Acyclic catena-diphosphinodiphosphonium dications [R3P-PR′-PR′-PR3]2+ or bisphosphine-diphosphenium complexes [R3P→PR′-PR′←PR3]2+:: Synthesis by reductive P-P coupling of [R3P-PR′Cl]+ and phosphine ligand exchange

被引:37
作者
Dyker, C. Adam
Burford, Neil [1 ]
Lumsden, Michael D.
Decken, Andreas
机构
[1] Dalhousie Univ, Dept Chem, Halifax, NS B3H 4J3, Canada
[2] Dalhousie Univ, Atlantic Reg Magnet Resonance Ctr, Halifax, NS B3H 4J3, Canada
[3] Univ New Brunswick, Dept Chem, Fredericton, NB E3A 6E2, Canada
关键词
PHOSPHORUS; CHEMISTRY; PHOSPHANES; CATIONS; SALTS; CHAIN;
D O I
10.1021/ja062972y
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The acyclic tetraphosphorus dication [Ph3P-PPh-PPh-PPh3]2+ has been formed by the reductive coupling of [Ph3P-PPhCl]+, providing a new synthetic method for the systematic development of catena-phosphorus cations. Ligand exchange (Ph3P for Me3P) gives [Me3P-PPh-PPh-PMe3]2+, implicating these dications as bisphosphine-diphosphenium complexes. Copyright © 2006 American Chemical Society.
引用
收藏
页码:9632 / 9633
页数:2
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