Since the prediction of the existence of metallabenzenes in 1979, metallaaromatic chemistry
has developed rapidly, due to its importance in both experimental and theoretical fields …

Since the discovery of its facile synthesis in 2001, meso-aryl-substituted expanded
porphyrins have been developed as a new class of azaannulenes in light of their facile …

Few concepts are as frequently used as aromaticity in the current chemical literature. 1 This
may be quantified by ca. 300 000 papers dealing with the aromatic properties of chemical …

The chemistry of expanded porphyrins, which are higher homologues of porphyrins, has
been intensively explored for the last three decades. Expanded porphyrins exhibit …

Abstract Nonconjugated hydrocarbons, like bicyclo [1.1. 1] pentane, bicyclo [2.2. 2] octane,
triptycene, and cubane are a unique class of rigid linkers. Due to their similarity in size and …

We give an overview of the molecular response to an external magnetic field perturbing
quantum mechanical systems. We present state-of-the-art methods for calculating …

Recently, Baird (anti) aromaticity has been referred to as a description of excited-state (anti)
aromaticity. With the term of Baird's rule, recent studies have intensively verified that the …

We present the first helicene carbon nanoohop that integrates a [6] helicene into [7]
cycloparaphenylene. The [6] helicene endows the helicene carbon nanohoop with …

This review underscores the conformational flexibility of porphyrinoids, a unique class of
functional molecules, starting from the smallest triphyrins (1.1. 1) via [18] porphyrins (1.1 …

The aromatic character of porphyrins, which has significant chemical and biological
consequences, can be substantially altered by judicious modifications of the parent ring …