Triethylamine → 6-chloro-N-[6-(3-{[3-(1-cyanocyclopropyl)benzoyl]amino}phenoxy)imidazo[1,2-b]pyridazin-2-yl]nicotinamide

HRID 1668215Notes

Reaction equation

HRID 1668215 reaction equation
[NH2:1][C:2]1[N:3]=[C:4]2[CH:9]=[CH:8][C:7]([O:10][C:11]3[CH:12]=[C:13]([NH:17][C:18](=[O:30])[C:19]4[CH:24]=[CH:23][CH:22]=[C:21]([C:25]5([C:28]#[N:29])[CH2:27][CH2:26]5)[CH:20]=4)[CH:14]=[CH:15][CH:16]=3)=[N:6][N:5]2[CH:31]=1.[Cl:32][C:33]1[CH:41]=[CH:40][C:36]([C:37](Cl)=[O:38])=[CH:35][N:34]=1.C(N(CC)CC)C>O1CCCC1>[Cl:32][C:33]1[CH:41]=[CH:40][C:36]([C:37]([NH:1][C:2]2[N:3]=[C:4]3[CH:9]=[CH:8][C:7]([O:10][C:11]4[CH:16]=[CH:15][CH:14]=[C:13]([NH:17][C:18](=[O:30])[C:19]5[CH:24]=[CH:23][CH:22]=[C:21]([C:25]6([C:28]#[N:29])[CH2:27][CH2:26]6)[CH:20]=5)[CH:12]=4)=[N:6][N:5]3[CH:31]=2)=[O:38])=[CH:35][N:34]=1

Participants

5

Reactant 3

HCID 8471TriethylamineHCID 27821656-Chloronicotinoyl ChlorideHCID 57505749N-{3-[(2-aminoimidazo[1,2-b]pyridazin-6-yl)oxy]phenyl}-3-(1-cyanocyclopropyl)benzamide

Product 1

HCID 575057506-chloro-N-[6-(3-{[3-(1-cyanocyclopropyl)benzoyl]amino}phenoxy)imidazo[1,2-b]pyridazin-2-yl]nicotinamideYield 75.3%

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Procedure

Using N-{3-[(2-aminoimidazo[1,2-b]pyridazin-6-yl)oxy]phenyl}-3-(1-cyanocyclopropyl)benzamide (120 mg, 0.292 mmol), 6-chloronicotinoyl chloride (61 mg, 0.350 mmol), triethylamine (62 μL, 0.438 mmol) and tetrahydrofuran (5 mL) as starting materials and in the same manner as in Example 385, the title compound (121 mg, 75%) was obtained as a white powder.

Sources & evidence

ORD record
ord-094355b36787403e81f036dfbf83e473
Source dataset
uspto-grants-2011_10
Patent number
US08044049B2

Reaction notes

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