2,6-Dimethylphenol → Oxalic acid (2,6-dimethyl-phenyl) ester (2-oxo-3-phenyl-2,3-dihydro-benzofuran-5-yl) ester

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Reaction Steps

Reaction of chloro-oxo-acetic acid 2-oxo-3-phenyl-2,3-dihydro-benzofuran-5-yl ester prepared as Example 11 reacted in toluene at the reflux with 2,6-dimethylphenol gave after purification oxalic acid (2,6-dimethyl-phenyl) ester (2-oxo-3-phenyl-2,3-dihydro-benzofuran-5-yl) ester (38% yield). Analysis C,70.6; H,4.1; C24H18O6 requires C,71.8; H,4.2%. Mass Spectrometry shows a molecular ion at 402.

Provenance & Evidence