Cycloparaphenylenes and related nanohoops

SE Lewis - Chemical Society Reviews, 2015 - pubs.rsc.org
The first synthesis of a cyclic oligophenylene possessing a radial π system was reported in
2008. In the short period that has elapsed since, there has been an ever-increasing level of …

Nonplanar aromatic hydrocarbons: Design and synthesis of highly strained structures

Y Segawa - Bulletin of the Chemical Society of Japan, 2022 - academic.oup.com
Aromatic hydrocarbons are indispensable components of functional organic materials. An
sp2-hybridized carbon atom can form a nonplanar structure through an appropriate …

Theoretical studies on the structures and strain energies of cycloparaphenylenes

Y Segawa, H Omachi, K Itami - Organic letters, 2010 - ACS Publications
The structures and strain energies of cycloparaphenylenes (CPPs) have been determined
by DFT calculation at the B3LYP/6-31G (d) level of theory. Fifteen stable conformations of …

A novel structure of grid spirofluorene: a new organic semiconductor with low reorganization energy

L Yang, J Mao, CZ Yin, MA Ali, XP Wu… - New Journal of …, 2019 - pubs.rsc.org
The lower charge mobility of organic semiconductors relative to that of inorganic
semiconductors is a thorny problem that still has not been resolved. Here, a new type of …

Cubic Nanogrids for Counterbalance Contradiction among Reorganization Energy, Strain Energy, and Wide Bandgap

Y Wang, M Fu, X Zhang, D Jin, S Zhu… - The Journal of …, 2022 - ACS Publications
Molecular cross-scale gridization and polygridization of organic π-backbones make it
possible to install 0/1/2/3-dimensional organic wide-bandgap semiconductors (OWBGSs) …

Size-selective synthesis of large cycloparaphenyleneacetylene carbon nanohoops using alkyne metathesis

X Zhou, RR Thompson, FR Fronczek, S Lee - Organic letters, 2019 - ACS Publications
Size selective synthesis of large cycloparaphenyleneacetylene carbon nanohoops was
achieved using alkyne metathesis. The large nanohoops were stable in ambient conditions …

Phenylenevinylene oligomers by Mizoroki-Heck cross coupling reaction. Structural and optoelectronic characterization

SE Estrada, C Ochoa-Puentes, CA Sierra - Journal of Molecular Structure, 2017 - Elsevier
In order to study the effect of the molecular structure on the optical properties of totally trans-
trans phenylenevinylene oligomers (OPVs), sixteen 1, 4-distyrylbenzene derivatives (1a-i …

Chemistry of Anthracene–Acetylene Oligomers. XXIV. Theoretical Evaluation of Molecular Strain and Interactions in Anthracene–Acetylene Cyclic Oligomers by …

S Toyota, K Wakamatsu, T Kawakami… - Bulletin of the …, 2015 - academic.oup.com
The structures and stabilities of 1, 8-anthrylene cyclic oligomers having acetylene or
diacetylene linkers were investigated by DFT calculations with M05 and M06 series …

Computational Chemical Studies on Thermochemistry and Ring Strains in Cyclic [n] Metaphenyleneacetylenes, Butadiyne-Bridged [4 n] Metacyclophynes, and …

MA Ali, MS Krishnan - The Journal of Organic Chemistry, 2010 - ACS Publications
The thermochemical properties and ring strains in cyclic [n] metaphenyleneacetylenes ([n]
CMPAs), butadiyne-bridged [4 n] metacyclophynes (BB [4 n] MCs), and butadiyne-bridged [4 …

Defining cyclic–acyclic exciton transition at the single-molecule level: size-dependent conformational heterogeneity and exciton delocalization in ethynylene-bridged …

KH Park, JW Cho, TW Kim, H Shimizu… - The Journal of …, 2016 - ACS Publications
Conformational disorder in π-conjugated cyclic systems plays a crucial role in controlling the
extent of exciton delocalization in much the same way as that in linear counterparts …