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

HRID 2391242Notes

Reaction equation

HRID 2391242 reaction equation
[CH3:1][C:2]1[CH:6]=[C:5]([C:7]([OH:9])=O)[N:4]([CH2:10][C:11]([F:14])([F:13])[F:12])[N:3]=1.C(Cl)(=O)C(Cl)=O.[NH2:21][C:22]1[CH:23]=[C:24]([CH:41]=[CH:42][CH:43]=1)[O:25][C:26]1[CH:27]=[CH:28][C:29]2[N:30]([CH:32]=[C:33]([NH:35][C:36]([CH:38]3[CH2:40][CH2:39]3)=[O:37])[N:34]=2)[N:31]=1.C(N(CC)CC)C>CN(C)C=O.O1CCCC1>[CH:38]1([C:36]([NH:35][C:33]2[N:34]=[C:29]3[CH:28]=[CH:27][C:26]([O:25][C:24]4[CH:23]=[C:22]([NH:21][C:7]([C:5]5[N:4]([CH2:10][C:11]([F:14])([F:13])[F:12])[N:3]=[C:2]([CH3:1])[CH:6]=5)=[O:9])[CH:43]=[CH:42][CH:41]=4)=[N:31][N:30]3[CH:32]=2)=[O:37])[CH2:39][CH2:40]1

Participants

7

Reactant 4

HCID 8471TriethylamineHCID 65578Oxalyl chlorideHCID 133384343-Methyl-1-(2,2,2-trifluoroethyl)-1H-pyrazole-5-carboxylic acidHCID 57386059N-[6-(3-aminophenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide

Product 1

HCID 57505504N-[3-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)phenyl]-3-methyl-1-(2,2,2-trifluoroethyl)-1H-pyrazole-5-carboxamideYield 87.1%

Reagents, catalysts & solvents 2

HCID 6228DimethylformamideCatalystHCID 8028TetrahydrofuranSolvent

Procedure

Using 3-methyl-1-(2,2,2-trifluoroethyl)-1H-pyrazole-5-carboxylic acid (175 mg, 0.84 mmol), N,N-dimethylformamide (1 drop), oxalyl chloride (91 μL, 1.01 mmol), N-[6-(3-aminophenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide (200 mg, 0.646 mmol), triethylamine (196 mg, 1.94 mmol) and tetrahydrofuran (15 mL) as starting materials and in the same manner as in Example 109, the title compound (281 mg, 87%) was obtained as a white powder.

Sources & evidence

ORD record
ord-6b24ace0348f4930bf32c1f182acbf0f
Source dataset
uspto-grants-2012_09
Patent number
US08273741B2

Reaction notes

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