4-Acetylbenzoic Acid → 4-[3e-(2-Fluoro-4-thiophen-2-yl-phenyl)-acryloyl]-benzoic acid

Beteiligte Stoffe

Reaktionsschritte

The title compound was prepared by condensing 2-fluoro-4-thiophen-2-yl-benzaldehyde (Ex-30A) and 4-acetylbezoic acid in a similar manner as described in Ex-3. Yellow solid, 71% yield, m.p.>260° C. 1H-NMR (300 MHz, d6-DMSO): 8.19 (d, 2H, J=8.4 Hz), 8.12 (d, 1H, J=8 Hz), 8.06 (d, 2H, J=8 Hz), 7.95 (d, 1H, J=16 Hz), 7.80 (d, 1H, J=16 Hz), 7.71 (d, 1H, J=3.5 Hz), 7.62 (m, 2H), 7.56 (d, 1H, J=8 Hz), 7.15 (m, 1H). MS m/z=352 ([M]+, 100%). HRMS (EI) Calcd. for C20H13NO3S: 352.0569. Found: 352.0560.

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