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Diisopropylethylamine → 3-{1-[(2-fluoro-5-methylphenyl)acetyl]-2,3-dihydro-1H-indol-5-yl}furo[3,2-c]pyridin-4-amine

HRID 1909991
Notes
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Reaction equation

HRID 1909991 reaction equation
[NH:1]1[C:9]2[C:4](=[CH:5][C:6]([C:10]3[C:14]4[C:15]([NH2:19])=[N:16][CH:17]=[CH:18][C:13]=4[O:12][CH:11]=3)=[CH:7][CH:8]=2)[CH2:3][CH2:2]1.[F:20][C:21]1[CH:26]=[CH:25][C:24]([CH3:27])=[CH:23][C:22]=1[CH2:28][C:29](O)=[O:30].CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.CCN(C(C)C)C(C)C>CN(C)C=O.O>[F:20][C:21]1[CH:26]=[CH:25][C:24]([CH3:27])=[CH:23][C:22]=1[CH2:28][C:29]([N:1]1[C:9]2[C:4](=[CH:5][C:6]([C:10]3[C:14]4[C:15]([NH2:19])=[N:16][CH:17]=[CH:18][C:13]=4[O:12][CH:11]=3)=[CH:7][CH:8]=2)[CH2:3][CH2:2]1)=[O:30]
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 177506752-(2-Fluoro-5-methylphenyl)acetic acidHCID 668234823-(2,3-dihydro-1H-indol-5-yl)furo[3,2-c]pyridin-4-amine

Product 1

HCID 66823889
3-{1-[(2-fluoro-5-methylphenyl)acetyl]-2,3-dihydro-1H-indol-5-yl}furo[3,2-c]pyridin-4-amine
Yield 94%

Reagents, catalysts & solvents 2

HCID 962WaterSolventHCID 6228DimethylformamideSolvent

Procedure

A mixture of 3-(2,3-dihydro-1H-indol-5-yl)furo[3,2-c]pyridin-4-amine (150 mg, 0.440 mmol), 2-fluoro-5-methylphenylacetic acid (78 mg, 0.464 mmol), HATU (185 mg, 0.487 mmol), and Hunig's base (0.31 mL, 1.775 mmol) in N,N-Dimethylformamide (DMF) (3 mL) was stirred at room temperature for 4 days. Water (10 mL) was added, the mixture was stirred for about an hour, and the precipitate was collected by vacuum filtration. The solid was dried in the vacuum oven overnight to give 3-{1-[(2-fluoro-5-methylphenyl)acetyl]-2,3-dihydro-1H-indol-5-yl}furo[3,2-c]pyridin-4-amine (174 mg, 0.412 mmol, 94% yield) as a beige solid. LC/MS (ES) m/z=402 [M+H]+. 1H NMR (400 MHz, DMSO-d6) δ 2.29 (s, 3H), 3.27 (t, J=8.34 Hz, 2H), 3.89 (s, 2H), 4.29 (t, J=8.46 Hz, 2H), 5.53 (s, 2H), 6.93 (d, J=6.06 Hz, 1H), 7.03-7.18 (m, 3H), 7.30 (d, J=8.08 Hz, 1H), 7.40 (s, 1H), 7.86 (d, J=5.81 Hz, 1H), 7.92 (s, 1H), 8.13 (d, J=8.08 Hz, 1H).

Workup

  1. stirringthe mixture was stirred for about an hour
  2. filtrationthe precipitate was collected by vacuum filtration
  3. customThe solid was dried in the vacuum oven overnight

Sources & evidence

ORD record
ord-7bb72c189b6640f884d6e9e76b0cfd93
Source dataset
uspto-grants-2013_12
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08598156B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes