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Diisopropylethylamine → HCID 90416572, compound

HRID 576171
Notes
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Reaction equation

HRID 576171 reaction equation
[Br:1][C:2]1[CH:7]=[CH:6][C:5]([CH2:8][C:9]([OH:11])=O)=[C:4]([F:12])[CH:3]=1.[CH2:13]([O:15][C:16]1[N:21]=[CH:20][C:19]([NH2:22])=[CH:18][C:17]=1[C:23]([F:26])([F:25])[F:24])[CH3:14].CCN(C(C)C)C(C)C.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F>C(Cl)Cl.O>[Br:1][C:2]1[CH:7]=[CH:6][C:5]([CH2:8][C:9]([NH:22][C:19]2[CH:20]=[N:21][C:16]([O:15][CH2:13][CH3:14])=[C:17]([C:23]([F:24])([F:25])[F:26])[CH:18]=2)=[O:11])=[C:4]([F:12])[CH:3]=1
ParticipantsConditionsProcedureWorkupSources & 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 140537922-(4-Bromo-2-fluorophenyl)acetic acidHCID 90416701HCID 90416701, compound

Product 1

HCID 90416572HCID 90416572, compoundYield 59.1%

Reagents, catalysts & solvents 2

HCID 962WaterSolventHCID 6344DichloromethaneSolvent

Conditions

Temperature
25 °C

Procedure

To a mixture of 2-(4-bromo-2-fluorophenyl)acetic acid (90 mg, 0.386 mmol) in DCM (10 mL) was added 6-ethoxy-5-(trifluoromethyl)pyridin-3-amine (88 mg, 0.425 mmol), DIEA (0.135 mL, 0.772 mmol) and HATU (220 mg, 0.579 mmol). The mixture was stirred at 25° C. for 16 h. The mixture was diluted with H2O and extracted with DCM. The combined organic extract was washed with brine, dried over MgSO4, filtered and concentrated. The crude material was purified by preparative TLC (PE/EA=1:1, Rf=0.6) to yield a light yellow oil of 2-(4-bromo-2-fluorophenyl)-N-(6-ethoxy-5-(trifluoromethyl)pyridin-3-yl)acetamide (120 mg, 0.228 mmol, 59.0% yield): 1H NMR (400 MHz, CD3OD) δ 8.49 (d, J=2.0 Hz, 1H), 8.27 (d, J=2.5 Hz, 1H), 7.39-7.34 (m, 3H), 4.47 (m, 2H), 1.21 (t, J=6.5 Hz, 3H); ES-LCMS m/z 421.0 (M+H).

Workup

  1. extractionextracted with DCM
  2. extractionThe combined organic extract
  3. washwas washed with brine
  4. dry with materialdried over MgSO4
  5. filtrationfiltered
  6. concentrationconcentrated
  7. customThe crude material was purified by preparative TLC (PE/EA=1:1, Rf=0.6)

Sources & evidence

ORD record
ord-dcca0596caa544c6866d5d00563b4ac0
Source dataset
uspto-grants-2015_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09035063B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes