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

HRID 1428595Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 1428595
[CH2:1]([O:3][C:4]1[CH:5]=[C:6]([C:20]2[CH:25]=[CH:24][C:23]([CH2:26][C:27]([NH2:29])=[O:28])=[C:22]([F:30])[CH:21]=2)[CH:7]=[N:8][C:9]=1[O:10][CH2:11][C:12]1[CH:17]=[CH:16][C:15]([O:18][CH3:19])=[CH:14][CH:13]=1)[CH3:2].Br[C:32]1[CH:39]=[CH:38][C:35]([C:36]#[N:37])=[C:34]([C:40]([F:43])([F:42])[F:41])[CH:33]=1.CC1(C)C2C(=C(P(C3C=CC=CC=3)C3C=CC=CC=3)C=CC=2)OC2C(P(C3C=CC=CC=3)C3C=CC=CC=3)=CC=CC1=2.C([O-])([O-])=O.[Cs+].[Cs+]>O1CCOCC1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].[Pd]>[C:36]([C:35]1[CH:38]=[CH:39][C:32]([NH:29][C:27](=[O:28])[CH2:26][C:23]2[CH:24]=[CH:25][C:20]([C:6]3[CH:7]=[N:8][C:9]([O:10][CH2:11][C:12]4[CH:13]=[CH:14][C:15]([O:18][CH3:19])=[CH:16][CH:17]=4)=[C:4]([O:3][CH2:1][CH3:2])[CH:5]=3)=[CH:21][C:22]=2[F:30])=[CH:33][C:34]=1[C:40]([F:41])([F:42])[F:43])#[N:37]

Komponenten

7

Edukt 4

HCID 10796Cesium carbonateHCID 6360441,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine)HCID 223378254-Bromo-2-(trifluoromethyl)benzonitrileHCID 904162422-(4-(5-Ethoxy-6-((4-methoxybenzyl)oxy)pyridin-3-yl)-2-fluorophenyl)acetamide

Produkt 1

HCID 90416211N-(4-cyano-3-(trifluoromethyl)phenyl)-2-(4-(5-ethoxy-6-((4-methoxybenzyl) oxy)pyridin-3-yl)-2-fluorophenyl)acetamideAusbeute 54,2 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 9811564Bis(dibenzylideneacetone)palladiumKatalysatorHCID 312751,4-DioxaneLösungsmittel

Versuchsvorschrift

A solution of 2-(4-(5-ethoxy-6-((4-methoxybenzyl)oxy)pyridin-3-yl)-2-fluorophenyl)acetamide (10 mg, 0.024 mmol), 4-bromo-2-(trifluoromethyl)benzonitrile (6.09 mg, 0.024 mmol), Pd2(dba)3 (2.231 mg, 2.436 mol), Xantphos (1.410 mg, 2.436 mol) and Cs2CO3 (15.88 mg, 0.049 mmol) in 1,4-dioxane (1 mL) was stirred at 120° C. for 1 h. After LCMS analysis showed the starting material had disappeared, the solvent was removed in vacuo. The residue was dissolved in EA (20 mL) and washed with H2O (10 mL) and brine (10 mL). The organic layer was dried over Na2SO4, filtered and concentrated. The crude material was purified by preparative TLC (PE/EA=1/1) to yield a white solid of N-(4-cyano-3-(trifluoromethyl)phenyl)-2-(4-(5-ethoxy-6-((4-methoxybenzyl)oxy)pyridin-3-yl)-2-fluorophenyl)acetamide (15 mg, 0.013 mmol, 51.4% yield): 1H NMR (400 MHz, CD3OD) δ 8.23 (s, 1H), 7.98 (m, 1H), 7.94-7.90 (m, 2H), 7.44-7.37 (m, 6H), 6.90 (d, J=8.4 Hz, 2H), 5.32 (s, 2H), 4.16-4.11 (m, 2H), 2.85 (s, 2H), 3.77 (s, 3H), 1.41 (t, J=7.2 Hz, 3H); ES-LCMS m/z 460.1 (M−120).

Aufarbeitung

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

Quellen und Nachweise

ORD-Eintrag
ord-89924cf37c4845c8b976d96f0c47ac3f
Quelldatensatz
uspto-grants-2015_01
Patentnummer
US08937071B2

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