Reactivity of an anionic Pd(II) metallacycle with CH2X2 (X=Cl, Br, I): formal insertion of methylene into a Pd-C(aryl) bond

Juan Cámpora; Pilar Palma; Diego del Río; Jorge A López; Pedro Valerga

doi:10.1039/b403411b

Reactivity of an anionic Pd(II) metallacycle with CH2X2 (X=Cl, Br, I): formal insertion of methylene into a Pd-C(aryl) bond

Chem Commun (Camb). 2004 Jul 7:(13):1490-1. doi: 10.1039/b403411b. Epub 2004 May 24.

Authors

Juan Cámpora¹, Pilar Palma, Diego del Río, Jorge A López, Pedro Valerga

Affiliation

¹ Instituto de Investigaciones Químicas, Consejo Superior de Investigaciones Científicas-Universidad de Sevilla, Avda, Americo Vespucio s/n, 41092, Sevilla, Spain. campora@iiq.csic.es

PMID: 15216345
DOI: 10.1039/b403411b

Abstract

Whereas the reaction of the anionic palladium metallacycle [K[Pd(CH2CMe2-o-C6H4)(kappa2-Tp)]] with CH2Cl2 leads to the isolation of the stable Pd(IV) chloromethyl complex [Pd(CH2CMe2-o-C6H4)(kappa3-Tp)(CH2Cl)], the analogous reactions with CH2Br2 and CH2I2 give rise to the six membered metallacycles [Pd(CH2CMe2-o-C6H4(CH2))(kappa3-Tp)X](X = Br or I), as a result of the formal insertion of CH2 into the Pd-C(aryl) bond.