4-Acetylbenzenesulphonamide → 2-{2,4-Dimethoxy-5-[3-oxo-3-(4-aminosulfonyl-phenyl)-E-propenyl]-phenyl}-indole-1-carboxylic acid tert-butyl ester

Beteiligte Stoffe

Reaktionsschritte

The title compound was prepared by condensing 4-acetyl-benzenesulfonamide (Ex-26A) and 2-(5-formyl-2,4-dimethoxy-phenyl)-indole-1-carboxylic acid tert-butyl ester (Ex-36A) in a similar manner as described in Ex-22. Yellow solid, 40% yield, mp 120–122° C. 1H-NMR (CDCl3) δ 8.01–8.19 (m, 6H), 7.68 (s, 1H), 7.56 (d, J=8 Hz, 1H), 7.46 (d, J=16 Hz, 1H), 7.21–7.35 (m, 2H), 6.53 (d, J=14 Hz, 2H), 5.01 (s, 2H), 4.00 (s, 3H), 3.85 (s, 3H), 1.42 (s, 9H), MS m/z=563 ([M+H]+). HRMS (ES+) Calcd. for C30H30N2O7S: 563.1852. Found: 563.1862.

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