4.6 Article

Powerful Continuous-Flow Hydrogenation by using Poly(dimethyl)silane-Supported Palladium Catalysts

Journal

CHEMCATCHEM
Volume 7, Issue 24, Pages 4025-4029

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/cctc.201500973

Keywords

continuous flow; flow synthesis; heterogeneous catalysis; hydrogenation; polysilanes

Funding

  1. Japan Society for the Promotion of Science (JSPS)
  2. Japan Science and Technology Agency (JST)
  3. Ministry of Education, Culture, Sports, Science and Technology (MEXT)
  4. Grants-in-Aid for Scientific Research [15KT0058] Funding Source: KAKEN

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We developed poly(dimethyl)silane-supported Pd catalysts that are readily prepared from Pd(OAc)(2), poly(dimethyl)silane, and Al2O3. The immobilization was achieved for the first time with a support that does not contain benzene rings. The Pd catalyst thus prepared was found to have higher hydrogenation activity than Pd/C. Furthermore, the catalyst was used in continuous-flow hydrogenation with various substrates, including simple liquid substrates (neat) and dissolved solid substrates. Vegetable oils, squalenes, and phosphatidylcholine were successfully hydrogenated on gram to kilogram scales.

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