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Lithium Hydroxide → US9249085, I(aj)

HRID 1771791
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1771791
[F:1][C:2]1[CH:3]=[C:4]([C:8]2[CH:9]=[C:10]([CH2:15][NH:16][C:17]3[C:18]([CH3:32])=[C:19]([CH:28]=[CH:29][C:30]=3[CH3:31])[O:20][CH2:21][C:22]([O:24]C(C)C)=[O:23])[CH:11]=[C:12]([CH3:14])[CH:13]=2)[CH:5]=[CH:6][CH:7]=1.[Li+].[OH-]>C1COCC1>[F:1][C:2]1[CH:3]=[C:4]([C:8]2[CH:9]=[C:10]([CH2:15][NH:16][C:17]3[C:18]([CH3:32])=[C:19]([CH:28]=[CH:29][C:30]=3[CH3:31])[O:20][CH2:21][C:22]([OH:24])=[O:23])[CH:11]=[C:12]([CH3:14])[CH:13]=2)[CH:5]=[CH:6][CH:7]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

4

Edukt 2

HCID 3939Lithium HydroxideHCID 89443749Isopropyl 2-[3-[[3-(3-fluorophenyl)-5-methyl-phenyl]methylamino]-2,4-dimethyl-phenoxy]acetate

Produkt 1

HCID 89443614US9249085, I(aj)Ausbeute 68,4 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8028TetrahydrofuranLösungsmittel

Versuchsvorschrift

To a solution of isopropyl 2-[3-[[3-(3-fluorophenyl)-5-methyl-phenyl]methylamino]-2,4-dimethyl-phenoxy]acetate (114 mg, 0.26 mmol, 1.0 eq) in THF (10 mL) at 0° C. was added LiOH (2M aqueous solution, 4 mL, 8 mmol). The reaction mixture was allowed to warm to room temperature and stirred overnight. The THF was removed under reduced pressure and the aqueous solution that remained was diluted with water and adjusted to pH 4-6 by the addition of dilute HCl. The solid precipitate that formed was collected by filtration, washed with water and dried in vacuo to give title compound as a yellow solid (70 mg, 68%).

Aufarbeitung

  1. customThe THF was removed under reduced pressure
  2. additionthe aqueous solution that remained was diluted with water
  3. additionadjusted to pH 4-6 by the addition of dilute HCl
  4. customThe solid precipitate that formed
  5. filtrationwas collected by filtration
  6. washwashed with water
  7. customdried in vacuo

Quellen und Nachweise

ORD-Eintrag
ord-b63be1a99d774864b21198ed841b26d1
Quelldatensatz
uspto-grants-2016_02
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09249085B2

Notizen zur Reaktion

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