Diisopropylethylamine → [(S)-1-(6-Fluoro-1-phenyl-1H-benzoimidazol-2-yl)ethyl]-[9-(tetrahydropyran-2-yl)-9H-purin-6-yl]amine

HRID 242871

Reaction equation

HRID 242871 reaction equation
Cl.Cl.[F:3][C:4]1[CH:5]=[CH:6][C:7]2[N:11]=[C:10]([C@@H:12]([NH2:14])[CH3:13])[N:9]([C:15]3[CH:20]=[CH:19][CH:18]=[CH:17][CH:16]=3)[C:8]=2[CH:21]=1.Cl[C:23]1[N:31]=[CH:30][N:29]=[C:28]2[C:24]=1[N:25]=[CH:26][N:27]2[CH:32]1[CH2:37][CH2:36][CH2:35][CH2:34][O:33]1.CCN(C(C)C)C(C)C>CC(O)C>[F:3][C:4]1[CH:5]=[CH:6][C:7]2[N:11]=[C:10]([C@@H:12]([NH:14][C:23]3[N:31]=[CH:30][N:29]=[C:28]4[C:24]=3[N:25]=[CH:26][N:27]4[CH:32]3[CH2:37][CH2:36][CH2:35][CH2:34][O:33]3)[CH3:13])[N:9]([C:15]3[CH:16]=[CH:17][CH:18]=[CH:19][CH:20]=3)[C:8]=2[CH:21]=1

Participants

5

Reactant 3

HCID 81531DiisopropylethylamineHCID 977406-chloro-9-(tetrahydro-2H-pyran-2-yl)-9H-purineHCID 68157580(S)-1-(6-Fluoro-1-phenyl-1H-benzoimidazol-2-yl)ethylamine dihydrochloride

Product 1

HCID 68157440[(S)-1-(6-Fluoro-1-phenyl-1H-benzoimidazol-2-yl)ethyl]-[9-(tetrahydropyran-2-yl)-9H-purin-6-yl]amineYield 70%

Reagents, catalysts & solvents 1

HCID 3776IsopropanolSolvent

Conditions

Temperature
80 °C

Procedure

To a solution of (S)-1-(6-fluoro-1-phenyl-1H-benzoimidazol-2-yl)ethylamine dihydrochloride (30.7 g, 93.7 mmol) in IPA (300 mL) was added 6-chloro-9-(tetrahydropyran-2-yl)-9H-purine (26.9 g, 112.5 mmol) and DIPEA (48 mL, 281.2 mmol) and the reaction mixture heated at 80° C. for 16 h. The reaction mixture was concentrated in vacuo and the residue dissolved in EtOAc (600 mL). The solution was washed with water and the organic fraction separated. The organic fraction was washed with brine, dried (MgSO4) and concentrated in vacuo. The resultant residue was subjected to flash chromatography (SiO2, eluting with 0-10% methanol in EtOAc) to yield the title compound as a yellow oil (30 g, 70%) 1H NMR 400 MHz (CDCl3) δ 8.25 (1H, s), 7.96 (1H, s), 7.70 (1H, qn, J=4.1 Hz), 7.37-7.58 (5H, m), 6.98-6.82 (1H, m), 6.52-6.66 (1H, m), 5.60-5.77 (2H, m), 4.12-4.19 (1H, m), 3.76 (1H, td, J 11.3, 2.5 Hz), 1.91-2.13 (4H, m), 1.68-1.84 (2H, m), 1.60-1.68 (3H, m)

Workup

  1. concentrationThe reaction mixture was concentrated in vacuo
  2. dissolutionthe residue dissolved in EtOAc (600 mL)
  3. washThe solution was washed with water
  4. customthe organic fraction separated
  5. washThe organic fraction was washed with brine
  6. dry with materialdried (MgSO4)
  7. concentrationconcentrated in vacuo
  8. washThe resultant residue was subjected to flash chromatography (SiO2, eluting with 0-10% methanol in EtOAc)

Sources & evidence

ORD record
ord-9191c66092ee494e99e319879d9194a2
Source dataset
uspto-grants-2014_02
Patent number
US08653089B2

Linked notes

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