Einzigartige Reaktivität: Die chemoselektive N-Acylierung von Indolen (siehe Schema) und Oxazolidinonen gelingt mit Carbonylazolen als Acylierungsreagentien auch in Anwesenheit reaktiverer Amin-, Alkohol- und Carbonsäuregruppen. Der entscheidende Trick ist die Zugabe katalytischer Mengen von 1,8-Diazabicyclo[5.4.0]undec-7-en (DBU). Detailed facts of importance to specialist readers are published as ”Supporting Information”. Such documents are peer-reviewed, but not copy-edited or typeset. They are made available as submitted by the authors. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.