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Potassium Carbonate → 4-(((6-Methoxy-2-(6-methylimidazo[1,2-b]pyridazin-2-yl)benzofuran-4-yl)oxy)methyl)-2-phenylthiazole

HRID 625135
ノート
印刷プレビュー

反応式

HRID 625135 の反応式
[CH3:1][O:2][C:3]1[CH:4]=[C:5]2[O:9][C:8]([C:10]3[N:11]=[C:12]4[CH:17]=[CH:16][C:15]([CH3:18])=[N:14][N:13]4[CH:19]=3)=[CH:7][C:6]2=[C:20]([OH:22])[CH:21]=1.Br[CH2:24][C:25]1[N:26]=[C:27]([C:30]2[CH:35]=[CH:34][CH:33]=[CH:32][CH:31]=2)[S:28][CH:29]=1.C(=O)([O-])[O-].[K+].[K+]>CN(C=O)C.C(Cl)Cl>[CH3:1][O:2][C:3]1[CH:21]=[C:20]([O:22][CH2:24][C:25]2[N:26]=[C:27]([C:30]3[CH:31]=[CH:32][CH:33]=[CH:34][CH:35]=3)[S:28][CH:29]=2)[C:6]2[CH:7]=[C:8]([C:10]3[N:11]=[C:12]4[CH:17]=[CH:16][C:15]([CH3:18])=[N:14][N:13]4[CH:19]=3)[O:9][C:5]=2[CH:4]=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

6

反応物 3

HCID 11430Potassium CarbonateHCID 665984924-(Bromomethyl)-2-phenylthiazoleHCID 867009166-Methoxy-2-(6-methylimidazo[1,2-b]pyridazin-2-yl)benzofuran-4-ol

生成物 1

HCID 867009184-(((6-Methoxy-2-(6-methylimidazo[1,2-b]pyridazin-2-yl)benzofuran-4-yl)oxy)methyl)-2-phenylthiazole収率 66%

試薬・触媒・溶媒 2

HCID 6228Dimethylformamide
溶媒
HCID 6344Dichloromethane溶媒

反応条件

温度
22 °C

実験手順

In a 100 mL round-bottom flask, a suspension of 6-methoxy-2-(6-methylimidazo[1,2-b]pyridazin-2-yl)benzofuran-4-ol (Example 39B, 0.190 g, 0.643 mmol) and 4-(bromomethyl)-2-phenylthiazole (Table of bromides, 0.180 g, 0.708 mmol) in DMF (5 mL) was purged under vacuum and N2 for 10 min. The reaction was treated with potassium carbonate (0.24 g, 1.737 mmol) and stirred at 22° C. for 18 hours, then diluted with DCM and washed with water (1×), brine (1×). The organic layers were dried over anhydrous magnesium sulfate, filtered and concentrated. The residue was purified by silica gel chromatography (2.5×10 cm, 0% to 50% EtOAc in CH2Cl2) to give the impure title material (0.198 g, 66%). The solid was triturated in hot ethyl acetate to provide the pure title material (0.176 g). LC (Method A): 2.414 min. HRMS (ESI) calcd for C26H21N4O3S [M+H]+ m/z 469.1329, found 469.1379. 1H NMR (CDCl3, 400 MHz) δ ppm: 2.57 (s, 3H), 3.84 (s, 3H), 5.39 (s, 2H), 6.46 (d, J=1.96 Hz, 1H), 6.74 (broad d, 1H), 6.91 (d, J=9.1 Hz, 1H), 7.34 (s, 1H), 7.36 (s, 1H), 7.39-7.46 (m, 3H), 7.80 (d, J=9.1 Hz, 1H), 7.90-8.0 (m, 2H), 8.19 (s, 1H).

後処理

  1. customwas purged under vacuum and N2 for 10 min
  2. washwashed with water (1×), brine (1×)
  3. dry with materialThe organic layers were dried over anhydrous magnesium sulfate
  4. filtrationfiltered
  5. concentrationconcentrated
  6. customThe residue was purified by silica gel chromatography (2.5×10 cm, 0% to 50% EtOAc in CH2Cl2)

出典と根拠

ORDレコード
ord-0be5b58f1aa640318623c0cdaa0e472a
出典データセット
uspto-grants-2016_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09303065B2

反応ノート

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