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EnglishA novel application of solid acid catalysts in the chemoselective Friedel-Crafts (FC) alkylation of indoles is reported. The optimal protocol allows highly functionalized indolyl compds. to be synthesized in excellent yields through conjugate addn. of indoles with a,b-unsatd. ketones and nitro compds. Finally, the use of com. Amberlyst-15 as the heterogeneous catalyst for highly atom efficient continuous and semicontinuous Friedel-Crafts processes is described.
| Titolo: | Solid acids catalysed Michael-type conjugate addition of indoles to electron-poor C-C double bonds: towards high atom economy semi-continuous processes | |
| Autore/i: | BANDINI, MARCO; M. FAGIOLI; UMANI RONCHI, ACHILLE | |
| Autore/i Unibo: | ||
| Anno: | 2004 | |
| Rivista: | ||
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1002/adsc.200303213 | |
| Abstract: | A novel application of solid acid catalysts in the chemoselective Friedel-Crafts (FC) alkylation of indoles is reported. The optimal protocol allows highly functionalized indolyl compds. to be synthesized in excellent yields through conjugate addn. of indoles with a,b-unsatd. ketones and nitro compds. Finally, the use of com. Amberlyst-15 as the heterogeneous catalyst for highly atom efficient continuous and semicontinuous Friedel-Crafts processes is described. | |
| Data prodotto definitivo in UGOV: | 2005-10-18 14:23:02 | |
| Appare nelle tipologie: | 1.01 Articolo in rivista |
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http://hdl.handle.net/11585/1855
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