Patent ID: 6717016
Filing Date: 2004-04-06
Classification: B01J,C07B,C07C,C07F

Abstract:
A phosphine compound of the formula (1): where R1 is a linear or branched alkyl group having 1 to 5 carbon atoms, R2 and R3 represent independently a hydrogen atom or an alkyl group having 1 to 5 carbon atoms, R4, R5, R6 and R7 represent independently a hydrogen atom, a halogen atom, an alkyl group having 1 to 5 carbon atoms, an alkoxy group having 1 to 5 carbon atoms, or a dialkylamino group where the alkyl has 1 to 5 carbon atoms, X represents a functional group that forms a stable bond with phosphorous atom, with the proviso that R4 and R5 or R5 and R6 or R6 and R7 taken together with the carbon atoms to which they are attached optionally form a ring or fused ring.