The invention provides a compound of formula A, B, C or D, methods for making them, intermediates therefor, and their use in making organic biologically active compounds: Wherein: X=F, Cl, Br, I, sulfonate esters, phosphate esters or another leaving group 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; or are selected from H, C1-C10 alkyl, aryl, C1-C10 alkynyl, C1-C10 alkenyl, C1-C10cycloalkyl, C1-C10 cycloalkenyl, C1-C10 alkoxy, nitro, halogen or amino R11=tetrafluoroborate, triflate, halogen, perclorate, sulfates, phosphates or carbonates Excluding the case when: X=F and R1=R2=R3=R4=R5=H and R6=R7=R8=R9=methyl, R10=H and R11=triflate or tetrafluoroborate; or Wherein: X=F, Cl, Br, I, sulfonate esters, phosphate esters or other another leaving group; and R1, R2, R3, R4, R5 are each individually selected from H, alkyl, aryl, alkynyl, alkenyl, cycloalkyl, cycloalkenyl, alkoxy, nitro, halogen or amino; or are selected from H, C1-C10 alkyl, aryl, C1-C10 alkynyl, C1-C10 alkenyl, C1-C10 cycloalkyl, C1-C10 cycloalkenyl, C1-C10 alkoxy, nitro, halogen or amino and R11=tetrafluoroborate, triflate, halogen, perclorate, sulfates, phosphates or carbonates; and R12=resin, naphthalene or substituted naphthalene Excluding the case when: X=F and R1=R2=R3=R4=R5=H and R6=R7=R8=R9=methyl, R10=H and R11=triflate or tetrafluoroborate and when X=F and R1=R2=R3=R4=R5=H and R12=poly(styrene-co-divinylbenzene) and R11=triflate or tetrafluoroborate; or Wherein: X=F, Cl, Br, I, sulfonate esters, phosphate esters or another leaving group R13=naphthalene or substituted naphthalene R6, R7, R8, R9, RIO are each individually selected from H, alkyl, aryl, alkynyl, alkenyl, cycloalkyl, cycloalkenyl, alcoxy, nitro, halogen or amino; or are selected from H, C1-C10 alkyl, aryl, C1-C10 alkynyl, C1-C10 alkenyl, C1-C10 cycloalkyl, C1-C10 cycloalkenyl, C1-C10 alkoxy, nitro, halogen or amino R11=tetrafluoroborate, triflate, halogen, perclorate, sulfates, phosphates or carbonates; or X=F, Cl, Br, I, sulfonate esters, phosphate esters or another leaving group R13=naphthalene or substituted naphthalene R11=tetrafluoroborate, triflate, halogen, perclorate, sulfates, phosphates or carbonates R12=resin, naphthalene or substituted naphthalene.