反応手順
Using general procedure B: Reaction of N-pyridin-2-ylmethyl-4-[(5,6,7,8-tetrahydro-quinolin-8-ylamino)-methyl]-benzenesulfonamide (97 mg, 0.24 mmol), 1-(2-trimethylsilanyl-ethoxymethyl)-1H-benzimidazole-2-carbaldehyde (72 mg, 0.26 mmol), and NaBH(OAc)3 (151 mg, 0.71 mmol) for 1 h at room temperature followed by column chromatography on silica gel (CH2Cl2/MeOH/NH4OH 98:1:1) gave the title compound (63 mg, 50%) as a white foam. 1H NMR (300 MHz, CDCl3) δ 0.00 (s, 9H), 0.77 (dd, 2H, J=7.5, 7.5 Hz), 1.73-1.74 (m, 1H), 1.95-2.06 (m, 2H), 2.20-2.25 (m, 1H), 2.66-2.86 (m, 2H), 3.29-3.35 (m, 2H), 3.78 (d, 1H, J=14.7 Hz), 3.98 (d, 1H, J=14.7 Hz), 4.05 (dd, 1H, J=9.3, 6.3 Hz), 4.13 (d, 2H, J=6.0 Hz), 4.18 (brs, 2H), 5.70 (d, 1H, J=12.0 Hz), 5.98 (d, 1H, J=12.0 Hz), 7.06-7.10 (m, 2H), 7.13-7.18 (m, 3H), 7.31-7.36 (m, 2H), 7.43 (d, 2H, J=8.1 Hz), 7.52-7.66 (m, 4H), 8.42 (d, 1H, J=4.8 Hz), 8.52 (d, 1H, J=4.5 Hz).
