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Sodium triacetoxyborohydride → n-(3-Chloro-5-(trifluoromethyl)-2-pyridinylmethyl)-n'-(1h-benzimidazol-2-ylmethyl)-n'-(5,6,7,8-tetrahydro-8-quinolinyl)-1,4-benzenedimethanamine

HRID 7158
Notes
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Reaction equation

HRID 7158 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]([CH:21]1[C:30]2[N:29]=[CH:28][CH:27]=[CH:26][C:25]=2[CH2:24][CH2:23][CH2:22]1)[CH2:12][C:13]1[CH:18]=[CH:17][C:16]([CH2:19][NH2:20])=[CH:15][CH:14]=1.[Cl:31][C:32]1[C:33]([CH:42]=O)=[N:34][CH:35]=[C:36]([C:38]([F:41])([F:40])[F:39])[CH:37]=1.[BH-](OC(C)=O)(OC(C)=O)OC(C)=O.[Na+]>C(Cl)Cl>[Cl:31][C:32]1[C:33]([CH2:42][NH:20][CH2:19][C:16]2[CH:15]=[CH:14][C:13]([CH2:12][N:11]([CH2:10][C:2]3[NH:3][C:4]4[CH:9]=[CH:8][CH:7]=[CH:6][C:5]=4[N:1]=3)[CH:21]3[C:30]4[N:29]=[CH:28][CH:27]=[CH:26][C:25]=4[CH2:24][CH2:23][CH2:22]3)=[CH:18][CH:17]=2)=[N:34][CH:35]=[C:36]([C:38]([F:40])([F:39])[F:41])[CH:37]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 5049666Sodium triacetoxyborohydrideHCID 21985008N-[(1H-Benzo[d]imidazol-2-yl)methyl]-N-(4-(aminomethyl)-benzyl)-5,6,7,8-tetrahydroquinolin-8-amineHCID 220187903-Chloro-5-(trifluoromethyl)picolinaldehyde

Product 1

HCID 22018690n-(3-Chloro-5-(trifluoromethyl)-2-pyridinylmethyl)-n'-(1h-benzimidazol-2-ylmethyl)-n'-(5,6,7,8-tetrahydro-8-quinolinyl)-1,4-benzenedimethanamineYield 26%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

Using General Procedure B: To a stirred solution of N′-(1H-benzimidazol-2-ylmethyl)-N′-(5,6,7,8-tetrahydro-8-quinolinyl)-1,4-benzenedimethanamine (133 mg, 0.34 mmol) and 3-chloro-5-(trifluoromethyl)-pyridine-2-carboxaldehyde (66 mg, 0.32 mmol) in CH2Cl2 (5 mL) was added NaBH(OAc)3 (93 mg, 0.44 mmol) and the mixture was stirred at room temperature for 16 h. Purification of the crude material by radial chromatography on silica gel (1 mm plate, CH2Cl2/MeOH/NH4OH, 75:1:1) afforded the desired amine (48 mg, 26%) as a yellow foam.

Workup

  1. customPurification of the crude material by radial chromatography on silica gel (1 mm plate, CH2Cl2/MeOH/NH4OH, 75:1:1)

Sources & evidence

ORD record
ord-a6b46ff1aa0f44429113e55ed89eb2bc
Source dataset
uspto-grants-2006_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07084155B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes