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Potassium phosphate, tribasic, monohydrate → (5-Chloro-3-quinolin-3-yl-pyrazolo[1,5-a]pyrimidin-7-yl)-bis-(2-trimethylsilanyl-ethoxymethyl)-amine

HRID 2368984
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HRID 2368984 반응식
[Cl:1][C:2]1[CH:7]=[C:6]([N:8]([CH2:17][O:18][CH2:19][CH2:20][Si:21]([CH3:24])([CH3:23])[CH3:22])[CH2:9][O:10][CH2:11][CH2:12][Si:13]([CH3:16])([CH3:15])[CH3:14])[N:5]2[N:25]=[CH:26][C:27](I)=[C:4]2[N:3]=1.[N:29]1[C:38]2[C:33](=[CH:34][CH:35]=[CH:36][CH:37]=2)[CH:32]=[CH:31][C:30]=1B(O)O.[O-]P([O-])([O-])=O.[K+].[K+].[K+].O>COCCOC.O.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]>[Cl:1][C:2]1[CH:7]=[C:6]([N:8]([CH2:17][O:18][CH2:19][CH2:20][Si:21]([CH3:24])([CH3:23])[CH3:22])[CH2:9][O:10][CH2:11][CH2:12][Si:13]([CH3:16])([CH3:15])[CH3:14])[N:5]2[N:25]=[CH:26][C:27]([C:31]3[CH:30]=[N:29][C:38]4[C:33]([CH:32]=3)=[CH:34][CH:35]=[CH:36][CH:37]=4)=[C:4]2[N:3]=1
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참가 물질

7

반응물 3

HCID 22031701Potassium phosphate, tribasic, monohydrateHCID 22173501Quinoline-2-boronic acidHCID 772312185-chloro-3-iodo-N,N-bis((2-(trimethylsilyl)ethoxy)methyl)pyrazolo[1,5-a]pyrimidin-7-amine

생성물 1

HCID 86664780(5-Chloro-3-quinolin-3-yl-pyrazolo[1,5-a]pyrimidin-7-yl)-bis-(2-trimethylsilanyl-ethoxymethyl)-amine수율 57.6%

시약·촉매·용매 3

HCID 44119782
Bis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+)
촉매
HCID 962Water용매
HCID 80711,2-Dimethoxyethane용매

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온도
60 °C

실험 절차

To crude 5-chloro-3-iodo-N,N-bis((2-(trimethylsilyl)ethoxy)methyl)pyrazolo[1,5-a]pyrimidin-7-amine (7.1 g) in DME (120 mL) and H2O (15 mL) was added the quinoline boronic acid (2.4 g, 14.1 mmol), PdCl2(dppf)2 (1.0 g, 1.2 mmol) and K3PO4.H2O (5.4 g, 25.6 mmol). The reaction was heated at 60° C. for 2 hours, at which time LC/MS analysis confirmed full consumption of starting material. On cooling, H2O (40 mL) and EtOAc (100 mL) were added and organics were extracted with EtOAc (4×50 mL), dried (Na2SO4) and concentrated in vacuo to give a brown oil. Gradient column chromatography on silica eluting with 10% to 60% EtOAc/hexanes gave 5-chloro-3-(quinolin-3-yl)-N,N-bis((2-(trimethylsilyl)ethoxy)methyl)pyrazolo[1,5-a]pyrimidin-7-amine as a light yellow solid (4.1 g).

후처리

  1. customconsumption of starting material
  2. temperatureOn cooling
  3. additionH2O (40 mL) and EtOAc (100 mL) were added
  4. extractionorganics were extracted with EtOAc (4×50 mL)
  5. dry with materialdried (Na2SO4)
  6. concentrationconcentrated in vacuo
  7. customto give a brown oil

출처 및 근거

ORD 기록
ord-eece95ba52ee497ebc34548015674ce5
출처 데이터셋
uspto-grants-2014_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08703784B2

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