Synthesis and characterization of organolanthanide complexes with a calix [4]-pyrrolyl ligand and their catalytic activities toward hydrophosphonylation of aldehydes …

S Zhou, H Wang, J Ping, S Wang, L Zhang, X Zhu…

Index: Wu, Qingmao; Zhou, Jun; Yao, Zhigang; Xu, Fan; Shen, Qi Journal of Organic Chemistry, 2010 , vol. 75, # 21 p. 7498 - 7501

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Citation Number: 34

Abstract

The alkali metal salt free dinuclear trivalent lanthanide amido complexes (η5: η1: η5: η1-Et8- calix [4]-pyrrolyl){LnN (SiMe3) 2} 2 (Ln= Nd (2), Sm (3), Gd (4)) were prepared through the silylamine elimination reactions of calix [4]-pyrrole [Et2C (C4H2NH)] 4 (1) with 2 equiv of