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Trifluoroacetic acid → 1-[4-methoxy-7-(3-methyl-1,2,4-triazol-1-yl)-1H-pyrrolo[2,3-c]pyridin-3-yl]-2-[4-[(1-methylimidazol-4-yl)-phenyl-methylene]-1-piperidyl]ethane-1,2-dione

HRID 606767
Notes
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Reaction equation

HRID 606767 reaction equation
C(O[C:6]([N:8]1[CH2:13][CH2:12][C:11](=[C:14]([C:21]2[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=2)[C:15]2[N:16]=[CH:17][N:18]([CH3:20])[CH:19]=2)[CH2:10][CH2:9]1)=[O:7])(C)(C)C.C(O)(C(F)(F)F)=O.Cl.[CH3:35][O:36][C:37]1[CH:45]=[N:44][C:43]([N:46]2[CH:50]=[N:49][C:48]([CH3:51])=[N:47]2)=[C:42]2[C:38]=1[C:39]([C:52](=[O:56])C(O)=O)=[CH:40][NH:41]2.C(N(CC)CC)(C)C.C1N(P(Cl)(N2C(=O)OCC2)=O)C(=O)OC1>C(Cl)Cl>[C:21]1([C:14](=[C:11]2[CH2:12][CH2:13][N:8]([C:6](=[O:7])[C:52]([C:39]3[C:38]4[C:42](=[C:43]([N:46]5[CH:50]=[N:49][C:48]([CH3:51])=[N:47]5)[N:44]=[CH:45][C:37]=4[O:36][CH3:35])[NH:41][CH:40]=3)=[O:56])[CH2:9][CH2:10]2)[C:15]2[N:16]=[CH:17][N:18]([CH3:20])[CH:19]=2)[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 5

HCID 6422Trifluoroacetic acidHCID 152842Bis(2-oxo-3-oxazolidinyl)phosphinic chlorideHCID 521913N,N-Diethyl-2-propanamineHCID 670462534-Methoxy-7-(3-methyl-1,2,4-triazol-1-yl)-6-azaindol-3-yl-oxoacetic acid hydrochloride saltHCID 670463994-[1-Phenyl-1-(1-methylimidazol-4-yl)methylene]piperidine-1-carboxylic acid tert-butyl ester

Product 1

HCID 52799431-[4-methoxy-7-(3-methyl-1,2,4-triazol-1-yl)-1H-pyrrolo[2,3-c]pyridin-3-yl]-2-[4-[(1-methylimidazol-4-yl)-phenyl-methylene]-1-piperidyl]ethane-1,2-dioneYield 51.2%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

To solution of 4-[1-phenyl-1-(1-methylimidazol-4-yl)methylene]piperidine-1-carboxylic acid tert-butyl ester (0.0477 g, 0.0775 mmol) in CH2Cl2 (3 mL) was added TFA (0.3 mL) and the solution was allowed to stir at rt for 30 min. The solvent was then removed in vacuo and the material was dissolved in CHCl3. To this solution was added 4-methoxy-7-(3-methyl-1,2,4-triazol-1-yl)-6-azaindol-3-yl-oxoacetic acid hydrochloride salt (0.0258 g, 0.0764 mmol) and iPrNEt2 (0.024 mL, 1.38 mmol), followed by BOP-Cl (0.0271 g, 0.106 mmol). The mixture was allowed to stir at rt for 2 h and then the solvent was removed in vacuo and the residue was partitioned with H2O-EtOAc. The aqueous phase was re-extracted with EtOAc (×2) and the combined organic layers were washed (H2O, brine), dried (Na2SO4) and evaporated. The resulting residue was purified by preparative HPLC (NH4OAc) to give the title compound (0.0210 g, 50%) as a colorless solid:

Workup

  1. customThe solvent was then removed in vacuo
  2. dissolutionthe material was dissolved in CHCl3
  3. stirringto stir at rt for 2 h
  4. customthe solvent was removed in vacuo
  5. customthe residue was partitioned with H2O-EtOAc
  6. extractionThe aqueous phase was re-extracted with EtOAc (×2)
  7. washthe combined organic layers were washed (H2O, brine)
  8. dry with materialdried (Na2SO4)
  9. customevaporated
  10. customThe resulting residue was purified by preparative HPLC (NH4OAc)

Sources & evidence

ORD record
ord-bc87ac6000f847b1bb96aabe600b4063
Source dataset
uspto-grants-2011_03
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07915283B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes