Organophosphorus compounds. 131. Tricyclic phosphorus-carbon compounds - Synthesis by oligomerization of kinetically stabilized phosphaalkynes

被引:0
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作者
Hoffmann, A
Mack, A
Goddard, R
Binger, P
Regitz, M
机构
[1] Univ Kaiserslautern, Fachbereich Chem, D-67663 Kaiserslautern, Germany
[2] Max Planck Inst Kohlenforsch, D-45470 Mulheim, Germany
关键词
phosphaalkynes; cooligomerization; phosphaalkyne cyclooligomers; cage compounds; phosphorus-carbon-aluminum; phosphorus-carbon-gallium;
D O I
暂无
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
When trialkylaluminum reagents 2 bearing sterically demanding substituents are allowed to react with phosphaalkynes 1 a highly selective phosphaalkyne cyclotrimerization with incorporation of one organometal unit occurs (--> 5a-d). The resulting triphosphaalatricycloheptenes 5 are able to function as ligands in transition metal complexes (--> 6a,b), as illustrated by the reactions of 5a with nonacarbonyldiiron or the pentacarbonyltungsten tetrahydrofuran complex. When triethylgallium (7) is allowed to react with phosphaalkynes 1, tricyclic phosphorus-carbon-gallium compounds are generated (--> 8a,b).
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页码:1597 / 1603
页数:7
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