HuagongsheHuagongshe Chemistry Print Report · For research reference only
Ethanol → 3-Ethyl 5-methyl 6-(difluoromethyl)-4-isopropylamino-2-(trifluoromethyl)-3,5-pyridinedicarboxylate
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Ethanol | HCID 702 | — |
| Reactant | Triethylamine | HCID 8471 | — |
| Reactant | 3-Ethyl 5-methyl 6-(chlorodifluoromethyl)-4-(isopropylamino)-2-(trifluoromethyl)-3,5-pyridinedicarboxylate | HCID 14013811 | — |
| Catalyst | Palladium | HCID 23938 | — |
| Product | 3-Ethyl 5-methyl 6-(difluoromethyl)-4-isopropylamino-2-(trifluoromethyl)-3,5-pyridinedicarboxylate | HCID 14373406 | 89.8% |
Reaction Steps
This compound was prepared as described in Example 54: 2.7 g (0.006 mol) of product of Example 60, 0.65 g (0.006 mol) of triethylamine and 0.12 g of Pd/C (10%) in 30 mol of ethanol were reacted affording an oil residue which was kugelrohr distilled at 80 Pa, pot temperature 104° C., to give 2.07 g (89.8%) of product as a white solid; mp 53°-55° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04698093 |
| Source dataset | uspto-grants-1987_10 |
| ORD ID | ord-2f1a918c5d954a689f4c88b620cff4f5 |
| Source note | uspto-grants-1987_10 |