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Benzotriazol-1-yloxy-tris(dimethylamino)phosphonium hexafluorophosphate → N-(2-(2-tert-butylphenoxy)pyridin-3-yl)-1H-benzo[d]imidazole-2-carboxamide

HRID 1160235
Notes
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Reaction equation

HRID 1160235 reaction equation
[C:1]([C:5]1[CH:20]=[CH:19][CH:18]=[CH:17][C:6]=1[O:7][C:8]1[C:13]([N:14]=[C:15]=[O:16])=[CH:12][CH:11]=[CH:10][N:9]=1)([CH3:4])([CH3:3])[CH3:2].[NH:21]1[C:25]2[CH:26]=[CH:27][CH:28]=[CH:29][C:24]=2[N:23]=[C:22]1C(O)=O.F[P-](F)(F)(F)(F)F.N1(O[P+](N(C)C)(N(C)C)N(C)C)C2C=CC=CC=2N=N1>CN(C=O)C>[C:1]([C:5]1[CH:20]=[CH:19][CH:18]=[CH:17][C:6]=1[O:7][C:8]1[C:13]([NH:14][C:15]([C:22]2[NH:23][C:24]3[CH:29]=[CH:28][CH:27]=[CH:26][C:25]=3[N:21]=2)=[O:16])=[CH:12][CH:11]=[CH:10][N:9]=1)([CH3:4])([CH3:2])[CH3:3]
ParticipantsProcedureSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 151348Benzotriazol-1-yloxy-tris(dimethylamino)phosphonium hexafluorophosphateHCID 2332402-Benzimidazolecarboxylic acidHCID 574233152-(2-tert-Butylphenoxy)-3-isocyanatopyridine

Product 1

HCID 67026836N-(2-(2-tert-butylphenoxy)pyridin-3-yl)-1H-benzo[d]imidazole-2-carboxamide

Reagents, catalysts & solvents 1

HCID 6228
Dimethylformamide
Solvent

Procedure

A mixture of 2-(2-tert-butylphenoxy)pyridin-3-amine (1a) (80 mg, 0.33 mmol), 1H-benzo[d]imidazole-2-carboxylic acid (54 mg, 0.33 mmol) and BOP (172 mg, 0.39 mmol) in DMF was stirred at rt for 3 days. LC-MS showed only a small amount of the desired product. The reaction was diluted with EtOAc (15 mL), washed with 1 N HCl solution, saturated sodium bicarbonate solution and brine, dried over magnesium sulfate, filtered and evaporated to give the crude product. Purification of the crude product by reverse phase preparative HPLC provided Example 71 (12 mg) as a yellow solid. LC-MS m/z 387.2 [M+H]+.

Sources & evidence

ORD record
ord-1a096fd2004941f7bf6cacb2fac0e086
Source dataset
uspto-grants-2010_10
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07816382B2

Reaction notes

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On this pageParticipantsProcedureSources & evidenceReaction notes