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Morpholine → 4-(4-Chloro-5-(2,5-dimethyl-7-(pentan-3-yl)pyrazolo[1,5-a]pyrimidin-3-yl)thiazol-2-yl)morpholine

HRID 1044663
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HRID 1044663 반응식
[CH2:1]([CH:3]([C:6]1[N:11]2[N:12]=[C:13]([CH3:22])[C:14]([C:15]3[S:19][C:18](Cl)=[N:17][C:16]=3[Cl:21])=[C:10]2[N:9]=[C:8]([CH3:23])[CH:7]=1)[CH2:4][CH3:5])[CH3:2].C([O-])([O-])=O.[K+].[K+].[NH:30]1[CH2:35][CH2:34][O:33][CH2:32][CH2:31]1>O>[CH2:1]([CH:3]([C:6]1[N:11]2[N:12]=[C:13]([CH3:22])[C:14]([C:15]3[S:19][C:18]([N:30]4[CH2:35][CH2:34][O:33][CH2:32][CH2:31]4)=[N:17][C:16]=3[Cl:21])=[C:10]2[N:9]=[C:8]([CH3:23])[CH:7]=1)[CH2:4][CH3:5])[CH3:2]
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참가 물질

5

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HCID 8083MorpholineHCID 11430Potassium CarbonateHCID 452757037-(1-Ethyl-propyl)-3-(2,4-dichloro-thiazol-5-yl)-2,5-dimethyl-pyrazolo[1,5-a]pyrimidine

생성물 1

HCID 248989774-(4-Chloro-5-(2,5-dimethyl-7-(pentan-3-yl)pyrazolo[1,5-a]pyrimidin-3-yl)thiazol-2-yl)morpholine수율 90.6%

시약·촉매·용매 1

HCID 962Water용매

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온도
100 °C

실험 절차

Charge 7-(1-ethyl-propyl)-3-(2,4-dichloro-thiazol-5-yl)-2,5-dimethyl-pyrazolo[1,5-a]pyrimidine (0.37 g, 1.00 mmoles), K2CO3 (0.28 g, 2.00 mmoles) and anhydrous morpholine (3 mL) to a round bottom flask equipped with a magnetic stir bar and N2 inlet. Stir the yellow mixture at 100° C. for about 4 hr., during which time the reaction becomes homogeneous. Cool the reaction mixture to room temperature, add H2O (10 mL) and stir the heterogeneous reaction mixture overnight at room temperature. Collected the yellow solid by filtration, wash with H2O and allowed to air dry overnight to give the crude title compound (391 mg). Recrystallize from isopropyl alcohol (3 mL) to yield the title compound as a light yellow crystalline solid (380 mg, 90.6% yield, >99% by LC). MS (ES)=420 (M+1). 1H NMR (CDCl3)=6.45 (1H, s); 3.81 (m, 4H); 3.62 (1H, m); 3.50 (m, 4H); 2.6 (3H, s); 2.45 (3H, s); 1.85 (4H, m); 0.9 (6H, t).

후처리

  1. customequipped with a magnetic stir bar and N2 inlet
  2. temperatureCool the reaction mixture to room temperature
  3. stirringstir the heterogeneous reaction mixture overnight at room temperature
  4. customCollected the yellow solid
  5. filtrationby filtration
  6. washwash with H2O
  7. customto air dry overnight
  8. customto give the crude title compound (391 mg)
  9. customRecrystallize from isopropyl alcohol (3 mL)

출처 및 근거

ORD 기록
ord-f188e0e1f8f64aebb16feddbaa1cfac0
출처 데이터셋
uspto-grants-2013_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08563718B2

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