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http://hdl.handle.net/11154/1950
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| Title: | Chiral S,S-donor ligands in palladium-catalysed allylic alkylation |
| Authors: | Jansat, S
Gomez, M
Muller, G
Dieguez, M
Aghmiz, A
Claver, C
Masdeu-Bulto, AM
Flores-Santos, L
Martin, E
Maestro, MA
Mahia, J |
| Issue Date: | 2001 |
| Abstract: | Chiral dithioether ligands have been tested in the model Pd-catalysed allylic alkylation reaction of (+/-)-3-acetoxy-1,3-diphenyl-1-propene with dimethyl malonate. giving high enantioselectivity (up to 81% e.e.) for the first time in this type of system. Pd(Il)-allylic intermediates, [Pd(eta (3)-1,3-Ph-2-C3H3)(dithioether)]PF6 were prepared and characterised both in solution by NMR spectroscopy and solid state. The X-ray structure for [Pd(eta (3)-1,3-Ph-2-C3H3)(L)]PF6 (L=(R,R)-7,8-O-isopropylidene-1,5-dithiacyclononane) was determined. (C) 2001 Elsevier Science Ltd. All rights reserved. |
| URI: | http://hdl.handle.net/11154/1950 |
| ISSN: | 0957-4166 |
| Appears in Collections: | Ciencias
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