3-(3-Benzylureido)-1-(4-methoxy-benzenesulfonyl)-2,3,4,7-tetrahydro-1H-azepine-2-carboxylic acid tert-butyl ester → 3-(3-Benzylureido)-1-(4-methoxy-benzenesulfonyl)-2,3,4,7-tetrahydro-1H-azepine-2-carboxylic acid

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Reaction Steps

3-(3-Benzylureido)-1-(4-methoxy-benzenesulfonyl)-2,3,4,7-tetrahydro-1H-azepine-2-carboxylic acid tert-butyl ester (25 mg, 0.05 mmol) is reacted in the same manner as 3-Benzyloxycarbonylamino-1-(4-methoxy-benzenesulfonyl)-2,3,4,7-tetrahydro-1H-azepine-2-carboxylic acid tert-butyl ester and purified by flash-chromatography, Dichloromethane/Methanol (9:1): Cal. 459.5 found (M−H)+ 458.2; 1H NMR (DMSO, 400 MHz), ppm: 7.79 (d, 2H), 7.30 (m, 2H),7.20 (m, 3H) 7.02 (d, 2H), 5.60 (m, 1H), 5.50 (m, 1H) 4.3 (m, 3H), 4.00 (m, 1H), 3.93 (m, 3H), 2.81 (t, 2H),2.35 (m, 2H), 2.05 (m, 2H).

Provenance & Evidence