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Green Energy & Environment 2022年第3期7卷 432-439页

作者： Juan-Juan Hou Jian-Tao Yuan Wei Zhang Ying-Xia Wang Xian-Ming Zhang Key Laboratory of Magnetic Molecules and Magnetic Information Materials(Ministry of Education) School of Chemistry and Material ScienceShanxi Normal UniversityLinfen041004China

Metal organophosphonates have been explored in energy-related fields due to their high chemical and thermal stability as a type of uniformly precursor,but only few of pristine metal organophosphonate are directly used for oxygen evolution reaction(OER)catalysts.Here,a mixedvalence iron phosphonate(Fe_(3)-ppat)has been constructed and applied to OER catalysis considered the potential active sites in pillars Fe^(Ⅱ)(-H_(2)O)_(4)(COO)_(2)and inorganic layers Fe^(Ⅲ)(μ_(2)–OH)PO_(3).Specifically,isostructural trimetallic framework Fe_(1.7)Co_(0.3)Ni_(1.0)-ppat possesses a minimum overpotential(291 mV),small Tafel slope(91.65 mV dec^(-1)),and high stability up to 83 h.The enhanced catalytic performance could be mainly ascribed to the synergistic effect of Ni^(Ⅱ)equivalent occupancy in pillars and Co/Fe^(Ⅲ)in layers.

关键词： phosphonate stability organo

Zwitterionic-phosphonate block polymer as anti-fouling coating for biomedical metals

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Rare Metals 2022年第2期41卷 700-712页

作者： Ya-Hui Gu Hong-Wei Liu Xiao-Han Dong Zhuang-Zhuang Ma You-Xin Li Li Li Dong-Lin Gan Ping-Sheng Liu Jian Shen Jiangsu Key Laboratory of Bio-Functional Materials Jiangsu Collaborative Innovation Center of Biomedical Functional MaterialsSchool of Chemistry and Materials ScienceNanjing Normal UniversityNanjing 210023China Jiangsu Engineering Research Center of Interfacial Chemistry Nanjing UniversityNanjing 210093China

Antifouling ability and blood compatibility are critically important in the development of medical metallic implants for clinical applications.Here,we report the zwitterionic-phosphonate block polymer as a new type of high-efficiency antifouling coating for metallic substrates.Six block polymers(pSBMA-b-pDEMMP)with different segment lengths(nSBMA:nDEMMP=10:25,40:25,100:25,75:5,75:40,75:100)were prepared and anchored on titanium alloy(TC4)substrates.1H nuclear magnetic resonance(NMR)results clearly showed the precise preparation of the block polymers.XPS analysis and water contact angle measurement indicated the successful construction of the block polymer on TC4 substrates.The relationship between the antifouling performance of the polymer coating and the length of pDEMMP and pSBMA segments in the block polymer was established.Results showed that the polymer containing the pSBMA segment above 40 repeat units could significantly inhibit protein adsorption,platelet adhesion,bacterial adhesion and cell adhesion,while the pDEMMP segment above 5 repeat units is able to generate stable zwitterionic polymer coating on TC4 substrates.This ease of production and high-efficiency antifouling modification strategy elucidated here may find broad application for biomedical implants and devices in clinical applications.

关键词： Zwitterionic phosphonate Anti-fouling coating Biomedical metals

Highly efficient production of 2,5-dihydroxymethylfuran from biomass-derived 5-hydroxymethylfurfural over an amorphous and mesoporous zirconium phosphonate catalyst

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Journal of Energy Chemistry 2019年第10期28卷 82-92页

作者： Lei Hu Ning Li Xiaoli Dai Yuqi Guo Yetao Jiang Aiyong He Jiaxing Xu Jiangsu Key Laboratory for Biomass-Based Energy and Enzyme Technology Jiangsu Collaborative Innovation Center of Regional Modern Agriculture &Environmental Protection School of Chemistry and Chemical Engineering Huaiyin Normal University

The development of high-efficiency and low-cost catalysts is very crucial for the MeerweinPonndorf-Verley (MPV) reduction of biomass-derived 5-hydroxymethylfurfural (HMF) into 2,5-dihydroxymethylfuran (DHMF). In this work, an amorphous and mesoporous zirconium phosphonate catalyst (Zr-DTMP), which is a zirconium-containing organic-inorganic nanohybrid, was successfully designed and synthesized by the simple assembly of zirconium tetrachloride (ZrCl4) and diethylene triaminepenta(methylene phosphonic acid)(DTMP). Satisfactorily, when Zr-DTMP was employed for the MPV reduction of HMF in the presence of 2-butanol (secBuOH), DHMF yield could be achieved as 96.5% in 3 h under a relatively mild reaction temperature of 140℃. Systematic investigations indicated that this high catalytic activity should be mainly due to the cooperative role of enhancive Lewis acid site (Zr4+) and Lewis base site (O2-) in activating the carbonyl group of HMF and dissociating the hydroxyl group of secBuOH, respectively. Additionally, Zr-DTMP showed excellent catalytic stability, when it was successively used 5 recycles, its surface characteristics and textural properties still remained almost unchanged, and so, the catalytic activity was not obviously affected. More interestingly, Zr-DTMP could also be applied for the selective reduction of other biomass-derived carbonyl compounds, such as 5-methylfurfural (MF), furfural (FF), levulinic acid (LA), ethyl levulinate (EL) and cyclohexanone (CHN), into the corresponding products with high yields, which is beneficial to the effective synthesis of various valuable bio-based chemicals.

关键词： 5-Hydroxymethylfurfural 2,5-Dihydroxymethylfuran 2-Butanol Zirconium phosphonate catalyst Meerwein-Ponndorf-Verley reduction

Design and Synthesis of Polyoxazole-based Macrocycles Tethered with a phosphonate Group

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Chinese Journal of Chemistry 2014年第7期32卷 585-591页

作者： Fuling Qi Lianxun Gao Fushe Han Changchun Institute of Applied Chemistry Chinese Academy of SciencesChangchunJilin 130022China University of Chinese Academy of Sciences Beijing 100864China Key Lab of Synthetic Chemistry of Natural Substances Shanghai Institute of Organic ChemistryChinese Academy of SciencesShanghai 200032China

We present the design and synthesis of polyoxazole-based macrocycles containing a phosphonate group.A reliable route was established that allows for convenient and versatile incorporation of various phosphonate functionalities such as phosphonate ester,acid,and salt at the macrocyclic ring periphery.Such unprecedented macrocyclic compounds are anticipated to be appealing candidates as telomerase inhibitors.

关键词： telomerase Telomestatin oxazole phosphonate macrocyclic compound

Synthesis and Crystal Structure of Diethyl 5-Acetoxy-3-(4-chlorophenyl)- 4,5-dihydroisoxazol-5-yl-5-phosphonate

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Chinese Journal of Structural Chemistry 2006年第12期25卷 1453-1456页

作者：尚志强陈茹玉黄有 State Key Laboratory of Elemento-organic Chemistry Institute of Elemento-organic Chemistry Nankai University

The crystal structure of the title compound, diethyl 5-acetoxy-3-（4-chlorophenyl）-4,5- dihydroisoxazol-5-yl-5-phosphonate （C15H19CINO6P, Mr = 375.73）, has been synthesized by the treatment of nitrile oxides and l-acetyloxy-vinylphosphonate under very mild conditions in good yields, and determined by single-crystal X-ray diffraction. The crystal belongs to monoclinic, space group C2/c with a = 16.914（10）, b = 10.567（7）, c = 21.927（13） A, β = 110.249（11）°, V = 3677（4） A^3, Z = 8, Dc = 1.358 g/cm^3, F（000） = 1568,/l（MoKa） = 0.324 mm^-1）, S = 1.011, the final R = 0.0661 and wR = 0.1556. The X-ray analytic results showed that the dihedral angle between the phenyl group and the isoxazoline ring is 10.7°.

关键词： crystal structure isoxazolines phosphonate synthesis

Synthesis,Structure and Characterization of a 3D Chiral Carboxylate and phosphonate Metalorganic Framework Based on 1,1?-Biphenol Ligand

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Chinese Journal of Structural Chemistry 2018年第9期37卷 1509-1515页

作者：焦静静李子建郑发鲲刘百战崔勇 State Key Laboratory of Metal Matrix Composites School of Chemistry and Chemical Engineering Shanghai Jiaotong University State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences China Tobacco

A novel phosphonate-based chiral metal-organic framework 1 was synthesized from C2-symmetric 1,1？-biphenol-based ligand and structurally characterized by single-crystal and powder X-ray diffraction, Fourier-transform infrared spectra（FTIR）, circular dichroism（CD） and thermogravimetric analyses（TGA）. Two neighboring Mn ions are linked by two carboxylate groups and one phosphate group to form a di-manganese unit [Mn2] and each [Mn2] cluster in 1 is linked by five ligands, generating a 3D network with fns topology. In addition, the photoluminescence properties of 1 and H4 L were investigated.

关键词： biphenol phosphonate manganese chiral metal-organic framework photoluminescence

Synthesis,Characterization and X-ray Crystal Structure of 2-Methylpropan-2-aminium Methyl ((4-Fluorobenzamido)(4-fluorophenyl)methyl) phosphonate·H_2O

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Chinese Journal of Structural Chemistry 2014年第7期33卷 985-989页

作者：高玉焦邓小艳彭浩贺红武 Key Laboratory of Pesticide and Chemical Biology Ministry of Educationand College of ChemistryCentral China Normal University

A new crystal of 2-methylpropan-2-aminium methyl （（4-fluorobenzamido）（4- fluorophenyl）methyl）phosphonate has been prepared at room temperature and characterized by ZH- NMR, 13C NMR, IR, MS, elemental analysis and X-ray single-crystal determination. The compound crystallizes in monoclinic space, group C2/c with a = 20.719（2）, b = 11.8559（13）, c = 18.176（2） A,β = 94.434（2）°, V= 4451.4（9） A3, Dc = 1.317 Mg/m3, Z= 8, F（000） = 1864 and μ= 0.174 mm-1. The crystal packing is stabilized by intermolecular N-H……O and O-H……O hydrogen bonds, as well as by weak π-π stacking interactions.

关键词： X-ray crystallography benzamide phosphonate

Synthesis of AZT-phosphonate,Phosphonothioate and Phosphonoselenoate

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Chinese Chemical Letters 2002年第11期13卷 1057-1058页

作者： QiangXIAO YongJU 等 TheKeyLaboratoryofBiorrganicPhosphorusChemistry MinistryofEducationDepartmentofChemistrySchoolofLifeSciencesandEngineeringTsinghuaUniversityBeijing100084 TheKeyLaboratoryofBiorrganicPhosphorusChem

phosphonate, phosphonothioate and phosphonoselenoate derivatives of AZT were synthesized in an expeditious way and high yields.

关键词： AZT phosphonate phosphonothioate phosphonoselenoate hydrogenphosphonate.

Copper-catalyzed oxidative phosphonoheteroarylation of alkenes with phosphonates and N-heteroarenes via P-H/C-H functionalization

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Organic Chemistry Frontiers 2022年第2期9卷 476-480页

作者： Chong-Hui Xu Zhi-Qiang Xiong Yang Li Yan-Ping Zhu Jin-Heng Li Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle Nanchang Hangkong UniversityNanchang 330063China School of Pharmacy Key Laboratory of Molecular Pharmacology and Drug EvaluationMinistry of EducationCollaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of ShandongYantai UniversityYantaiShandong264005China State Key Laboratory of Applied Organic Chemistry Lanzhou UniversityLanzhou 730000China School of Chemistry and Chemical Engineering Henan Normal UniversityXinxiangHenan 475004China

A copper-catalyzed oxidative intermolecular phosphonoheteroarylation of alkenes with phosphonates and nucleophilic N-heteroarenes(such as indoles and pyrroles)involving P-H/C-H functionalization for the synthesis of highly valuable β-(N-heteroaryl)-alkylphosphonates is disclosed.This method allows the incorporation of two functional groups,a phosphonate and a N-heteroarene,into the alkene in a single reaction step through oxidative formation of the P-centered radicals,addition across the CvC bond,single electron oxidation and C-H functionalization cascades.

关键词： oxidative phosphonate catalyzed

A multifaceted approach towards understanding the peculiar behavior of(α)-hydroxyiminophosphonates

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Organic Chemistry Frontiers 2022年第1期9卷 173-182页

作者： Thomas Toupy Christopher Kune Kristof Van Hecke Loïc Quinton Jean-Christophe M.Monbaliu Center for Integrated Technology and Organic Synthesis MolSys Research UnitUniversity of LiègeB-4000 Liège(Sart Tilman)Belgium Mass Spectrometry Laboratory MolSys Research UnitUniversity of LiègeB-4000 Liège(Sart Tilman)Belgium XStruct Department of ChemistryGhent UniversityKrijgslaan 281-S3B-9000 GhentBelgium

The peculiar isomer-selective reduction of(α)-hydroxyiminophosphonates(oxime isomers)into(α)-hydroxyaminophosphonate(hydroxylamine)derivatives is presented.A library of 16(α)-hydroxyiminophosphonates is prepared and studied via a unique multifaceted approach involving the interplay of NMR,XRD,MS,IM-MS and computational chemistry techniques.The combination of NMR,XRD and HPLC enables the seamless separation,identification and quantification of the oxime isomers(E/Z).Tandem MS(MS/MS)enables the determination of the fragmentation patterns for both isomers.Collision energy breakdown curves highlight the order of apparition of the fragments as well as their related energy of fragmentation,demonstrating that the strength of the C–P bond in the Z isomers is much weaker than in the E isomers.Computational chemistry demonstrates that favorable protonation site is isomer-dependent with the phosphonate moiety being the favorable protonation site for the E isomers,while protonation occurs preferentially on the amino moiety for Z isomers regardless of the phosphite source.The combination of these various methods led an unprecedented level of characterization of oxime isomers,providing a better uderstanding of the isomer-dependent behavior of(α)-hydroxyiminophosphonates.

关键词： isomers phosphonate moiety