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Potassium Carbonate → N-tert-Butyl-2-{4-[2-(2-isopropyl-2H-[1,2,4]triazol-3-yl)-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulen-8-yl]-piperidin-1-yl}-acetamide

HRID 708254
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HRID 708254 반응식
OC(C(F)(F)F)=O.[CH:8]([N:11]1[C:15]([C:16]2[S:17][C:18]3[CH2:19][CH2:20][O:21][C:22]4[CH:29]=[C:28]([CH:30]5[CH2:35][CH2:34][NH:33][CH2:32][CH2:31]5)[CH:27]=[CH:26][C:23]=4[C:24]=3[N:25]=2)=[N:14][CH:13]=[N:12]1)([CH3:10])[CH3:9].C(=O)([O-])[O-].[K+].[K+].[C:42]([NH:46][C:47](=[O:50])[CH2:48]Cl)([CH3:45])([CH3:44])[CH3:43]>C1COCC1.C(Cl)Cl.O>[C:42]([NH:46][C:47](=[O:50])[CH2:48][N:33]1[CH2:34][CH2:35][CH:30]([C:28]2[CH:27]=[CH:26][C:23]3[C:24]4[N:25]=[C:16]([C:15]5[N:11]([CH:8]([CH3:10])[CH3:9])[N:12]=[CH:13][N:14]=5)[S:17][C:18]=4[CH2:19][CH2:20][O:21][C:22]=3[CH:29]=2)[CH2:31][CH2:32]1)([CH3:45])([CH3:44])[CH3:43]
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참가 물질

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반응물 3

HCID 11430Potassium CarbonateHCID 222440N-tert-butyl-2-chloroacetamideHCID 866523172-(2-isopropyl-2H-[1,2,4]triazol-3-yl)-8-piperidin-4-yl-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulene TFA salt

생성물 1

HCID 67050586N-tert-Butyl-2-{4-[2-(2-isopropyl-2H-[1,2,4]triazol-3-yl)-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulen-8-yl]-piperidin-1-yl}-acetamide수율 63.4%

시약·촉매·용매 3

HCID 962
Water
용매
HCID 6344Dichloromethane용매
HCID 8028Tetrahydrofuran용매

실험 절차

To a solution of 2-(2-isopropyl-2H-[1,2,4]triazol-3-yl)-8-piperidin-4-yl-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulene 375 TFA salt (250 mg, 0.49 mmol) in THF (5 mL) was added potassium carbonate (136 mg, 0.98 mmol) followed by N-tert-butyl-2-chloroacetamide (81 mg, 0.54 mmol). The reaction mixture was stirred for 65 hours before being diluted with DCM and water. The organic layer was dried over anhydrous magnesium sulfate and concentrated in vacuo. The resulting residue was purified by silica gel flash chromatography (SiO2, gradient 0-3% methanol in DCM) then freeze-dried from methanol and water to give 510 as a beige solid (158 mg, 63%). LCMS: RT=3.67 min, [M+H]+=509. 1H NMR δ (ppm) (CDCl3): 8.34 (1H, d, J=8.18 Hz), 7.93 (1H, s), 7.10-7.06 (2H, m), 6.96 (1H, d, J=1.81 Hz), 5.92-5.91 (1H, m), 4.42 (2H, t, J=5.03 Hz), 3.42 (2H, t, J=5.05 Hz), 3.00-2.91 (4H, m), 2.61-2.48 (1H, m), 2.35-2.24 (2H, m), 1.96-1.87 (3H, m), 1.83-1.71 (1H, m), 1.64 (6H, d, J=6.63 Hz), 1.39 (9H, s)

후처리

  1. dry with materialThe organic layer was dried over anhydrous magnesium sulfate
  2. concentrationconcentrated in vacuo
  3. customThe resulting residue was purified by silica gel flash chromatography (SiO2, gradient 0-3% methanol in DCM)
  4. dry with materialthen freeze-dried from methanol and water

출처 및 근거

ORD 기록
ord-e91d8e5673ec470193b32e1da7638add
출처 데이터셋
uspto-grants-2015_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09175009B2

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