Artículo
Dibenzyl and diallyl 2,6-bisiminopyridinezinc (ii) complexes: Selective alkyl migration to the pyridine ring leads to remarkably stable dihydropyridinates
Autor/es | Sandoval, John J.
Palma Ramírez, María del Pilar Álvarez González, Eleuterio Rodríguez Delgado, Antonio Cámpora Pérez, Juan |
Fecha de publicación | 2013 |
Fecha de depósito | 2018-10-17 |
Publicado en |
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Resumen | Diorganozinc compounds (ZnR2) with R = CH2Ph or CH2CH[double bond, length as m-dash]CH2 react with 2,6-bisiminopyridines (iPrBIP) to afford thermally stable dihydropyridinate(−1) complexes, and do not react if R = CH2SiMe3 ... Diorganozinc compounds (ZnR2) with R = CH2Ph or CH2CH[double bond, length as m-dash]CH2 react with 2,6-bisiminopyridines (iPrBIP) to afford thermally stable dihydropyridinate(−1) complexes, and do not react if R = CH2SiMe3 or CH2CMe2Ph. NMR studies reveal that dibenzylzinc binds iPrBIP at −80 °C, yielding the unstable complex [Zn(CH2Ph)2(iPrBIP)]. Above −20 °C, this undergoes selective alkyl migration to the remote 4 position of the central pyridine ring. |
Agencias financiadoras | Junta de Andalucía |
Identificador del proyecto | CTQ2012-30962
FQM5074 |
Cita | Sandoval, J.J., Palma Ramírez, M.d.P., Álvarez González, E., Rodríguez Delgado, A. y Cámpora Pérez, J. (2013). Dibenzyl and diallyl 2,6-bisiminopyridinezinc (ii) complexes: Selective alkyl migration to the pyridine ring leads to remarkably stable dihydropyridinates. Chemical Communications, 49, 6791-6793. |
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