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Certain molecular structures that have controlled rolling properties on surfaces have been termed as nanocars. The syntheses of nanocars are generally multi-stepped. We report here the synthesis of two nanocars by a process resembling an assembly line where front and rear portions are attached using hydrogen bonding and metal complexation. Nanocars 1a and 2a,b were designed using 2-pyridone moieties...
The strong hydrogen bonding ability of 2-pyridones were exploited to build nanotrains on surfaces. Carborane wheels on axles difunctionalized with 2-pyridone hydrogen bonding units were synthesized and displayed spontaneous formation of linear nanotrains by self-assembly on SiO2 or mica surfaces. Imaging using atomic force microscopy confirmed linear formations with lengths up to 5 µm and heights...
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