Hydrogen-bonding motifs in the crystals of secondary diamides with 2- amino-6-methyl- and 2,6-diaminopyridine subunits

Article abstract of DOI:10.1016/S0040-4020(99)00789-9

Hydrogen-bonding motifs in the crystal structures of N,N'-bis-(6-methyl- pyridin-2-yl)isophthalamide (1), 1,3-bis[[(6-methyl-pyridin-2- yl)amino]carbonyl-methyloxy]benzene (2), N,N'-bis-(6-amino-pyridin-2-yl)- isophthalamide (3) and 1,3-bis[[(6-amino-pyri