Patent ID: 8420755

Claim:
A compound represented by Chemical formula 1: {[H—P(R1) 3 ] + } 2 [(C 6 F 5 ) 3 B—Z—B(C 6 F 5 ) 3 ] 2− Chemical formula 1 wherein, R1 is the same or different from each other and is independently selected from the group consisting of hydrogen, a linear or branched C1-C20 alkyl group, a substituted or unsubstituted C3-C12 cycloalkyl group, a substituted or unsubstituted C6-C40 aryl group, a substituted or unsubstituted C7-C15 aralkyl group, a substituted or unsubstituted C7-C15 aralkenyl, and a substituted or unsubstituted C2-C20 alkynyl group; Z is a group connecting two boron atoms by a covalent bond, which is selected from the group consisting of a linear or branched C1-C20 alkylene group, a substituted or unsubstituted C3-C12 cycloalkylene group, a substituted or unsubstituted C6-C40 arylene group, a substituted or unsubstituted C7-C15 aralkylene group, a substituted or unsubstituted C2-C20 alkenylene group, and C2-C20 alkylene group.