Journal
ORGANOMETALLICS
Volume 35, Issue 4, Pages 456-461Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.organomet.5b00877
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Funding
- Chevreul institute [FR 2638]
- Ministere de l'Enseignement Superieur et de la Recherche
- Region Nord-Pas de Calais
- FEDER
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New mixed allyl-borohydrido lanthanide complexes Ln(BH4)(2)(C3H5)(THF)(3) (Ln = Nd (1), Sm (2)) could be prepared in good yield by reacting Ln(BH4)(3)(THF)(3) (Ln = Sm, Nd) with 1/2 equiv of Mg(C3H5)(2)(THF)(x). X-ray structure analysis revealed monomeric structures with two terminal BH4 ligands, one pi-ally) ligand, and three THF molecules. In an assessment of isoprene polymerization, 1 afforded trans-1,4-polyisoprene in good yield, as a single component or in combination with Mg cocatalyst. Both 1 and 2 were found to be extremely active toward e-caprolactone polymerization.
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