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Diisopropylethylamine → 3,5-Dimethyl-isoxazole-4-sulphonic acid (4-[(4'-difluoromethoxy-biphenyl-4-ylamino)-methyl]-5-methyl-furan-2-carbonyl)-amide

HRID 2266862
Notes
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Reaction equation

HRID 2266862 reaction equation
C(N(C(C)C)CC)(C)C.[F:10][CH:11]([F:36])[O:12][C:13]1[CH:18]=[CH:17][C:16]([C:19]2[CH:24]=[CH:23][C:22]([NH:25][CH2:26][C:27]3[CH:28]=[C:29]([C:33](O)=[O:34])[O:30][C:31]=3[CH3:32])=[CH:21][CH:20]=2)=[CH:15][CH:14]=1.[CH3:37][C:38]1[C:42]([S:43]([NH2:46])(=[O:45])=[O:44])=[C:41]([CH3:47])[O:40][N:39]=1.F[P-](F)(F)(F)(F)F.N1(OC(N(C)C)=[N+](C)C)C2N=CC=CC=2N=N1>CN(C)C=O>[F:10][CH:11]([F:36])[O:12][C:13]1[CH:14]=[CH:15][C:16]([C:19]2[CH:20]=[CH:21][C:22]([NH:25][CH2:26][C:27]3[CH:28]=[C:29]([C:33]([NH:46][S:43]([C:42]4[C:38]([CH3:37])=[N:39][O:40][C:41]=4[CH3:47])(=[O:44])=[O:45])=[O:34])[O:30][C:31]=3[CH3:32])=[CH:23][CH:24]=2)=[CH:17][CH:18]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 81531DiisopropylethylamineHCID 49623033,5-Dimethylisoxazole-4-sulfonamideHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 184445644-(4'-Difluoromethoxy-biphenyl-4-ylaminomethyl)-5-methyl-furan-2-carboxylic acid

Product 1

HCID 58824199
3,5-Dimethyl-isoxazole-4-sulphonic acid (4-[(4'-difluoromethoxy-biphenyl-4-ylamino)-methyl]-5-methyl-furan-2-carbonyl)-amide
Yield 3.7%

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent3×

Procedure

Diisopropylethylamine (60 μL, 0.339 mmoles) and a solution of 4-(4′-difluoromethoxy-biphenyl-4-ylaminomethyl)-5-methyl-furan-2-carboxylic acid (171) (50 mg, 0.103 mmoles) in N,N-dimethylformamide (1.0 ml) were added to a stirred solution of 3,5-dimethyl-isoxazole-4-sulphonic acid amide (55 mg, 0.308 mmoles) in N,N-dimethylformamide (5.0 ml). A solution of O-(7-azabenzotriazol-1-yl)-N,N,N′,N′-tetramethyluronium hexafluorophosphate (46 mg, 0.124 mmoles) in N,N-dimethylformamide (1.0 ml) was added and the mixture was stirred at room temperature for 16 hours. The reaction mixture was concentrated in vacuo and the residue was purified by HPLC to afford compound 174 (2 mg) as a solid. LC/MS System D; Rt=10.35 mins, m/z (ES+)=532 (M+H for C25H23F2N3O6S).

Workup

  1. concentrationThe reaction mixture was concentrated in vacuo
  2. customthe residue was purified by HPLC

Sources & evidence

ORD record
ord-c7dbf24ede324bcea73574b885bc0fc3
Source dataset
uspto-grants-2010_12
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07858644B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes