{"title":"含咪唑配体的异核配位聚合物:合成、表征和酒精氧化活性","authors":"Güneş Süheyla Kürkçüoğlu , Okan Zafer Yeşilel , Telvin Mwanza , Seray Kekeç , Hakan Ünver , Onur Şahin","doi":"10.1016/j.poly.2024.117263","DOIUrl":null,"url":null,"abstract":"<div><div>Two new heteronuclear Cd(II)/Pd(II) coordination polymers, [Cd<sub>2</sub>(µ-im)<sub>2</sub>(Him)<sub>4</sub>Pd(µ-CN)<sub>4</sub>]<sub>n</sub> (<strong>1</strong>) and [Cd(Him)<sub>2</sub>Pd(µ-CN)<sub>4</sub>]<sub>n</sub> (<strong>2</strong>) (Him: imidazole), have been synthesized under different conditions and characterized using elemental analysis, thermal analysis, FT-IR and Raman spectroscopy, single-crystal and powder X-ray diffraction techniques. In <strong>1</strong>, the Cd(II) ions are bridged by imidazolate ligands to generate 1D chain structure. Neighbouring 1D chains were linked by [Pd(CN)<sub>4</sub>]<sup>2-</sup> ions to form 3D framework. In <strong>2</strong>, the metal ions are bridged by cyanide ligands to generate 2D [Cd<sub>2</sub>Pd<sub>2</sub>(µ-CN)<sub>4</sub>]<sub>n</sub> network. Catalytic peroxidative oxidation activity of <strong>1</strong> and <strong>2</strong> was examined on the oxidation of benzyl alcohol using tertiary-butyl hydroperoxide (<em>t-</em>BuOOH) as the oxygen source. The compound <strong>1</strong> exhibited over 90 % product conversion at 80 °C in 24-hour reaction time. In addition, the catalyst exhibited high selectivity towards benzaldehyde and no over-oxidation product (benzoic acid) was detected.</div></div>","PeriodicalId":20278,"journal":{"name":"Polyhedron","volume":"264 ","pages":"Article 117263"},"PeriodicalIF":2.4000,"publicationDate":"2024-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Heteronuclear coordination polymers with imidazole ligand: Synthesis, characterization and alcohol oxidation activities\",\"authors\":\"Güneş Süheyla Kürkçüoğlu , Okan Zafer Yeşilel , Telvin Mwanza , Seray Kekeç , Hakan Ünver , Onur Şahin\",\"doi\":\"10.1016/j.poly.2024.117263\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><div>Two new heteronuclear Cd(II)/Pd(II) coordination polymers, [Cd<sub>2</sub>(µ-im)<sub>2</sub>(Him)<sub>4</sub>Pd(µ-CN)<sub>4</sub>]<sub>n</sub> (<strong>1</strong>) and [Cd(Him)<sub>2</sub>Pd(µ-CN)<sub>4</sub>]<sub>n</sub> (<strong>2</strong>) (Him: imidazole), have been synthesized under different conditions and characterized using elemental analysis, thermal analysis, FT-IR and Raman spectroscopy, single-crystal and powder X-ray diffraction techniques. In <strong>1</strong>, the Cd(II) ions are bridged by imidazolate ligands to generate 1D chain structure. Neighbouring 1D chains were linked by [Pd(CN)<sub>4</sub>]<sup>2-</sup> ions to form 3D framework. In <strong>2</strong>, the metal ions are bridged by cyanide ligands to generate 2D [Cd<sub>2</sub>Pd<sub>2</sub>(µ-CN)<sub>4</sub>]<sub>n</sub> network. Catalytic peroxidative oxidation activity of <strong>1</strong> and <strong>2</strong> was examined on the oxidation of benzyl alcohol using tertiary-butyl hydroperoxide (<em>t-</em>BuOOH) as the oxygen source. The compound <strong>1</strong> exhibited over 90 % product conversion at 80 °C in 24-hour reaction time. In addition, the catalyst exhibited high selectivity towards benzaldehyde and no over-oxidation product (benzoic acid) was detected.</div></div>\",\"PeriodicalId\":20278,\"journal\":{\"name\":\"Polyhedron\",\"volume\":\"264 \",\"pages\":\"Article 117263\"},\"PeriodicalIF\":2.4000,\"publicationDate\":\"2024-10-22\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Polyhedron\",\"FirstCategoryId\":\"92\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S027753872400439X\",\"RegionNum\":3,\"RegionCategory\":\"化学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"CHEMISTRY, INORGANIC & NUCLEAR\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Polyhedron","FirstCategoryId":"92","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S027753872400439X","RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"CHEMISTRY, INORGANIC & NUCLEAR","Score":null,"Total":0}
Heteronuclear coordination polymers with imidazole ligand: Synthesis, characterization and alcohol oxidation activities
Two new heteronuclear Cd(II)/Pd(II) coordination polymers, [Cd2(µ-im)2(Him)4Pd(µ-CN)4]n (1) and [Cd(Him)2Pd(µ-CN)4]n (2) (Him: imidazole), have been synthesized under different conditions and characterized using elemental analysis, thermal analysis, FT-IR and Raman spectroscopy, single-crystal and powder X-ray diffraction techniques. In 1, the Cd(II) ions are bridged by imidazolate ligands to generate 1D chain structure. Neighbouring 1D chains were linked by [Pd(CN)4]2- ions to form 3D framework. In 2, the metal ions are bridged by cyanide ligands to generate 2D [Cd2Pd2(µ-CN)4]n network. Catalytic peroxidative oxidation activity of 1 and 2 was examined on the oxidation of benzyl alcohol using tertiary-butyl hydroperoxide (t-BuOOH) as the oxygen source. The compound 1 exhibited over 90 % product conversion at 80 °C in 24-hour reaction time. In addition, the catalyst exhibited high selectivity towards benzaldehyde and no over-oxidation product (benzoic acid) was detected.
期刊介绍:
Polyhedron publishes original, fundamental, experimental and theoretical work of the highest quality in all the major areas of inorganic chemistry. This includes synthetic chemistry, coordination chemistry, organometallic chemistry, bioinorganic chemistry, and solid-state and materials chemistry.
Papers should be significant pieces of work, and all new compounds must be appropriately characterized. The inclusion of single-crystal X-ray structural data is strongly encouraged, but papers reporting only the X-ray structure determination of a single compound will usually not be considered. Papers on solid-state or materials chemistry will be expected to have a significant molecular chemistry component (such as the synthesis and characterization of the molecular precursors and/or a systematic study of the use of different precursors or reaction conditions) or demonstrate a cutting-edge application (for example inorganic materials for energy applications). Papers dealing only with stability constants are not considered.