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4-(4'-Methoxy-biphenyl-4-yloxymethyl)-5-methyl-furan-2-carboxylic acid → 4-Hydroxy-N-[4-(4'-methoxy-biphenyl-4-yloxymethyl)-5-methyl-furan-2-carbonyl]-benzenesulfonamide

HRID 2266785
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2266785
[CH3:1][O:2][C:3]1[CH:8]=[CH:7][C:6]([C:9]2[CH:14]=[CH:13][C:12]([O:15][CH2:16][C:17]3[CH:18]=[C:19]([C:23](O)=[O:24])[O:20][C:21]=3[CH3:22])=[CH:11][CH:10]=2)=[CH:5][CH:4]=1.[S:26]([C:30]1[CH:35]=[CH:34][C:33]([O:36]C(=O)C)=[CH:32][CH:31]=1)(=[O:29])(=[O:28])[NH2:27].C[O-].[Na+]>CO.O>[OH:36][C:33]1[CH:34]=[CH:35][C:30]([S:26]([NH:27][C:23]([C:19]2[O:20][C:21]([CH3:22])=[C:17]([CH2:16][O:15][C:12]3[CH:11]=[CH:10][C:9]([C:6]4[CH:7]=[CH:8][C:3]([O:2][CH3:1])=[CH:4][CH:5]=4)=[CH:14][CH:13]=3)[CH:18]=2)=[O:24])(=[O:28])=[O:29])=[CH:31][CH:32]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 3

HCID 104272364-(4'-Methoxy-biphenyl-4-yloxymethyl)-5-methyl-furan-2-carboxylic acidHCID 10942334Sodium MethoxideHCID 597731074-Sulfamoylphenyl acetate

Produkt 1

HCID 184445964-Hydroxy-N-[4-(4'-methoxy-biphenyl-4-yloxymethyl)-5-methyl-furan-2-carbonyl]-benzenesulfonamideAusbeute 20,6 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 887
Methanol
Lösungsmittel
HCID 962WaterLösungsmittel

Versuchsvorschrift

4-(4′-Methoxy-biphenyl-4-yloxymethyl)-5-methyl-furan-2-carboxylic acid (4) (50 mg) was reacted with acetic acid 4-sulphamoyl-phenyl ester (64 mg) in an analogous manner to that described in Example 2A. The acetic ester intermediate was hydrolysed with sodium methoxide (80 mg) in a mixture of methanol (10 mL) and water (1 mL) for 1 hour. The solution was concentrated in vacuo then partitioned between dichloromethane (10 mL) and water (10 mL). The organic layer was washed with brine (10 mL)r dried, filtered and concentrated in vacuo. The crude product was purified by preparative HPLC (starting at 30% acetonitrile and increasing at a rate of 1% per minute up to 98% acetonitrile) to give compound 13 as a white solid (15 mg). LC/MS System C: Rt=3.50 mins, m/z (ES−)=492 (M− for C26H23N2O7S).

Aufarbeitung

  1. concentrationThe solution was concentrated in vacuo
  2. customthen partitioned between dichloromethane (10 mL) and water (10 mL)
  3. washThe organic layer was washed with brine (10 mL)r
  4. customdried
  5. filtrationfiltered
  6. concentrationconcentrated in vacuo
  7. customThe crude product was purified by preparative HPLC (
  8. temperatureincreasing at a rate of 1% per minute up to 98% acetonitrile)

Quellen und Nachweise

ORD-Eintrag
ord-04d01e170fd24b5fab6aa7dc5eb64354
Quelldatensatz
uspto-grants-2010_12
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07858644B2

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