SYNTHESIS AND CATALYTIC PROPERTIES OF η3-2-METHYLALLYL-RARE EARTH COMPLEXES

Chinese Journal of Applied Chemistry ›› 1992, Vol. 0 ›› Issue (6): 107-109.

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SYNTHESIS AND CATALYTIC PROPERTIES OF η³-2-METHYLALLYL-RARE EARTH COMPLEXES

Li Fengfu, Jin Yingtai, Pei Fengkui, Wang Fosong

Changchun Institute of Applied Chemistry, Academia Sinica, Changchun 130022

Received:1991-11-19 Revised:1992-03-14 Published:1992-12-10 Online:1992-12-10

Abstract

Abstract: Three η³-allyl-rare earth complexes were synthesized by reacting anhydrous lanthanide trichloride with CH₂=C(CH₃)-CH₂MgCl at 1:2 molar ratio in tetrahydrofuran. The complexes with the general formula (η³-2-CH₃-C₃H₄)₂LnCl₅Mg₂(tmed)₂(Ln=La, Ce, and Nd)were characterized by elemental analyses, IR spectra and MS. These complexes can polymerize styrene and isoprene, giving atactic polystyrene and equal binary polyisoprene respectively.

Key words: allyl-rare earth complex, styrene, isoprene, polymerization

Li Fengfu, Jin Yingtai, Pei Fengkui, Wang Fosong. SYNTHESIS AND CATALYTIC PROPERTIES OF η³-2-METHYLALLYL-RARE EARTH COMPLEXES[J]. Chinese Journal of Applied Chemistry, 1992, 0(6): 107-109.

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SYNTHESIS AND CATALYTIC PROPERTIES OF η³-2-METHYLALLYL-RARE EARTH COMPLEXES

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