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<p>It is shown that the formation of nanosized MoS<sub>(2–<i>x</i>)</sub>O<sub><i>x</i></sub> under hydrothermal conditions with an increased thiourea content leads to a decrease in the oxygen content in the resulting material and doesn’t significantly affect its morphology. It has been established that in quinoline hydrogenation over MoS<sub>(2–<i>x</i>)</sub>O<sub><i>x</i></sub> samples with an increased sulfur content, the yield of 1,2,3,4-tetrahydroquinoline increases. The obtained MoS<sub>(2–<i>x</i>)</sub>O<sub><i>x</i></sub> oxysulfides catalyze the hydrogenation of isomeric bromoquinolines bearing a Br atom in the carbocyclic ring to form the corresponding bromine-containing 1,2,3,4-tetrahydroquinolines; in this case, the yields of these products generally decrease with increasing sulfur content in the catalyst.</p>

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Influence of Composition of Nanosized MoS(2–x)Ox on Its Catalytic Properties in Bromoquinoline Hydrogenation Processes

  • 期刊论文

  • 发表日期：

    2025年11月1日

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  • A. V. Terebilenko,
  • M. V. Olenchuk,
  • G. I. Dovbeshko,
  • I. E. Kotenko,
  • V. P. Pashkevych,
  • S. V. Kolotilov

摘要

It is shown that the formation of nanosized MoS(2–x)Ox under hydrothermal conditions with an increased thiourea content leads to a decrease in the oxygen content in the resulting material and doesn’t significantly affect its morphology. It has been established that in quinoline hydrogenation over MoS(2–x)Ox samples with an increased sulfur content, the yield of 1,2,3,4-tetrahydroquinoline increases. The obtained MoS(2–x)Ox oxysulfides catalyze the hydrogenation of isomeric bromoquinolines bearing a Br atom in the carbocyclic ring to form the corresponding bromine-containing 1,2,3,4-tetrahydroquinolines; in this case, the yields of these products generally decrease with increasing sulfur content in the catalyst.