抄録
The crystal structure of N,N′-diphenyl-2,6-bis(tosylaminomethyl)pyridine 3a and N,N′-dibenzyl-2,6-bis(tosylamino-methyl)pyridine 3b were determined. The structures were solved by the direct method and refined to R = 0.040 and R = 0.039, respectively. Tosylamide 3a has a symmetric structure, but 3b has a complicated asymmetric conformation, unexpectedly. All oxygen atoms of the tosyl group are opposite side to the pyridine nitrogen.
