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3-[8-(1-Ethyl-propyl)-2,6-dimethyl-imidazo[1,2-b]pyridazin-3-yl]-2-methyl-imidazo[1,2-a]pyridine-8-carboxaldehyde → 1-{3-[8-(1-Ethyl-propyl)-2,6-dimethyl-imidazo[1,2-b]pyridazin-3-yl]-2-methyl-imidazo[1,2-a]pyridin-8-yl}-ethanol

HRID 226049
ノート
印刷プレビュー

反応式

HRID 226049 の反応式
[CH2:1]([CH:3]([C:6]1[C:7]2[N:8]([C:13]([C:17]3[N:21]4[CH:22]=[CH:23][CH:24]=[C:25]([CH:26]=[O:27])[C:20]4=[N:19][C:18]=3[CH3:28])=[C:14]([CH3:16])[N:15]=2)[N:9]=[C:10]([CH3:12])[CH:11]=1)[CH2:4][CH3:5])[CH3:2].[CH3:29][Mg+].[Br-]>C1COCC1>[CH2:1]([CH:3]([C:6]1[C:7]2[N:8]([C:13]([C:17]3[N:21]4[CH:22]=[CH:23][CH:24]=[C:25]([CH:26]([OH:27])[CH3:29])[C:20]4=[N:19][C:18]=3[CH3:28])=[C:14]([CH3:16])[N:15]=2)[N:9]=[C:10]([CH3:12])[CH:11]=1)[CH2:4][CH3:5])[CH3:2]
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

4

反応物 2

HCID 577525973-[8-(1-Ethyl-propyl)-2,6-dimethyl-imidazo[1,2-b]pyridazin-3-yl]-2-methyl-imidazo[1,2-a]pyridine-8-carboxaldehydeHCID 178418689HCID 178418689、化合物

生成物 1

HCID 577527071-{3-[8-(1-Ethyl-propyl)-2,6-dimethyl-imidazo[1,2-b]pyridazin-3-yl]-2-methyl-imidazo[1,2-a]pyridin-8-yl}-ethanol収率 83.8%

試薬・触媒・溶媒 1

HCID 8028Tetrahydrofuran溶媒

反応条件

温度
0 °C

実験手順

A solution of 3-[8-(1-ethyl-propyl)-2,6-dimethyl-imidazo[1,2-b]pyridazin-3-yl]-2-methyl-imidazo[1,2-a]pyridine-8-carboxaldehyde (1.07 g, 2.84 mmol) in THF (30 mL) is cooled at 0° C., treated with 3.0 M CH3MgBr (1.1 mL, 3.41 mmol). The reaction is stirred at 0° C. for 30 min. It is then quenched with sat. NH4Cl (15 mL), diluted with H2O (15 mL), extracted with EtOAc (2×30 mL). The combined organic layers is dried with Na2SO4, filtered and concentrated. Purification of the crude material by silica gel chromatography gives the title compound (0.93 g, 2.38 mmol, 83). 1H NMR (CDCl3): δ 0.91 (t, J=7.1 Hz, 3H), 0.92 (t, J=7.1 Hz, 3H), 1.75 (d, J=6.6 Hz, 3H), 1.79-1.94 (m, 4H), 2.41 (s, 6H), 2.45 (s, 3H), 3.32-3.42 (m, 1H), 5.17 (m, 1H), 5.39 (m, 1H), 6.72 (t, J=7.0 Hz, 1H), 6.73 (s, 1H), 7.13 (d, J=7.1 Hz, 1H), 7.43 (d, J=7.1 Hz, 1H) ppm. ES-MS (m/z): calcd for C23H29N5O (M+H)+: 392.5. found: 392.3.

後処理

  1. customIt is then quenched with sat. NH4Cl (15 mL)
  2. additiondiluted with H2O (15 mL)
  3. extractionextracted with EtOAc (2×30 mL)
  4. dry with materialThe combined organic layers is dried with Na2SO4
  5. filtrationfiltered
  6. concentrationconcentrated
  7. customPurification of the crude material by silica gel chromatography

出典と根拠

ORDレコード
ord-25330e68c0f548f78a0a088520a6834e
出典データセット
uspto-grants-2009_07
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07557103B2

反応ノート

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