Trifluoroacetic acid → HCID 66653488, compound

Participants

Reaction Conditions

Reaction Steps

A solution of N-(methoxymethyl)-N-(phenylmethyl)-N-(trimethylsilyl)methylamine (1.55 g, 6.54 mmol) in CH2Cl2 (5 mL) was added dropwise, over a 30 minutes period, to a stirred solution of (E)-3-(4-Chloro-phenyl)-2-methyl-acrylic acid ethyl ester (1.00 g, 4.45 mmol; preparation described in J. Org. Chem. 1966, 31: 4043-4047) and trifluoroacetic acid (0.034 mL, 0.44 mmol) in CH2Cl2 (10 mL) at 0° C. The ice bath was removed, and the solution was stirred at 25° C. for an additional 24 h. It was then concentrated and purification by flash chromatography (SiO2, EtOAc/H 1:8) afforded 0.85 g (54%) of the title compound as a colorless oil. ES-MS m/e: 358.2 (M+H+).

Provenance & Evidence