A phosphine-catalyzed acyl-group exchangereaction between carboxylic acids and an aroyl fluoride has been developed. A variety of acyl fluorides are directly obtained from carboxylic acids through a catalytic system composed of tricyclohexylphosphine (PCy3) and 2,6-difluorobenzoyl fluoride as a novel deoxyfluorination reagent.
PATRICK, T. B.;POON, YAM-FOO, TETRAHEDRON LETT., 1984, 25, N 10, 1019-1022
作者:PATRICK, T. B.、POON, YAM-FOO
DOI:——
日期:——
Preparation of fluorolactones from the reaction of γ-ketoacids with diethylaminosulfur trifluoride
作者:Timothy B. Patrick、Yam-Foo Poon
DOI:10.1016/s0040-4039(01)80089-7
日期:1984.1
Levulinic acid and related γ-ketoacids react with diethylaminosulfur trifluoride to give γ-fluorobutyrolactones in good yield. The involvement of a bicyclic (3.2.1) mechanism is considered.