Sodium hydride → HCID 57843543, compound

Participants

Reaction Steps

A mixture of 35 g (150 mmol) 2-(3,4-dichloro-phenyl)-propionic acid methyl ester (Journal of Medicinal Chemistry (2004), 47(23), 5753-5765), 31.7 g (188 mmol) bromoacetaldehyde dimethyl acetal (commercially available and 6.6 g (165 mmol) NaH (55%) in 100 mL DMF was stirred at room temperature and afterwards evaporated to dryness. Ice water and ethyl acetate was added and the organic fraction was washed with sat. NaCl aq., dried with Na2SO4 and evaporated. The residue was purified by column chromatography on silica eluting with a mixture of ethyl acetate and hexane. The product containing fractions were evaporated to yield 29.6 g (61%) of the title compound as yellow liquid.

Provenance & Evidence