Amidines of the formula:
wherein R1 and R2 are alkyl groups and the sum of the carbons in R1 and R2 is from 2 to 16 are produced by cyanoethylation of the lactam:
wherein R, and R2 are as defined above. followed by reduction and finally. cychzation by dehydration The compounds produced are useful for curing epoxy and urtehane resins