Artículo
Furlong, J.J.P.; Sbarbati Nudelman, N. "Mechanism of cyclization of substituted 2′-hydroxychalcones to flavanones" (1985) Journal of the Chemical Society, Perkin Transactions 2(5):633-639
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Abstract:
The conversion of 2′-hydroxy-(3), 2′,4′-dihydroxy- (4), 2′,3-dihydroxy- (5), and 2′,4-dihydroxychalcone (6) in aqueous alkali; and of (3) and 2′-hydroxy-4-nitrochalcone (7) in alkaline methanolic medium into the corresponding substituted flavanones has been studied kinetically and spectroscopically. It has been found that results from both methods are consistent with the existence of chalcones in the trans-s-cis conformation and indicate a mechanism that involves general acid attack to the ionized form of the 2′-hydroxychalcones, rotation through the CO-C, bond and annelation to the f lava none. © 1985, Royal Society of Chemistry. All rights reserved.
Registro:
| Documento: | Artículo |
| Título: | Mechanism of cyclization of substituted 2′-hydroxychalcones to flavanones |
| Autor: | Furlong, J.J.P.; Sbarbati Nudelman, N. |
| Filiación: | Cátedra de Quimica Fisica 11, Bioguimica y Farmacia, Universidad Nacional de San Luis, San Luis, 5700, Argentina Departamento de Quimica Orgdnica, Universidad de Buenos Aires, Pab. 11, P. 3, Ciudad Universitaria, Buenos Aires, 1428, Argentina |
| Año: | 1985 |
| Número: | 5 |
| Página de inicio: | 633 |
| Página de fin: | 639 |
| DOI: | http://dx.doi.org/10.1039/P29850000633 |
| Título revista: | Journal of the Chemical Society, Perkin Transactions 2 |
| Título revista abreviado: | J. Chem. Soc. Perkin Trans. 2 |
| ISSN: | 14701820 |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_14701820_v_n5_p633_Furlong |
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Citas:
---------- APA ----------
Furlong, J.J.P. & Sbarbati Nudelman, N. (1985) . Mechanism of cyclization of substituted 2′-hydroxychalcones to flavanones. Journal of the Chemical Society, Perkin Transactions 2(5), 633-639.http://dx.doi.org/10.1039/P29850000633
---------- CHICAGO ----------
Furlong, J.J.P., Sbarbati Nudelman, N. "Mechanism of cyclization of substituted 2′-hydroxychalcones to flavanones" . Journal of the Chemical Society, Perkin Transactions 2, no. 5 (1985) : 633-639.http://dx.doi.org/10.1039/P29850000633
---------- MLA ----------
Furlong, J.J.P., Sbarbati Nudelman, N. "Mechanism of cyclization of substituted 2′-hydroxychalcones to flavanones" . Journal of the Chemical Society, Perkin Transactions 2, no. 5, 1985, pp. 633-639.http://dx.doi.org/10.1039/P29850000633
---------- VANCOUVER ----------
Furlong, J.J.P., Sbarbati Nudelman, N. Mechanism of cyclization of substituted 2′-hydroxychalcones to flavanones. J. Chem. Soc. Perkin Trans. 2. 1985(5):633-639.http://dx.doi.org/10.1039/P29850000633
