Design of ligands which improve Cu(I) catalysis

N. Navon, H. Cohen, P. Paoletti, B. Valtancoli, A. Bencini, D. Meyerstein

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

It seemed plausible that tri- and tetraamine ligands with a substituent which binds to Cu(I) but not to Cu(II), e.g., an allyl, stabilize Cu(I) in aqueous solutions and shift its redox potential cathodically relative to Cu+(aq). Therefore, the ligands N(CH2CH2NR2)2(CH2CH2NRCH2CH=CH2) (R = H or CH3) were synthesized. These ligands indeed stabilize Cu(I) in aqueous solutions and shift the redox potential of the Cu(II)/Cu(I) and Cu(I)/Cu(O) couples cathodically relative to Cu(2+/+)(aq) and the complexes Cu(II)L/Cu(I)L where L = R2NCH2CH2NRCH2CH2NR(CH2CH2=CH2). Therefore, the copper complexes with the new ligands are expected to be better catalysts to processes in which the redox step is the rate-determining step.

Original languageEnglish
Pages (from-to)3536-3540
Number of pages5
JournalIndustrial and Engineering Chemistry Research
Volume39
Issue number10
DOIs
StatePublished - 1 Jan 2000

ASJC Scopus subject areas

  • Chemistry (all)
  • Chemical Engineering (all)
  • Industrial and Manufacturing Engineering

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