Dimethylformamide → N-[2-chloro-5-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)phenyl]-2,4-dimethyl-1,3-thiazole-5-carboxamide

HRID 2391373Notes

Reaction equation

HRID 2391373 reaction equation
[CH3:1][C:2]1[S:3][C:4]([C:8]([OH:10])=O)=[C:5]([CH3:7])[N:6]=1.CN(C)C=O.C(Cl)(=O)C(Cl)=O.[NH2:22][C:23]1[CH:24]=[C:25]([CH:42]=[CH:43][C:44]=1[Cl:45])[O:26][C:27]1[CH:28]=[CH:29][C:30]2[N:31]([CH:33]=[C:34]([NH:36][C:37]([CH:39]3[CH2:41][CH2:40]3)=[O:38])[N:35]=2)[N:32]=1>CN(C)C(=O)C.O1CCCC1>[Cl:45][C:44]1[CH:43]=[CH:42][C:25]([O:26][C:27]2[CH:28]=[CH:29][C:30]3[N:31]([CH:33]=[C:34]([NH:36][C:37]([CH:39]4[CH2:41][CH2:40]4)=[O:38])[N:35]=3)[N:32]=2)=[CH:24][C:23]=1[NH:22][C:8]([C:4]1[S:3][C:2]([CH3:1])=[N:6][C:5]=1[CH3:7])=[O:10]

Participants

7

Reactant 4

HCID 6228DimethylformamideHCID 65578Oxalyl chlorideHCID 736488Dimethyl-1,3-thiazole-5-carboxylic acidHCID 57505452N-[6-(3-amino-4-chlorophenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide

Product 1

HCID 57505612N-[2-chloro-5-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)phenyl]-2,4-dimethyl-1,3-thiazole-5-carboxamideYield 49%

Reagents, catalysts & solvents 2

HCID 8028TetrahydrofuranSolventHCID 31374DimethylacetamideSolvent

Procedure

Using 2,4-dimethyl-1,3-thiazole-5-carboxylic acid (192 mg, 1.22 mmol), tetrahydrofuran (4.5 mL), N,N-dimethylformamide (30 μL, 0.39 mmol), oxalyl chloride (107 μL, 1.22 mmol), N-[6-(3-amino-4-chlorophenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide (300 mg, 0.87 mmol) and N,N-dimethylacetamide (6.0 mL), and in the same manner as in Example 249, the title compound (206 mg, 49%) was obtained as a white powder.

Sources & evidence

ORD record
ord-586ba148c1714dc88f87a06fb491c1d7
Source dataset
uspto-grants-2012_09
Patent number
US08273741B2

Reaction notes

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