From Chemistry Towards Technology Step-By-Step From Chemistry Towards Technology Step-By-Step От химии к технологии шаг за шагом 2782-1900 127833 10.52957/2782-1900-2026-7-2-93-101 Научные статьи Scientific articles Научные статьи Synthesis of imides of 4,6-diphenyl-3,4-dihydro-2H-thiopyran-2,3-dicarboxylic acid Synthesis of imides of 4,6-diphenyl-3,4-dihydro-2H-thiopyran-2,3-dicarboxylic acid Старостин Михаил Витальевич Starostin Mikhail Vitalievich Малинина Алена Владимировна Malinina Alyona Vladimirovna Карпов Дмитрий Сергеевич Karpov Dmitry Sergeevich Овчинников Константин Львович Ovchinnikov Konstantin L'vovich

кандидат химических наук;

candidate of chemical sciences;

 Алдошин Александр Сергеевич Aldoshin Alexander Sergeevich

кандидат химических наук;

candidate of chemical sciences;

 Колобов Алексей Владиславович Kolobov Alexey Vladislavovich

доктор химических наук;

doctor of chemical sciences;

 Ярославский государственный технический университет Yaroslavl State Technical University Московский государственный университет имени М.В.Ломоносова Lomonosov Moscow State University Университет ИТМО Россия Университет ИТМО Russian Federation 10 07 2026 10 07 2026 7 2 93 101 09 04 2026 28 05 2026 https://chemintech.ru/en/nauka/article/127833/view

A new approach to the synthesis of imides of vicinal thiopyrandicarboxylic acids, based on the construction of the imide fragment via acylation of anilines with 4,6 diphenyl-3,4-dihydro-2H-thiopyran-2,3-dicarboxylic acid anhydride, has been developed. The proposed method successfully enhances known approaches associated with the formation of the thiopyran ring.

A new approach to the synthesis of imides of vicinal thiopyrandicarboxylic acids, based on the construction of the imide fragment via acylation of anilines with 4,6 diphenyl-3,4-dihydro-2H-thiopyran-2,3-dicarboxylic acid anhydride, has been developed. The proposed method successfully enhances known approaches associated with the formation of the thiopyran ring.

 2H‑thiopyrans maleimides anhydrides anilines The NMR analyses were conducted within the framework of a state assignment of Lomonosov Moscow State University, registration number AAAA-A21-121012290046-4.

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