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Sodium hydride → 6-[3-[4-(Diphenylmethoxy)piperidino]propoxy]-2-methyl[1,2,4]triazolo[4,3-b]pyridazin-3(2H)-one

HRID 397575
ノート
印刷プレビュー

反応式

HRID 397575 の反応式
[C:1]1([CH:7]([C:19]2[CH:24]=[CH:23][CH:22]=[CH:21][CH:20]=2)[O:8][CH:9]2[CH2:14][CH2:13][N:12]([CH2:15][CH2:16][CH2:17][OH:18])[CH2:11][CH2:10]2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[H-].[Na+].Cl[C:28]1[CH:29]=[CH:30][C:31]2[N:32]([C:34](=[O:38])[N:35]([CH3:37])[N:36]=2)[N:33]=1>CN(C)C=O>[C:19]1([CH:7]([C:1]2[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=2)[O:8][CH:9]2[CH2:14][CH2:13][N:12]([CH2:15][CH2:16][CH2:17][O:18][C:28]3[CH:29]=[CH:30][C:31]4[N:32]([C:34](=[O:38])[N:35]([CH3:37])[N:36]=4)[N:33]=3)[CH2:11][CH2:10]2)[CH:24]=[CH:23][CH:22]=[CH:21][CH:20]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

HCID 24758Sodium hydrideHCID 229892644-(Diphenylmethoxy)piperidinepropanolHCID 230003286-chloro-2-methyl[1,2,4]triazolo[4,3-b]pyridazin-3(2H)-one

生成物 1

HCID 230002996-[3-[4-(Diphenylmethoxy)piperidino]propoxy]-2-methyl[1,2,4]triazolo[4,3-b]pyridazin-3(2H)-one収率 66.3%

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide
溶媒

実験手順

0.52 g of 4-(diphenylmethoxy)-1-piperidinepropanol was dissolved in 3 ml of N,N-dimethylformamide; 0.0704 g of 60% oily sodium hydride was added, followed by stirring at room temperature for 1 hour. 0.325 g of 6-chloro-2-methyl[1,2,4]triazolo[4,3-b]pyridazin-3(2H)-one was added, followed by stirring at room temperature for 2 hours. After ice water was added, the reaction mixture was extracted with ethyl acetate; the extract was washed with saturated saline and dried over magnesium sulfate. After concentration under reduced pressure, the residue was subjected to silica gel column chromatography and eluted with ethyl acetate-methanol-triethylamine (90:10:1). The desired fraction was collected and concentrated; the crystal obtained was filtered, washed with diethyl ether, and dried, to yield 0.502 g of the title compound.

後処理

  1. stirringby stirring at room temperature for 2 hours
  2. extractionthe reaction mixture was extracted with ethyl acetate
  3. washthe extract was washed with saturated saline
  4. dry with materialdried over magnesium sulfate
  5. concentrationAfter concentration under reduced pressure
  6. washeluted with ethyl acetate-methanol-triethylamine (90:10:1)
  7. customThe desired fraction was collected
  8. concentrationconcentrated
  9. customthe crystal obtained
  10. filtrationwas filtered
  11. washwashed with diethyl ether
  12. customdried

出典と根拠

ORDレコード
ord-3a3e4ddff81d4366ae11a2b5bc130276
出典データセット
uspto-grants-2003_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06610694B1

反応ノート

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