1-Phenylcyclohexane-1-carboxylic acid → 2-(4-(Methoxycarbonyl)phenyl)acetic acid

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The title compound was obtained from 2-[4-(methoxycarbonyl)phenyl]acetic acid (8a) by the method described above for tetrahydro-2H-pyran-2-yl 2-phenylacetate (5a) and 1-phenylcyclohexanecarboxylic acid (1/3). The crude product 1/4 was chromatographed on silica gel with toluene-ethyl acetate-acetic acid (8:2:0.1) as eluent to give 1-[4-(methoxycarbonyl)phenyl]-cyclohexanecarboxylic acid (1/4) in 68% yield (on 8a) as a white solid. 1H NMR (CDCl3, HMDSO) δ: 0.94-2.09 (8H, m); 2.25-2.65 (2H, m); 3.88 (3H, s); 7.49 (2H, d, J=8.6 Hz); 7.96 (2H, d, J=8.6 Hz); 10.07 (1H, br s).

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