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新型高效铬(III)催化剂，同时含有有机阳离子和阴离子，设计用于聚合β-烯烃衍生物。

New type of highly active chromium(III) catalysts containing both organic cations and anions designed for polymerization of beta-olefin derivatives.

机构信息

Faculty of Chemistry, University of Gdańsk, Wita Stwosza 63, 80-308, Gdańsk, Poland.

出版信息

Sci Rep. 2018 Feb 2;8(1):2315. doi: 10.1038/s41598-018-20665-x.

DOI:10.1038/s41598-018-20665-x
PMID:29396552
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5797135/
Abstract

The new type of catalysts designed for the olefin derivatives polymerization has been synthetized. The novel catalysts are chromium(III) salt type complexes composed of both organic cation and anion, i.e. [Cr(dipic)][Cr(bipy)(dipic)HO]∙2HO and [Cr(dipic)]Hdmbipy∙2.5 HO. The compositions of these complexes have been confirmed by a number of instrumental methods including NMR, IR, UV-Vis, MS and elemental analysis ones. Moreover, the crystal structures of these novel catalysts were determined and reported. Furthermore, the [Cr(dipic)][Cr(bipy)(dipic)HO]∙2HO and [Cr(dipic)]Hdmbipy∙2.5HO complexes have been studied towards their catalytic activity, after the activation by MMAO (modified methylaluminoxane), in the case of 2-chloro-2-propen-1-ol polymerization at 21 °C and atmospheric pressure. It has been found that novel catalysts, [Cr(dipic)][Cr(bipy)(dipic)HO]∙2HO and [Cr(dipic)]Hdmbipy∙2.5 HO, exhibit a very high catalytic activity in the process of the polymerization of the beta-olefin derivatives. The products of a such catalyzed polymerization are the poly(allyl alcohol) derivatives.

摘要

已合成出用于烯烃衍生物聚合的新型催化剂。新型催化剂是由有机阳离子和阴离子组成的铬（III）盐型配合物，即[Cr(dipic)][Cr(bipy)(dipic)HO]∙2HO 和 [Cr(dipic)]Hdmbipy∙2.5 HO。这些配合物的组成已通过包括 NMR、IR、UV-Vis、MS 和元素分析在内的多种仪器方法得到证实。此外，还确定并报告了这些新型催化剂的晶体结构。此外，在 MMAO（改性甲基铝氧烷）活化后，研究了[Cr(dipic)][Cr(bipy)(dipic)HO]∙2HO 和 [Cr(dipic)]Hdmbipy∙2.5 HO 配合物在 21°C 和大气压下用于 2-氯-2-丙烯-1-醇聚合的催化活性。结果发现，新型催化剂[Cr(dipic)][Cr(bipy)(dipic)HO]∙2HO 和 [Cr(dipic)]Hdmbipy∙2.5 HO 在β-烯烃衍生物聚合过程中表现出非常高的催化活性。此类催化聚合的产物是聚（烯丙醇）衍生物。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4cdf/5797135/8e346a031f74/41598_2018_20665_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4cdf/5797135/c30e28047141/41598_2018_20665_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4cdf/5797135/81e5f1a148ac/41598_2018_20665_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4cdf/5797135/afed3355836b/41598_2018_20665_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4cdf/5797135/e0980731be5d/41598_2018_20665_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4cdf/5797135/8e346a031f74/41598_2018_20665_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4cdf/5797135/c30e28047141/41598_2018_20665_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4cdf/5797135/81e5f1a148ac/41598_2018_20665_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4cdf/5797135/afed3355836b/41598_2018_20665_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4cdf/5797135/e0980731be5d/41598_2018_20665_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4cdf/5797135/8e346a031f74/41598_2018_20665_Fig5_HTML.jpg

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