Synthesis of new tetradentate oligophosphine ligands

Nick Bampos, Leslie D. Field*, Barbara A. Messerle, Ronald J. Smernik

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

27 Citations (Scopus)

Abstract

The synthesis of a series of symmetrical and unsymmetrical tripodal tetradentate alkylphosphine ligands is described. Me 2PCH 2CH 2P(CH 2CH 2CH 2PMe 2) 2 was synthesized by the photochemical reaction of (2-(dimethylphosphino)-ethyl)phosphine with excess allyldimethylphosphine, and Me 2PCH 2CH 2CH 2P(CH 2CH 2PMe 2) 2 was synthesized by the photochemical reaction of (3-(dimethylphosphino)propyl)phosphine with excess dimethylvinylphosphine. The known ligand P(CH 2CH 2PMe 2) 3 was synthesized in a one-step reaction by the photochemical addition of dimethylphosphine (3 equiv) to trivinylphosphine. The tetradentate ligands form one-to-one complexes Fe(PP 3)Cl 2 with iron by displacement of weaker phosphine ligands.

Original languageEnglish
Pages (from-to)4084-4088
Number of pages5
JournalInorganic Chemistry
Volume32
Issue number19
Publication statusPublished - 1993
Externally publishedYes

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