Tetrahydrofuran → N-[3-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)-4-methoxyphenyl]-3-(trifluoromethoxy)benzamide

HRID 2391477Notes

Reaction equation

HRID 2391477 reaction equation
[F:1][C:2]([F:14])([F:13])[O:3][C:4]1[CH:5]=[C:6]([CH:10]=[CH:11][CH:12]=1)[C:7]([OH:9])=O.C(Cl)(=O)C(Cl)=O.O1CCCC1.[NH2:26][C:27]1[CH:28]=[CH:29][C:30]([O:49][CH3:50])=[C:31]([CH:48]=1)[O:32][C:33]1[CH:34]=[CH:35][C:36]2[N:37]([CH:39]=[C:40]([NH:42][C:43]([CH:45]3[CH2:47][CH2:46]3)=[O:44])[N:41]=2)[N:38]=1>CN(C)C=O.CN1CCCC1=O>[CH:45]1([C:43]([NH:42][C:40]2[N:41]=[C:36]3[CH:35]=[CH:34][C:33]([O:32][C:31]4[CH:48]=[C:27]([NH:26][C:7](=[O:9])[C:6]5[CH:10]=[CH:11][CH:12]=[C:4]([O:3][C:2]([F:1])([F:14])[F:13])[CH:5]=5)[CH:28]=[CH:29][C:30]=4[O:49][CH3:50])=[N:38][N:37]3[CH:39]=2)=[O:44])[CH2:46][CH2:47]1

Participants

7

Reactant 4

HCID 8028TetrahydrofuranHCID 65578Oxalyl chlorideHCID 660963-(Trifluoromethoxy)benzoic acidHCID 57505485N-[6-(5-amino-2-methoxyphenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide

Product 1

HCID 57505713N-[3-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)-4-methoxyphenyl]-3-(trifluoromethoxy)benzamideYield 54%

Reagents, catalysts & solvents 2

HCID 6228DimethylformamideCatalystHCID 13387N-methyl-2-pyrrolidoneSolvent

Procedure

Using 3-(trifluoromethoxy)benzoic acid (120 mg, 0.58 mmol), oxalyl chloride (60 μL, 0.68 mmol), N,N-dimethylformamide (1 drop), tetrahydrofuran (3.0 mL), N-[6-(5-amino-2-methoxyphenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide (150 mg, 0.49 mmol) and N-methylpyrrolidone (2.0 mL) as starting materials and in the same manner as in Example 335, the title compound (130 mg, 54%) was obtained as a white powder.

Sources & evidence

ORD record
ord-d85d8ab1d0e64bc1ad9cf1a54ddd6f75
Source dataset
uspto-grants-2012_09
Patent number
US08273741B2

Reaction notes

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