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| 5. |  | ERREGUERENA, I. A.; QUIROZ, F. J.; CAMBARERI, M.; PEREYRA, S.; HAVIS, N. D.; CARMONA, M. A. Assessing the impact of Ramularia leaf spot on barley: prospects for fungicide protection strategies and weather-based prediction models in Argentina. Original article. Plant Pathology, 2025, Volume 74, Issue 3, Pages 858-872. https://doi.org/10.1111/ppa.14056 Article history: Received 15 August 2024, Revised 30 November 2024, Accepted 23 December 2024, First published 21 January 2025. -- Corresponding author: Erreguerena, I.A.; Plant Pathology-Crop Protection Group, National Institute of...| Biblioteca(s): INIA Las Brujas. |
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 | Acceso al texto completo restringido a Biblioteca INIA Tacuarembó. Por información adicional contacte bibliotb@tb.inia.org.uy. |
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Registro completo
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Biblioteca (s) : |
INIA Tacuarembó. |
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Fecha actual : |
16/11/2015 |
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Actualizado : |
02/06/2020 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Circulación / Nivel : |
Internacional - -- |
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Autor : |
REINA, L.; BENNADJI, Z.; VINCIGUERRA, V.; FERREIRA, F.; MOYNA, G.; MENÉNDEZ, P. |
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Afiliación : |
LUIS REINA, Universidad de la República (UdelaR)/ Facultad de Química; ZOHRA BENNADJI SOUALHIA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; VITTORIO VINCIGUERRA, Dipartimento per la Innovazione nei Sistemi Biologici, Agroalimentari e Forestali, Università della Tuscia, Largo dell'Università, Italy.; FERNANDO AMAURY FERREIRA CHIESA, Universidad de la República (UdelaR)/ Facultad de Química: Universidad de la República (UdelaR)/ Centro Universitario Regional Tacuarembó, Espacio de Ciencia y Tecnología Química.; GUILLERMO MOYNA, Departamento de Química del Litoral, CENUR Litoral Norte, UdelaR.; MARÍA DEL PILARA MENÉNDEZ RODRÍGUEZ, Universidad de la República (UdelaR)/ Facultad de Química. |
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Título : |
Isolation and structural characterization of new piperidine alkaloids from Prosopis affinis. |
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Fecha de publicación : |
2015 |
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Fuente / Imprenta : |
Phytochemistry Letters, 2015, v. 14, p. 265-269. https://doi.org/10.1016/jDOI: .phytol.2015.10.022 |
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DOI : |
10.1016/j.phytol.2015.10.022 |
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Idioma : |
Inglés |
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Notas : |
Article history: Received 30 July 2015; Received in revised form 16 October 2015; Accepted 27 October 2015. Acknowledgments: Funding from the Instituto Nacional de Investigación Agropecuaria (award L4-FO-21-0-00), the Agencia Nacional de Investigación e Inovación (award POS_NAC_2014_1_102226), the Programa 720 from the Dirección General de Relaciones y Cooperación (UdelaR), and the Programa de Desarrollo de la Ciencias Básicas is greatly acknowledged. We also wish to thank Rafael Gonzáles and Alejandra Rodriguez for their assistance with the HR-ESIMS measurements. |
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Contenido : |
The isolation of three new N-methylated piperidine-3-ol alkaloids from the bark of Prosopis affinis Spreng. (Ñandubay) is described. Together with MS and IR data, results from 1D and 2D NMR experiments allowed for the identification of N-methyl-2-isocassine, N-;methyl-6-isocassine, and N-methyl-6- isocarnavaline. Inspection of 1D-NOESY spectra and coupling constant data revealed that the heterocyclic moiety of the alkaloids is in fast conformational equilibrium in solution, and this behavior had to be taken into account in order to determine the relative configuration of the chiral centers of the piperidine rings. |
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Palabras claves : |
CONFORMATIONAL EQUILIBRIUM; ÑANDUBAY; PIPERIDINE ALKALOIDS. |
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Thesagro : |
PROSOPIS AFFINIS. |
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Asunto categoría : |
K10 Producción forestal |
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Marc : |
LEADER 01984naa a2200253 a 4500
001 1053905
005 2020-06-02
008 2015 bl uuuu u00u1 u #d
024 7 $a10.1016/j.phytol.2015.10.022$2DOI
100 1 $aREINA, L.
245 $aIsolation and structural characterization of new piperidine alkaloids from Prosopis affinis.$h[electronic resource]
260 $c2015
500 $aArticle history: Received 30 July 2015; Received in revised form 16 October 2015; Accepted 27 October 2015. Acknowledgments: Funding from the Instituto Nacional de Investigación Agropecuaria (award L4-FO-21-0-00), the Agencia Nacional de Investigación e Inovación (award POS_NAC_2014_1_102226), the Programa 720 from the Dirección General de Relaciones y Cooperación (UdelaR), and the Programa de Desarrollo de la Ciencias Básicas is greatly acknowledged. We also wish to thank Rafael Gonzáles and Alejandra Rodriguez for their assistance with the HR-ESIMS measurements.
520 $aThe isolation of three new N-methylated piperidine-3-ol alkaloids from the bark of Prosopis affinis Spreng. (Ñandubay) is described. Together with MS and IR data, results from 1D and 2D NMR experiments allowed for the identification of N-methyl-2-isocassine, N-;methyl-6-isocassine, and N-methyl-6- isocarnavaline. Inspection of 1D-NOESY spectra and coupling constant data revealed that the heterocyclic moiety of the alkaloids is in fast conformational equilibrium in solution, and this behavior had to be taken into account in order to determine the relative configuration of the chiral centers of the piperidine rings.
650 $aPROSOPIS AFFINIS
653 $aCONFORMATIONAL EQUILIBRIUM
653 $aÑANDUBAY
653 $aPIPERIDINE ALKALOIDS
700 1 $aBENNADJI, Z.
700 1 $aVINCIGUERRA, V.
700 1 $aFERREIRA, F.
700 1 $aMOYNA, G.
700 1 $aMENÉNDEZ, P.
773 $tPhytochemistry Letters, 2015$gv. 14, p. 265-269. https://doi.org/10.1016/jDOI: .phytol.2015.10.022
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