Citation: Feng Fu LI, Ying Tai JIN, Feng Kui PEI, Fo Song WANG. STUDIES ON POLYMERIZATION MECHANISM OF CONJUGATED DIENE WITH η³-ALLYL RARE EARTH MODEL COMPLEX[J]. Chinese Chemical Letters, ;1993, 4(3): 281-282. shu

STUDIES ON POLYMERIZATION MECHANISM OF CONJUGATED DIENE WITH η³-ALLYL RARE EARTH MODEL COMPLEX

1.
Changchun Institute of Applied Chemistry, Academia Sinica. Changchun, 130022;
2.
Department of Chemistry, Fudan University, Shanghai 200433

Received Date: 2 September 1992

(η^a-C₈H₅)²CeCl₅Mg₂(tmed)₂ was used as a catalyst to polymerize isoprene,Terminal ends of polyisoprene were identified as -CH₂-CH=CH,which indicates that the insertion reaction of the monomer occurred between η^a-allyl and cerium ion and gives a direct evidence for the η^a-allyl mechanism ofconjugated diene polymerzation with rare earth coordination catalysts.
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