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基于吡啶三羧酸的一系列配位聚合物的水热组装、结构多样性及催化Knoevenagel缩合反应

Hydrothermal Assembly, Structural Multiplicity, and Catalytic Knoevenagel Condensation Reaction of a Series of Coordination Polymers Based on a Pyridine-Tricarboxylic Acid.

作者信息

Kang Xiuqi, Ren Chao, Mei Zhenzhong, Fan Xiaoxiang, Xue Jijun, Shao Yongliang, Gu Jinzhong

机构信息

State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China.

出版信息

Molecules. 2023 Nov 8;28(22):7474. doi: 10.3390/molecules28227474.

DOI:10.3390/molecules28227474
PMID:38005197
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10673224/
Abstract

A pyridine-tricarboxylic acid, 5-(3',5'-dicarboxylphenyl)nicotinic acid (Hdpna), was employed as a adjustable block to assemble a series of coordination polymers under hydrothermal conditions. The seven new coordination polymers were formulated as [Co(Hdpna)(dpey)]·HO (), [Zn(dpna)(phen)] (), [Co(dpna)(2,2'-bipy)] (), [Zn(dpna)(2,2'-bipy)] (), [Co(dpna)(4,4'-bipy)(HO)]·2HO (),[Co(bpb)(HO)][Co(dpna)(HO)]·3HO (), and [Mn(dpna)(dpea)] (), wherein 1,2-di(4-pyridyl)ethylene (dpey), 1,10-phenanthroline (phen), 2,2'-bipyridine(2,2'-bipy),4,4'-bipyridine(4,4'-bipy),1,4-bis(pyrid-4-yl)benzene (bpb), and 1,2-di(4-pyridyl)ethane (dpea) were employed as auxiliary ligands. The structural variation of polymers - spans the range from a 2D sheet (-, , and ) to a 3D metal-organic framework (MOF, ). Polymers - were investigated as heterogeneous catalysts in the Knoevenagel condensation reaction, leading to high condensation product yields (up to 100%) under optimized conditions. Various reaction conditions, substrate scope, and catalyst recycling were also researched. This work broadens the application of Hdpna as a versatile tricarboxylate block for the fabrication of functional coordination polymers.

摘要

一种吡啶三羧酸，即5-(3',5'-二羧基苯基)烟酸(Hdpna)，被用作可调节的结构单元，在水热条件下组装了一系列配位聚合物。这七种新型配位聚合物的化学式分别为[Co(Hdpna)(dpey)]·H₂O ()、[Zn(dpna)(phen)] ()、[Co(dpna)(2,2'-bipy)] ()、[Zn(dpna)(2,2'-bipy)] ()、[Co(dpna)(4,4'-bipy)(H₂O)]·2H₂O ()、[Co(bpb)(H₂O)][Co(dpna)(H₂O)]·3H₂O ()和[Mn(dpna)(dpea)] ()，其中1,2-二(4-吡啶基)乙烯(dpey)、1,10-菲啰啉(phen)、2,2'-联吡啶(2,2'-bipy)、4,4'-联吡啶(4,4'-bipy)、1,4-双(吡啶-4-基)苯(bpb)和1,2-二(4-吡啶基)乙烷(dpea)被用作辅助配体。聚合物的结构变化范围从二维片层结构(-、和)到三维金属有机框架(MOF，)。聚合物-在Knoevenagel缩合反应中作为多相催化剂进行了研究，在优化条件下可得到高产率的缩合产物(高达100%)。还研究了各种反应条件、底物范围和催化剂循环利用。这项工作拓宽了Hdpna作为一种通用的三羧酸盐结构单元在制备功能性配位聚合物方面的应用。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a996/10673224/c4801307032f/molecules-28-07474-sch003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a996/10673224/99f662143236/molecules-28-07474-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a996/10673224/0491cb9fc433/molecules-28-07474-sch002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a996/10673224/c7730df1d130/molecules-28-07474-g001a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a996/10673224/e401d29c9434/molecules-28-07474-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a996/10673224/fb3c881cbf41/molecules-28-07474-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a996/10673224/3efc5220de28/molecules-28-07474-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a996/10673224/b111635e3a1b/molecules-28-07474-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a996/10673224/09591c9eff76/molecules-28-07474-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a996/10673224/c4801307032f/molecules-28-07474-sch003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a996/10673224/99f662143236/molecules-28-07474-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a996/10673224/0491cb9fc433/molecules-28-07474-sch002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a996/10673224/c7730df1d130/molecules-28-07474-g001a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a996/10673224/e401d29c9434/molecules-28-07474-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a996/10673224/fb3c881cbf41/molecules-28-07474-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a996/10673224/3efc5220de28/molecules-28-07474-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a996/10673224/b111635e3a1b/molecules-28-07474-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a996/10673224/09591c9eff76/molecules-28-07474-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a996/10673224/c4801307032f/molecules-28-07474-sch003.jpg

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