HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Protocatechuic Acid → 2-(3,4-dihydroxybenzoyl)oxymethyl-5-hydroxy-4H-pyran-4-one
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | Protocatechuic Acid | HCID 72 | — |
| Edukt | Sodium Hydroxide | HCID 14798 | — |
| Edukt | Chlorokojic acid | HCID 82051 | — |
| Produkt | 2-(3,4-dihydroxybenzoyl)oxymethyl-5-hydroxy-4H-pyran-4-one | HCID 22404011 | 43,3% |
Reaktionsschritte
By following the procedure of Example 1 by employing 4.22 g(27.4 mmole) of 3,4-dihydroxybenzoic acid, 1.1 g (27.5 mmole) of sodium hydroxide and 4 g(24.9 mmole) of chlorokojic acid, there was obtained 3.0 g(43.3%) of 2-(3,4-dihydroxybenzoyl)oxymethyl-5-hydroxy-4H-pyran-4-one as as a solid.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US05523421 |
| Quelldatensatz | uspto-grants-1996_06 |
| ORD ID | ord-bc57c004a36949f6923aeef31c002618 |
| Quellennotiz | uspto-grants-1996_06 |