p-Toluenesulfonic acid monohydrate → HCID 86720817, Verbindung

HRID 877317

Reaktionsgleichung

Reaktionsgleichung von HRID 877317
[CH3:1][O:2][CH:3]=[CH:4][C:5]1[CH:14]=[CH:13][C:8]([C:9]([O:11][CH3:12])=[O:10])=[CH:7][CH:6]=1.[OH2:15].[C:16]1(C)C=CC(S(O)(=O)=O)=CC=1>CO>[CH3:16][O:15][CH:3]([O:2][CH3:1])[CH2:4][C:5]1[CH:14]=[CH:13][C:8]([C:9]([O:11][CH3:12])=[O:10])=[CH:7][CH:6]=1

Komponenten

4

Edukt 2

HCID 521998p-Toluenesulfonic acid monohydrateHCID 54136641Methyl 4-(2-methoxyethenyl)benzoate

Produkt 1

HCID 86720817HCID 86720817, Verbindung

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 887MethanolLösungsmittel

Versuchsvorschrift

To a solution of methyl 4-(2-methoxyvinyl)benzoate (1.36 g, 7.08 mmol) in methanol (30 mL) was added para-toluenesulfonic acid monohydrate (pTSA) (0.135 g, 0.71 mmol) and the reaction mixture heated under reflux for 18 hours. The solvent was evaporated at reduced pressure. The residue was partitioned between DCM and 10% aqueous potassium carbonate. The organic phase was poured through a hydrophobic fit and the solvent evaporated at reduced pressure. The crude material was used in the next step without further purification.

Aufarbeitung

  1. temperaturethe reaction mixture heated
  2. temperatureunder reflux for 18 hours
  3. customThe solvent was evaporated at reduced pressure
  4. customThe residue was partitioned between DCM and 10% aqueous potassium carbonate
  5. additionThe organic phase was poured through a hydrophobic fit
  6. customthe solvent evaporated at reduced pressure
  7. customThe crude material was used in the next step without further purification

Quellen und Nachweise

ORD-Eintrag
ord-b56a5c9f0c3648a4ab4d0770ff57f6d0
Quelldatensatz
uspto-grants-2015_03
Patentnummer
US08987299B2

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