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Sodium Carbonate → tert-Butyl 1-(6-(5-(3-fluorophenyl)-1-(tetrahydro-2H-pyran-2-yl)-1H-indazol-3-yl)pyrazin-2-yl)piperidin-4-ylcarbamate

HRID 1529265
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HRID 1529265 반응식
Br[C:2]1[CH:3]=[C:4]2[C:8](=[CH:9][CH:10]=1)[N:7]([CH:11]1[CH2:16][CH2:15][CH2:14][CH2:13][O:12]1)[N:6]=[C:5]2[C:17]1[N:22]=[C:21]([N:23]2[CH2:28][CH2:27][CH:26]([NH:29][C:30](=[O:36])[O:31][C:32]([CH3:35])([CH3:34])[CH3:33])[CH2:25][CH2:24]2)[CH:20]=[N:19][CH:18]=1.[F:37][C:38]1[CH:39]=[C:40](B(O)O)[CH:41]=[CH:42][CH:43]=1.C([O-])([O-])=O.[Na+].[Na+].O1CCOCC1>Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1.O>[F:37][C:38]1[CH:43]=[C:42]([C:2]2[CH:3]=[C:4]3[C:8](=[CH:9][CH:10]=2)[N:7]([CH:11]2[CH2:16][CH2:15][CH2:14][CH2:13][O:12]2)[N:6]=[C:5]3[C:17]2[N:22]=[C:21]([N:23]3[CH2:28][CH2:27][CH:26]([NH:29][C:30](=[O:36])[O:31][C:32]([CH3:34])([CH3:35])[CH3:33])[CH2:25][CH2:24]3)[CH:20]=[N:19][CH:18]=2)[CH:41]=[CH:40][CH:39]=1
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참가 물질

7

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HCID 10340Sodium CarbonateHCID 312751,4-DioxaneHCID 27339863-Fluorophenylboronic acidHCID 67959723tert-butyl 1-(6-(5-bromo-1-(tetrahydro-2H-pyran-2-yl)-1H-indazol-3-yl)pyrazin-2-yl)piperidin-4-ylcarbamate

생성물 1

HCID 67960074tert-Butyl 1-(6-(5-(3-fluorophenyl)-1-(tetrahydro-2H-pyran-2-yl)-1H-indazol-3-yl)pyrazin-2-yl)piperidin-4-ylcarbamate
수율 57.9%

시약·촉매·용매 2

HCID 178418476HCID 178418476, 화합물촉매HCID 962Water용매

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온도
140 °C

실험 절차

A glass microwave reaction vessel was charged with tert-butyl 1-(6-(5-bromo-1-(tetrahydro-2H-pyran-2-yl)-1H-indazol-3-yl)pyrazin-2-yl)piperidin-4-ylcarbamate (0.200 g, 0.359 mmol), 3-fluorophenylboronic acid (0.072 g, 0.515 mmol, Aldrich), Na2CO3 (0.210 g, 1.981 mmol, J. T. Baker) and trans-dichlorobis(triphenyl-phosphine)palladium (II) (0.022 g, 0.031 mmol, Strem). Dioxane (3 mL) and water (1 mL) were added and the reaction mixture was sealed under argon and heated in a Emrys Optmizer microwave reactor (Personal Chemistry, Biotage AB, Inc., Uppsala, Sweden) at 140° C. for 15 min. The mixture was partitioned between EtOAc/water. The aqueous layer was extracted with EtOAc (3×) and the combined organic layers were evaporated onto silica gel and purified by flash chromatography (Isco, (40 gram)) eluting with 2M NH3 in MeOH:DCM (0:1→1:49) to give 119 mg of tert-Butyl 1-(6-(5-(3-fluorophenyl)-1-(tetrahydro-2H-pyran-2-yl)-1H-indazol-3-yl)pyrazin-2-yl)piperidin-4-ylcarbamate as a yellow amorphous solid. MS (ESI, pos. ion) m/z: 573.2 (M+1). A solution of tert-butyl 1-(6-(5-(3-fluorophenyl)-1-(tetrahydro-2H-pyran-2-yl)-1H-indazol-3-yl)pyrazin-2-yl)piperidin-4-ylcarbamate (0.119 g, 0.208 mmol) in HCl, 5-6 N in IPA (5.00 mL, 25.00 mmol) and water (0.5 mL) was heated at 80° C. for 2.5 h. The reaction mixture was cooled to RT and the solid was filtered and washed with IPA. The material was dissolved in DMSO and purified by reverse-phase HPLC (Gilson; Gemini-NX 10μ C18 110 A AXIA, 100×50 mm column) eluting with 0.1% TFA-H2O:0.1% TFA ACN (9:1→1:9). The fractions containing the desired product were combined and concentrated in vacuo. The residue was dissolved in MeOH and loaded onto an SCX II cartridge eluting with MeOH then 2M NH3 in MeOH to give the title compound as a yellow crystalline solid. MS (ESI, pos. ion) m/z: 389.1 (M+1).

후처리

  1. customA glass microwave reaction vessel
  2. customthe reaction mixture was sealed under argon
  3. customThe mixture was partitioned between EtOAc/water
  4. extractionThe aqueous layer was extracted with EtOAc (3×)
  5. customthe combined organic layers were evaporated onto silica gel
  6. custompurified by flash chromatography (Isco, (40 gram))
  7. washeluting with 2M NH3 in MeOH:DCM (0:1→1:49)

출처 및 근거

ORD 기록
ord-5eca10f2b0e74f2f81cd1e6ca76ac3f0
출처 데이터셋
uspto-grants-2015_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09090593B2

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