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DOI: 10.1055/s-2005-865310
Terminal Organylchalcogenoethyl- and -propylamines and Their Schiff Base Derivatives
Publication History
Publication Date:
12 April 2005 (online)
Abstract
A series of organoselanyl- and organotellanyl-substituted ethyl- and propylamines and their hydrochlorides, as well as 2-(methylsulfanyl)ethylamine have been synthesized. Efficient general synthetic routes have been developed to chalcogen(S, Se, Te)-containing Schiff bases with di- and trimethylene bridges between the nitrogen atom of the imino group and the chalcogen, by condensation of 3-(tert-butyl)- and 3-(1-ethylpropyl)-2-hydoxybenzene-carbaldehydes with the amines. The influence of the organylchalcogenyl-group on some spectral characteristics (1H, 13C, 77Se NMR spectroscopy) of both amines and Schiff bases is discussed.
Key words
amines - Schiff bases - condensation - spectroscopy - organometallic reagents
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References
Initial investigations have been carried out with Schiff bases 11a and 11b which readily form stable complexes on reaction with Li2PdCl4. These complexes are now being investigated as catalysts for cross-coupling reactions and encouraging preliminary results have so far been obtained for the Suzuki reaction. This work is now being actively pursued and will be reported in due course.