Introduction of peripheral nitrogen atoms to cyclo-meta-phenylenes

• Koki Ikemoto and
• Hiroyuki Isobe

Beilstein J. Org. Chem. 2024, 20, 1207–1212, doi:10.3762/bjoc.20.103

• ), 129.9 (CH), 127.5 (CH), 127.3 (CH); HRMS (APCI) (m/z): [M + H]+ calcd. for C44H29N4, 613.2387; found, 613.2366. Nitrogen-doped nanocarbons. (a) Schematic illustration of pyridinic nitrogen atoms installed at the interior and periphery of a graphene sheet. (b) Phenine nanocarbon molecules with nitrogen

Spin and charge interactions between nanographene host and ferrocene

• Akira Suzuki,
• Yuya Miyake,
• Ryoga Shibata and
• Kazuyuki Takai

Beilstein J. Org. Chem. 2024, 20, 1011–1019, doi:10.3762/bjoc.20.89

• interactions between the nanographene host and the guest molecules will be a promising strategy for developing a new class of molecular magnets. Keywords: charge transfer; ferrocene; graphene; host–guest; spin interaction; Introduction Nanocarbon host material, which is based on elements free from resource

• mesoporous silica (MCM-41) [18]. So, ferrocene is expected to exhibit strong host–guest interactions with a nanographene host through π–π stacking. Regarding ferrocene as a guest molecule for nanocarbon hosts, carbon nanotubes (CNTs) have been used to accommodate guest ferrocene molecules, where the amount

Facile access to pyridinium-based bent aromatic amphiphiles: nonionic surface modification of nanocarbons in water

• Lorenzo Catti,
• Shinji Aoyama and
• Michito Yoshizawa

Beilstein J. Org. Chem. 2024, 20, 32–40, doi:10.3762/bjoc.20.5

• , and graphene nanoplatelets) are achieved through noncovalent encircling with the bent amphiphiles. The resultant imidazole-modified nanocarbons display a pH-responsive surface charge, as evidenced by NMR and zeta-potential measurements. In addition, solubilization of a nitrogen-doped nanocarbon (i.e

• ., graphitic carbon nitride) in the form of 10–30 nm-sized stacks is also demonstrated using the present amphiphiles. Keywords: aromatic micelle; nanocarbon; nonionic surface modification; pyridinium; water-solubilization; Introduction Nanocarbons, such as fullerenes, graphenes, and carbon nanotubes, are

• ][9][10][11]. The development of new amphiphiles with large polyaromatic panels for strong aromatic–aromatic interactions and nonionic side-chains on the other hand would grant access to water-soluble nanocarbons with tunable surface properties, which could expand noncovalent nanocarbon chemistry and

Six-fold C–H borylation of hexa-peri-hexabenzocoronene

• Mai Nagase,
• Kenta Kato,
• Akiko Yagi,
• Yasutomo Segawa and
• Kenichiro Itami

Beilstein J. Org. Chem. 2020, 16, 391–397, doi:10.3762/bjoc.16.37

• Mai Nagase Kenta Kato Akiko Yagi Yasutomo Segawa Kenichiro Itami Graduate School of Science, Nagoya University, Chikusa, Nagoya, 464-8602, Japan JST-ERATO, Itami Molecular Nanocarbon Project, Nagoya, 464-8602, Japan Institute of Transformative Bio-Molecules (WPI-ITbM), Nagoya University, Chikusa

Mechanochemistry-assisted synthesis of hierarchical porous carbons applied as supercapacitors

• Desirée Leistenschneider,
• Nicolas Jäckel,
• Felix Hippauf,
• Volker Presser and
• Lars Borchardt

Beilstein J. Org. Chem. 2017, 13, 1332–1341, doi:10.3762/bjoc.13.130

• ]. For example, the preparation of nanocarbon structures such as graphene sheets or fullerenes [39][40][41] as well as porous carbonaceous polymers [42][43] have been conducted mechanochemically. Our work demonstrates that a templating approach can be transferred into the solvent-free environment of a

Pyridylidene ligand facilitates gold-catalyzed oxidative C–H arylation of heterocycles

• Kazuhiro Hata,
• Hideto Ito,
• Yasutomo Segawa and
• Kenichiro Itami

Beilstein J. Org. Chem. 2015, 11, 2737–2746, doi:10.3762/bjoc.11.295

• Kazuhiro Hata Hideto Ito Yasutomo Segawa Kenichiro Itami Graduate School of Science, Nagoya University, Chikusa, Nagoya 464-8602, Japan JST, ERATO, Itami Molecular Nanocarbon Project, Nagoya University, Chikusa, Nagoya 464-8602, Japan Institute of Transformative Bio-Molecules (WPI-ITbM), Nagoya