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Nitrogen → 3-(1,5-dimethyl-1H-indol-2-yl)-8-(1-ethyl-propyl)-2,6-dimethyl-imidazo[1,2-b]pyridazine

HRID 226089
ノート
印刷プレビュー

反応式

HRID 226089 の反応式
[CH2:1]([CH:3]([C:6]1[C:7]2[N:8]([C:13](I)=[C:14]([CH3:16])[N:15]=2)[N:9]=[C:10]([CH3:12])[CH:11]=1)[CH2:4][CH3:5])[CH3:2].C([C:21]1[CH:22]=[CH:23][CH:24]=[C:25]2[C:29]=1[N:28]([CH3:30])[C:27](C)=[CH:26]2)(C)C.[C:32]([O-])([O-])=O.[Cs+].[Cs+].N#N>C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].[Pd].CCOC(C)=O.CN(C=O)C>[CH3:30][N:28]1[C:29]2[C:25](=[CH:24][C:23]([CH3:32])=[CH:22][CH:21]=2)[CH:26]=[C:27]1[C:13]1[N:8]2[N:9]=[C:10]([CH3:12])[CH:11]=[C:6]([CH:3]([CH2:4][CH3:5])[CH2:1][CH3:2])[C:7]2=[N:15][C:14]=1[CH3:16]
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

8

反応物 4

HCID 947NitrogenHCID 10796Cesium carbonateHCID 577526818-(1-Ethyl-propyl)-3-iodo-2,6-dimethyl-imidazo[1,2-b]pyridazineHCID 688581427-isopropyl-1,2-dimethyl-1H-indole

生成物 1

HCID 577526543-(1,5-dimethyl-1H-indol-2-yl)-8-(1-ethyl-propyl)-2,6-dimethyl-imidazo[1,2-b]pyridazine収率 4.8%

試薬・触媒・溶媒 3

HCID 9811564
Bis(dibenzylideneacetone)palladium
触媒
HCID 6228Dimethylformamide溶媒
HCID 8857Ethyl Acetate溶媒

反応条件

温度
130 °C

実験手順

A solution of 8-(1-ethyl-propyl)-3-iodo-2,6-dimethyl-imidazo[1,2-b]pyridazine (0.30 g, 0.87 mmol), 7-isopropyl-1,2-dimethyl-1H-indole (0.33 g, 1.76 mmol), Cs2CO3 (0.57 g, 1.75 mmol), and DMF (5 mL), is degassed with N2 for 20 minutes. Pd2(dba)3 (0.040 g, 0.044 mmol is added and the solution is heated at 130° C. overnight. The solution is diluted EtOAc (30 mL) washed with water (2×30 mL), brine (30 mL) dried over MgSO4, filtered and concentrated. The residue is purified by ISCO (20%-30% EtOAc gradient) to furnish the title compound (0.017 g, 0.042 mmol, 4.8%). 1H NMR (CDCl3), δ 1.14-1.46 (m, 6H), 1.76-1.95 (m, 4H), 2.30 (s, 3H), 2.42 (s, 3H), 2.45 (s, 3H), 3.38-3.48 (m, 1H), 3.86-3.97 (m, 1H), 4.04 (s, 3H), 6.64 (s, 1H), 6.99-7. LC/MS (m/z): calcd. for C26H34N4 (M+H)+: 403.3. found: 403.4.

後処理

  1. washwashed with water (2×30 mL), brine (30 mL)
  2. dry with materialdried over MgSO4
  3. filtrationfiltered
  4. concentrationconcentrated
  5. customThe residue is purified by ISCO (20%-30% EtOAc gradient)

出典と根拠

ORDレコード
ord-4b88e88b30e848ef86f7e9f09dd5565f
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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