Dimethylformamide → N-[5-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)-2-methylphenyl]-1-methyl-1H-pyrrole-2-carboxamide

HRID 1663843Notes

Reaction equation

HRID 1663843 reaction equation
[CH3:1][N:2]1[CH:6]=[CH:5][CH:4]=[C:3]1[C:7]([OH:9])=O.CN(C)C=O.C(Cl)(=O)C(Cl)=O.[NH2:21][C:22]1[CH:23]=[C:24]([CH:41]=[CH:42][C:43]=1[CH3:44])[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>CN(C)C(=O)C.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:41]=[CH:42][C:43]([CH3:44])=[C:22]([NH:21][C:7]([C:3]5[N:2]([CH3:1])[CH:6]=[CH:5][CH:4]=5)=[O:9])[CH:23]=4)=[N:31][N:30]3[CH:32]=2)=[O:37])[CH2:39][CH2:40]1

Participants

7

Reactant 4

HCID 6228DimethylformamideHCID 65578Oxalyl chlorideHCID 814531-Methyl-2-pyrrolecarboxylic acidHCID 57505476N-[6-(3-amino-4-methylphenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide

Product 1

HCID 57505581N-[5-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)-2-methylphenyl]-1-methyl-1H-pyrrole-2-carboxamideYield 6%

Reagents, catalysts & solvents 2

HCID 8028TetrahydrofuranSolventHCID 31374DimethylacetamideSolvent

Procedure

Using 1-methyl-1H-pyrrole-2-carboxylic acid (93 mg, 0.74 mmol), tetrahydrofuran (4.0 mL), N,N-dimethylformamide (30 μL, 0.39 mmol), oxalyl chloride (135 μL, 1.48 mmol), N-[6-(3-amino-4-methylphenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide (200 mg, 0.62 mmol) and N,N-dimethylacetamide (4.0 mL), and in the same manner as in Example 119, the title compound (15 mg, 6%) was obtained as a white powder.

Sources & evidence

ORD record
ord-8d1a19d1a47d43be9a8967e490cdb792
Source dataset
uspto-grants-2011_10
Patent number
US08034812B2

Reaction notes

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