A new aromaticity index and its application to five-membered ring heterocycles

TL;DR: A previously described index of aromatic character has now been applied to six-membered ring heterocycles as mentioned in this paper, which is able to indicate the extent of aromatic characters retained by the amide form of potential hydroxyheterocycles.

TL;DR: In this article, it was shown that cyclopentadienes, when 5,5-disubstituted with electropositive groups, have considerably enhanced cyclic conjugation in comparison with the parent molecule, C5H6 according to various aromaticity indices.

TL;DR: This review provides a comprehensive overview of metallaromatic chemistry and focuses on not only the six major classes of metallaaromatics, including the main-group-metal-based metallaarate compounds, but also other types, such as metallacyclobutadienes and met allacyclopropenes.

TL;DR: In this paper, the authors focus on the use of heteroatom substitution to tune the properties of conjugated polymers and highlight the impact of these modifications on the performance of these polymers in photovoltaic cells.

TL;DR: The ground state aromaticities of furan, thiophen, selenophen, and telurophen have been compared using seven different criteria: the n.m. dilution shift, the difference in chemical shifts of the β- and α-protons, the effect of a 2-methyl substituent on the ring proton chemical shifts, the diamagnetic susceptibility exaltation, the sum of the bond orders, the Julg parameter, and the mesomeric dipole moment as mentioned in this paper.

TL;DR: The crystal structure of the title compound at 128 K confirms the presence of the pentazole ring which, as a substituent, appears to have an inductive effect similar to that of the nitro group.