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2-Fluoro-5-methylbenzoic acid → N-{4-[(2-aminoimidazo[1,2-b]pyridazin-6-yl)ethynyl]phenyl}-2-fluoro-5-methylbenzamide

HRID 589910
ノート
印刷プレビュー

反応式

HRID 589910 の反応式
[NH2:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]#[C:9][C:10]2[CH:11]=[CH:12][C:13]3[N:14]([CH:16]=[C:17]([NH2:19])[N:18]=3)[N:15]=2)=[CH:4][CH:3]=1.[F:20][C:21]1[CH:29]=[CH:28][C:27]([CH3:30])=[CH:26][C:22]=1[C:23](O)=[O:24].Cl.CN(C)CCCN=C=NCC>ClC(Cl)C.CN(C)C1C=CN=CC=1.C(Cl)(Cl)Cl>[NH2:19][C:17]1[N:18]=[C:13]2[CH:12]=[CH:11][C:10]([C:9]#[C:8][C:5]3[CH:6]=[CH:7][C:2]([NH:1][C:23](=[O:24])[C:22]4[CH:26]=[C:27]([CH3:30])[CH:28]=[CH:29][C:21]=4[F:20])=[CH:3][CH:4]=3)=[N:15][N:14]2[CH:16]=1
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

7

反応物 3

HCID 2428292-Fluoro-5-methylbenzoic acidHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 1186384466-[(4-Aminophenyl)ethynyl]imidazo[1,2-b]pyridazin-2-amine

生成物 1

HCID 118638433N-{4-[(2-aminoimidazo[1,2-b]pyridazin-6-yl)ethynyl]phenyl}-2-fluoro-5-methylbenzamide

試薬・触媒・溶媒 3

HCID 14284
4-(Dimethylamino)pyridine
触媒
HCID 6212Chloroform溶媒
HCID 63651,1-Dichloroethane溶媒

反応条件

温度
50 °C

実験手順

To 6-[(4-aminophenyl)ethynyl]imidazo[1,2-b]pyridazin-2-amine, (30 mg, 0.12 mmol, 1 eq) and 2-fluoro-5-methylbenzoic acid (18.5 mg, 1 eq) in anhydrous dichloroethane (1 mL) under nitrogen atmosphere at room temperature was added 4-(dimethylamino)pyridine (2.94 mg, 0.2 eq) and N-(3-dimethylaminopropyl)-N′-ethylcarbodiimide hydrochloride (27.76 mg, 1.2 eq). After the reaction was stirred at 50° C. for 2 hours, it was diluted with chloroform, washed sequentially with aqueous ammonium chloride, saturated aqueous sodium bicarbonate, brine, and lastly dried with anhydrous sodium sulfate. The upper solution was decanted, concentrated, and the solid residue was subject to a gradient column chromatography (from CHCl3 to MeOH—CHCl3 1:25) to yield N-{4-[(2-aminoimidazo[1,2-b]pyridazin-6-yl)ethynyl]phenyl}-2-fluoro-5-methylbenzamide as a yellow solid in amount of 7 mg.

後処理

  1. washwashed sequentially with aqueous ammonium chloride, saturated aqueous sodium bicarbonate, brine
  2. dry with materiallastly dried with anhydrous sodium sulfate
  3. customThe upper solution was decanted
  4. concentrationconcentrated

出典と根拠

ORDレコード
ord-537843567dc94088bfa61cd4ecc89104
出典データセット
uspto-grants-2016_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09233968B1

反応ノート

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