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Hydrochloric Acid → (E)-3-(4-{5-[(Cyclopropyl-methyl-amino)-methyl]-2-methyl-phenylethynyl}-phenyl)-acrylic acid

HRID 1765810
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1765810
C([O:3][C:4](=[O:28])/[CH:5]=[CH:6]/[C:7]1[CH:12]=[CH:11][C:10]([C:13]#[C:14][C:15]2[CH:20]=[C:19]([CH2:21][N:22]([CH:24]3[CH2:26][CH2:25]3)[CH3:23])[CH:18]=[CH:17][C:16]=2[CH3:27])=[CH:9][CH:8]=1)C.[OH-].[K+].Cl>C(O)C.O1CCCC1>[CH:24]1([N:22]([CH2:21][C:19]2[CH:18]=[CH:17][C:16]([CH3:27])=[C:15]([C:14]#[C:13][C:10]3[CH:9]=[CH:8][C:7](/[CH:6]=[CH:5]/[C:4]([OH:28])=[O:3])=[CH:12][CH:11]=3)[CH:20]=2)[CH3:23])[CH2:25][CH2:26]1
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Komponenten

6

Edukt 3

HCID 313Hydrochloric AcidHCID 14797Potassium HydroxideHCID 57462494(E)-3-(4-{5-[(Cyclopropyl-methyl-amino)-methyl]-2-methyl-phenylethynyl}-phenyl)-acrylic acid ethyl ester2×

Produkt 1

HCID 57462495(E)-3-(4-{5-[(Cyclopropyl-methyl-amino)-methyl]-2-methyl-phenylethynyl}-phenyl)-acrylic acidAusbeute 55,6 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 702
Ethanol
Lösungsmittel
HCID 8028TetrahydrofuranLösungsmittel

Versuchsvorschrift

A solution of (E)-3-(4-{5-[(cyclopropyl-methyl-amino)-methyl]-2-methyl-phenylethynyl}-phenyl)-acrylic acid ethyl ester (Intermediate 100, 0.14 g, 0.37 mmol) in ethanol (3 mL) and tetrahydrofuran (3 mL) was treated with a 3M solution of potassium hydroxide (1 mL, 3 mmol) and the resulting reaction mixture was stirred at ambient temperature overnight. The reaction mixture was neutralized with 5% aqueous hydrochloric acid and extracted with ethyl acetate. The organic phase was washed with water and brine, and dried over anhydrous sodium sulfate, filtered and evaporated in vacuo to a residue that was subjected to flash column chromatography over silica gel (230–400 mesh) using 5% methanol in ethyl acetate as the eluent to afford the title product as an amorphous solid (0.071 g, 55%).

Aufarbeitung

  1. customthe resulting reaction mixture
  2. extractionextracted with ethyl acetate
  3. washThe organic phase was washed with water and brine
  4. dry with materialdried over anhydrous sodium sulfate
  5. filtrationfiltered
  6. customevaporated in vacuo to a residue that

Quellen und Nachweise

ORD-Eintrag
ord-8066e723a8d14d93a0b13ff315ff6a31
Quelldatensatz
uspto-grants-2007_06
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07226951B2

Notizen zur Reaktion

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