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使用二吡啶甲酸氧钒（IV）配位化合物制备烯丙醇低聚物

Preparation of Allyl Alcohol Oligomers Using Dipicolinate Oxovanadium(IV) Coordination Compound.

作者信息

Pobłocki Kacper, Jacewicz Dagmara, Walczak Juliusz, Gawdzik Barbara, Kramkowski Karol, Drzeżdżon Joanna, Kowalczyk Paweł

机构信息

Department of Environmental Technology, Faculty of Chemistry, University of Gdansk, Wita Stwosza 63, 80-308 Gdansk, Poland.

Department of Organic Chemistry, Faculty of Chemistry, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland.

出版信息

Materials (Basel). 2022 Jan 18;15(3):695. doi: 10.3390/ma15030695.

DOI:10.3390/ma15030695
PMID:35160642
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8836411/
Abstract

Currently, new precatalysts for olefin oligomerization are being sought in the group of vanadium(IV) complexes. Thus, the aim of our research was to examine the catalytic activity of the oxovanadium(IV) dipicolinate complex [VO(dipic)(HO)] 2 HO (dipic = pyridine-2,6-dicarboxylate anion) in 2-propen-1-ol oligomerization as well as to characterize oligomerization products using matrix-assisted laser desorption/ionization-time-of-flight mass spectrometry (MALDI-TOF-MS), infrared spectroscopy (IR) and nuclear magnetic resonance (NMR). The oligomerization process took place at room temperature, under atmospheric pressure and under nitrogen atmosphere to prevent oxidation of the activator MMAO-12-the modified methylaluminoxane (7 wt.%) aluminum in toluene. The last point was to determine the catalytic activity of the complex in the oligomerization reaction of 2-propen-1-ol. The aspect that enriches this work is the proposed mechanism of oligomerization of allyl alcohol based on the literature.

摘要

目前，正在钒（IV）配合物组中寻找用于烯烃低聚的新型预催化剂。因此，我们研究的目的是研究氧钒（IV）二吡啶甲酸配合物[VO（dipic）（HO）] 2 HO（dipic =吡啶-2,6-二羧酸根阴离子）在2-丙烯-1-醇低聚反应中的催化活性，并使用基质辅助激光解吸/电离飞行时间质谱（MALDI-TOF-MS）、红外光谱（IR）和核磁共振（NMR）对低聚产物进行表征。低聚过程在室温、大气压和氮气气氛下进行，以防止活化剂MMAO-12（7 wt.%）改性甲基铝氧烷中的铝在甲苯中被氧化。最后一点是确定该配合物在2-丙烯-1-醇低聚反应中的催化活性。基于文献提出的烯丙醇低聚反应机理丰富了这项工作。

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