Triethylamine → 2,2,3,3-Tetrafluorocyclobutyl isopropyl ether

Participants

Reaction Steps

To 40 g of 10% strength palladium-carbon under nitrogen a solution of 274 g (1.26 mol) of 2-chloro-3,3,4,4-tetrafluorocyclobutenyl isopropyl ether, 252 g (2.50 mol) of triethylamine, and 1200 ml of ether dried over calcium chloride is added, and the mixture is hydrogenated in a 3 l VA autoclave at 100° C. until the pressure is constant (about 5 hours). The solid is filtered off with suction and washed well with ether, and the filtrate is washed with dilute hydrochloric acid. After drying, the organic phase is distilled.

Provenance & Evidence