Triphenylphosphine as a Novel Organocatalyst for Chemoselective O-tert-Butoxycarbonylation of Phenols

 

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Abstract

A novel organocatalytic procedure for the chemoselective O-tert-butoxycarbonylation of phenols under neutral and neat conditions is described.

References

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LD₅₀ (rat) 700 mg kg^-1: http://physchem.ox.ac.uk/MSDS/TR/triphenylphosphine.html.