SELF-ASSEMBLY OF HYDROGEN-BONDED SUPRAMOLECULAR STRANDS FROM COMPLEMENTARY MELAMINE AND BARBITURATE COMPONENTS WITH CHIRAL SELECTION

Mixtures of the triamino triazines 1-6 with the complementary barbitur ate 7 result in molecular recognition directed self-assembly in soluti on and in the solid state. The cocrystallization of enantiomerically p ure 1 or 2 with 7 leads to the formation of supramolecular strands, wh ich have been characterized by crystal structure determination. When a racemic mixture of 1 and 2 is used, chiral selection occurs within st rands; two homochiral strands crystallize in the unit cell, each conta ining a different triazine enantiomer.