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A reliable and high‐yielding one‐pot sequence for the removal of O‐carboxymethyl moieties from phenols is presented. When diethylphosphoryl azide is employed as theazide transfer reagent in the Curtius rearrangement and glycerol in the subsequent hydrolytic workup, the protocol can be reliably applied to a very broad scope of substrates. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2008)
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Spurg et al. (2007) studied this question.
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