Artículo
Vázquez, A.J.; Nudelman, N.S. "The unexpected effects of added ligands on the addition of phenyllithium to E-cinnamaldehyde in THF" (2005) Arkivoc. 2005(12):332-340
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Abstract:
The effect of donor ligands, usually expected to enhance the reactivity of organolithiums, was studied on the addition of PhLi to E-cinnamaldehyde in THF, under conditions that lead the reaction toward the production of 1,3-diphenylpropanone. It was observed that in the presence of TMEDA and HMPT, the rate of that reaction becomes slower than in the absence of ligands; the effect of HMPA was even more spectacular, at concentration [HMPA]: [PhLi] ≥ 4 the reaction becomes almost completely inhibited. These results show the complexity of solvation effects on the reactions of organolithiums and how substrate-reagent-ligand-solvent interactions are usually specific for the system under study. © ARKAT.
Registro:
| Documento: | Artículo |
| Título: | The unexpected effects of added ligands on the addition of phenyllithium to E-cinnamaldehyde in THF |
| Autor: | Vázquez, A.J.; Nudelman, N.S. |
| Filiación: | Depto. Química Orgánica, Facultad de Ciencias Exactas y Naturales, Ciudad Universitaria, Pab. II, P. 3, 1428 Buenos Aires, Argentina |
| Palabras clave: | Addition to α,β-unsaturated compounds; Additives; Aggregation states; Ligands; Phenyllithium; Tandem reactions |
| Año: | 2005 |
| Volumen: | 2005 |
| Número: | 12 |
| Página de inicio: | 332 |
| Página de fin: | 340 |
| Título revista: | Arkivoc |
| Título revista abreviado: | Arkivoc |
| ISSN: | 14246376 |
| PDF: | https://bibliotecadigital.exactas.uba.ar/download/paper/paper_14246376_v2005_n12_p332_Vazquez.pdf |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_14246376_v2005_n12_p332_Vazquez |
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Citas:
---------- APA ----------
Vázquez, A.J. & Nudelman, N.S. (2005) . The unexpected effects of added ligands on the addition of phenyllithium to E-cinnamaldehyde in THF. Arkivoc, 2005(12), 332-340.Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_14246376_v2005_n12_p332_Vazquez [ ]
---------- CHICAGO ----------
Vázquez, A.J., Nudelman, N.S. "The unexpected effects of added ligands on the addition of phenyllithium to E-cinnamaldehyde in THF" . Arkivoc 2005, no. 12 (2005) : 332-340.Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_14246376_v2005_n12_p332_Vazquez [ ]
---------- MLA ----------
Vázquez, A.J., Nudelman, N.S. "The unexpected effects of added ligands on the addition of phenyllithium to E-cinnamaldehyde in THF" . Arkivoc, vol. 2005, no. 12, 2005, pp. 332-340.Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_14246376_v2005_n12_p332_Vazquez [ ]
---------- VANCOUVER ----------
Vázquez, A.J., Nudelman, N.S. The unexpected effects of added ligands on the addition of phenyllithium to E-cinnamaldehyde in THF. Arkivoc. 2005;2005(12):332-340.Available from: https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_14246376_v2005_n12_p332_Vazquez [ ]
