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Diruthenium(II,II) tetrakis(acetate) as a catalyst of choice for intermolecular insertion of stabilized diazocompounds into OH bonds

Tetrahedron Letters, ISSN: 0040-4039, Vol: 43, Issue: 20, Page: 3637-3640
2002
  • 21
    Citations
  • 0
    Usage
  • 13
    Captures
  • 0
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Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    21
    • Citation Indexes
      21
  • Captures
    13

Article Description

In the presence of 3 mol% of [Ru(OAc) 2 ] 2 at 90°C in hexafluorobenzene or alcohols as solvents the highly stabilized diazocoumarin 1 undergoes insertion into the OH bond of alcohols (and phenols) regio- and chemoselectively, affording the corresponding 3-alkoxy-4-hydroxycoumarin in moderate to excellent yields.

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