Patent ID: 6642401
Filing Date: 2003-11-04
Classification: C07C,C07F,C23C

Abstract:
A &bgr;-diketonatocopper(I) complex which contains as a ligand (L) an allene compound of formula (1) wherein R1, R2, R3 and R4 may be the same or different and each represents hydrogen, C1-4 alkyl or (R5)3Siâ€”, or R1 and R2, together with the carbon atom bonding them, may form 3- to 6-member ring, or R2 and R3, together with the allene bond group bonding them, may form 8- to 10-member ring, R5s may be the same or different and independently of one another represent linear or branched C1-4 alkyl, and which is represented by formula (2) â€ƒwherein, R6 and R7 may be the same or different and each represents linear or branched C1-4 alkyl, C1-4 alkoxy, or linear or branched C1-4 fluoroalkyl, R8 represents hydrogen or fluorine, and L represents the allene compound of formula (1).