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

HRID 2391483Notes

Reaction equation

HRID 2391483 reaction equation
[CH:1]1([C:4]([NH:6][C:7]2[N:8]=[C:9]3[CH:14]=[CH:13][C:12]([O:15][C:16]4[CH:17]=[C:18]([CH:22]=[CH:23][CH:24]=4)[C:19](O)=[O:20])=[N:11][N:10]3[CH:25]=2)=[O:5])[CH2:3][CH2:2]1.C(Cl)(=O)C(Cl)=O.O1CCCC1.[F:37][C:38]([F:47])([F:46])[C:39]1[CH:40]=[C:41]([CH:43]=[CH:44][CH:45]=1)[NH2:42]>CN(C)C=O.CN1CCCC1=O>[CH:1]1([C:4]([NH:6][C:7]2[N:8]=[C:9]3[CH:14]=[CH:13][C:12]([O:15][C:16]4[CH:17]=[C:18]([CH:22]=[CH:23][CH:24]=4)[C:19]([NH:42][C:41]4[CH:43]=[CH:44][CH:45]=[C:39]([C:38]([F:37])([F:46])[F:47])[CH:40]=4)=[O:20])=[N:11][N:10]3[CH:25]=2)=[O:5])[CH2:3][CH2:2]1

Participants

7

Reactant 4

HCID 73753-(Trifluoromethyl)anilineHCID 8028TetrahydrofuranHCID 65578Oxalyl chlorideHCID 575054813-({2-[(Cyclopropylcarbonyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)benzoic acid

Product 1

HCID 575057183-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)-N-[3-(trifluoromethyl)phenyl]benzamideYield 9%

Reagents, catalysts & solvents 2

HCID 6228DimethylformamideCatalystHCID 13387N-methyl-2-pyrrolidoneSolvent

Procedure

Using 3-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)benzoic acid (100 mg, 0.30 mmol), oxalyl chloride (100 μL, 1.2 mmol), N,N-dimethylformamide (1 drop), tetrahydrofuran (2.0 mL), 3-(trifluoromethyl)aniline (80 mg, 0.48 mmol) and N-methylpyrrolidone (1.0 mL) as starting materials and in the same manner as in Example 335, the title compound (13 mg, 8.9%) was obtained as a pale-yellow powder.

Sources & evidence

ORD record
ord-9a7cf22d32844ff0aeaae12814c2058c
Source dataset
uspto-grants-2012_09
Patent number
US08273741B2

Reaction notes

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