Ethyl oxoacetate → 3-(4-Benzyloxy-phenyl)-2-hydroxy-4-oxo-heptanoic acid ethyl ester

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Reaction Steps

A mixture of 1-(4-benzyloxy-phenyl)-pentan-2-one (2.98 mmol, 11.4 g), oxo-acetic acid ethyl ester solution in toluene (8 mL, 50% solution in toluene) and triethylamine (2 mL) was stirred at ambient temperature for 24 h. The volatiles were removed under reduced pressure, and the resultant residue was purified by flash silica gel chromatography using by eluting with 30% ethyl acetate in hexanes to provide 3-(4-benzyloxy-phenyl)-2-hydroxy-4-oxo-heptanoic acid ethyl ester.

Provenance & Evidence