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Ammonium Chloride → (E)-3-(4-((6-methoxy-2-(4-methoxyphenyl)benzo[b]thiophen-3-yl)oxy)phenyl)acrylamide

HRID 632647
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Reaktionsgleichung

Reaktionsgleichung von HRID 632647
[CH3:1][O:2][C:3]1[CH:4]=[CH:5][C:6]2[C:10]([O:11][C:12]3[CH:17]=[CH:16][C:15](/[CH:18]=[CH:19]/[C:20](O)=[O:21])=[CH:14][CH:13]=3)=[C:9]([C:23]3[CH:28]=[CH:27][C:26]([O:29][CH3:30])=[CH:25][CH:24]=3)[S:8][C:7]=2[CH:31]=1.C[N:33](C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.CCN(C(C)C)C(C)C.[NH4+].[Cl-]>CN(C=O)C>[CH3:1][O:2][C:3]1[CH:4]=[CH:5][C:6]2[C:10]([O:11][C:12]3[CH:17]=[CH:16][C:15](/[CH:18]=[CH:19]/[C:20]([NH2:33])=[O:21])=[CH:14][CH:13]=3)=[C:9]([C:23]3[CH:28]=[CH:27][C:26]([O:29][CH3:30])=[CH:25][CH:24]=3)[S:8][C:7]=2[CH:31]=1
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Komponenten

6

Edukt 4

HCID 25517Ammonium ChlorideHCID 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 86730661(E)-3-(4-((6-methoxy-2-(4-methoxyphenyl)benzo[b]thiophen-3-yl)oxy)phenyl)acrylic acid

Produkt 1

HCID 86730663
(E)-3-(4-((6-methoxy-2-(4-methoxyphenyl)benzo[b]thiophen-3-yl)oxy)phenyl)acrylamide
Ausbeute 79 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228DimethylformamideLösungsmittel

Versuchsvorschrift

To a 30 mL vial, (E)-3-(4-((6-methoxy-2-(4-methoxyphenyl)benzo[b]thiophen-3-yl)oxy)phenyl)acrylic acid (98 mg, 0.23 mmol) was dissolved in DMF (2 mL). The vial was charged with HATU (129 ms, 0.34 mmol) and DIEA (0.119 mL, 0.68 mmol) and the mixture was stirred for 10 min. A color change from pale orange to a dark orange was observed. To the solution was added NH4Cl (24.24 mg, 0.45 mmol) and the reaction mixture was stirred for 30 min at room temperature. The reaction was quenched with sat. aq. NH4Cl and diluted with DCM. The organic phase was collected (phase separator) and concentrated to afford the crude product. The crude material was purified by column chromatography (SiO2, 1-10% MeOH/DCM) to afford (E)-3-(4-((6-methoxy-2-(4-methoxyphenyl)benzo[b]thiophen-3-yl)oxy)phenyl)acrylamide (77 mg, 0.18 mmol, 79% yield) as an off white solid. 1H NMR (400 MHz, CD3OD) δ ppm=8.00 (s, 4 H), 7.59-7.70 (m, 2 H), 7.45-7.55 (m, 2 H), 7.42 (d, J=2.02 Hz, 1 H), 7.24 (d, J=8.59 Hz, 1 H), 6.84-7.02 (m, 4 H), 6.52 (d, J=15.66 Hz, 1 H), 3.88 (s, 3 H), 3.79 (s, 3 H), LC/MS (m z, MH+): 432.3.

Aufarbeitung

  1. stirringthe reaction mixture was stirred for 30 min at room temperature
  2. customThe reaction was quenched with sat. aq. NH4Cl
  3. additiondiluted with DCM
  4. customThe organic phase was collected (phase separator)
  5. concentrationconcentrated
  6. customto afford the crude product
  7. customThe crude material was purified by column chromatography (SiO2, 1-10% MeOH/DCM)

Quellen und Nachweise

ORD-Eintrag
ord-a0ec233e494f4a72b83f14838360beb4
Quelldatensatz
uspto-grants-2016_04
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09321746B2

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