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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 255426Generated: November 1, 2026

Ethanol → 3-Ethyl 5-methyl 6-(difluoromethyl)-4-isopropylamino-2-(trifluoromethyl)-3,5-pyridinedicarboxylate

https://huagongshe.com/reaction/255426

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthanolHCID 702—
ReactantTriethylamineHCID 8471—
Reactant3-Ethyl 5-methyl 6-(chlorodifluoromethyl)-4-(isopropylamino)-2-(trifluoromethyl)-3,5-pyridinedicarboxylateHCID 14013811—
CatalystPalladiumHCID 23938—
Product3-Ethyl 5-methyl 6-(difluoromethyl)-4-isopropylamino-2-(trifluoromethyl)-3,5-pyridinedicarboxylateHCID 1437340689.8%

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

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04698093
Source datasetuspto-grants-1987_10
ORD IDord-2f1a918c5d954a689f4c88b620cff4f5
Source noteuspto-grants-1987_10