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Trifluoroacetic acid → 6-(2-((1R,3S,5R)-2-azabicyclo[3.1.0]hexan-3-yl)-1H-benzo[d]imidazol-6-yl)-2-(2-((1R,3S,5R)-2-azabicyclo[3.1.0]hexan-3-yl)-1H-imidazol-5-yl)quinoxaline

HRID 625612
Notes
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Reaction equation

HRID 625612 reaction equation
[C:1]([OH:7])([C:3]([F:6])([F:5])[F:4])=[O:2].C(OC([N:15]1[C@H:20]([C:21]2[NH:25][C:24]3[CH:26]=[C:27]([C:30]4[CH:31]=[C:32]5[C:37](=[CH:38][CH:39]=4)[N:36]=[C:35]([C:40]4[NH:44][C:43]([C@@H:45]6[CH2:50][C@@H:49]7[C@@H:47]([CH2:48]7)[N:46]6C(OC(C)(C)C)=O)=[N:42][CH:41]=4)[CH:34]=[N:33]5)[CH:28]=[CH:29][C:23]=3[N:22]=2)[CH2:19][C@@H:18]2[C@H:16]1[CH2:17]2)=O)(C)(C)C>C(Cl)Cl>[C:1]([OH:7])([C:3]([F:6])([F:5])[F:4])=[O:2].[C@@H:16]12[CH2:17][C@@H:18]1[CH2:19][C@@H:20]([C:21]1[NH:25][C:24]3[CH:26]=[C:27]([C:30]4[CH:31]=[C:32]5[C:37](=[CH:38][CH:39]=4)[N:36]=[C:35]([C:40]4[NH:44][C:43]([C@@H:45]6[CH2:50][C@@H:49]7[C@@H:47]([CH2:48]7)[NH:46]6)=[N:42][CH:41]=4)[CH:34]=[N:33]5)[CH:28]=[CH:29][C:23]=3[N:22]=1)[NH:15]2
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 2

HCID 6422Trifluoroacetic acidHCID 66981900(1R,3S,5R)-tert-butyl 3-(5-(6-(2-((1R,3S,5R)-2-(tert-butoxycarbonyl)-2-azabicyclo[3.1.0]hexan-3-yl)-1H-benzo[d]imidazol-6-yl)quinoxalin-2-yl)-1H-imidazol-2-yl)-2-azabicyclo[3.1.0]hexane-2-carboxylate

Product 2

HCID 6422Trifluoroacetic acidHCID 669818746-(2-((1R,3S,5R)-2-azabicyclo[3.1.0]hexan-3-yl)-1H-benzo[d]imidazol-6-yl)-2-(2-((1R,3S,5R)-2-azabicyclo[3.1.0]hexan-3-yl)-1H-imidazol-5-yl)quinoxaline
Yield 147.5%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

TFA (0.25 mL, 3.24 mmol) was added to a solution of (1R,3S,5R)-tert-butyl 3-(5-(6-(2-((1R,3S,5R)-2-(tert-butoxycarbonyl)-2-azabicyclo[3.1.0]hexan-3-yl)-1H-benzo[d]imidazol-6-yl)quinoxalin-2-yl)-1H-imidazol-2-yl)-2-azabicyclo[3.1.0]hexane-2-carboxylate (10 mg, 0.015 mmol) in DCM (0.5 mL) and the mixture was stirred at rt for 16 h. The volatiles were removed under vacuum and the residue was triturated with Et2O. The resulting solid was rinsed with Et2O to yield a TFA salt of 6-(2-((1R,3S,5R)-2-azabicyclo[3.1.0]hexan-3-yl)-1H-benzo[d]imidazol-6-yl)-2-(2-((1R,3S,5R)-2-azabicyclo[3.1.0]hexan-3-yl)-1H-imidazol-5-yl)quinoxaline (10.5 mg) as yellow solid. LC-MS retention time 1.32 min; m/z 475 [M+H]+. (Column PHENOMENEX® Luna 3.0×50 mm S10. Solvent A=90% water: 10% methanol: 0.1% TFA. Solvent B=10% water: 90% methanol: 0.1% TFA. Flow Rate=4 mL/min. Start % B=0. Final % B=100. Gradient Time=3 min. Wavelength=220).

Workup

  1. customThe volatiles were removed under vacuum
  2. customthe residue was triturated with Et2O
  3. washThe resulting solid was rinsed with Et2O

Sources & evidence

ORD record
ord-79961df200a84746ab68e003ec414de5
Source dataset
uspto-grants-2016_04
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09303007B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes