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31.29 Product Class 29: Arylammonium Salts

DOI: 10.1055/sos-SD-031-01847

Schlummer, B.; Scholz, U.Science of Synthesis, (2007311679.

General Introduction

Arylammonium salts have the general structure 1 (Scheme 1), where the substituents (R1R3) can be the same or different, and can be aryl, hetaryl, or alkyl groups. In some cases the anion (X) can be connected to one of the substituent groups in an intramolecular fashion. Quaternary ammonium compounds were first described by Hofmann in 1851 (see also HoubenWeyl, Vol.11/2, pp591640).[‌1‌,‌2‌] Iminium compounds, as well as cyclic ammonium compounds such as pyridinium salts, are not covered by this section and have been reviewed elsewhere.[‌3‌‌5‌]

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