HuagongsheHuagongshe Chemistry Print Report · For research reference only
2,2-Di{4-[difluoro(phosphono)methyl]benzyl}malonic acid, dibenzyl ester → 2,2-Di{4-[Difluoro(Phosphono)Methyl]Benzyl}Malonic Acid
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 2,2-Di{4-[difluoro(phosphono)methyl]benzyl}malonic acid, dibenzyl ester | HCID 15485891 | — |
| Catalyst | Formic Acid | HCID 284 | — |
| Catalyst | Palladium Chloride | HCID 24290 | — |
| Solvent | Methanol | HCID 887 | — |
| Product | 2,2-Di{4-[Difluoro(Phosphono)Methyl]Benzyl}Malonic Acid | HCID 21265688 | 66.6% |
Reaction Steps
A mixture of the product of Example 2 (0.2 g), PdCl2 and a few drops of HCO2H in 20 mL of MeOH was shaken under 50 psi of H2 for 24 h. The reaction mixture was filtered through celite and the filtrate was concentrated. The residue was lyopholized to give 0.1 g of the title compound.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06174874B1 |
| Source dataset | uspto-grants-2001_01 |
| ORD ID | ord-652f38ba5d8c4e6db5c507ec144e985d |
| Source note | uspto-grants-2001_01 |