Patent ID: 9359294
Filing Date: 2016-06-07
CPC Classification: C07C,C07J

Claim Text:
1. A compound of formula A Formula A wherein: X=F, Cl, Br, I, a sulfonate ester, a phosphate ester or a conjugated base of a strong acid having a pKa≦2; and R1, R2, R3, R4, R5, R6, R7, R8, R9, R10 are each individually selected from H, alkyl, aryl, alkynyl, alkenyl, cycloalkyl, cycloalkenyl, alkoxy, nitro, halogen or amino; and R11=tetrafluoroborate, triflate, halogen, perclorate, sulfate or carbonate; with the proviso that at least one of R1, R2, R3, R4, R5, R6, R7, R8, R9, R10 is not H; excluding the case when: X=F, Cl, Br, or I and R1=R2=R3=R4=R5=H and R6=R7=R8=R9=methyl, R10=H and R11=triflate tetrafluoroborate, halogen, perchlorate, sulfate or carbonate.