Tetrahydrofuran → HCID 57505710, compound

HRID 1663977Notes

Reaction equation

HRID 1663977 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[CH:29]=[CH:30][C:31]([O:50][CH3:51])=[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>[C:1]([C:3]1([C:7]2[CH:8]=[C:9]([CH:13]=[CH:14][CH:15]=2)[C:10]([NH:27][C:28]2[CH:29]=[CH:30][C:31]([O:50][CH3:51])=[C:32]([O:33][C:34]3[CH:35]=[CH:36][C:37]4[N:38]([CH:40]=[C:41]([NH:43][C:44]([CH:46]5[CH2:48][CH2:47]5)=[O:45])[N:42]=4)[N:39]=3)[CH:49]=2)=[O:12])[CH2:4][CH2:5][CH2:6]1)#[N:2]

Participants

7

Reactant 4

HCID 8028TetrahydrofuranHCID 65578Oxalyl chlorideHCID 574410433-(1-Cyanocyclobutyl)benzoic acidHCID 57505485N-[6-(5-amino-2-methoxyphenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide

Product 1

HCID 57505710HCID 57505710, compoundYield 74%

Reagents, catalysts & solvents 2

HCID 6228DimethylformamideCatalystHCID 13387N-methyl-2-pyrrolidoneSolvent

Procedure

Using 3-(1-cyanocyclobutyl)benzoic acid (43 mg, 0.21 mmol), oxalyl chloride (23 μL, 0.27 mmol), N,N-dimethylformamide (1 drop), tetrahydrofuran (2.0 mL), N-[6-(5-amino-2-methoxyphenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide (60 mg, 0.18 mmol) and N-methylpyrrolidone (2.0 mL) as starting materials and in the same manner as in Example 335, the title compound (68 mg, 74%) was obtained as a white powder.

Sources & evidence

ORD record
ord-f996723d25c140999317b38a39978b63
Source dataset
uspto-grants-2011_10
Patent number
US08034812B2

Reaction notes

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