Palladium(II) complexes supported by a bidentate bis(secondary)phosphine linked by pyridine

Matthew S. Winston, John E. Bercaw

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

A series of complexes of the type (PNP-H2)PdX2 (X=Cl, Br, I) have been synthesized, where PNP-H2 is a bis(secondary)phosphine ligand linked by a pyridine, 2,6-(2'-(Ph(H)P)(C6H4))2(C5H3N). Due to chirality at phosphorus, the parent ligand exists as a mixture of nearly equivalent rac and meso diastereomers non-interconverting at room temperature. When ligated to Pd(II) halides, however, the diastereomeric ratio is dependent upon the halide. The chloro, bromo, and iodo complexes have been characterized crystallographically. Conformationally similar meso diastereomers of each dihalide are roughly C s symmetric in the solid state, while the rac diastereomers (identified only for X=Br, I) show substantially different solid-state conformations. © 2014 Elsevier B.V.
Original languageEnglish (US)
Pages (from-to)30-35
Number of pages6
JournalInorganica Chimica Acta
Volume422
DOIs
StatePublished - Oct 2014
Externally publishedYes

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