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Potassium Carbonate → 3-(1-ethyl-1H-pyrazol-4-yl)-6-(6-methyl-[1,2,4]triazolo[4,3-b]pyridazin-3-ylsulfanyl)-quinoline

HRID 1890969
ノート
印刷プレビュー

反応式

HRID 1890969 の反応式
Br[C:2]1[CH:3]=[N:4][C:5]2[C:10]([CH:11]=1)=[CH:9][C:8]([S:12][C:13]1[N:17]3[N:18]=[C:19]([CH3:22])[CH:20]=[CH:21][C:16]3=[N:15][N:14]=1)=[CH:7][CH:6]=2.[CH2:23]([N:25]1[CH:29]=[C:28](B2OC(C)(C)C(C)(C)O2)[CH:27]=[N:26]1)[CH3:24].C([O-])([O-])=O.[K+].[K+].O1CCOCC1>C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.Cl[Pd]Cl.[Fe+2].ClCCl.O>[CH2:23]([N:25]1[CH:29]=[C:28]([C:2]2[CH:3]=[N:4][C:5]3[C:10]([CH:11]=2)=[CH:9][C:8]([S:12][C:13]2[N:17]4[N:18]=[C:19]([CH3:22])[CH:20]=[CH:21][C:16]4=[N:15][N:14]=2)=[CH:7][CH:6]=3)[CH:27]=[N:26]1)[CH3:24]
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 4

HCID 11430Potassium CarbonateHCID 312751,4-DioxaneHCID 113790451-Ethyl-1H-pyrazole-4-boronic acid, pinacol esterHCID 249009763-Bromo-6-(6-methyl-[1,2,4]triazolo[4,3-b]pyridazin-3-ylsulfanyl)-quinoline

生成物 1

HCID 249012593-(1-ethyl-1H-pyrazol-4-yl)-6-(6-methyl-[1,2,4]triazolo[4,3-b]pyridazin-3-ylsulfanyl)-quinoline収率 7%

試薬・触媒・溶媒

2
HCID 178418807HCID 178418807、化合物触媒HCID 962Water溶媒

実験手順

To a microwave vessel was added 3-bromo-6-(6-methyl-[1,2,4]triazolo[4,3-b]pyridazin-3-ylsulfanyl)-quinoline (200 mg, 0.54 mmol), 1-ethyl-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-1H-pyrazole (149 mg, 0.67 mmol), K2CO3 (186 mg, 1.34 mmol), 1,4-dioxane (7 mL) and water (3.5 mL). The solution was degassed by bubbling nitrogen for 10 min and then Pd(dppf)2Cl2 dichloromethane (20 mg, 0.0269 mmol) was added. The microwave vessel was capped and reacted in a microwave reactor at 120° C. for 20 min. The microwave vessel was cooled and then the mixture was extracted into dichloromethane and washed with water. The volatiles were removed in vacuo and the residue absorbed onto silica gel and purified by flash chromatography (SiO2, dichloromethane:CH3OH 100:0-80:20) to obtain 3-(1-ethyl-1H-pyrazol-4-yl)-6-(6-methyl-[1,2,4]triazolo[4,3-b]pyridazin-3-ylsulfanyl)-quinoline as a brown oil (7% yield).

後処理

  1. customThe solution was degassed
  2. customby bubbling nitrogen for 10 min
  3. customThe microwave vessel was capped
  4. customreacted in a microwave reactor at 120° C. for 20 min
  5. temperatureThe microwave vessel was cooled
  6. extractionthe mixture was extracted into dichloromethane
  7. washwashed with water
  8. customThe volatiles were removed in vacuo
  9. customthe residue absorbed onto silica gel
  10. custompurified by flash chromatography (SiO2, dichloromethane:CH3OH 100:0-80:20)

出典と根拠

ORDレコード
ord-e2eb95305ae6416b8da4b7a6ea7909be
出典データセット
uspto-grants-2013_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08507489B2

反応ノート

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