Patent ID: 6159891
Filing Date: 2000-12-12
Classification: B01J,C07B,C07C,C07D

Abstract:
A catalyst comprising a palladium(II) halide and a phosphine chalcogenide of the following formula (1): ##STR9## wherein each of R.sup.1, R.sup.2 and R.sup.3 is, independently, an alkyl group or an aryl group each of which may have a substituent selected from the group consisting of aryl groups, alkyl groups, cycloalkyl groups, halogen atoms, hydroxyl groups which may be protected with a protective group, mercapto groups which may be protected with a protective group, alkoxy groups, alkylthio groups, nitro group, haloalkyl groups, carboxy groups which may be protected with a protective group, alkoxycarbonyl groups, aryloxycarbonyl groups, substituted or unsubstituted carbamoyl groups, amino groups which may be protected with a protective group, mono- or di-alkylamino groups, acylamino groups, and acyl groups;A is an element selected from the group consisting of a sulfur atom or a selenium atom; and R.sup.1, R.sup.2 or R.sup.3 may be combined, directly or through a bridging group, with one another where the groups to be combined may be attached either to the same phosphorus atom or to a different phosphorus atom.