Ring-opening copolymerization of CHO and MA catalyzed by the asymmetrical Cr(III)-bis-Schiff-base complex

Liu Jiang; Zhou Rui; Jia Li; Fan Daidi; Lu Xingqiang

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Ring-opening copolymerization of CHO and MA catalyzed by the asymmetrical Cr(III)-bis-Schiff-base complex

机译：由不对称Cr（III）-BIS-Schiff-Base络合物催化的CHO和MA的开环共聚合

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摘要

Using an asymmetrical Cr(III)-bis-Schiff-base complex [Cr(L)Cl] (1; H2L obtained from condensation of 5-bromo-salicylaldehyde and HL0 ((Z)-4-((2-aminophenylimino)(phenyl)methyl)-3-methyl-1H-pyrazol-5(4H)-one) as the catalyst, bulk solvent-free ring-opening copolymerization of CHO (cyclohexene oxide) and MA (maleic anhydride) in the presence of cocatalyst DMAP (4-(dimethylamino)-pyridine) was effectively realized, in which, on the condition of low 1/DMAP concentration for a controllable polymerization, perfectly alternating polyester while not poly(ester-co-ether) could be obtained. (C) 2017 Elsevier B.V. All rights reserved.

机译：使用不对称Cr（III）-BIS-Shiff-基络合物[Cr（L）Cl]（1;从5-溴 - 水杨醛和HL O-（（Z）-4 - （（2-氨基烯基氨基）（（2-氨基烯基氨基）获得（苯基）甲基）-3-甲基-1H-吡唑-5（4h） - 酮类为催化剂，在助催化剂DMAP存在下，CHO（环己烯）和MA（马来酸酐）的本体无溶剂环开环共聚（4-（二甲基氨基） - 吡啶）有效地实现，其中，在可控聚合的低1 / DMAP浓度的条件下，可以获得完全交替的聚酯，而不是聚（酯 - 共醚）。（c） 2017年Elsevier BV保留所有权利。

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来源
《Inorganic Chemistry Communications》 |2017年第2017期|共3页
作者
Liu Jiang; Zhou Rui; Jia Li; Fan Daidi; Lu Xingqiang;
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作者单位

Northwest Univ Xian Sch Chem Engn Shaanxi Key Lab Degradable Med Mat Xian 710069 Shaanxi Peoples R China;

Northwest Univ Xian Sch Chem Engn Shaanxi Key Lab Degradable Med Mat Xian 710069 Shaanxi Peoples R China;

Northwest Univ Xian Sch Chem Engn Shaanxi Key Lab Degradable Med Mat Xian 710069 Shaanxi Peoples R China;

Northwest Univ Xian Sch Chem Engn Shaanxi Key Lab Degradable Med Mat Xian 710069 Shaanxi Peoples R China;

Northwest Univ Xian Sch Chem Engn Shaanxi Key Lab Degradable Med Mat Xian 710069 Shaanxi Peoples R China;

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正文语种 eng
中图分类无机化学;基本无机化学工业;
关键词
Cr(III) asymmetrical bis-Schiff-base complex; Polyester; Poly(ester-co-ether); CHO and MA; Bulk solvent-free copolymerization;

机译：Cr（iii）不对称双席克碱基复合体;聚酯;聚（酯 - 共醚）;CHO和MA;批量无溶剂共聚;

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专利

1. Ring-opening copolymerization of CHO and MA catalyzed by the asymmetrical Cr(III)-bis-Schiff-base complex [J] . Liu Jiang, Zhou Rui, Jia Li, Inorganic Chemistry Communications . 2017,第期

机译：由不对称Cr（III）-BIS-Schiff-Base络合物催化的CHO和MA的开环共聚合
2. A trinuclear [Zn3(L)2(OAc)2] complex based on the asymmetrical bis-Schiff-base ligand H2L for ring-opening copolymerization of CHO and MA [J] . Luqun Zhu, Dengfeng Liu, Liying Wu Inorganic Chemistry Communications . 2013,第Null期

机译：基于不对称双席夫碱配体H2L的三核[Zn3（L）2（OAc）2]络合物，用于CHO和MA的开环共聚
3. Bulk solvent-free ring-opening copolymerization of CHO and MA catalyzed by series of Cr(III) asymmetrical bis-Schiff-base complexes [J] . Rui Zhou, PeiYang Su, Jiang Liu, Inorganic Chemistry Communications . 2017,第期

机译：通过系列CH（III）不对称 Bis -Schiff-Base复合物（III）的CHO和MA的无溶溶剂环开口共聚。
4. Asymmetric epoxidation of alkenes by a chiral manganese(III) salen complex anchored onto a functionalised hexagonal mesoporous silica [C] . A.R.Silva, K.Wilson, J.H.Clark, the International Zeolite Symposium . 2005

机译：通过锚定到官能化的六边形中孔二氧化硅上的手性锰（III）烷烃的不对称环氧化烯烃
5. Asymmetric Friedel-Crafts alkylations catalyzed by bis(oxazolinyl)pyridine-scandium(III) triflate complexes. [D] . Fandrick, Keith Richard. 2007

机译：双（恶唑啉基）吡啶-三氟甲磺酸scan（III）催化的不对称Friedel-Crafts烷基化反应。
6. Highly Z- and Enantioselective Ring-Opening/Cross-Metathesis Reactions Catalyzed by Stereogenic-at-Mo Adamantylimido Complexes [O] . Ismail Ibrahem, Miao Yu, Richard R. Schrock, -1

机译：高度Z-和对映选择性开环/交叉复分解反应的催化通过立体源莫adamantylimido配合
7. Theoretical Study on Epoxide Ring-opening in CO2/Epoxide Copolymerization Catalyzed by Bifunctional Salen-Type Cobalt(III) Complexes: Influence of Stereoelectronic Factors [O] . Karol Dyduch, Aleksandra Roznowska, Monika Srebro-Hooper, 2021

机译：双官能盐酸钴（III）复合物催化催化环氧化环环开口的理论研究：立体电子因子的影响

Ring-opening copolymerization of CHO and MA catalyzed by the asymmetrical Cr(III)-bis-Schiff-base complex

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