A fluorescent polycatenated hydrogen-bonded organic framework (MEP-HOF) has been developed using a C3-symmetric rigid macrocycle as the exclusive building block. Stabilised by intermolecular non-covalent interactions in the solid state, the...
Monodisperse molecular nanotubes, particularly those with uniform lengths, are challenging targets for chemical synthesis. Here we report the general design and efficient synthesis of finite molecular nanotubes, utilizing a dynamic assembly strategy to precisely pile axially functionalized macrocycles by chemical connections. Discrete tubular molecules, ranging from 7.8 k to 19.8 k Dalton with covalent or coordinative connections, have been prepared from modular macrocyclic building blocks through highly convergent routes.The discrete molecular nature and structural anisotropy of these synthetic tubes warrant post-synthesis modifications and solution processing methods, as demonstrated by the controllable orientations when deposited onto different prefabricated surfaces.
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