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Synthesis, solid state and DFT structure and olefin polymerization capability of a unique base-free dimeric methyl titanium dication.

Abstract:
Reaction of Cp*Ti{NC(Ar(F(2)))N(i)Pr(2)}Me(2) (1, Ar(F(2)) = 2,6-C(6)H(3)F(2)) with [Ph(3)C][B(C(6)F(5))(4)] gave the base-free structurally authenticated dication [Cp*(2)Ti(2){NC(Ar(F(2)))N(i)Pr(2)}(2)(mu-Me)(2)][B(C(6)F(5))(4)](2) (3-[BF(20)](2)) containing two doubly alpha-agostic bridging methyl groups. 3-[BF(20)](2) is a highly effective ethylene-propylene polymerization catalyst at 90 degrees C, and its performance is identical to the catalyst generated in situ from 1 and [Ph(3)C][B(C(6)F(5))(4)].
Publication status:
Published

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Publisher copy:
10.1039/b925781k

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Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Inorganic Chemistry
Role:
Author
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Journal:
Chemical communications (Cambridge, England)
Volume:
46
Issue:
19
Pages:
3339-3341
Publication date:
2010-05-05
DOI:
EISSN:
1364-548X
ISSN:
1359-7345
URN:
uuid:39798d56-aa4b-4331-abdc-699013732786
Source identifiers:
54852
Local pid:
pubs:54852

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