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Synthesis and photooxidation of sodium 1,3-cyclohexadiene-1,4-diethanoate: A new colorless and water-soluble trap of singlet oxygen.

Tetrahedron, ISSN: 0040-4020, Vol: 52, Issue: 6, Page: 2031-2046
1996
  • 34
    Citations
  • 0
    Usage
  • 18
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    34
    • Citation Indexes
      34
  • Captures
    18

Article Description

The sodium 1,3-cyclohexadiene-1,4-diethanoate has been designed as a new colorless trap for the measurement of photogenerated singlet oxygen in aqueous solution. Kinetic studies carried out by flash and steady-state photolysis have shown that this compound interacts with singlet oxygen via a pure chemical quenching with a rate constant k r equal to (2.6 × 10 7 ± 0.3) M −1.s −1. The two products obtained by photooxidation have been identified. The major one (88%) is a stable endoperoxide whereas the minor one (12%) is an hydroperoxide which decomposes into a phenolic derivative by prolongated warming at 37 °C.

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