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Alkene polymerization by a cationic zirconium diamide complex formed by ligand cyclometallation

DOI: 10.1039/cc9960001375

Source and publish data:

Chemical Communications p. 1375 - 1376 (1996)

Update date:2022-09-26

Topics:

Authors:

Horton, Andrew D.Horton, Andrew D.

De With, JanDe With, Jan

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Article abstract of DOI:10.1039/cc9960001375

Reaction of {(Me3Si)2N}2Zr(CH2Ph)2 1 with B(C6F5)3 gives a cationic benzyl complex, which at -25°C, expels toluene to afford {(Me3Si)2N}Zr(CH2SiMe2NSiMe 3){ηn-PhCH2-B(C6F 5)3} 2; strong anion coordination to zirconium in cyclometallation product 2 suppresses alkene polymerization, whereas the analogous cationic NMe2Ph adduct 3, formed by protonolysis of 1, polymerizes both ethene and propene.

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Products guided by the article

Product name:Zr(N(Si(CH3)3)2)(NC6H17Si2)N(CH3)2C6H5(1+)*B(C6F5)4(1-) = [Zr(N(Si(CH3)3)2)(NC6H17Si2)N(CH3)2C6H5]B(C6F5)4

Cas No:178885-03-5

178885-03-5

R&D Labs maybe for 178885-03-5

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