Tetrahydrofuran → HCID 57505761, compound

HRID 1668227Notes

Reaction equation

HRID 1668227 reaction equation
[NH2:1][C:2]1[CH:3]=[C:4]([CH:21]=[CH:22][CH:23]=1)[O:5][C:6]1[CH:7]=[CH:8][C:9]2[N:10]([CH:12]=[C:13]([NH:15][C:16]([CH:18]3[CH2:20][CH2:19]3)=[O:17])[N:14]=2)[N:11]=1.[NH:24]1[C:32]2[C:27](=[CH:28][CH:29]=[CH:30][CH:31]=2)[C:26]([C:33](O)=[O:34])=[N:25]1.C(Cl)(=O)C(Cl)=O.O1CCCC1>CN(C)C=O.CN1CCCC1=O>[CH:18]1([C:16]([NH:15][C:13]2[N:14]=[C:9]3[CH:8]=[CH:7][C:6]([O:5][C:4]4[CH:3]=[C:2]([NH:1][C:33]([C:26]5[C:27]6[C:32](=[CH:31][CH:30]=[CH:29][CH:28]=6)[NH:24][N:25]=5)=[O:34])[CH:23]=[CH:22][CH:21]=4)=[N:11][N:10]3[CH:12]=2)=[O:17])[CH2:20][CH2:19]1

Participants

7

Reactant 4

HCID 8028TetrahydrofuranHCID 65578Oxalyl chlorideHCID 78250Indazole-3-carboxylic acidHCID 57386059N-[6-(3-aminophenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide

Product 1

HCID 57505761HCID 57505761, compoundYield 68%

Reagents, catalysts & solvents 2

HCID 6228DimethylformamideCatalystHCID 13387N-methyl-2-pyrrolidoneSolvent

Procedure

Using N-[6-(3-aminophenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide (150 mg, 0.484 mmol), 1H-indazole-3-carboxylic acid (94 mg, 0.581 mmol), oxalyl chloride (84 μL, 0.969 mmol), N,N-dimethylformamide (1 drop), tetrahydrofuran (5 mL) and N-methylpyrrolidone (5 mL) as starting materials and in the same manner as in Example 412, the title compound (149 mg, 68%) was obtained as a white powder.

Sources & evidence

ORD record
ord-6b42ece962ab465db3713aa11f984127
Source dataset
uspto-grants-2011_10
Patent number
US08044049B2

Reaction notes

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