On the Formation and
1H NMR-spectroscopic Characterization of N,N-Diaryl-substituted Formamide Chlorides
Jens Sch ¨onewerkaand Horst Hartmann
Department Chemie, Technische Universit¨at Dresden, 01062 Dresden, Germany
aPresent address: SEMA GmbH, Industriestraße 12, 06869 Coswig, Germany
Reprint requests to Prof. Dr. Horst Hartmann. Fax: +49-3514-6339485. E-mail: Hartmann@iapp.de
Z. Naturforsch.2012,67b,277 – 284; received January 16, 2012 Dedicated to Prof. Klaus M¨ullen to the occasion of his 65thbirthday
The reaction ofN,N-diaryl-substituted formamides with oxalyl chloride gives rise, instead to the formation of the expected salt-like formamide chlorides, to the formation of corresponding non-ionic N-dichloromethyl-substituted diarylamines.
Key words:Vilsmeier Reaction,N,N-Diaryl-Formamides,
N-Dichloromethyl-substituted Diarylamines,1H NMR Spectroscopy