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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">phkinetica</journal-id><journal-title-group><journal-title xml:lang="ru">Фармакокинетика и Фармакодинамика</journal-title><trans-title-group xml:lang="en"><trans-title>Pharmacokinetics and Pharmacodynamics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2587-7836</issn><issn pub-type="epub">2686-8830</issn><publisher><publisher-name>ООО «Издательство ОКИ»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.37489/2587-7836-2023-4-83-94</article-id><article-id custom-type="elpub" pub-id-type="custom">phkinetica-396</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 РАЗРАБОТКИ НОВЫХ ЛЕКАРСТВЕННЫХ СРЕДСТВ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>METHODS FOR DEVELOPMENT OF NEW DRUGS</subject></subj-group></article-categories><title-group><article-title>Разработка оптимальной схемы синтеза дипептидного лиганда TSPO, амида N-фенилпропионил-L-триптофанил-L-лейцина (ГД-102), потенциального анксиолитика</article-title><trans-title-group xml:lang="en"><trans-title>Development of the optimal scheme for the synthesis of the dipeptide TSPO ligand, N-phenylpropionyl-L-tryptophanyl-L-leucine amide (GD-102), a potential anxiolytic drug</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9842-1545</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Деева</surname><given-names>О. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Deeva</surname><given-names>O. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Деева Ольга Алексеевна - н. с. лаборатории пептидных биорегуляторов отдела химии лекарственных средств</p><p>Москва</p></bio><bio xml:lang="en"><p>Olga A. Deeva - Researcher of the peptide bio regulators laboratory at the medicinal chemistry department</p><p>Moscow</p></bio><email xlink:type="simple">olga.angstrem@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">ФГБНУ «ФИЦ оригинальных и перспективных биомедицинских и фармацевтических технологий»<country>Россия</country></aff><aff xml:lang="en">Federal Research Center for Innovator and Emerging Biomedical and Pharmaceutical Technologies<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>22</day><month>01</month><year>2024</year></pub-date><volume>0</volume><issue>4</issue><fpage>83</fpage><lpage>94</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Деева О.А., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Деева О.А.</copyright-holder><copyright-holder xml:lang="en">Deeva O.A.</copyright-holder><license 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.pharmacokinetica.ru/jour/article/view/396">https://www.pharmacokinetica.ru/jour/article/view/396</self-uri><abstract><p>Ранее в НИИ фармакологии имени В.В. Закусова был сконструирован и синтезирован дипептидный лиганд TSPO, соединение амид N-фенилпропионил-L-триптофанил-L-лейцина (лабораторный шифр ГД-102), для которого выявлена анксиолитическая активность в дозах 0,01–1,0 мг/кг внутрибрюшинно (в/б) у мышей. Дипептид ГД-102 также обладал антидепрессивной активностью в дозах 0,01 и 0,05 мг/кг в/б у мышей BALB/c в тесте вынужденного плавания по Порсолту. Лигандные свойства дипептида ГД-102 к TSPO были подтверждены методом фармакологического ингибиторного анализа и методом молекулярного докинга. Данная работа посвящена разработке оптимальной схемы синтеза дипептида ГД-102. Опробованы 3 метода: 1 метод — активированных сукцинимидных эфиров, 2 метод — активированных пентафторфениловых эфиров и 3 — имидазолидный метод. Проведено сравнение этих трёх схем синтеза по выходу и оптической чистоте конечного продукта. Показано, что оптимальной схемой синтеза является первая — с использованием сукцинимидных эфиров.</p></abstract><trans-abstract xml:lang="en"><p>Previously at the Zakusov Research Institute of Pharmacology the first dipeptide ligand TSPO, the compound N-phenylpropionyl-L-tryptophanyl-L-leucine amide (laboratory code GD-102), was designed and synthesized. The anxiolytic activity was detected for this compound at the doses 0.01–1.0 mg/kg intraperitoneally (ip) in mice. Dipeptide GD-102 also possessed antidepressant-like activity at the doses 0.01 and 0.05 mg/kg ip in BALB/c mice in the Porsolt forced swim test. The ligand properties of dipeptide GD-102 to TSPO were confirmed by pharmacological inhibitory analysis and molecular docking. This work is devoted to the development of the optimal scheme for the synthesis of the GD-102. 3 methods were tried — 1 activated succinimide esters method, 2 activated pentafluorophenyl ethers method and 3 imidazolide method. These three synthesis schemes have been compared in terms of yield and optical purity of the final product. It was shown that the optimal synthesis scheme is the first one, using succinimide esters.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>дипептид</kwd><kwd>ГД-102</kwd><kwd>лиганд TSPO</kwd><kwd>пептидный синтез</kwd></kwd-group><kwd-group xml:lang="en"><kwd>dipeptide</kwd><kwd>GD-102</kwd><kwd>TSPO ligand</kwd><kwd>peptide synthesis</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">Gudasheva TA, Deeva OA, Mokrov GV, et al. Design, Synthesis and Anxiolytic Activity Evaluation of N-Acyltryptophanyl- Containing Dipeptides, Potential TSPO Ligands. Med Chem. 2019;15(4):383–399. DOI: 10.2174/1573406415666181119164846.</mixed-citation><mixed-citation xml:lang="en">Gudasheva TA, Deeva OA, Mokrov GV, et al. 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