1-Hydroxybenzotriazole → HCID 57505453, compound

HRID 2391184Notes

Reaction equation

HRID 2391184 reaction equation
[NH2:1][C:2]1[CH:3]=[C:4]([CH:21]=[CH:22][C:23]=1Cl)[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.[F:25][C:26]([F:37])([F:36])[C:27]1[CH:28]=[C:29]([CH:33]=[CH:34][N:35]=1)[C:30](O)=[O:31].ON1C2C=CC=CC=2N=N1.Cl.C(N=C=NCCCN(C)C)C>CN(C)C=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:30](=[O:31])[C:29]5[CH:33]=[CH:34][N:35]=[C:27]([C:26]([F:37])([F:25])[F:36])[CH:28]=5)[CH:23]=[CH:22][CH:21]=4)=[N:11][N:10]3[CH:12]=2)=[O:17])[CH2:20][CH2:19]1

Participants

6

Reactant 4

HCID 757711-HydroxybenzotriazoleHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 147614472-(Trifluoromethyl)pyridine-4-carboxylic acidHCID 57505452N-[6-(3-amino-4-chlorophenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide

Product 1

HCID 57505453HCID 57505453, compoundYield 71%

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

Using N-[6-(3-amino-4-chlorophenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide (103 mg, 0.30 mmol), 2-(trifluoromethyl)isonicotinic acid (86 mg, 0.45 mmol), 1-hydroxybenzotriazole (61 mg, 0.45 mmol), 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride (86 mg, 0.45 mmol) and N,N-dimethylformamide (3.0 mL) as starting materials and in the same manner as in Example 106, the title compound (102 mg, 71%) was obtained as a light blue powder.

Sources & evidence

ORD record
ord-3962e0b117d743eb920a42cfd72ec333
Source dataset
uspto-grants-2012_09
Patent number
US08273741B2

Reaction notes

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