Low-Valent Pentafulvene Titanium Dinitrogen Complex as a Precursor for Cationic Titanium Complexes

被引：26

作者：

Scherer, Axel ^{[1
]}

Haase, Detlev ^{[1
]}

Saak, Wolfgang ^{[1
]}

Beckhaus, Ruediger ^{[1
]}

Meetsma, Auke ^{[2
]}

Bouwkamp, Marco W. ^{[2
]}

机构：

[1] Carl von Ossietzky Univ Oldenburg, Inst Pure & Appl Chem, D-26111 Oldenburg, Germany

[2] Univ Groningen, Mol Inorgan Chem Grp, Stratingh Inst Chem, NL-9747 AG Groningen, Netherlands

来源：

ORGANOMETALLICS | 2009年 / 28卷 / 24期

关键词：

OLEFIN POLYMERIZATION; CRYSTAL-STRUCTURE; ORGANOMETALLIC CHEMISTRY; METALLOCENE COMPLEXES; CATALYSTS; TITANOCENE; TRIS(PENTAFLUOROPHENYL)BORANE; TETRAPHENYLBORATE; DERIVATIVES; REACTIVITY;

D O I：

10.1021/om900875e

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Treatment of titanium dinitrogen complex [Cp*(eta(6)-C5H4=C10H14)Ti](2)(mu-N-2) (1) with ferrocenium borate, [Cp2Fe][BPh4], in THF results in oxidation of the titanium center, affording the titanium(IV) pentafulvene compound [Cp*(eta(6)-C5H4=C10H14)Ti(THF)][BPh4] (2). Treatment of I with anilinium reagent [PhNMe2H][BPh4] results ill the formation of cationic titanocene(III) complexes. In THF, the titanocene cation is stabilized by two THF solvent molecules, whereas the tetraphenylborate anion is bound to the metal center when the reaction is performed in toluene its it solvent, Treatment of 1 with B(C6F5)(3) affords zwitterionic [Cp*{eta(5)-C5H3(C11H14)(B{C6F5}(3)}Ti(THF)] (7). Results show the versatility of pentafulvene complex 1 in the preparation of cationic titanium complexes.

引用

页码：6969 / 6974

页数：6

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