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Diisopropylethylamine → HCID 178523262, compound

HRID 1918775
Notes
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Reaction equation

HRID 1918775 reaction equation
Cl.[NH:2]1[C:10]2[C:5](=[CH:6][CH:7]=[CH:8][CH:9]=2)[C:4]([CH2:11][CH2:12][NH2:13])=[N:3]1.[F:14][C:15]1[CH:29]=[CH:28][C:27]([F:30])=[CH:26][C:16]=1[CH2:17][C:18]1[O:22][N:21]=[C:20]([C:23](O)=[O:24])[CH:19]=1.C(N(CC)C(C)C)(C)C.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F>CN(C=O)C.C(OCC)(=O)C>[NH:2]1[C:10]2[C:5](=[CH:6][CH:7]=[CH:8][CH:9]=2)[C:4]([CH2:11][CH2:12][NH:13][C:23]([C:20]2[CH:19]=[C:18]([CH2:17][C:16]3[CH:26]=[C:27]([F:30])[CH:28]=[CH:29][C:15]=3[F:14])[O:22][N:21]=2)=[O:24])=[N:3]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 668320395-(2,5-Difluorobenzyl)isoxazole-3-carboxylic acidHCID 178479205HCID 178479205, compound

Product 1

HCID 178523262HCID 178523262, compound
Yield 9.1%

Reagents, catalysts & solvents 2

HCID 6228DimethylformamideSolventHCID 8857Ethyl AcetateSolvent

Procedure

A mixture of 2-(1H-indazol-3-yl)ethanamine hydrochloride (0.040 g; 0.202 mmol), 5-(2,5-difluorobenzyl)isoxazole-3-carboxylic acid (0.053 g; 0.223 mmol) N,N-diisopropylethylamine (0.87 mL; 0.506 mmol) and HATU (0.84 g; 0.223 mmol) in DMF (5 mL) was stirred at room temperature for 18 hours. The reaction mixture was diluted with ethyl acetate and washed with sodium hydrogen sulphate, sodium carbonate and brine. The organic layer was dried and concentrated under reduced pressure. The crude material was purified by flash chromatography on silica (eluent 1 to 10% methanol in dichloromethane) and by preparative HPLC method 4 to yield 0.007 g (9%) of the title compound as a white solid.

Workup

  1. washwashed with sodium hydrogen sulphate, sodium carbonate and brine
  2. customThe organic layer was dried
  3. concentrationconcentrated under reduced pressure
  4. customThe crude material was purified by flash chromatography on silica (eluent 1 to 10% methanol in dichloromethane) and by preparative HPLC method 4

Sources & evidence

ORD record
ord-3d87f2642eb0411a82273cd499c0576e
Source dataset
uspto-grants-2013_12
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08618138B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes