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Dimethylamine → N-[3-({2-[(N,N-dimethylglycyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)phenyl]-3-(trifluoromethyl)benzamide

HRID 2391516
Notes
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Reaction equation

HRID 2391516 reaction equation
Cl[CH2:2][C:3]([NH:5][C:6]1[N:7]=[C:8]2[CH:13]=[CH:12][C:11]([O:14][C:15]3[CH:16]=[C:17]([NH:21][C:22](=[O:33])[C:23]4[CH:28]=[CH:27][CH:26]=[C:25]([C:29]([F:32])([F:31])[F:30])[CH:24]=4)[CH:18]=[CH:19][CH:20]=3)=[N:10][N:9]2[CH:34]=1)=[O:4].[CH3:35][NH:36][CH3:37].C(=O)([O-])O.[Na+]>C(#N)C>[CH3:35][N:36]([CH3:37])[CH2:2][C:3]([NH:5][C:6]1[N:7]=[C:8]2[CH:13]=[CH:12][C:11]([O:14][C:15]3[CH:16]=[C:17]([NH:21][C:22](=[O:33])[C:23]4[CH:28]=[CH:27][CH:26]=[C:25]([C:29]([F:32])([F:31])[F:30])[CH:24]=4)[CH:18]=[CH:19][CH:20]=3)=[N:10][N:9]2[CH:34]=1)=[O:4]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 674DimethylamineHCID 516892Sodium BicarbonateHCID 57505744N-[3-({2-[(chloroacetyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)phenyl]-3-(trifluoromethyl)benzamide

Product 1

HCID 24767995N-[3-({2-[(N,N-dimethylglycyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)phenyl]-3-(trifluoromethyl)benzamideYield 70%

Reagents, catalysts & solvents 1

HCID 6342
Acetonitrile
Solvent

Conditions

Temperature
80 °C

Procedure

A mixture of N-[3-({2-[(chloroacetyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)phenyl]-3-(trifluoromethyl)benzamide (120 mg, 0.244 mmol), aqueous dimethylamine (3 mL) solution and acetonitrile (3 mL) was heated to 80° C. and stirred for 3 hr. After the reaction mixture was allowed to cool to room temperature, saturated aqueous sodium hydrogencarbonate solution was added to the reaction mixture, and the mixture was extracted with ethyl acetate. The extract was washed with saturated brine, dried over anhydrous magnesium sulfate, and filtrated. The solvent was evaporated under reduced pressure, and the residue was washed with ethanol to give the title compound (85 mg, 70%) as a pale-yellow powder.

Workup

  1. temperatureto cool to room temperature
  2. extractionthe mixture was extracted with ethyl acetate
  3. washThe extract was washed with saturated brine
  4. dry with materialdried over anhydrous magnesium sulfate
  5. filtrationfiltrated
  6. customThe solvent was evaporated under reduced pressure
  7. washthe residue was washed with ethanol

Sources & evidence

ORD record
ord-b748702785ec41959c29a6cac4dc4ed7
Source dataset
uspto-grants-2012_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08273741B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes