2-Aminobenzimidazole → {4-[(1H-Benzimidazol-2-ylamino)-methyl]-benzyl}-(1H-benzimidazol-2-ylmethyl)-(5,6,7,8-tetrahydro-quinolin-8-yl)-amine

HRID 7183

Reaction equation

HRID 7183 reaction equation
[NH:1]1[C:5]2[CH:6]=[CH:7][CH:8]=[CH:9][C:4]=2[N:3]=[C:2]1[CH2:10][N:11]([CH2:22][C:23]1[CH:30]=[CH:29][C:26]([CH:27]=O)=[CH:25][CH:24]=1)[CH:12]1[C:21]2[N:20]=[CH:19][CH:18]=[CH:17][C:16]=2[CH2:15][CH2:14][CH2:13]1.[NH2:31][C:32]1[NH:33][C:34]2[CH:40]=[CH:39][CH:38]=[CH:37][C:35]=2[N:36]=1.[BH3-]C#N.[Na+]>CO>[NH:33]1[C:34]2[CH:40]=[CH:39][CH:38]=[CH:37][C:35]=2[N:36]=[C:32]1[NH:31][CH2:27][C:26]1[CH:29]=[CH:30][C:23]([CH2:22][N:11]([CH2:10][C:2]2[NH:3][C:4]3[CH:9]=[CH:8][CH:7]=[CH:6][C:5]=3[N:1]=2)[CH:12]2[C:21]3[N:20]=[CH:19][CH:18]=[CH:17][C:16]=3[CH2:15][CH2:14][CH2:13]2)=[CH:24][CH:25]=1

Participants

5

Reactant 3

HCID 136242-AminobenzimidazoleHCID 5003444Sodium cyanoborohydrideHCID 219849824-{[(1H-benzimidazol-2-ylmethyl)-(5,6,7,8-tetrahydro-quinolin-8-yl)-amino]-methyl}-benzaldehyde

Product 1

HCID 22018650{4-[(1H-Benzimidazol-2-ylamino)-methyl]-benzyl}-(1H-benzimidazol-2-ylmethyl)-(5,6,7,8-tetrahydro-quinolin-8-yl)-amine

Reagents, catalysts & solvents 1

HCID 887MethanolSolvent

Procedure

Using General Procedure A: To a stirred solution of 4-{[(1H-benzimidazol-2-ylmethyl)-(5,6,7,8-tetrahydro-quinolin-8-yl)-amino]-methyl}-benzaldehyde (140 mg, 0.34 mmol) and 2-aminobenzimidazole (45 mg, 0.0.34 mmol) in MeOH (4 mL) was added NaBH3CN (64 mg, 1.1 mmol) and the mixture was stirred at room temperature for 20 hours. Purification of the crude yellow foam by column chromatography on silica gel (200:1:1—EtOAc:MeOH:NH4OH) followed by radial chromatography on silica gel (100:1:1—CH2Cl2:MeOH:NH4OH) afforded AMD9693 (26 mg, 15%) as a white solid. 1H NMR (CDCl3) δ 1.57–1.74 (m, 1H), 1.87–2.05 (m, 2H), 2.10–2.20 (m, 1H), 2.63–2.75 (m, 1H), 2.75–2.90 (m, 1H), 3.54 (s, 2H), 3.86 (d, 1H, J=16.8 Hz), 4.03–4.16 (m, 2H), 4.24–4.35 (m, 2H), 5.44 (br s, 1H), 6.88–6.91 (m, 4H), 7.10–7.19 (m, 7H), 7.42 (d, 1H, J=7.5 Hz), 7.54 (br s, 2H), 8.65 (d, 1H, J=4.2 Hz); 13C NMR (CDCl3) δ 21.16, 24.26, 29.10, 46.66, 48.40, 53.29, 60.62, 111.39 (br), 118.11 (br), 120.13, 121.81, 122.37, 127.22, 128.57, 133.86, 134.79, 137.41, 138.17, 143.78, 146.67, 155.56, 156.41, 157.20. ES-MS m/z 514.4 (M+H). Anal. Cald. for C32H31N7.0.8CH2Cl2.0.4C4H8O2: C, 66.98; H, 5.85; N, 15.90. Found: C, 67.14; H, 5.66; N, 15.87.

Workup

  1. customPurification of the crude yellow foam by column chromatography on silica gel (200:1:1—EtOAc:MeOH:NH4OH)
  2. customafforded AMD9693 (26 mg, 15%) as a white solid

Sources & evidence

ORD record
ord-1bf96c7fefb149cc8ee915c4ce2cbeca
Source dataset
uspto-grants-2006_08
Patent number
US07084155B2

Linked notes

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