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Dichloromethane → tert-butyl 4-(3-(6-(1H-1,2,4-triazol-1-yl)pyridin-3-yl)-7-(bis((2-(trimethylsilyl)ethoxy)methyl)amino)pyrazolo[1,5-a]pyrimidin-5-yl)piperidine-1-carboxylate

HRID 2047134
ノート
印刷プレビュー

反応式

HRID 2047134 の反応式
[CH3:1][Si:2]([CH3:40])([CH3:39])[CH2:3][CH2:4][O:5][CH2:6][N:7]([CH2:31][O:32][CH2:33][CH2:34][Si:35]([CH3:38])([CH3:37])[CH3:36])[C:8]1[N:13]2[N:14]=[CH:15][C:16](I)=[C:12]2[N:11]=[C:10]([CH:18]2[CH2:23][CH2:22][N:21]([C:24]([O:26][C:27]([CH3:30])([CH3:29])[CH3:28])=[O:25])[CH2:20][CH2:19]2)[CH:9]=1.CC1(C)C(C)(C)OB([C:49]2[CH:50]=[CH:51][C:52]([N:55]3[CH:59]=[N:58][CH:57]=[N:56]3)=[N:53][CH:54]=2)O1.C(Cl)Cl.C([O-])([O-])=O.[Na+].[Na+]>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].COCCOC>[N:55]1([C:52]2[N:53]=[CH:54][C:49]([C:16]3[CH:15]=[N:14][N:13]4[C:8]([N:7]([CH2:31][O:32][CH2:33][CH2:34][Si:35]([CH3:38])([CH3:37])[CH3:36])[CH2:6][O:5][CH2:4][CH2:3][Si:2]([CH3:40])([CH3:39])[CH3:1])=[CH:9][C:10]([CH:18]5[CH2:23][CH2:22][N:21]([C:24]([O:26][C:27]([CH3:30])([CH3:29])[CH3:28])=[O:25])[CH2:20][CH2:19]5)=[N:11][C:12]=34)=[CH:50][CH:51]=2)[CH:59]=[N:58][CH:57]=[N:56]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

7

反応物 4

HCID 6344DichloromethaneHCID 10340Sodium CarbonateHCID 592433295-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(1H-1,2,4-triazol-1-yl)pyridineHCID 66584511Tert-butyl 4-(7-(bis((2-(trimethylsilyl)ethoxy)methyl)amino)-3-iodopyrazolo[1,5-a]pyrimidin-5-yl)piperidine-1-carboxylate

生成物 1

HCID 67494194
tert-butyl 4-(3-(6-(1H-1,2,4-triazol-1-yl)pyridin-3-yl)-7-(bis((2-(trimethylsilyl)ethoxy)methyl)amino)pyrazolo[1,5-a]pyrimidin-5-yl)piperidine-1-carboxylate
収率 64.1%

試薬・触媒・溶媒 2

HCID 44119782Bis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+)触媒HCID 80711,2-Dimethoxyethane溶媒

反応条件

温度
80 °C

実験手順

To a pressure tube were charged tert-butyl 4-(7-(bis((2-(trimethylsilyl)ethoxy)methyl)amino)-3-iodopyrazolo[1,5-a]pyrimidin-5-yl)piperidine-1-carboxylate (563 mg, 0.8 mmol), 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(1H-1,2,4-triazol-1-yl)pyridine (287 mg, 1.1 mmol), PdCl2(dppf)2.CH2Cl2 (29 mg, 0.04 mmol), DME (6 mL) and 2M Na2CO3 (2 mL). The resulting mixture was briefly degassed with Argon; the tube was capped, and heated with stirring under 80° C. overnight. After cooling, solvent was removed. The residue was diluted with EtOAc (20 ml), and organic layer was isolated, washed with brine and dried (MgSO4). After concentration under reduced pressure, the residue was purified on silica gel eluting with EtOAc/Hexanes (0-50%) to provide the title compound (370 mg, 64%).

後処理

  1. customThe resulting mixture was briefly degassed with Argon
  2. customthe tube was capped
  3. temperatureheated
  4. temperatureAfter cooling
  5. customsolvent was removed
  6. additionThe residue was diluted with EtOAc (20 ml)
  7. customorganic layer was isolated
  8. washwashed with brine
  9. dry with materialdried (MgSO4)
  10. concentrationAfter concentration under reduced pressure
  11. customthe residue was purified on silica gel eluting with EtOAc/Hexanes (0-50%)

出典と根拠

ORDレコード
ord-6bb25a6ca3594219b8fd8e2816159af2
出典データセット
uspto-grants-2013_11
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08591943B2

反応ノート

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