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EnglishWe have investigated reactions between 1,3,5-tris(1-piperid-yl) benzene and 1,3,5-tris(4-morpholinyl)benzene and 4-sub-stituted arenediazonium tetrafluoroborate salts, mainly by NMR spectroscopic measurements. The main products are σ complexes (Wheland-like intermediates) which are formed in almost quantitative yields and are moderately stable com-pounds. From these covalent complexes, products of the azo-coupling reaction may be obtained as salts or as free bases.
| Titolo: | First Evidences for the Wheland Intermediates in Azo-coupling Reaction. Reactions between 1,3,5-Tris(N,N-dialkylamino)benzene and Arenediazonium Salts |
| Autore/i: | BOGA, CARLA; DEL VECCHIO, ERMINIA; FORLANI, LUCIANO |
| Autore/i Unibo: | |
| Anno: | 2004 |
| Rivista: | |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1002/ejoc.200300701 |
| Abstract: | We have investigated reactions between 1,3,5-tris(1-piperid-yl) benzene and 1,3,5-tris(4-morpholinyl)benzene and 4-sub-stituted arenediazonium tetrafluoroborate salts, mainly by NMR spectroscopic measurements. The main products are σ complexes (Wheland-like intermediates) which are formed in almost quantitative yields and are moderately stable com-pounds. From these covalent complexes, products of the azo-coupling reaction may be obtained as salts or as free bases. |
| Data prodotto definitivo in UGOV: | 2005-09-28 19:01:48 |
| Appare nelle tipologie: | 1.01 Articolo in rivista |
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http://hdl.handle.net/11585/6005
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