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

HRID 1663742Notes

Reaction equation

HRID 1663742 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

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-furancarboxamideYield 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-293d3e6514c24febab6236794c35dabd
Source dataset
uspto-grants-2011_10
Patent number
US08034812B2

Reaction notes

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