Patent ID: 7205436

Claim:
A process for preparing quaternary ammonium tosylates of Formula VI, where: each ArCO is independently p-N,N-dimethylamino benzoyl or p-methoxy cinnamoyl; R 1 is selected from H or alkyl groups containing from 1 to 6 carbon atoms; R 2 and R 3 are independently selected from alkyl groups containing from 1 to 12 carbon atoms; n is an integer having values from 1 to 6; and m is an integer having values from 1 to 10; the process comprising: reacting a compound of Formula V with sodium p-toluene sulphonate, the respective substituents ArCO, R 1 , R 2 , R 3 , n and m of Formula V, being as defined for the compounds of Formula VI in this claim: