Contrasting  cyclo ‐P 3  Ligand Transfer Reactivity of Valence‐Isoelectronic Aryloxide Complexes [(P 3 )Nb(ODipp) 3 ] –  and [(P 3 )W(ODipp) 3 ] | Zendy

Breunig Jens M. | Zendy; Tofan Daniel | Zendy; Cummins Christopher C. | Zendy

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Contrasting cyclo ‐P 3 Ligand Transfer Reactivity of Valence‐Isoelectronic Aryloxide Complexes [(P 3 )Nb(ODipp) 3 ] – and [(P 3 )W(ODipp) 3 ]

Author(s) -

Breunig Jens M.,

Tofan Daniel,

Cummins Christopher C.

Publication year - 2014

Publication title -

european journal of inorganic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.667

H-Index - 136

eISSN - 1099-0682

pISSN - 1434-1948

DOI - 10.1002/ejic.201301140

Subject(s) - chemistry , valence (chemistry) , toluene , ligand (biochemistry) , ion , yield (engineering) , reactivity (psychology) , crystallography , medicinal chemistry , stereochemistry , organic chemistry , medicine , biochemistry , materials science , receptor , pathology , metallurgy , alternative medicine

Reduction of mer ‐Cl 3 W(ODipp) 3 with Na/Hg in the presence of P 4 in toluene afforded the orange complex (η 3 ‐P 3 )W(ODipp) 3 ( δ 31 P= –156 ppm, 10 % isolated yield). Unlike the valence‐isoelectronic anion [(η 3 ‐P 3 )Nb(ODipp) 3 ] – , treatment with AsCl 3 of the neutral (η 3 ‐P 3 )W(ODipp) 3 did not transfer the cyclo ‐P 3 ligand to generate AsP 3 . Instead, this complex underwent aryloxide ligand transfer to form the red complex (η 3 ‐P 3 )W(Cl)(ODipp) 2 (THF) ( δ 31 P= –143 ppm, 32 % isolated yield).

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