The copper-mediated aromatic nucleophilic substitution reactions developed by Fritz
Ullmann and Irma Goldberg required stoichiometric amounts of copper and very high …

The direct and site‐selective transition metal‐catalysed N1‐, C2‐or C3‐arylations of indoles
have been the subject of almost continuous improvements since their discovery in early …

Copper‐catalyzed Ullmann condensations are key reactions for the formation of carbon–
heteroatom and carbon–carbon bonds in organic synthesis. These reactions can lead to …

The C–N cross-coupling chemistry intensely developed since the late 1990s has supplied
synthesists with an overwhelming number of methods to effectively combine carbon and …

Abstract Kupferkatalysierte Ullmann‐Kondensationen sind Schlüsselreaktionen in der
organischen Synthese zur Bildung von Kohlenstoff‐Heteroatom‐und Kohlenstoff …

Transition-metal-catalyzed tandem reactions have emerged as a useful tool for the synthesis
of multiring heterocyclic compounds because of the intriguing selectivity, atom economy,[1] …

Per-6-amino-β-cyclodextrin (per-6-ABCD), acting simultaneously as a supramolecular
ligand for CuI and host for aryl bromides, catalyzes N-arylation of imidazole with aryl …

An efficient approach for the copper-catalyzed regioselective tandem synthesis of diversely
substituted indolo [2, 1-a] isoquinolines 11a–r, pyrrolo [2, 1-a] isoquinolines 12a–d, and …

The heterogeneous N-arylation reaction of indoles with aryl halides was achieved in toluene
at 110° C by using 4 mol% MCM-41-immobilized bidentate nitrogen copper (I) complex …

A convenient and environmentally benign synthesis of N‐arylimidazoles has been
demonstrated by a straightforward reaction catalyzed by the unsaturated coordination sites …