摘要:
Alkylpyridinium dicyanamide of the formula: in which Rn1 is cyano or C1-20-alkyl and n is an integer from 0 to 3 and any R1 radicals present are the same or different, and in which R2 is C1-20-alkyl. There are processes for their preparation from alkylpyridinium halides and alkali metal dicyanamide, They can be used as polar solvents.