## Abstract Ethylene polymerization was explored by using the __racemic__ SiMe~2~(2‐SiMe~3~‐4‐tBuC~5~H~2~)~2~Sm(THF)~2~ complex (1), __meso__ type Me~2~Si(Me~2~SiOSiMe~2~)(3‐tBuC~5~H~2~)~2~Sm‐(THF)~2~ complex (2), and C~1~‐symmetric SiMe~2~[2,4‐(SiMe~3~)~2~C~5~H~2~][3,4‐(SiMe~3~)~2~C~5~H~2~]‐Sm(THF
Polymerization of olefins by rare earth metal complex with bulky substituents
✍ Scribed by Hajime Yasuda; Eiji Ihara
- Book ID
- 103405848
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- French
- Weight
- 373 KB
- Volume
- 51
- Category
- Article
- ISSN
- 0040-4020
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## Abstract The reactions of anhydrous LnCl~3~ (Ln = Y, Nd, Sm, Lu) with two equiv. of sodium __N__,__N′__‐dicyclohexyl‐__N′′__‐bis(trimethylsilyl)guanidinate Na[(Me~3~Si)~2~NC(NCy)~2~], obtained from Na[N(SiMe~3~)~2~] and the 1,3‐dicyclohexyl‐substituted carbodiimide CyN=C=NCy in THF, yield the mo