HuagongsheHuagongshe Chemistry Print Report · For research reference only
Protocatechuic Acid → 2-(3,4-dihydroxybenzoyl)oxymethyl-5-hydroxy-4H-pyran-4-one
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Protocatechuic Acid | HCID 72 | — |
| Reactant | Sodium Hydroxide | HCID 14798 | — |
| Reactant | Chlorokojic acid | HCID 82051 | — |
| Product | 2-(3,4-dihydroxybenzoyl)oxymethyl-5-hydroxy-4H-pyran-4-one | HCID 22404011 | 43.3% |
Reaction Steps
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.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05523421 |
| Source dataset | uspto-grants-1996_06 |
| ORD ID | ord-bc57c004a36949f6923aeef31c002618 |
| Source note | uspto-grants-1996_06 |