Tetrahydrofuran → HCID 57505702, compound

HRID 1663970Notes

Reaction equation

HRID 1663970 reaction equation
[C:1]([C:3]1([C:7]2[CH:8]=[C:9]([CH:13]=[CH:14][CH:15]=2)[C:10]([OH:12])=O)[CH2:6][CH2:5][CH2:4]1)#[N:2].C(Cl)(=O)C(Cl)=O.O1CCCC1.[NH2:27][C:28]1[C:29]([F:51])=[CH:30][C:31]([Cl:50])=[C:32]([CH:49]=1)[O:33][C:34]1[CH:35]=[CH:36][C:37]2[N:38]([CH:40]=[C:41]([NH:43][C:44]([CH:46]3[CH2:48][CH2:47]3)=[O:45])[N:42]=2)[N:39]=1>CN(C)C=O.CN1CCCC1=O>[Cl:50][C:31]1[C:32]([O:33][C:34]2[CH:35]=[CH:36][C:37]3[N:38]([CH:40]=[C:41]([NH:43][C:44]([CH:46]4[CH2:47][CH2:48]4)=[O:45])[N:42]=3)[N:39]=2)=[CH:49][C:28]([NH:27][C:10](=[O:12])[C:9]2[CH:13]=[CH:14][CH:15]=[C:7]([C:3]3([C:1]#[N:2])[CH2:4][CH2:5][CH2:6]3)[CH:8]=2)=[C:29]([F:51])[CH:30]=1

Participants

7

Reactant 4

HCID 8028TetrahydrofuranHCID 65578Oxalyl chlorideHCID 574410433-(1-Cyanocyclobutyl)benzoic acidHCID 57505449N-[6-(3-amino-6-chloro-4-fluorophenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide

Product 1

HCID 57505702HCID 57505702, compoundYield 68%

Reagents, catalysts & solvents 2

HCID 6228DimethylformamideCatalystHCID 13387N-methyl-2-pyrrolidoneSolvent

Procedure

Using 3-(1-cyanocyclobutyl)benzoic acid (110 mg, 0.56 mmol), oxalyl chloride (60 μL, 0.70 mmol), N,N-dimethylformamide (1 drop), tetrahydrofuran (3.0 mL), N-[6-(5-amino-2-chloro-4-fluorophenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide (170 mg, 0.46 mmol) and N-methylpyrrolidone (3.0 mL) as starting materials and in the same manner as in Example 335, the title compound (170 mg, 68%) was obtained as a white powder.

Sources & evidence

ORD record
ord-193df93c2bc4473e99b5d79c28d7c421
Source dataset
uspto-grants-2011_10
Patent number
US08034812B2

Reaction notes

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