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聚（离子液体）分散的钴配合物催化二异丁烯甲氧基羰基化合成甲基异壬酸酯

Methoxycarbonylation of diisobutylene into methyl isononanoate catalyzed by cobalt complexes dispersed by poly(ionic liquids).

作者信息

Song Heyuan, Ding Mengjiao, Tian Zhaoxiong, Lei Shuangtai, Liu Hailong

机构信息

School of Chemistry and Chemical Engineering, Lanzhou Jiaotong University Lanzhou 730070 China

State Key Laboratory of Low Carbon Catalysis and Carbon Dioxide Utilization, State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences Lanzhou 730000 China.

出版信息

RSC Adv. 2024 Aug 28;14(35):25703-25711. doi: 10.1039/d4ra04745a. eCollection 2024 Aug 12.

DOI:10.1039/d4ra04745a
PMID:39206341
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11350634/
Abstract

The catalytic performance of cobalt complex catalysts coordinated with various poly(ionic liquids) for the methoxycarbonylation of diisobutene into methyl isononanoate was investigated. The poly(ionic liquids) were synthesized a solvothermal polymerization method and were characterized using Fourier transform infrared spectroscopy, thermogravimetric analysis, scanning electron microscopy, transmission electron microscopy, N adsorption-desorption and elemental analyses. A diisobutene conversion of 88.0% and a methyl isononanoate selectivity of 91.4% were achieved using HVIMI-VPy-DVB (1 : 1)@Co(CO) as catalysts at the optimized reaction conditions of 8.0 MPa CO and 150 °C. Furthermore, the catalyst system can be suitable for the methoxycarbonylation of various terminal olefins and exhibits high recoverability and thermostability.

摘要

研究了与各种聚（离子液体）配位的钴配合物催化剂对二异丁烯甲氧基羰基化制甲基异壬酸酯的催化性能。通过溶剂热聚合法合成了聚（离子液体），并采用傅里叶变换红外光谱、热重分析、扫描电子显微镜、透射电子显微镜、N吸附-脱附和元素分析对其进行了表征。在8.0 MPa CO和150℃的优化反应条件下，使用HVIMI-VPy-DVB(1∶1)@Co(CO)作为催化剂，二异丁烯转化率达到88.0%，甲基异壬酸酯选择性达到91.4%。此外，该催化剂体系适用于各种末端烯烃的甲氧基羰基化反应，并具有高回收性和热稳定性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e882/11350634/33cab2d73d6f/d4ra04745a-f9.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e882/11350634/a65ad1bbc1b8/d4ra04745a-f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e882/11350634/33cab2d73d6f/d4ra04745a-f9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e882/11350634/39b263d67fdb/d4ra04745a-f1.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e882/11350634/4b6a6a86a595/d4ra04745a-f5.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e882/11350634/a65ad1bbc1b8/d4ra04745a-f8.jpg
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