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Angewandte Chemie, ISSN 0044-8249, 07/2018, Volume 130, Issue 31, pp. 9876 - 9881
5,15‐Dioxaporphyrin was synthesized for the first time by a nucleophilic aromatic substitution reaction of a nickel bis(α,α′‐dibromodipyrrin) complex with... 
Heterocyclen | Dimere | Aromatizität | Porphyrinoide | Redoxchemie
Journal Article
Angewandte Chemie, ISSN 0044-8249, 02/2016, Volume 128, Issue 6, pp. 2275 - 2278
The first examples of air‐stable 20π‐electron 5,10,15,20‐tetraaryl‐5,15‐diaza‐5,15‐dihydroporphyrins, their 18π‐electron dications, and the 19π‐electron... 
Heterocyclen | Annulene | Aromatizität | Porphyrinoide | Redoxchemie
Journal Article
Angewandte Chemie, ISSN 0044-8249, 07/2018, Volume 130, Issue 31, pp. 9892 - 9896
A robust, click‐chemistry‐inspired procedure for radiolabeling of cyclic ureas was developed. This protocol, suitable for all carbon isotopes (11C, 13C, 14C),... 
Kohlenstoff-14 | Kohlenstoff-11 | Heterocyclen | Kohlendioxid | Isotopenmarkierung | Drugs | Labeling
Journal Article
Angewandte Chemie, ISSN 0044-8249, 11/2017, Volume 129, Issue 46, pp. 14794 - 14798
Analogues of dibenzodiazepines, in which the seven‐membered nitrogen heterocycle is replaced by a 9–12‐membered ring, were made by an unactivated Smiles... 
Umlagerungen | Cyclisierungen | Heterocyclen | Wasserstoffbrücken | Mittelgroße Ringe | Hydrogen
Journal Article
Angewandte Chemie, ISSN 0044-8249, 11/2017, Volume 129, Issue 45, pp. 14187 - 14190
We report a method for overcoming the low stability of nitroalkynes through the development of nitrated vinyl silyltriflate equivalents. Because of their... 
Nitroalkine | Heterocyclen | Instabile Zwischenstufen | Mehrstufige Durchflusssynthesen | Cycloadditionen
Journal Article
Angewandte Chemie, ISSN 0044-8249, 07/2017, Volume 129, Issue 28, pp. 8285 - 8289
Five new compounds comprised of unprecedented boron–nitrogen heterocycles have been isolated from a single reaction of a potentially tetradentate N2O23−... 
Stabile Radikale | Borchemie | BN-Heterocyclen | Redoxchemie | Formazanatliganden
Journal Article
Angewandte Chemie, ISSN 0044-8249, 05/2017, Volume 129, Issue 22, pp. 6332 - 6336
Four‐membered rings with a P2Ch2 core (Ch=S, Se) and phosphorus in the +3 oxidation state have been synthesized. The utility of these rings as a source of... 
Phosphinidenchalkogenide | Chalkogene | Hauptgruppenelemente | Phosphor | Phosphorchalkogen-Heterocyclen | Sulfides
Journal Article
Angewandte Chemie, ISSN 0044-8249, 06/2018, Volume 130, Issue 23, pp. 7057 - 7061
Metathesereaktionen von Alkenen und Alkinen sind sicherlich die bestentwickelten Klassen von Metathesereaktionen für den Aufbau molekularer Komplexität.... 
Heterocyclen | Eisenkatalyse | Ether | Metathese
Journal Article
Angewandte Chemie, ISSN 0044-8249, 07/2018, Volume 130, Issue 28, pp. 8818 - 8822
Natural products have historically been a major source of antibiotics and therefore novel scaffolds are constantly of interest. The lipoxazolidinone family of... 
Cyclisierungen | Heterocyclen | Naturstoffe | Antibiotika | Medizinische Chemie | Lead compounds
Journal Article
2010, 3rd ed., ISBN 0080958435, 1004
Heterocyclic compounds play a vital role in the metabolism of living cells. Their practical applications range from extensive clinical use to fields as diverse... 
Heterocyclic chemistry | Chemistry | Handbooks, manuals, etc
Book
Angewandte Chemie, ISSN 0044-8249, 04/2015, Volume 127, Issue 18, pp. 5550 - 5554
The first catalytic asymmetric inverse‐electron‐demand (IED) oxa‐Diels–Alder reaction of ortho‐quinone methides, generated in situ from ortho‐hydroxybenzyl... 
Enantioselektivität | Heterocyclen | Asymmetrische Katalyse | Organokatalyse | Cycloadditionen
Journal Article
Angewandte Chemie, ISSN 0044-8249, 11/2017, Volume 129, Issue 47, pp. 15059 - 15063
An iron‐catalyzed cycloisomerization of allenols to deoxygenated pyranose glycals has been developed. Combined experimental and computational studies show that... 
Synthesemethoden | Heterocyclen | Eisenkatalyse | Carboveretherung | Enolether | Iron | Hydrogen | Isomerization | Analysis
Journal Article
Angewandte Chemie, ISSN 0044-8249, 01/2019, Volume 131, Issue 1, pp. 344 - 348
Ein neuer Reaktionsweg für die Ringerweiterung von antiaromatischen Borolen mit organischen Aziden wird vorgestellt. Die gewöhnlich zu 1,2‐Azaborininen... 
Heterocyclen | Reaktionsmechanismen | Bor | Azide | Ringerweiterungen
Journal Article
Angewandte Chemie, ISSN 0044-8249, 09/2017, Volume 129, Issue 37, pp. 11384 - 11388
A highly enantioselective copper‐catalyzed vinylogous propargylic substitution has been developed. Aromatic and aliphatic propargylic esters react smoothly... 
Heterocyclen | Wirkstoffentwicklung | Asymmetrische Katalyse | Kupfer | Propargylverbindungen | Coumarins | Enantiomers | Copper
Journal Article
Angewandte Chemie, ISSN 0044-8249, 11/2018, Volume 130, Issue 47, pp. 15779 - 15783
Embedded medium‐sized carbacycles and cyclohepta[b]indoles occur frequently as scaffold elements in natural products and bioactive compounds. Described herein... 
Radikale | Heterocyclen | Reaktionsmechanismen | Photochemie | Cycloadditionen
Journal Article