Titanium dichloro, bis(carbyl), aryne, and alkylidene complexes stabilized by linked cyclopentadienyl-amido auxiliary ligands

被引:110
作者
Sinnema, PJ
vanderVeen, L
Spek, AL
Veldman, N
Teuben, JH
机构
[1] UNIV GRONINGEN,DEPT CHEM,CTR CATALYT OLEFIN POLYMERIZAT,NL-9747 AG GRONINGEN,NETHERLANDS
[2] BIJVOET CTR BIOMOL RES,NL-3585 CH UTRECHT,NETHERLANDS
关键词
D O I
10.1021/om970472v
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Thermal decomposition of the carbyl compounds {C5H4(CH2)(2)NR}TiR'(2) proceeds through alpha- and beta-H elimination to give stable aryne, alkylidene, and olefin. complexes in the presence of PMe3. Reaction of the dibenzyl compound {C5H4(CH2)(2)N-t-Bu}Ti(CH2Ph)(2) with B(C6F5)(3) gives the cationic [{C5H4(CH2)(2)N-t-Bu}TiCH2Ph](+), which is an active catalyst for the polymerization of ethene and propene.
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页码:4245 / 4247
页数:3
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