HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Sodium Hydroxide → 3-(beta-D-glucopyranosyloxy)-4-[(4-iso-propoxyphenyl)methyl]-5-methyl-1H-pyrazole
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | Sodium Hydroxide | HCID 14798 | — |
| Edukt | 4-[(4-Isopropoxy-phenyl)methyl]-5-methyl-3-(2,3,4,6-tetra-o-acetyl-beta-d-glucopyranosyloxy)-1h-pyrazole | HCID 67335077 | — |
| Lösungsmittel | Ethanol | HCID 702 | — |
| Produkt | 3-(beta-D-glucopyranosyloxy)-4-[(4-iso-propoxyphenyl)methyl]-5-methyl-1H-pyrazole | HCID 9801558 | 90,3% |
Reaktionsschritte
To a solution of 4-[(4-isopropoxyphenyl)methyl]-5-methyl-3-(2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyloxy)-1H-pyrazole (61 mg) in ethanol (3 mL) was added 1 mol/L aqueous sodium hydroxide solution (0.53 mL), and the mixture was stirred at room temperature for 2 hours. The solvent was removed under reduced pressure, and the residue was purified by solid phase extraction on ODS (washing solvent: distilled water, eluent: methanol) to give 3-(β-D-glucopyranosyloxy)-4-[(4-isopropoxyphenyl)methyl]-5-methyl-1H-pyrazole (39 mg).
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US07429568B2 |
| Quelldatensatz | uspto-grants-2008_09 |
| ORD ID | ord-6b58242a1b404f2f95759d9ed5e07d82 |
| Quellennotiz | uspto-grants-2008_09 |