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p-Fluorobenzoic acid 2-isopropylhydrazide → HCID 86711453, compound

HRID 1401103
Notes
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Reaction equation

HRID 1401103 reaction equation
[CH2:1]([N:6]1[C:14]2[C:9](=[CH:10][CH:11]=[CH:12][CH:13]=2)[C:8](/[CH:15]=[CH:16]/[C:17]([OH:19])=O)=[CH:7]1)[CH2:2][CH:3]([CH3:5])[CH3:4].[F:20][C:21]1[CH:33]=[CH:32][C:24]([C:25]([NH:27][NH:28][CH:29]([CH3:31])[CH3:30])=[O:26])=[CH:23][CH:22]=1.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.C(N(CC)C(C)C)(C)C>CN(C=O)C.CCOC(C)=O>[F:20][C:21]1[CH:33]=[CH:32][C:24]([C:25]([NH:27][N:28]([C:17](=[O:19])/[CH:16]=[CH:15]/[C:8]2[C:9]3[C:14](=[CH:13][CH:12]=[CH:11][CH:10]=3)[N:6]([CH2:1][CH2:2][CH:3]([CH3:4])[CH3:5])[CH:7]=2)[CH:29]([CH3:30])[CH3:31])=[O:26])=[CH:23][CH:22]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 18030p-Fluorobenzoic acid 2-isopropylhydrazideHCID 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 86711443HCID 86711443, compound

Product 1

HCID 86711453HCID 86711453, compound

Reagents, catalysts & solvents

2
HCID 6228DimethylformamideSolventHCID 8857Ethyl AcetateSolvent

Procedure

To solution containing (E)-3-(1-isopentyl-1H-indol-3-yl)acrylic acid (170 mg, 0.66 mmol), 4-fluoro-N′-isopropylbenzohydrazide (194.3 mg, 0.99 mmol) and HATU (376.4 mg, 0.99 mmol) dissolved in DMF (3.0 ml), N,N-diisopropylethylamine (DIPEA)(0.17 ml, 0.99 mmol) was slowly drop-wise added and stirred at room temperature for 12 hr. The reaction mixture was diluted with EtOAc, washed with water and brine, dried with anhydrous MgSO4, filtered, and concentrated under reduced pressure. The residue was separated through silica gel chromatography (30% EtOAc) for refinement and dried so that ivory (E)-4-fluoro-N′-(3-(1-isopentyl-1H-indol-3-yl)acryloyl)-N′-isopropylbenzohydrazide was obtained (160.0 mg, 55.7%).

Workup

  1. washwashed with water and brine
  2. dry with materialdried with anhydrous MgSO4
  3. filtrationfiltered
  4. concentrationconcentrated under reduced pressure
  5. customThe residue was separated through silica gel chromatography (30% EtOAc) for refinement
  6. dry with materialdried so that ivory (E)-4-fluoro-N′-(3-(1-isopentyl-1H-indol-3-yl)acryloyl)-N′-isopropylbenzohydrazide
  7. customwas obtained (160.0 mg, 55.7%)

Sources & evidence

ORD record
ord-6cc0841ff9d84d668d6b2b862c4f8d5a
Source dataset
uspto-grants-2014_12
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08906952B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes