First examples of tri- and tetraphosphametacyclophanes: synthesis and isolation of an unusual hexapalladium complex containing pincer units with Pd–P covalent bonds†,10.1039/C7DT00737J

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First examples of tri- and tetraphosphametacyclophanes: synthesis and isolation of an unusual hexapalladium complex containing pincer units with Pd–P covalent bonds†

Vitthalrao S. Kashid,Latchupatula Radhakrishna,Maravanji S. Balakrishna

Dalton Transactions Pub Date : 04/21/2017 00:00:00 , DOI:10.1039/C7DT00737J

Abstract

The synthesis of the first examples of tri- and tetraphosphametacyclophanes [m-{–C(O)C₅H₃N(C(O)PPh)}₃ (1) and m-{–C(O)C₅H₃N(C(O)PPh)}₄ (2)] is described. The reaction of 1 with [Pd(η³-C₃H₅)Cl]₂ yielded a rare hexapalladium(II) complex with four Pd–P covalent bonds.