Description General description Triethylamine is a tertiary amine. It has been reported as a promising precipitating reagent for phosphomolybdic acid. Et3N/formic acid system has been used for the asymmetric transfer hydrogenation (ATH) of methoxy-substituted derivatives. Application Triethylamine may be used in the following studies: • As a base for the Heck reactions. • Synthesis of spirocycles via Heck cyclization. • Preparation of triethylammonium picrate and 0.1M triethylamine hydrochloride.