反应 #10783

反应方程式

2-(2-formyl-5-methoxy-4-thiophen-2-yl-phenoxy)-N,N-dimethyl-acetamide

4-acetylbenzoic acid

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title compound

收率 75.0%

4-[3E-(2-Dimethylcarbamoylmethoxy-4-methoxy-5-thiophen-2-yl-phenyl)-acryloyl]-benzoic acid

收率 75.0%

反应条件

实验过程

The title compound was prepared by condensing 2-(2-formyl-5-methoxy-4-thiophen-2-yl-phenoxy)-N,N-dimethyl-acetamide (Ex-67A) and 4-acetylbenzoic acid in a similar manner as described in Ex-3. Yellow solid, mp 228–229° C., 75% yield. 1H-NMR (300 MHz, DMSO-d6) δ 8.31 (d, 2H, J=9.3 Hz), 8.22 (d, 2H, J=13.3 Hz), 8.08 (d, 2H, J=9.3 Hz), 7.95 (s, 1H), 7.65 (d, 1H, J=2.7 Hz), 7.52 (d, 1H, J=5.1 Hz), 7.13 (dd, 1H, J=5.1, 2.7 Hz), 6.85 (s, 1H), 5.11 (s, 2H), 3.99 (s, 3H), 3.06 (s, 3H), 2.93 (s, 3H). MS (EI) m/z=465 ([M]+, 100%). HRMS (EI) Calcd. for C25H23NO6S: 465.1246. Found: 465.1246.

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