Dicyclohexylcarbodiimide → HCID 20515769, compound

Participants

Reaction Steps

N-(2-fluoro-4-bromophenyl)-3,4,5,6-tetrahydroisophthalamic acid (84.4 g) and dicyclohexylcarbodiimide (51.0 g) were added to toluene (600 ml) and the mixture was stirred at 0°-10° C. for 2 hours. The precipitate was removed and the filtrate was concentrated to dryness under reduced pressure. The oil was washed with n-hexane by decanting. The crystals were recovered by filtration and washed with a small quantity of cold n-hexane. Yield 36.4 g.; m.p. 45°-46° C.

Provenance & Evidence