Tetrahydrofuran → HCID 57505727, compound

HRID 2391493Notes

Reaction equation

HRID 2391493 reaction equation
[C:1]([C:3]([C:6]1[CH:7]=[C:8]([CH:12]=[CH:13][CH:14]=1)[C:9]([OH:11])=O)([CH3:5])[CH3:4])#[N:2].C(Cl)(=O)C(Cl)=O.O1CCCC1.[NH2:26][C:27]1[CH:28]=[CH:29][C:30]([Br:49])=[C:31]([CH:48]=1)[O:32][C:33]1[CH:34]=[CH:35][C:36]2[N:37]([CH:39]=[C:40]([NH:42][C:43]([CH:45]3[CH2:47][CH2:46]3)=[O:44])[N:41]=2)[N:38]=1>CN(C)C=O.CN(C)C(=O)C>[Br:49][C:30]1[CH:29]=[CH:28][C:27]([NH:26][C:9](=[O:11])[C:8]2[CH:12]=[CH:13][CH:14]=[C:6]([C:3]([C:1]#[N:2])([CH3:4])[CH3:5])[CH:7]=2)=[CH:48][C:31]=1[O:32][C:33]1[CH:34]=[CH:35][C:36]2[N:37]([CH:39]=[C:40]([NH:42][C:43]([CH:45]3[CH2:46][CH2:47]3)=[O:44])[N:41]=2)[N:38]=1

Participants

7

Reactant 4

HCID 8028TetrahydrofuranHCID 65578Oxalyl chlorideHCID 571495383-(2-Cyanopropan-2-yl)benzoic acidHCID 57505726HCID 57505726, compound

Product 1

HCID 57505727HCID 57505727, compoundYield 85%

Reagents, catalysts & solvents 2

HCID 6228DimethylformamideCatalystHCID 31374DimethylacetamideSolvent

Procedure

Using 3-(1-cyano-1-methylethyl)benzoic acid (330 mg, 1.8 mmol), oxalyl chloride (170 μL, 2.0 mmol), N,N-dimethylformamide (1 drop), tetrahydrofuran (15 mL), N-[6-(5-amino-2-bromophenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide (650 mg, 1.7 mmol) and N,N-dimethylacetamide (5.0 mL) as starting materials and in the same manner as in Example 335, the title compound (800 mg, 85%) was obtained as a white powder.

Sources & evidence

ORD record
ord-f480bf08948e4bceb0c5f55a10c1e9f3
Source dataset
uspto-grants-2012_09
Patent number
US08273741B2

Reaction notes

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