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Cesium carbonate → N-(4-(2-(benzyloxy)ethoxy)-3-(trifluoromethyl)phenyl)-2-(4-(5-ethoxy-6-((4-methoxybenzyl)oxy)pyridin-3-yl)-2,6-difluorophenyl)acetamide

HRID 1428590
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HRID 1428590 반응식
[CH2:1]([O:3][C:4]1[C:5]([O:19][CH2:20][C:21]2[CH:26]=[CH:25][C:24]([O:27][CH3:28])=[CH:23][CH:22]=2)=[N:6][CH:7]=[C:8](B2OC(C)(C)C(C)(C)O2)[CH:9]=1)[CH3:2].[CH2:29]([O:36][CH2:37][CH2:38][O:39][C:40]1[CH:45]=[CH:44][C:43]([NH:46][C:47](=[O:58])[CH2:48][C:49]2[C:54]([F:55])=[CH:53][C:52](Br)=[CH:51][C:50]=2[F:57])=[CH:42][C:41]=1[C:59]([F:62])([F:61])[F:60])[C:30]1[CH:35]=[CH:34][CH:33]=[CH:32][CH:31]=1.C([O-])([O-])=O.[Cs+].[Cs+]>O1CCOCC1.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].C(Cl)Cl>[CH2:29]([O:36][CH2:37][CH2:38][O:39][C:40]1[CH:45]=[CH:44][C:43]([NH:46][C:47](=[O:58])[CH2:48][C:49]2[C:50]([F:57])=[CH:51][C:52]([C:8]3[CH:7]=[N:6][C:5]([O:19][CH2:20][C:21]4[CH:22]=[CH:23][C:24]([O:27][CH3:28])=[CH:25][CH:26]=4)=[C:4]([O:3][CH2:1][CH3:2])[CH:9]=3)=[CH:53][C:54]=2[F:55])=[CH:42][C:41]=1[C:59]([F:61])([F:60])[F:62])[C:30]1[CH:35]=[CH:34][CH:33]=[CH:32][CH:31]=1
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참가 물질

7

반응물 3

HCID 10796Cesium carbonateHCID 90416261N-(4-(2-(benzyloxy)ethoxy)-3-(trifluoromethyl)phenyl)-2-(4-bromo-2,6-difluorophenyl)acetamideHCID 904167753-Ethoxy-2-((4-methoxybenzyl)oxy)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine

생성물 1

HCID 90416829N-(4-(2-(benzyloxy)ethoxy)-3-(trifluoromethyl)phenyl)-2-(4-(5-ethoxy-6-((4-methoxybenzyl)oxy)pyridin-3-yl)-2,6-difluorophenyl)acetamide수율 35.1%

시약·촉매·용매 3

HCID 178418807HCID 178418807, 화합물촉매HCID 962Water용매HCID 312751,4-Dioxane용매

실험 절차

A solution of 3-ethoxy-2-((4-methoxybenzyl)oxy)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl) pyridine (78 mg, 0.202 mmol), N-(4-(2-(benzyloxy)ethoxy)-3-(trifluoromethyl)phenyl)-2-(4-bromo-2,6-difluorophenyl)acetamide (110 mg, 0.202 mmol), PdCl2(dppf)-DCM adduct (16.50 mg, 0.020 mmol) and Cs2CO3 (132 mg, 0.404 mmol) in 1,4-dioxane (6 mL) and H2O (2 mL) was stirred at 110° C. for 15 min. After LCMS analysis showed the starting material had disappeared, the solvent was removed in vacuo. The residue was dissolved in DCM (60 mL) and washed with H2O (20 mL) and brine (20 mL). The organic layer was dried over Na2SO4, filtered and concentrated. The crude product was purified by preparative TLC (DCM/MeOH=10/1) to yield N-(4-(2-(benzyloxy)ethoxy)-3-(trifluoromethyl)phenyl)-2-(4-(5-ethoxy-6-((4-methoxybenzyl)oxy)pyridin-3-yl)-2,6-difluorophenyl)acetamide (70 mg, 0.071 mmol, 35.1% yield): 1H NMR (400 MHz, CD3OD) δ 7.97 (d, J=2.0 Hz, 1H), 7.84 (s, 1H), 7.71 (d, J=11.2 Hz, 1H), 7.46 (d, J=2.0 Hz, 1H), 7.39 (d, J=8.6 Hz, 2H), 7.37-7.13 (m, 8H), 6.90 (d, J=8.6 Hz, 2H), 5.39-5.34 (m, 2H), 4.61 (s, 2H), 4.27-4.20 (m, 2H), 4.18-4.10 (m, 2H), 3.86-3.82 (m, 2H), 3.78 (s, 3H), 1.42 (t, J=6.9 Hz, 3H), 1.19 (s, 2H); ES-LCMS m/z 723.2 (M+H).

후처리

  1. customthe solvent was removed in vacuo
  2. dissolutionThe residue was dissolved in DCM (60 mL)
  3. washwashed with H2O (20 mL) and brine (20 mL)
  4. dry with materialThe organic layer was dried over Na2SO4
  5. filtrationfiltered
  6. concentrationconcentrated
  7. customThe crude product was purified by preparative TLC (DCM/MeOH=10/1)

출처 및 근거

ORD 기록
ord-32e672ad0c03433eaf7a73a0cd0ecc46
출처 데이터셋
uspto-grants-2015_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08937071B2

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