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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">pharmjournal</journal-id><journal-title-group><journal-title xml:lang="ru">Разработка и регистрация лекарственных средств</journal-title><trans-title-group xml:lang="en"><trans-title>Drug development &amp; registration</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2305-2066</issn><issn pub-type="epub">2658-5049</issn><publisher><publisher-name>LLC «CPHA»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.33380/2305-2066-2021-10-3-76-81</article-id><article-id custom-type="elpub" pub-id-type="custom">pharmjournal-1003</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>МЕТОДЫ АНАЛИЗА ЛЕКАРСТВЕННЫХ СРЕДСТВ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ANALYTICAL METHODS</subject></subj-group></article-categories><title-group><article-title>Применение высокоэффективной жидкостной хроматографии в анализе новой субстанции VMA-10-18</article-title><trans-title-group xml:lang="en"><trans-title>Use of High Performance Liquid Chromatography in the Analysis of a New Substance VMA-10-18</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7778-8391</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мищенко</surname><given-names>Е. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Mischenko</surname><given-names>E. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мищенко Екатерина Сергеевна.</p><p>357532, Пятигорск-32, пр. Калинина, д. 11.</p></bio><bio xml:lang="en"><p>Ekaterina S. Mischenko.</p><p>11, Kalinina av., Pyatigorsk-32, 357532.</p></bio><email xlink:type="simple">ekaterina-mischenko1809@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9983-8393</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лазарян</surname><given-names>Д. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Lazaryan</surname><given-names>J. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>357532, Пятигорск-32, пр. Калинина, д. 11.</p></bio><bio xml:lang="en"><p>John S. Lazaryan.</p><p>11, Kalinina av., Pyatigorsk-32, 357532.</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0364-0807</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лазарян</surname><given-names>А. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Lazaryan</surname><given-names>A. Jh.</given-names></name></name-alternatives><bio xml:lang="ru"><p>357532, Пятигорск-32, пр. Калинина, д. 11.</p></bio><bio xml:lang="en"><p>Anush Jh. Lazaryan.</p><p>11, Kalinina av., Pyatigorsk-32, 357532.</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Пятигорский медико-фармацевтический институт - филиал ФГБОУ ВО «Волгоградский государственный медицинский университет» Министерства здравоохранения Российской Федерации (ПМФИ, филиал ФГБОУ ВО «ВолгГМУ» Минздрава России)</institution></aff><aff xml:lang="en"><institution>Pyatigorsk Medical Pharmaceutical Institute - branch of Volgograd State Medical University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>27</day><month>08</month><year>2021</year></pub-date><volume>10</volume><issue>3</issue><fpage>76</fpage><lpage>81</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Мищенко Е.С., Лазарян Д.С., Лазарян А.Д., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Мищенко Е.С., Лазарян Д.С., Лазарян А.Д.</copyright-holder><copyright-holder xml:lang="en">Mischenko E.S., Lazaryan J.S., Lazaryan A.J.</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://www.pharmjournal.ru/jour/article/view/1003">https://www.pharmjournal.ru/jour/article/view/1003</self-uri><abstract><sec><title>Введение</title><p>Введение. Лекарственные препараты производных хиназолина обладают широким спектром фармакологических свойств, что делает эту группу достаточно уникальной среди остальных классов гетероциклических соединений. Субстанция VMA-10-18, обладающая церебровазодилатирующим, антидепрессивным, анксиолитическим и ноотропным свойствами, может стать новым перспективным лекарственным препаратом. В связи с этим актуальной задачей является разработка методик стандартизации данной субстанции.</p></sec><sec><title>Цель</title><p>Цель. Разработка и валидация методики количественного определения родственных примесей в новой биологически активной субстанции VMA-10-18 (Хиназофен) методом ВЭЖХ.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Для разработки условий хроматографического анализа использовали высокоочищенную субстанцию 3-[2-(4-метоксифениламино)-2-оксоэтил]-хиназолин-4(3Н)-она, а также ее родственные примеси: примесь I [исходный незамещенный хиназолин-4(3Н)-он] и примесь II (4-метоксихлорацетанилид). В качестве растворителя использовали спирт этиловый 95 %. Хроматограф Dionex UltiMate 3000 (Dionex, США) со спектрофотометрическим детектором. Система сбора и обработки данных Chromeleon v.7. Подвижная фаза - смесь ацетонитрила и ортофосфорной кислоты. Анализ выполняли в изократическом режиме.</p></sec><sec><title>Результаты и обсуждение</title><p>Результаты и обсуждение. Разработаны оптимальные условия хроматографирования субстанции VMA-10-18 и ее примесей. Установлено, что для четкого разделения пиков субстанции и примесей между собой подвижная фаза должна содержать ацетонитрил и ортофосфорную кислоту в соотношении 80 : 20. Валидацию разработанной методики проводили с учетом требования ГФ XIV издания и рекомендациям ICH. Подтверждена специфичность, линейность, правильность и прецизионность разработанной методики. Линейность и правильность методики определяли на 7 уровнях концентраций. Коэффициент корреляции превысил значение 0,99. Свободный член уравнения линейной зависимости (a) для обеих примесей был меньше его доверительного интервала (Δа), что доказывает отсутствие систематической погрешности методики. При определении показателя «Сходимость» рассчитанное относительное стандартное отклонение не превышало 2 %. При определении внутрилабораторной прецизионности рассчитывали t-критерий Стьюдента и F-критерий Фишера. Оба показателя отвечали заявленным требованиям.</p></sec><sec><title>Заключение</title><p>Заключение. Разработана и валидирована методика количественного определения примесей в субстанции VMA-10-18 методом ВЭЖХ.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. Quinazoline derivatives have a wide range of pharmacological properties, which makes this group quite unique among other classes of heterocyclic compounds. Substance VMA-10-18, which has cerebrovasodilating, antidepressant, anxiolytic and nootropic properties, may become a promising new drug. In this regard, an urgent task is to develop methods for standardizing this substance.</p></sec><sec><title>Aim</title><p>Aim. Development of a method for the quantitation of related impurities of a new biologically active substance VMA-10-18 (Quinazophene) by HPLC with subsequent statistical processing of the results.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. To develop the conditions for chromatographic analysis, was used a highly purified substance 3-[2-(4-methoxyphenylamino)-2-oxoethyl]-quinazolin-4(3H)-one, as well as its related impurities: impurity I (unsubstituted quinazolin-4(3H)-one) and impurity II (4-methoxychloroacetanilide). Test solutions were prepared using volumetric glassware of accuracy class 1. Ethyl alcohol 95 % was used as a solvent. Chromatography was performed using a Dionex UltiMate 3000 system (Dionex, United States) with a spectrophotometric detector. The analysis was carried out at a wavelength of 231 nm. Data collection and processing was carried out using the Chromeleon v.7 system. A mixture of acetonitrile and orthophosphoric acid was used as a mobile phase. The analysis was performed in an isocratic mode. The validation of the developed method was carried out taking into account the requirements of the State Pharmacopeia of Russian Federation XIV edition and the recommendations of the ICH.</p></sec><sec><title>Results and discussion</title><p>Results and discussion. The optimal conditions for chromatography of the VMA-10-18 substance and its impurities have been developed. It was found that for a clear separation of the peaks of the substance and impurities among themselves, the mobile phase should contain acetonitrile and orthophosphoric acid in a ratio of 80 : 20. The specificity of the method was determined by chromatography of ethyl alcohol in order to exclude its influence on the analysis results. The linearity and correctness of the method were determined at 7 levels of concentration of impurities of the substance. The correlation coefficient has exceeded 0.99. Also, the free term of the linear dependence equation (a) for both impurities was less than its confidence interval (Δа), which proves the absence of a systematic error of the method. When determining the "Convergence" indicator, the calculated relative standard deviation did not exceed 2 %. When determining the intralaboratory precision, Student's t-test and Fisher's F-test were calculated. Both indicators met the stated requirements.</p></sec><sec><title>Conclusion</title><p>Conclusion. A method for the quantitative determination of impurities in the VMA-10-18 substance by HPLC has been developed and validated.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>хиназолин-4(3Н)-он</kwd><kwd>субстанция VMA-10-18</kwd><kwd>Хиназофен</kwd><kwd>незамещенный хиназолин-4(3Н)-он</kwd><kwd>ВЭЖХ</kwd><kwd>валидация</kwd></kwd-group><kwd-group xml:lang="en"><kwd>quinazolin-4(3Н)-one</kwd><kwd>substance VMA-10-18</kwd><kwd>Quinazophene</kwd><kwd>unsubstituted quinazolin-4(3Н)-one</kwd><kwd>HPLC</kwd><kwd>validation</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Бартон Д., Оллис У. Д. Общая органическая химия. М.: Химия; 1985. Т. 8. 752 с.</mixed-citation><mixed-citation xml:lang="en">Barton D., Ollis W. D. Obshchaya organicheskaya khimiya [Comprehensive organic chemistry]. Moscow: Khimiya; 1985. V. 8. 752 p. 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