича, 5/2, 220141, Минск</p></bio><bio xml:lang="en"><p>Alaksei L. Gurskii – Ph. D. (Chemistry), Leading researcher</p><p>5/2, Kuprevich Str., 220141, Minsk</p></bio><email xlink:type="simple">ahurski@iboch.by</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Жабинский</surname><given-names>В. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhabinskii</surname><given-names>V. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Жабинский Владимир Николаевич – член-корреспондент, д-р хим. наук, доцент, гл. науч. сотрудник</p><p>ул. В. Ф. Купревича, 5/2, 220141, Минск</p></bio><bio xml:lang="en"><p>Vladimir N. Zhabinskii – Corresponding Member, D. Sc. (Chemistry), Associate Professor, Chief researcher</p><p>5/2, Kuprevich Str., 220141, Minsk</p></bio><email xlink:type="simple">vz@iboch.by</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хрипач</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Khripach</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хрипач Владимир Александрович – академик, д-р хим. наук, профессор, зав. лабораторией</p><p>ул. В. Ф. Купревича, 5/2, 220141, Минск</p></bio><bio xml:lang="en"><p>Vladimir A. Khripach – Academician, D. Sc. (Chemistry), Professor, Head of the Laboratory</p><p>5/2, Kuprevich Str., 220141, Minsk</p></bio><email xlink:type="simple">khripach@iboch.by</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт биоорганической химии Национальной академии наук Беларуси</institution></aff><aff xml:lang="en"><institution>Institute of Bioorganic Chemistry of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>29</day><month>06</month><year>2019</year></pub-date><volume>55</volume><issue>2</issue><fpage>175</fpage><lpage>181</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Гурский А.Л., Жабинский В.Н., Хрипач В.А., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Гурский А.Л., Жабинский В.Н., Хрипач В.А.</copyright-holder><copyright-holder xml:lang="en">Gurskii A.L., Zhabinskii V.N., Khripach V.A.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://vestichem.belnauka.by/jour/article/view/388">https://vestichem.belnauka.by/jour/article/view/388</self-uri><abstract><p>Разработан одностадийный метод трансформации 3α,5-цикло-6β-метиловых эфиров стероидов в соответствующие 3α,5-цикло-6-кетоны – ключевые интермедиаты в синтезе брассиностероидов под действием метил(трифторметил)диоксирана. Возможности метода продемонстрированы на примере получения биосинтетического предшественника брассинолида – 3-дегидротеастерона.</p></abstract><trans-abstract xml:lang="en"><p>A one-step method for the transformation of 3α,5-cyclo-6β-methyl ethers of steroids into the corresponding 3α,5-cyclo-6-ketones under the action of methyl (triﬂuoromethyl) dioxirane has been developed. The possibilities of the method have been demonstrated by preparing 3-dehydrotesterone, the biosynthetic precursor of brassinolide.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>брассиностероиды</kwd><kwd>брассинолид</kwd><kwd>i-стероидная перегруппировка</kwd><kwd>окисление</kwd><kwd>диоксираны</kwd></kwd-group><kwd-group xml:lang="en"><kwd>brassinosteroids</kwd><kwd>brassinolide</kwd><kwd>i-steroid rearrangement</kwd><kwd>oxidation</kwd><kwd>dioxiranes</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке Белорусского республиканского фонда фундаментальных исследований (проект Х18УКА-010).</funding-statement><funding-statement xml:lang="en">The work has ben performed with the financial support of the Belarusian Republican Foundation for Fundamental Research (project no. Х18УКА-010).</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Khripach, V. A. Brassinosteroids. A New Class of Plant Hormones / V. A. Khripach, V. N. Zhabinskii, A. de Groot. – San Diego, 1999. – 456 c. https://doi.org/10.1016/B978–0–12–406360–0.X5000-X</mixed-citation><mixed-citation xml:lang="en">Khripach V. A., Zhabinskii V. N., de Groot A. Brassinosteroids. A New Class of Plant Hormones. San Diego, Academic Press, 1999. 456 p. https://doi.org/10.1016/B978-0-12-406360-0.X5000-X</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Synthesis of [26–2H3]brassinosteroids / V. A. Khripach [et al.] // Steroids. – 2002. – Vol. 67, No 7. – P. 587–595. https://doi.org/10.1016/S0039-128X(02)00004-1</mixed-citation><mixed-citation xml:lang="en">Khripach V. A., Zhabinskii V. N., Konstantinova O. V., Antonchick A. P., Schneider B. Synthesis of [26–2H3] brassinosteroids. Steroids, 2002, vol. 67, no 7, pp. 587–595. https://doi.org/10.1016/S0039-128X(02)00004-1</mixed-citation></citation-alternatives></ref><ref id="cit3"><label>3</label><citation-alternatives><mixed-citation xml:lang="ru">Litvinovskaya, R. P. Synthesis of 28-homobrassinosteroids modifed in the 26-position / R. P. Litvinovskaya, M. E. Raiman, V. A. Khripach // Chem. Nat. Compd. – 2009. – Vol. 45, No 5. – P. 647–652. https://doi.org/10.1007/s10600-009-9439-2</mixed-citation><mixed-citation xml:lang="en">Litvinovskaya R. P., Raiman M. E., Khripach V. A. Synthesis of 28-homobrassinosteroids modifed in the 26-position. Chemistry of Natural Compounds, 2009, vol. 45, no 5, pp. 647–652. https://doi.org/10.1007/s10600-009-9439-2</mixed-citation></citation-alternatives></ref><ref id="cit4"><label>4</label><citation-alternatives><mixed-citation xml:lang="ru">Synthesis of deuterium-labeled (24R)-methyl brassinosteroids / V. A. Khripach [et al.] // J. Labelled Compd. Radiopharm. – 2011. – Vol. 54. – P. 332–336. https://doi.org/10.1002/jlcr.1874</mixed-citation><mixed-citation xml:lang="en">Khripach V. A., Zhabinskii V. N., Gulyakevich O. V., Ermolovich Y. V., Konstantinova O. V. Synthesis of deuteriumlabeled (24R)-methyl brassinosteroids. Journal of Labelled Compounds &amp; Radiopharmaceuticals, 2011, vol. 54, pp. 332–336. https://doi.org/10.1002/jlcr.1874</mixed-citation></citation-alternatives></ref><ref id="cit5"><label>5</label><citation-alternatives><mixed-citation xml:lang="ru">Khripach, V. A. Synthesis of (22R,23R,24S)-24-methyl-5α-cholestane-3β,6α,22,23-tetraol, a biosynthetic precursor of brassinolide / V. A. Khripach, V. N. Zhabinskii, N. D. Pavlovskii // Russ. J. Org. Chem. – 2001. – Vol. 37, No 11. – P. 1570–1574. https://doi.org/10.1023/A:1013804119279</mixed-citation><mixed-citation xml:lang="en">Khripach V. A., Zhabinskii V. N., Pavlovskii N. D. Synthesis of (22R,23R,24S)-24-methyl-5α-cholestane-3β,6α,22,23-tetraol, a biosynthetic precursor of brassinolide. Russian Journal of Organic Chemistry, 2001, vol. 37, no 11, pp. 1570–1574. https://doi.org/10.1023/A:1013804119279</mixed-citation></citation-alternatives></ref><ref id="cit6"><label>6</label><citation-alternatives><mixed-citation xml:lang="ru">Hurski, A. A short convergent synthesis of the side chains of brassinolide, cathasterone, and cryptolide / A. Hurski, V. Zhabinskii, V. Khripach // Tetrahedron Lett. – 2013. – Vol. 54, No 6. – P. 584–586. https://doi.org/10.1016/j.tetlet.2012.11.094</mixed-citation><mixed-citation xml:lang="en">Hurski A., Zhabinskii V., Khripach V. A short convergent synthesis of the side chains of brassinolide, cathasterone, and cryptolide. Tetrahedron Letters, 2013, vol. 54, no 6, pp. 584–586. https://doi.org/10.1016/j.tetlet.2012.11.094</mixed-citation></citation-alternatives></ref><ref id="cit7"><label>7</label><citation-alternatives><mixed-citation xml:lang="ru">3-Oxoteasterone and the epimerization of teasterone – identifcation in lily anthers and Distylium racemosum leaves and its biotransformation into typhasterol / H. Abe [et al.] // Biosci. Biotechnol. Biochem. – 1994. – Vol. 58, No 5. – P. 986–989. https://doi.org/10.1271/bbb.58.986</mixed-citation><mixed-citation xml:lang="en">Abe H., Honjo C., Kyokawa Y., Asakawa S., Natsume M., Narushima M. 3-Oxoteasterone and the epimerization of teasterone – identifcation in lily anthers and Distylium racemosum leaves and its biotransformation into typhasterol. Bioscience, Biotechnology, and Biochemistry, 1994, vol. 58, no 5, pp. 986–989. https://doi.org/10.1271/bbb.58.986</mixed-citation></citation-alternatives></ref><ref id="cit8"><label>8</label><citation-alternatives><mixed-citation xml:lang="ru">Angyal, S. J. Oxidative demethylation with chromium trioxide in acetic acid / S. J. Angyal, K. James // Carbohydr. Res. – 1970. – Vol. 12, No 1. – P. 147–149. https://doi.org/10.1016/S0008-6215(00)80237-2</mixed-citation><mixed-citation xml:lang="en">Angyal S. J., James K. Oxidative demethylation with chromium trioxide in acetic acid. Carbohydrate Research, 1970, vol. 12, no 1, pp. 147–149. https://doi.org/10.1016/S0008-6215(00)80237-2</mixed-citation></citation-alternatives></ref><ref id="cit9"><label>9</label><citation-alternatives><mixed-citation xml:lang="ru">Catalytic processes of oxidation by hydrogen peroxide in the presence of Br2 or HBr / A. Amati [et al.] // Org. Process Res. Dev. – 1998. – Vol. 2, No 4. – P. 261–269. https://doi.org/10.1021/op980028j</mixed-citation><mixed-citation xml:lang="en">Amati A., Dosualdo G., Zhao L., Bravo A., Fontana F., Minisci F., Bjørsvik H.-R. Catalytic processes of oxidation by hydrogen peroxide in the presence of Br2 or HBr. Organic Process Research &amp; Development, 1998, vol. 2, no 4, pp. 261–269. https://doi.org/10.1021/op980028j</mixed-citation></citation-alternatives></ref><ref id="cit10"><label>10</label><citation-alternatives><mixed-citation xml:lang="ru">Suzuki, H. Direct oxidation of methyl ethers to carbonyl compounds with a combination of nitrogen dioxide and water in the presence or absence of ozone / H. Suzuki, T. Takeuchi, T. Mori // Bull. Chem. Soc. Jpn. – 1997. – Vol. 70, No 12. – P. 3111–3115. https://doi.org/10.1246/bcsj.70.3111</mixed-citation><mixed-citation xml:lang="en">Suzuki H., Takeuchi T., Mori T. Direct oxidation of methyl ethers to carbonyl compounds with a combination of nitrogen dioxide and water in the presence or absence of ozone. Bulletin of the Chemical Society of Japan, 1997, vol. 70, no 12, pp. 3111–3115. https://doi.org/10.1246/bcsj.70.3111</mixed-citation></citation-alternatives></ref><ref id="cit11"><label>11</label><citation-alternatives><mixed-citation xml:lang="ru">Olah, G. A. Synthetic methods and reactions. 17. Uranium hexaﬂuoride, a convenient new oxidizing agent for organic synthesis / G. A. Olah, J. Welch, T.-L. Ho // J. Am. Chem. Soc. – 1976. – Vol. 98, No 21. – P. 6717–6718. https://doi.org/10.1021/ja00437a059</mixed-citation><mixed-citation xml:lang="en">Olah G. A., Welch J., Ho T.-L. Synthetic methods and reactions. 17. Uranium hexaﬂuoride, a convenient new oxidizing agent for organic synthesis. Journal of the American Chemical Society, 1976, vol. 98, no 21, pp. 6717–6718. https://doi.org/10.1021/ja00437a059</mixed-citation></citation-alternatives></ref><ref id="cit12"><label>12</label><citation-alternatives><mixed-citation xml:lang="ru">Manganese terpyridine artifcial metalloenzymes for benzylic oxygenation and olefn epoxidation / C. Zhang [et al.] // Tetrahedron. – 2014. – Vol. 70, No 27. – P. 4245–4249. https://doi.org/10.1016/j.tet.2014.03.008</mixed-citation><mixed-citation xml:lang="en">Zhang C., Srivastava P., Ellis-Guardiola K., Lewis J. C. Manganese terpyridine artifcial metalloenzymes for benzylic oxygenation and olefn epoxidation. Tetrahedron, 2014, vol. 70, no 27, pp. 4245–4249. https://doi.org/10.1016/j.tet.2014.03.008</mixed-citation></citation-alternatives></ref><ref id="cit13"><label>13</label><citation-alternatives><mixed-citation xml:lang="ru">Olah, G. A. Cerium(IV) ammonium nitrate-catalyzed oxidative cleavage of alkyl and silyl ethers with sodium bromate / G. A. Olah , B. G. Gupta , A. P. Fung // Synthesis. – 1980, No 11. – P. 897–898. https://doi.org/10.1055/s-1980-29258</mixed-citation><mixed-citation xml:lang="en">Olah G. A., Gupta B. G., Fung A. P. Cerium(IV) ammonium nitrate-catalyzed oxidative cleavage of alkyl and silyl ethers with sodium bromate. Synthesis, 1980, no 11, pp. 897–898. https://doi.org/10.1055/s-1980-29258</mixed-citation></citation-alternatives></ref><ref id="cit14"><label>14</label><citation-alternatives><mixed-citation xml:lang="ru">Gilissen, P. J. Oxidation of secondary methyl ethers to ketones / P. J. Gilissen, D. Blanco-Ania, F. P. J. T. Rutjes // J. Org. Chem. – 2017. – Vol. 82, No 13. – P. 6671–6679. https://doi.org/10.1021/acs.joc.7b00632</mixed-citation><mixed-citation xml:lang="en">Gilissen P. J., Blanco-Ania D., Rutjes F. P. J. T. Oxidation of secondary methyl ethers to ketones. The Journal of Organic Chemistry, 2017, vol. 82, no 13, pp. 6671–6679. https://doi.org/10.1021/acs.joc.7b00632</mixed-citation></citation-alternatives></ref><ref id="cit15"><label>15</label><citation-alternatives><mixed-citation xml:lang="ru">van Heerden, F. R. Direct transformation of steroidal ethers into ketones by dimethyldioxirane / F. R. van Heerden, J. T. Dixon, C. W. Holzapfel // Tetrahedron Lett. – 1992. – Vol. 33, N 48. – P. 7399–7402. https://doi.org/10.1016/S0040-4039(00)60199-5</mixed-citation><mixed-citation xml:lang="en">van Heerden F. R., Dixon J. T., Holzapfel C. W. Direct transformation of steroidal ethers into ketones by dimethyldioxirane. Tetrahedron Letters, 1992, vol. 33, no 48, pp. 7399–7402. https://doi.org/10.1016/S0040-4039(00)60199-5</mixed-citation></citation-alternatives></ref><ref id="cit16"><label>16</label><citation-alternatives><mixed-citation xml:lang="ru">Hurski, A. L. A new approach to the side chain formation of 24-alkyl-22-hydroxy steroids: application to the preparation of early brassinolide biosynthetic precursors / A. L. Hurski, V. N. Zhabinskii, V. A. Khripach // Steroids. – 2012. – Vol. 77, No 7. – P. 780–790. https://doi.org/10.1016/j.steroids.2012.03.010</mixed-citation><mixed-citation xml:lang="en">Hurski A. L., Zhabinskii V. N., Khripach V. A. A new approach to the side chain formation of 24-alkyl-22-hydroxy steroids: application to the preparation of early brassinolide biosynthetic precursors. Steroids, 2012, vol. 77, no 7, pp. 780–790. https://doi.org/10.1016/j.steroids.2012.03.010</mixed-citation></citation-alternatives></ref><ref id="cit17"><label>17</label><citation-alternatives><mixed-citation xml:lang="ru">Aburatani, M. Facile syntheses of brassinosteroids: brassinolide, castasterone, teasterone and typhasterol / M. Aburatani, T. Takeuchi, K. Mori // Agric. Biol. Chem. – 1987. – Vol. 51, No 7. – P. 1909–1913. https://doi.org/10.1271/bbb1961.51.1909</mixed-citation><mixed-citation xml:lang="en">Aburatani M., Takeuchi T., Mori K. Facile syntheses of brassinosteroids: brassinolide, castasterone, teasterone and typhasterol. Agricultural and Biological Chemistry, 1987, vol. 51, no 7, pp. 1909–1913. https://doi.org/10.1271/bbb1961.51.1909</mixed-citation></citation-alternatives></ref><ref id="cit18"><label>18</label><citation-alternatives><mixed-citation xml:lang="ru">Synthesis of secasterol and 24-episecasterol and their toxicity for MCF-7 cells / V. A. Khripach [et al.] // Russ. J. Bioorg. Chem. – 2010. – Vol. 36, No 6. – P. 746–754. https://doi.org/10.1134/S1068162010060117</mixed-citation><mixed-citation xml:lang="en">Khripach V. A., Zhabinskii V. N., Gulyakevich O. V., Konstantinova O. V., Misharin A. Y., Mekhtiev A. R., Timofeev V. P., Tkachev Y. V. Synthesis of secasterol and 24-episecasterol and their toxicity for MCF-7 cells. Russian Journal of Bioorganic Chemistry, 2010, vol. 36, no 6, pp. 746–754. https://doi.org/10.1134/S1068162010060117</mixed-citation></citation-alternatives></ref><ref id="cit19"><label>19</label><citation-alternatives><mixed-citation xml:lang="ru">3-Dehydroteasterone, a 3,6-diketobrassinosteroid as a possible biosynthetic intermediate of brassinolide from wheat grain / T. Yokota [et al.] // Biosci. Biotechnol. Biochem. – 1994. – Vol. 58, No 6. – P. 1183–1185. https://doi.org/10.1271/bbb.58.1183</mixed-citation><mixed-citation xml:lang="en">Yokota T., Nakayama M., Wakisaka T., Schmidt J., Adam G. 3-Dehydroteasterone, a 3,6-diketobrassinosteroid as a possible biosynthetic intermediate of brassinolide from wheat grain. Bioscience, Biotechnology, and Biochemistry, 1994, vol. 58, no 6, pp. 1183–1185. https://doi.org/10.1271/bbb.58.1183</mixed-citation></citation-alternatives></ref><ref id="cit20"><label>20</label><citation-alternatives><mixed-citation xml:lang="ru">Possible involvement of 3-dehydroteasterone in the conversion of teasterone to typhasterol in cultured cells of Catharanthus roseus / H. Suzuki [et al.] // Biosci. Biotechnol. Biochem. – 1994. – Vol. 58, No 6. – P. 1186–1188. https://doi.org/10.1271/bbb.58.1186</mixed-citation><mixed-citation xml:lang="en">Suzuki H., Inoue T., Fujioka S., Takatsuto S., Yanagisawa T., Yokota T., Murofushi N., Sakurai A. Possible involvement of 3-dehydroteasterone in the conversion of teasterone to typhasterol in cultured cells of Catharanthus roseus. Bioscience, Biotechnology, and Biochemistry, 1994, vol. 58, no 6, pp. 1186–1188. https://doi.org/10.1271/bbb.58.1186</mixed-citation></citation-alternatives></ref></ref-list><fn-group><fn fn-type="conflict"><p>The authors declare that there are no conflicts of interest present.</p></fn></fn-group></back></article>
