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Hydrochloric Acid → 1-{[1-(Biphenyl-3-ylmethyl)-5-(quinolin-2-ylmethoxy)-1H-benzimidazol-2-yl]methyl}cyclopentanecarboxylic acid

HRID 2178451
Notes
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Reaction equation

HRID 2178451 reaction equation
[C:1]1([C:39]2[CH:44]=[CH:43][CH:42]=[CH:41][CH:40]=2)[CH:6]=[CH:5][CH:4]=[C:3]([CH2:7][N:8]2[C:12]3[CH:13]=[CH:14][C:15]([O:17][CH2:18][C:19]4[CH:28]=[CH:27][C:26]5[C:21](=[CH:22][CH:23]=[CH:24][CH:25]=5)[N:20]=4)=[CH:16][C:11]=3[N:10]=[C:9]2[CH2:29][C:30]2([C:35]([O:37]C)=[O:36])[CH2:34][CH2:33][CH2:32][CH2:31]2)[CH:2]=1.C1COCC1.[Li+].[OH-].Cl>C(Cl)Cl.O.CO>[C:1]1([C:39]2[CH:40]=[CH:41][CH:42]=[CH:43][CH:44]=2)[CH:6]=[CH:5][CH:4]=[C:3]([CH2:7][N:8]2[C:12]3[CH:13]=[CH:14][C:15]([O:17][CH2:18][C:19]4[CH:28]=[CH:27][C:26]5[C:21](=[CH:22][CH:23]=[CH:24][CH:25]=5)[N:20]=4)=[CH:16][C:11]=3[N:10]=[C:9]2[CH2:29][C:30]2([C:35]([OH:37])=[O:36])[CH2:34][CH2:33][CH2:32][CH2:31]2)[CH:2]=1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

8

Reactant 4

HCID 313Hydrochloric AcidHCID 3939Lithium HydroxideHCID 8028TetrahydrofuranHCID 90415001methyl 1-((1-([1,1'-biphenyl]-3-ylmethyl)-5-(quinolin-2-ylmethoxy)-1H-benzo[d]imidazol-2-yl)methyl)cyclopentane-carboxylate

Product 1

HCID 862826061-{[1-(Biphenyl-3-ylmethyl)-5-(quinolin-2-ylmethoxy)-1H-benzimidazol-2-yl]methyl}cyclopentanecarboxylic acid

Reagents, catalysts & solvents 3

HCID 887MethanolSolventHCID 962WaterSolventHCID 6344DichloromethaneSolvent

Conditions

Temperature
80 °C

Procedure

To a 20 mL vial were added methyl 1-((1-([1,1′-biphenyl]-3-ylmethyl)-5-(quinolin-2-ylmethoxy)-1H-benzo[d]imidazol-2-yl)methyl)cyclopentane-carboxylate (51.4 mg, 0.08 mmol), THF (1 mL) and MeOH (1 mL) followed by with LiOH (1 mL, 1 M). The reaction mixture was capped and heated to 80° C. for 3 h. The mixture was cooled to RT, water (5 mL) was added and the pH was adjusted to 4 using 1 M HCl. To the mixture was added DCM (5 mL) and the mixture was stirred for 1 h at RT. The organic layer was separated then concentrated to dryness. The resulting residue was purified using FCC to provide the title compound. MS (ESI): mass calcd. for C37H33N3O3, 567.25; m/z found, 568.1 [M+H]+. 1H NMR (500 MHz, CDCl3) δ 8.19 (d, J=8.6, 1H), 8.11 (d, J=8.1, 1H), 7.83 (d, J=8.3, 1H), 7.77-7.71 (m, 1H), 7.69 (d, J=8.6, 1H) 7.58-7.51 (m, 2H), 7.49-7.33 (m, 7H), 7.29 (s, 1H), 7.25-7.22 (m, 1H), 7.11-7.06 (m, 1H), 6.96 (d, J=7.6, 1H), 5.44 (s, 2H), 5.37 (s, 2H), 3.09 (s, 2H), 2.41-2.33 (m, 2H), 1.71-1.63 (m, 2H), 1.47-1.36 (m, 4H).

Workup

  1. customThe reaction mixture was capped
  2. temperatureThe mixture was cooled to RT
  3. customThe organic layer was separated
  4. concentrationthen concentrated to dryness
  5. customThe resulting residue was purified

Sources & evidence

ORD record
ord-fff7fb8fd5884859bc6b6f09d47c7906
Source dataset
uspto-grants-2015_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09067917B2

Reaction notes

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