Segawa, Yasutomo; Levine, David R.; Itami, Kenichiro published the artcile< Topologically Unique Molecular Nanocarbons>, Electric Literature of 366-18-7, the main research area is topol mol nanocarbon organic mol.
As new forms of carbon are unearthed, they invariably transform the scientific landscape. Numerous researchers have been inspired to discover the unique characteristics of these fascinating materials, consistently leading to the development of important technol. innovations in materials science. Recently, studies on the preparation of mol. nanocarbons (small mol. analogs of larger carbon nanostructures) by precision organic synthesis have attracted much attention. Cycloparaphenylene (CPP), the substructure of carbon nanotubes (CNTs), is the oldest of such organic mols., and since 2008 the successful synthesis of CPP dramatically advanced the synthetic chem. of mol. nanocarbons. In fact, as pioneering research, we succeeded in producing carbon nanotubes using seed CPP mols. in 2013. This method represented an important landmark in the quest for controlling the diameter of CNTs via utilization of a well-defined small mol. as a template. Other avenues of research on graphene nanoribbons and partial structures of fullerenes such as corannulene and sumanene are also highly active at the current time. On the other hand, carbon forms with nontrivial topologies, i.e., topol. nanocarbons, are virtually unexplored. In addition to the 3D network structures represented by the Mackay crystal, many topol. complex structures have been envisioned. To date, there is no rational approach toward the bottom-up synthesis of these carbon structures. As with the case of fullerenes and CNTs, access to these unique carbon structures should undoubtedly revolutionize a wide range of sciences. This Account highlights our efforts toward the synthesis of topol. unique mol. nanocarbons. Starting from CPP as the topol. simple subunit, we have successfully created novel mol. nanocarbons that have more complexed topologies. The first topic is carbon nanobelts, fully fused cylinder-shaped mol. nanocarbons representing the segment structure of armchair-type CNTs. The second topic is carbon nanocages, mol. nanocarbons having a “”three-holed”” topol. representing the joint unit of branched CNTs. The third and fourth topics are all-benzene catenanes consisting of two CPP rings and an all-benzene trefoil knot topol. related to a carbon nanotorus. The world of nanocarbon mols. is only limited by our imagination and creativity. As history has proved, the synthesis of new forms of carbon and topol. complex mols. has always subsequently led to new fields and applications associated with their unforeseen properties and functions.
Accounts of Chemical Research published new progress about Carbon nanotubes. 366-18-7 belongs to class pyridine-derivatives, and the molecular formula is C10H8N2, Electric Literature of 366-18-7.