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Preview: Journal of the Chinese Chemical Society 12/2024 预览：中国化学会学报12/2024
IF 1.6 4区 化学
Journal of The Chinese Chemical Society Pub Date : 2024-12-16 DOI: 10.1002/jccs.202412001
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引用次数: 0
Cover: Journal of the Chinese Chemical Society 12/2024 封面：中国化学会学报12/2024
IF 1.6 4区 化学
Journal of The Chinese Chemical Society Pub Date : 2024-12-16 DOI: 10.1002/jccs.1863
{"title":"Cover: Journal of the Chinese Chemical Society 12/2024","authors":"","doi":"10.1002/jccs.1863","DOIUrl":"https://doi.org/10.1002/jccs.1863","url":null,"abstract":"<p><b>Focus of the figure</b>: A 3D supramolecular architecture, built up through the assembly of a double-layered 2D honeycomb-like MOFs, exhibits a stepwise water vapor ad-/de-sorption isotherm with the maximum sorption of approximate 4.0 n/mol mol<sup>-1</sup> H<sub>2</sub>O molecules, which is attributed to structural transformation on the basis of the hydrogen-bonding affinity of water molecules with the two free N atoms of tcm<sup>-1</sup> ligand in the framework and the framework flexibility assembled by two-fold interpenetrated 2D nets. More details about this figure will be discussed by Dr. Chih-Chieh Wang and his co-workers on pages 1464-1472 in this issue.\u0000\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":17262,"journal":{"name":"Journal of The Chinese Chemical Society","volume":"71 12","pages":"1417"},"PeriodicalIF":1.6,"publicationDate":"2024-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jccs.1863","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142861493","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Contents and Masthead: Journal of the Chinese Chemical Society 12/2024 目录及刊头：中国化学会学报12/2024
IF 1.6 4区 化学
Journal of The Chinese Chemical Society Pub Date : 2024-12-16 DOI: 10.1002/jccs.1864
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引用次数: 0
Contents and Masthead: Journal of the Chinese Chemical Society 11/2024 内容和刊头：中国化学会志 11/2024
IF 1.6 4区 化学
Journal of The Chinese Chemical Society Pub Date : 2024-11-14 DOI: 10.1002/jccs.1861
{"title":"Contents and Masthead: Journal of the Chinese Chemical Society 11/2024","authors":"","doi":"10.1002/jccs.1861","DOIUrl":"https://doi.org/10.1002/jccs.1861","url":null,"abstract":"","PeriodicalId":17262,"journal":{"name":"Journal of The Chinese Chemical Society","volume":"71 11","pages":""},"PeriodicalIF":1.6,"publicationDate":"2024-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jccs.1861","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142642015","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cover: Journal of the Chinese Chemical Society 11/2024 封面中国化学会志 11/2024
IF 1.6 4区 化学
Journal of The Chinese Chemical Society Pub Date : 2024-11-14 DOI: 10.1002/jccs.1860
{"title":"Cover: Journal of the Chinese Chemical Society 11/2024","authors":"","doi":"10.1002/jccs.1860","DOIUrl":"https://doi.org/10.1002/jccs.1860","url":null,"abstract":"<p><b>Focus of the figure</b>: The photocatalytic degradation performance of biosynthesized nanoparticles for the eco-purification of pharmaceutical-polluted water was studied and demonstrated to be an economical remediation method with remarkable recyclability potential. Overall, the biogenic entities' oxygenated functional groups employed for nanoparticle biosynthesis contributed to the •OH and O2• dominance in the photocatalytic degradation operation. More details about this figure will be discussed by Dr. Stephen S. Emmanuel and his co-workers on pages 1332-1357 in this issue.\u0000\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":17262,"journal":{"name":"Journal of The Chinese Chemical Society","volume":"71 11","pages":"1331"},"PeriodicalIF":1.6,"publicationDate":"2024-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jccs.1860","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142642293","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Preview: Journal of the Chinese Chemical Society 11/2024 预览：中国化学会志 11/2024
IF 1.6 4区 化学
Journal of The Chinese Chemical Society Pub Date : 2024-11-14 DOI: 10.1002/jccs.202411001
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引用次数: 0
Impact of the host lattice on crystallographic, Raman, optical, and luminescent properties on the terbium ion 主晶格对铽离子晶体学、拉曼、光学和发光特性的影响
IF 1.6 4区 化学
Journal of The Chinese Chemical Society Pub Date : 2024-11-07 DOI: 10.1002/jccs.202400314
Anees A. Ansari, M. A. Majeed Khan
{"title":"Impact of the host lattice on crystallographic, Raman, optical, and luminescent properties on the terbium ion","authors":"Anees A. Ansari,&nbsp;M. A. Majeed Khan","doi":"10.1002/jccs.202400314","DOIUrl":"https://doi.org/10.1002/jccs.202400314","url":null,"abstract":"<p>A comparative study of the Gd<sub>2</sub>O<sub>3</sub>:Tb and Y<sub>2</sub>O<sub>3</sub>:Tb nanoparticles (NPs) was presented to examine the influence of the host lattices on the crystallographic phase, surface characteristics, optical properties, Raman effect, and photoluminescence properties. Cubic shapes Gd<sub>2</sub>O<sub>3</sub>:Tb and Y<sub>2</sub>O<sub>3</sub>:Tb NPs with an estimated crystalline size of 17 and 11 nm were recorded from the X-ray diffraction pattern, respectively. Comparative absorption spectra of both oxides NPs were presented to examine the dispersibility, colloidal stability, and optical behavior of the NPs. Energy bandgap values were estimated to monitor the optical characteristics of the metal oxides in the UV/Vis region. Fourier transform infrared was recorded to confirm the surface-attached water and organic moieties. The Raman spectra of metal oxides were recorded to examine the symmetrical dis-order and polarizability of the vibrational bands. The ionic radius of the atoms distorts the bond structure resulting in it greatly influenced the vibrational bands of the materials. The emission spectra certified the effective doping of the luminescent Tb<sup>3+</sup>-ion in the metal oxide host lattices. Raman spectra and emission spectra validated the crystal symmetry imperfections; subsequently, the efficiency of the Raman active modes and emission transitions was greatly influenced. In a comparative analysis, Y<sub>2</sub>O<sub>3</sub>:Tb NPs exhibited higher luminescence intensity in comparison with the Gd<sub>2</sub>O<sub>3</sub>:Tb NPs.</p>","PeriodicalId":17262,"journal":{"name":"Journal of The Chinese Chemical Society","volume":"71 12","pages":"1473-1481"},"PeriodicalIF":1.6,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142860453","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Phosphine-mediated one-pot reactions: Syntheses of β-acylated alkylidene indandiones and furo[2,3-f]dibenzotropones via MBH-type annulation/acylation or Wittig reaction 膦介导的一锅反应：通过mbh型环化/酰化或Wittig反应合成β-酰化烷基烯二酮和呋喃[2,3-f]二苯并托酮
IF 1.6 4区 化学
Journal of The Chinese Chemical Society Pub Date : 2024-11-07 DOI: 10.1002/jccs.202400275
Po-Chung Chien, You-Jie Chen, Gangababu Marri, Yi-Ru Chen, Ching-Fen Chang, Pei-Shan Wu, Wenwei Lin
{"title":"Phosphine-mediated one-pot reactions: Syntheses of β-acylated alkylidene indandiones and furo[2,3-f]dibenzotropones via MBH-type annulation/acylation or Wittig reaction","authors":"Po-Chung Chien,&nbsp;You-Jie Chen,&nbsp;Gangababu Marri,&nbsp;Yi-Ru Chen,&nbsp;Ching-Fen Chang,&nbsp;Pei-Shan Wu,&nbsp;Wenwei Lin","doi":"10.1002/jccs.202400275","DOIUrl":"https://doi.org/10.1002/jccs.202400275","url":null,"abstract":"<p>Phosphine-mediated one-pot reactions have been developed that involve two mechanistically distinct reactions assembled in one reaction vessel via the sequential addition process. The first step involves MBH-type annulation of <i>α</i>,<i>β</i>-ynones to afford cyclic products in each case, which then engages in subsequent <i>β</i>-acylation or intramolecular Wittig reactions. The reaction conditions are mild and efficient, providing acylated alkylidene indandiones in 70%–99% yields or furo[2,3-<i>f</i>]dibenzotropones in 65%–91% yields, respectively.</p>","PeriodicalId":17262,"journal":{"name":"Journal of The Chinese Chemical Society","volume":"71 12","pages":"1482-1495"},"PeriodicalIF":1.6,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142860454","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Theoretical investigation of Diels–Alder reaction mechanism and regioselectivity with functionalized fullerene derivatives 功能化富勒烯衍生物Diels-Alder反应机理及区域选择性的理论研究
IF 1.6 4区 化学
Journal of The Chinese Chemical Society Pub Date : 2024-11-04 DOI: 10.1002/jccs.202400206
Batoul Makiabadi, Fereshteh Naderi, Mohammad Zakarianezhad
{"title":"Theoretical investigation of Diels–Alder reaction mechanism and regioselectivity with functionalized fullerene derivatives","authors":"Batoul Makiabadi,&nbsp;Fereshteh Naderi,&nbsp;Mohammad Zakarianezhad","doi":"10.1002/jccs.202400206","DOIUrl":"https://doi.org/10.1002/jccs.202400206","url":null,"abstract":"<p>Density functional theory (DFT) was used to study the mechanism of Diels–Alder (DA) reaction between 2-Methyl- 1,3 Butadiene (MBD) with B<sub>12</sub>N<sub>12</sub>, B<sub>6</sub>N<sub>6</sub>C<sub>12</sub> and B<sub>6</sub>C<sub>12</sub>N<sub>6</sub> fullerens in the gas phase. In this mechanism, B-N bonds of four-membered and six-membered rings of nanocages were chosen to react with MBD. Due to the existence of two types of B-N bonds, two competitive pathways (<b><i>a</i></b> and <b><i>b</i></b>) were investigated. The effect of the substitution of carbon atoms instead of boron and nitrogen atoms on the stability of the structures and the regioselectivity of the DA reaction was examined. The potential energy of all structures and the activation barrier for all reaction pathways was evaluated. The chemical reactivity of fullerens using the molecular quantum descriptors was assessed. To evaluate the global electron density transfer in transition states (TS) structures, the natural bond orbital (NBO) analysis was performed.</p>","PeriodicalId":17262,"journal":{"name":"Journal of The Chinese Chemical Society","volume":"71 12","pages":"1418-1426"},"PeriodicalIF":1.6,"publicationDate":"2024-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142859927","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthesis, structural characterization, water ad-/de-sorption isotherm, and CO2 uptakes of a 2D Cu(I) metal organic framework with 1,3,5-tris(4-pyridylethynyl)benzene (L) and Tricyanomethanide (tcm−) ligands 含 1,3,5-三(4-吡啶乙炔基)苯 (L) 和三氰基甲烷 (tcm-) 配体的二维 Cu(I)金属有机框架的合成、结构表征、水吸附/脱附等温线和二氧化碳吸收率
IF 1.6 4区 化学
Journal of The Chinese Chemical Society Pub Date : 2024-10-28 DOI: 10.1002/jccs.202400268
Chih-Chieh Wang, Yu-Ching Wu, Yu-Chen Chung, En-Che Yang, Gene-Hsiang Lee, Su-Ying Chien, Po-Ya Chang, Hwo-Shuenn Sheu
{"title":"Synthesis, structural characterization, water ad-/de-sorption isotherm, and CO2 uptakes of a 2D Cu(I) metal organic framework with 1,3,5-tris(4-pyridylethynyl)benzene (L) and Tricyanomethanide (tcm−) ligands","authors":"Chih-Chieh Wang,&nbsp;Yu-Ching Wu,&nbsp;Yu-Chen Chung,&nbsp;En-Che Yang,&nbsp;Gene-Hsiang Lee,&nbsp;Su-Ying Chien,&nbsp;Po-Ya Chang,&nbsp;Hwo-Shuenn Sheu","doi":"10.1002/jccs.202400268","DOIUrl":"https://doi.org/10.1002/jccs.202400268","url":null,"abstract":"<p>A d<sup>10</sup> Cu(I) two-dimensional (2D) metal–organic framework (MOF) with chemical formulas, {[Cd(L)(tcm)(H<sub>2</sub>O)]⋅2H<sub>2</sub>O}<sub>n</sub> (<b>1</b>) (L = 1,3,5-tris(4-pyridylethynyl)benzene; tcm<sup>−1</sup> = tricyanomethanide) was synthesized and structurally characterized by single crystal X-ray diffraction method. In <b>1</b>, the coordination geometry of Cu(I) ion is distorted tetrahedral coordinated to four N atoms from three L and one tcm<sup>−</sup> ligands. A 2D puckered honeycomb-like layer is formed via the bridges of Cu(I) ions and L ligands with <i>tris</i>-monodentate coordination mode. Two 2D layers are mutually interpenetrated via the <i>π</i>–<i>π</i> stacking interaction between benzene ring of L ligand and pyridyl ring of neighboring L ligand to form a two-fold interpenetrated 2D net and then arranged orderly to construct its 3D supramolecular network. Thermal stability and in-situ temperature-dependent structural variations of <b>1</b> are performed by TG analysis associated with temperature-dependent PXRD measurement. The water vapor ad-/de-sorption isotherm and CO<sub>2</sub> adsorption isotherm of <b>1</b> are measured and discussed.</p>","PeriodicalId":17262,"journal":{"name":"Journal of The Chinese Chemical Society","volume":"71 12","pages":"1464-1472"},"PeriodicalIF":1.6,"publicationDate":"2024-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142862283","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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