Methyl 4-(bromomethyl)benzoate → cis-4-[[(2-Carbamoyl-cycloheptyl)-(4-chlorobenzenesulfonyl)-amino]-methyl]-benzoic acid methyl ester

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The titled compound (321 mg) was prepared in 28% yield from cis-2-(4-chlorobenzenesulfonylamino)-cycloheptanecarboxylic acid amide (800 mg, 2.42 mmol) and methyl 4-(bromomethyl)benzoate according to the N-alkylation procedure described in Example 11: 1H NMR (DMSO-d6) δ 7.83 (m, 4 H), 7.65 (d, 2 H,J=8.0 Hz), 7.45 (d, 2 H, J=12.0 Hz), 7.31 (s br, 1 H), 6.64 (s br, 1 H), 4.60 (AB2,2 H,Δv=16,Jab=92 Hz), 3.96 (m, 1 H), 3.85 (m, 3 H), 2.78 (m, 1 H), 2.28 (m, 1 H), 1.72 (m, 2 H), 1.35 (m, 7 H); MS m/e 479.12 (M+H)+.

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