Efficient and recyclable Rh-catalytic system with involvement of phosphine-functionalized phosphonium-based ionic liquids for tandem hydroformylation–acetalization

Peng Wang, Xia Chen, Dong Liang Wang, Yong Qi Li, Ye Liu

Research output: Contribution to journalArticlepeer-review

28 Scopus citations

Abstract

The phosphine-functionalized phosphonium-based ionic liquids (dppm-Q, dppe-Q, dppp-Q and dppb-Q) as the bi-functional ligands enable the efficient one-pot tandem hydroformylation–acetalization. It was found that, in dppm-Q, dppe-Q, dppp-Q and dppb-Q, the incorporated phosphino-fragments were responsible for Rh-catalyzed hydroformylation and the phosphoniums were in charge of the subsequent acetalization as the Lewis acid catalysts. Moreover, the diphosphonium-based ionic liquid of dppb-DQ could be applied as a co-solvent to immobilize the Rh/dppb-Q catalytic system with the advantages of the improved catalytic performance, the available catalyst recyclability, and the wide generality for the substrates.

Original languageEnglish
Pages (from-to)419-427
Number of pages9
JournalGreen Energy and Environment
Volume2
Issue number4
DOIs
StatePublished - Oct 2017

Keywords

  • Bi-functional ligands
  • Phosphines
  • Phosphonium-based ionic liquids
  • Recyclability of homogeneous catalysts
  • Tandem hydroformylation–acetalization

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