1-Hydroxybenzotriazole → HCID 57505681, compound

HRID 1668137Notes

Reaction equation

HRID 1668137 reaction equation
[NH2:1][C:2]1[CH:3]=[C:4]([CH:21]=[CH:22][CH:23]=1)[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.[CH3:24][S:25]([C:28]1[S:32][C:31]([C:33](O)=[O:34])=[CH:30][CH:29]=1)(=[O:27])=[O:26].Cl.CN(C)CCCN=C=NCC.ON1C2C=CC=CC=2N=N1>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:33]([C:31]5[S:32][C:28]([S:25]([CH3:24])(=[O:27])=[O:26])=[CH:29][CH:30]=5)=[O:34])[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 27404975-Methanesulfonylthiophene-2-carboxylic acidHCID 57386059N-[6-(3-aminophenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide

Product 1

HCID 57505681HCID 57505681, compoundYield 26%

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

Using N-[6-(3-aminophenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide (100 mg, 0.32 mmol), 5-(methylsulfonyl)thiophene-2-carboxylic acid (47 mg, 0.33 mmol), N-[3-(dimethylamino)propyl]-N′-ethylcarbodiimide hydrochloride (65 mg, 0.34 mmol), 1-hydroxybenzotriazole (46 mg, 0.34 mmol) and N,N-dimethylformamide (5.0 mL) as starting materials and in the same manner as in Example 318, the title compound (41 mg, 26%) was obtained as a white powder.

Sources & evidence

ORD record
ord-7089214a4fe845d7b83536e3d072b6c1
Source dataset
uspto-grants-2011_10
Patent number
US08044049B2

Reaction notes

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