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Triethylamine → N-[3-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)phenyl]-5-methyl-2-(trifluoromethyl)-3-furancarboxamide

HRID 2391239
Notes
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Reaction equation

HRID 2391239 reaction equation
[CH3:1][C:2]1[O:6][C:5]([C:7]([F:10])([F:9])[F:8])=[C:4]([C:11]([OH:13])=O)[CH:3]=1.C(Cl)(=O)C(Cl)=O.[NH2:20][C:21]1[CH:22]=[C:23]([CH:40]=[CH:41][CH:42]=1)[O:24][C:25]1[CH:26]=[CH:27][C:28]2[N:29]([CH:31]=[C:32]([NH:34][C:35]([CH:37]3[CH2:39][CH2:38]3)=[O:36])[N:33]=2)[N:30]=1.C(N(CC)CC)C>CN(C)C=O.O1CCCC1>[CH:37]1([C:35]([NH:34][C:32]2[N:33]=[C:28]3[CH:27]=[CH:26][C:25]([O:24][C:23]4[CH:22]=[C:21]([NH:20][C:11]([C:4]5[CH:3]=[C:2]([CH3:1])[O:6][C:5]=5[C:7]([F:8])([F:9])[F:10])=[O:13])[CH:42]=[CH:41][CH:40]=4)=[N:30][N:29]3[CH:31]=2)=[O:36])[CH2:38][CH2:39]1
ParticipantsProcedureSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 8471TriethylamineHCID 65578Oxalyl chlorideHCID 27821835-Methyl-2-(trifluoromethyl)-3-furancarboxylic acidHCID 57386059N-[6-(3-aminophenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide

Product 1

HCID 57505502N-[3-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)phenyl]-5-methyl-2-(trifluoromethyl)-3-furancarboxamide
Yield 58.1%

Reagents, catalysts & solvents 2

HCID 6228DimethylformamideCatalystHCID 8028TetrahydrofuranSolvent

Procedure

Using 5-methyl-2-(trifluoromethyl)-3-furancarboxylic acid (133.6 mg, 0.668 mmol), N,N-dimethylformamide (1 drop), oxalyl chloride (75 μL, 0.868 mmol), N-[6-(3-aminophenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide (159 mg, 0.514 mmol), triethylamine (156 mg, 1.54 mmol) and tetrahydrofuran (15 mL) as starting materials and in the same manner as in Example 109, the title compound (145 mg, 58%) was obtained as a white powder.

Sources & evidence

ORD record
ord-cb74deb4d3af4615a6684991377b348e
Source dataset
uspto-grants-2012_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08273741B2

Reaction notes

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On this pageParticipantsProcedureSources & evidenceReaction notes