Dimethylformamide diethylacetal → Ethyl 2-(4-cyano-2-fluorophenyl)-3-(dimethylamino)acrylate

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Reaction Steps

The title compound was prepared in a manner similar to Example Preparation 10 using ethyl 2-(4-cyano-2-fluorophenyl)acetate and 1,1-diethoxy-N,N-dimethylmethanamine to give the title compound. 1H NMR (400 MHz, DMSO-d6) δ ppm 1.10 (t, J=7.07 Hz, 3 H) 2.71 (br. s., 6 H) 4.00 (quin, J=6.76 Hz, 2 H) 7.37 (t, J=7.71 Hz, 1 H) 7.60 (dd, J=7.96, 1.64 Hz, 1 H) 7.64 (s, 1 H) 7.75 (dd, J=9.47, 1.64 Hz, 1 H). MS m/z [M+H]+ 236.2, 263.2.

Provenance & Evidence