Oxidative aromatic coupling occupies a fundamental place in the modern chemistry of
aromatic compounds. It is a method of choice for the assembly of large and bewildering …

Coumarins fused with other aromatic units have recently emerged as a hot topic of research.
Their synthesis is partly based on classical methodologies such as Pechmann reaction or …

Two-dimensionally extended, polycyclic heteroaromatic molecules (heterocyclic
nanographenes) are a highly versatile class of organic materials, applicable as functional …

Dyes having coumarin core which absorbs and emits in deep-red to NIR region have
become incredibly valuable due to their essential role in biology, DSSC, NLO materials, and …

Coumarin-fused-coumarins have attracted significant attention in the scientific world owing
to their boundless applications in interdisciplinary areas. Various synthetic pathways have …

Photosensitizers that display “unusual” emission from upper electronically excited states
offer possibilities for initiating higher-energy processes than what the governing Kasha's rule …

Die oxidative aromatische Kupplung nimmt einen grundlegenden Platz in der modernen
Arenchemie ein. Sie ist das Mittel der Wahl für den Aufbau großer, komplizierter …

Quadrupolar bis-coumarins bearing dialkylamino groups, prepared by a double Pechmann
reaction and subsequent oxidation, strongly emit yellow-orange light. Comparison with non …

A highly efficient procedure for the synthesis of bis-coumarins fused at the pyranone ring has
been developed. The electron-rich phenols reacted with esters of coumarin-3-carboxylic …

Reported herein is an electrophile-modulated aromatization reaction of highly functionalized
cyclopropanes to structurally diverse benzoisocoumarins featuring concurrent formation of …