1-(4-Methoxy-benzenesulfonyl)-3-(phenylmethanesulfonyl amino)-2,3,4,7-tetrahydro-1H-azepine-2-carboxylic acid tert-butyl ester → 1-(4-Methoxy-benzenesulfonyl)-3-(phenylmethanesulfonylamino)-2,3,4,7-tetrahydro-1H-azepine-2-carboxylic acid

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Reaction Steps

1-(4-Methoxy-benzenesulfonyl)-3-(phenylmethanesulfonyl amino)-2,3,4,7-tetrahydro-1H-azepine-2-carboxylic acid tert-butyl ester (29 mg, 0.054 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: Cal. 479.5 found (M−H)+ 478.6. Cal. 498.6, found (MNH4)+ 498.1; 1H NMR (DMSO, 400 MHz), ppm: 7.85 (d, 2H), 7.38 (m, 5H) 7.01 (d, 2H), 5.5 (m, 2H) 4.45 (d, 2H), 4.30 (d, 2H), 4.15 (m, 2H), 4.00 (m, 1H), 3.90 (dd, 1H), 3.83 (s, 3H), 2.18 (m, 2H).

Provenance & Evidence