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Information × Registration Number 0226U003386, (0123U102517) , R & D reports Title Development of composites based on sulfides of metals of groups 6 and 7 and porous media for liquid-phase selective catalytic hydrogenation of halogen-containing heterocyclic compounds popup.stage_title Розробка композитів на основі сульфідів металів 6 і 7 груп і пористих носіїв для рідиннофазного селективного каталітичного гідрування галогенвмісних гетероциклічних сполук Head Serhii V. Kolotilov, Доктор хімічних наук Registration Date 02-04-2026 Organization L. V. Pisarzhevskii Institute Of Physical Chemistry of The National Academy of Sciences of Ukraine popup.description1 The purpose of the work is to establish the influence of the chemical composition and physicochemical characteristics of composites of sulfides of metals of groups 6 and 7 - MoS2, WS2 and Re2S7, deposited on porous media - activated carbon, aerosil, silica gel - on their catalytic properties in the processes of hydrogenation of halogen-containing heterocyclic compounds with hydrogen with the formation of saturated halogen-containing derivatives. popup.description2 Methods for obtaining nanostructured MoS2, WS2, Re2S7, as well as composites of MoS2, Re2S7, cobalt boride with porous supports have been developed. It has been shown that the interaction of ammonium paramolybdate with thiourea under hydrothermal conditions leads to the formation of nanostructured MoS2, which has a morphology of “nanoflowers”. It has been established that the catalytic activity of such MoS2 in the quinoline hydrogenation reaction depends on the catalyst formation temperature, and the highest yield of 1,2,3,4-tetrahydroquinoline is achieved when quinoline is hydrogenated in the presence of samples obtained at 130–145 °C. It has been shown that nanostructured MoS2 is an effective catalyst for the hydrogenation of bromoquinolines, while the reaction proceeds without breaking the C–Br bond in the carbocycle. The catalytic properties of Re2S7 in the hydrogenation processes of a number of organic compounds were investigated and the possibility of hydrogenating heterocyclic compounds with the preservation of the C–Hal bond in the carbocycle, including iodoquinolines with the preservation of the C–I bond in the carbocycle, was shown. It was established that the kinetics of the quinoline hydrogenation process in the presence of 2 mol % Re2S7 in the hydrogen pressure range of 50–100 atm is described by a zero-order equation for quinoline. It was found that the hydrogenation of bromoquinolines without the cleavage of C–Br bonds can take place on cobalt-containing catalysts obtained by the reduction of cobalt(II) salts with borohydride in the presence of porous supports. Protocols for obtaining catalysts and conducting hydrogenation processes have been developed and optimized, and their applicability for multigram preparative synthesis of halogen-containing 1,2,3,4-tetrahydroquinolines - compounds of high value for organic, medicinal and agrochemistry - has been confirmed. Product Description popup.authors Svitlana O. Sotnik Pavlo S. Yaremov Mykyta O. Ivanytsia Anastasiia V. Terebilenko Mykola I. Arabadzhy popup.nrat_date 2026-04-02 Close