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Sodium Hydroxide → 6-Cyano-7-(4-(4-((dimethylamino)methyl)phenethylcarbamoyl)phenoxy)chroman-4-carboxylic acid

HRID 1048045
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1048045
[C:1]([C:3]1[CH:4]=[C:5]2[C:10](=[CH:11][C:12]=1[O:13][C:14]1[CH:19]=[CH:18][C:17]([C:20](=[O:34])[NH:21][CH2:22][CH2:23][C:24]3[CH:29]=[CH:28][C:27]([CH2:30][N:31]([CH3:33])[CH3:32])=[CH:26][CH:25]=3)=[CH:16][CH:15]=1)[O:9][CH2:8][CH2:7][CH:6]2[C:35]([O:37]C)=[O:36])#[N:2].[OH-].[Na+]>CO>[C:1]([C:3]1[CH:4]=[C:5]2[C:10](=[CH:11][C:12]=1[O:13][C:14]1[CH:15]=[CH:16][C:17]([C:20](=[O:34])[NH:21][CH2:22][CH2:23][C:24]3[CH:25]=[CH:26][C:27]([CH2:30][N:31]([CH3:33])[CH3:32])=[CH:28][CH:29]=3)=[CH:18][CH:19]=1)[O:9][CH2:8][CH2:7][CH:6]2[C:35]([OH:37])=[O:36])#[N:2]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

4

Edukt 2

HCID 14798Sodium HydroxideHCID 67080472Methyl 6-cyano-7-(4-(4-((dimethylamino)methyl)phenethylcarbamoyl)phenoxy)chroman-4-carboxylate

Produkt 1

HCID 670801586-Cyano-7-(4-(4-((dimethylamino)methyl)phenethylcarbamoyl)phenoxy)chroman-4-carboxylic acidAusbeute 28,8 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 887MethanolLösungsmittel

Versuchsvorschrift

To a stirred solution of methyl 6-cyano-7-(4-(4-((dimethylamino)methyl)phenethylcarbamoyl)phenoxy)chroman-4-carboxylate (83 mg, 0.16 mmol) in methanol (1 mL) at ambient temperature was added a 2M solution of sodium hydroxide (0.40 mL, 0.80 mmol). After stirring at ambient temperature for 1 hour the solution was concentrated, and the residual solid was redissolved in water (5 mL). The pH was adjusted to 4.5 to precipitate the product, and chloroform (5 mL) was added. After stirring the multiphase mixture for a few minutes, the product separated as a thick oil on the side of the flask. The chloroform/water mixture was decanted away and the residue dried under vacuum to afford 6-cyano-7-(4-(4-((dimethylamino)methyl)phenethylcarbamoyl)phenoxy)chroman-4-carboxylic acid as a light yellow glass (23 mg, 28% yield). MS (apci) m/z=500.1 (M+H).

Aufarbeitung

  1. concentrationwas concentrated
  2. dissolutionthe residual solid was redissolved in water (5 mL)
  3. customto precipitate the product, and chloroform (5 mL)
  4. additionwas added
  5. stirringAfter stirring the multiphase mixture for a few minutes
  6. customthe product separated as a thick oil on the side of the flask
  7. customThe chloroform/water mixture was decanted away
  8. customthe residue dried under vacuum

Quellen und Nachweise

ORD-Eintrag
ord-c453d75c396b43ccb213f024dfd9a25d
Quelldatensatz
uspto-grants-2013_10
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08569522B2

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