ICCAS OpenIR
Highly trans-1,4 selective (co-)polymerization of butadiene and isoprene with quinolyl anilido rare earth metal bis(alkyl) precursors
Liu, Dongtao; Cui, Dongmei
2011-08-01
Source PublicationDALTON TRANSACTIONS
ISSN1477-9226
Volume40Issue:30Pages:7755-7761
AbstractThe N-R-quinolinyl-8-amino ligands HL1-3 (R = 2,6-(Pr2C6H3)-Pr-i (HL1), 2,6-Et2C6H3 (HL2), 2,6-Me2C6H3 (HL3)) have been prepared, which reacted readily with one equiv. of rare earth metal tris(alkyl)s to afford the corresponding bis(alkyl) complexes (LY)-Y-1(CH2SiMe3)(2)(THF) (1) and L1-3Lu(CH2SiMe3)(2)(THF) (2-4) via alkane elimination. Contrastingly, treatment of the in situ generated neodymium tri(alkyl)s with HL1 afforded a mono(alkyl) neodymium complex (5). Complexes 1, 2 and 5 in combination with aluminium alkyls and organoborates established homogenous ternary systems that exhibited versatile catalytic activities and trans-1,4 selectivities for the polymerization of butadiene, depending on the types of aluminium alkyl, organoborate and rare earth metal used. Furthermore, the trans-1,4 selective copolymerization of butadiene and isoprene was achieved by using the ternary system of 1/AlMe3/[Ph3C][B(C6F5)(4)]. Both the kinetics of copolymerization and the thermal behavior of the copolymers were investigated.
DOI10.1039/c1dt10100e
Indexed BySCI
Language英语
WOS IDWOS:000292972000015
PublisherROYAL SOC CHEMISTRY
Citation statistics
Cited Times:40[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/72594
Collection中国科学院化学研究所
Corresponding AuthorCui, Dongmei
AffiliationChinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
Recommended Citation
GB/T 7714
Liu, Dongtao,Cui, Dongmei. Highly trans-1,4 selective (co-)polymerization of butadiene and isoprene with quinolyl anilido rare earth metal bis(alkyl) precursors[J]. DALTON TRANSACTIONS,2011,40(30):7755-7761.
APA Liu, Dongtao,&Cui, Dongmei.(2011).Highly trans-1,4 selective (co-)polymerization of butadiene and isoprene with quinolyl anilido rare earth metal bis(alkyl) precursors.DALTON TRANSACTIONS,40(30),7755-7761.
MLA Liu, Dongtao,et al."Highly trans-1,4 selective (co-)polymerization of butadiene and isoprene with quinolyl anilido rare earth metal bis(alkyl) precursors".DALTON TRANSACTIONS 40.30(2011):7755-7761.
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