4.6 Article

Novel spiroketal-based diphosphite ligands for hydroformylation of terminal and internal olefins

Journal

CATALYSIS SCIENCE & TECHNOLOGY
Volume 3, Issue 8, Pages 1901-1904

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c3cy00187c

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Funding

  1. National Natural Science Foundation of China [21172237, 21121062, 21032009]
  2. Major Basic Research Development Program of China [2010CB833300]
  3. Chinese Academy of Sciences
  4. Science and Technology Commission of Shanghai Municipality

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Spiroketal-based diphosphite ligands have been developed for the rhodium-catalyzed hydroformylation reaction. Under the optimized reaction conditions, a turnover number (TON) of up to 2.4 x 10(4) and a linear to branched ratio (l/b) of up to 93 were obtained in the hydroformylation of terminal olefins. The catalysts were also found to be effective in the isomerization-hydroformylation of some internal olefins.

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