{"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, You-Jie Chen, Gangababu Marri, Yi-Ru Chen, Ching-Fen Chang, Pei-Shan Wu, 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}
Batoul Makiabadi, Fereshteh Naderi, Mohammad Zakarianezhad
{"title":"Theoretical investigation of Diels–Alder reaction mechanism and regioselectivity with functionalized fullerene derivatives","authors":"Batoul Makiabadi, Fereshteh Naderi, 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}
{"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, Yu-Ching Wu, Yu-Chen Chung, En-Che Yang, Gene-Hsiang Lee, Su-Ying Chien, Po-Ya Chang, 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}
{"title":"Synthesis of low-cost microporous activated carbon adsorbents for CO2 capture from Palmyra palm fruit shell waste biomass","authors":"Shobanaboyina Swapna, Manne Parusha Ramudu, Police Vishnu Vardhan Reddy, Gande Ravi Kumar, Gaddameedi Hima Bindu, Challa Prathap, Dosali Mallesh","doi":"10.1002/jccs.202400261","DOIUrl":"https://doi.org/10.1002/jccs.202400261","url":null,"abstract":"<p>Using chemical activation techniques at dissimilar carbonization temperatures, activated carbon adsorbents were produced from Palmyra palm fruit biomass in this work. X-ray diffraction, Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, laser Raman spectroscopy, scanning electron microscopy, CHNS-elemental analysis, and N<sub>2</sub> adsorption studies were among the characterization techniques used to assess the characteristics of the carbon adsorbents. The carbon adsorbents from Palmyra palm fruit were used to absorb CO<sub>2</sub> in a temperature range of 25–70°C. The findings of the characterization showed that these carbons have a large surface area and microporosity. The temperature of carbonization and the activating agent had an impact on the surface characteristics. The samples with the highest adsorption capacity, 4.70 mmol/g at 25°C, were the activated carbons made by treating them with KOH and then carbonizing them at 750°C. The physicochemical properties of the adsorbents provided an explanation for their high adsorption capacity. The adsorbents showed simple desorption and maintained constant activity during ten cycles of recycling.</p>","PeriodicalId":17262,"journal":{"name":"Journal of The Chinese Chemical Society","volume":"71 12","pages":"1435-1447"},"PeriodicalIF":1.6,"publicationDate":"2024-10-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142862303","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}
{"title":"Basic understanding of Cu-SSZ-13 in catalyzing low-temperature selective catalytic reduction of NOx by ammonia","authors":"Yujie Wang, Tao Zhu, Yunzhe Zhao, Xiaobin Hao","doi":"10.1002/jccs.202400205","DOIUrl":"https://doi.org/10.1002/jccs.202400205","url":null,"abstract":"<p>The development of Cu-SSZ-13 represents a significant breakthrough in the field of NO<sub>x</sub> removal from mobile exhaust, demonstrating excellent selective catalytic reduction (SCR) activity across a broad temperature range (200–500°C). However, the limited reactivity of Cu-SSZ-13 at temperatures below 200°C poses a challenge for the removal of NO<sub>x</sub> emitted during vehicle cold starts. To stimulate new efforts to enhance low-temperature SCR performance, this review provides a fundamental understanding of the nature of Cu-SSZ-13 in catalyzing the SCR reaction. The structures, coordination environments, and oxidation states of Cu<sup>2+</sup> during the SCR reaction, as well as the redox cycle pathway of Cu<sup>2+</sup> ions and the characteristics of the rate-determining step, were discussed. Based on these insights, several strategies for improving the low-temperature activity of Cu-SSZ-13 are proposed. Finally, the review offers a perspective on the future of low-temperature SCR of NO<sub>x</sub> over Cu-SSZ-13.</p>","PeriodicalId":17262,"journal":{"name":"Journal of The Chinese Chemical Society","volume":"71 12","pages":"1448-1463"},"PeriodicalIF":1.6,"publicationDate":"2024-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142861307","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}
{"title":"Cover: Journal of the Chinese Chemical Society 10/2024","authors":"","doi":"10.1002/jccs.1857","DOIUrl":"https://doi.org/10.1002/jccs.1857","url":null,"abstract":"<p><b>Focus of the figure</b>: Spray pyrolysis being as a low-cost synthesis technique to prepare CuMnO<sub>2</sub> thin films that deliver the enhanced performance of the photoelectrocatalytic water splitting reaction. More details about this figure will be discussed by Dr. Ming-Hsi Chiang and his co-workers on pages 1203-1210 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 10","pages":"1129"},"PeriodicalIF":1.6,"publicationDate":"2024-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jccs.1857","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142443385","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}
{"title":"Contents and Masthead: Journal of the Chinese Chemical Society 10/2024","authors":"","doi":"10.1002/jccs.1858","DOIUrl":"https://doi.org/10.1002/jccs.1858","url":null,"abstract":"","PeriodicalId":17262,"journal":{"name":"Journal of The Chinese Chemical Society","volume":"71 10","pages":""},"PeriodicalIF":1.6,"publicationDate":"2024-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jccs.1858","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142443386","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}
{"title":"Preview: Journal of the Chinese Chemical Society 10/2024","authors":"","doi":"10.1002/jccs.202410001","DOIUrl":"https://doi.org/10.1002/jccs.202410001","url":null,"abstract":"","PeriodicalId":17262,"journal":{"name":"Journal of The Chinese Chemical Society","volume":"71 10","pages":"1330"},"PeriodicalIF":1.6,"publicationDate":"2024-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jccs.202410001","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142443376","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}
Sundus Azhar, Khuram Shahzad Ahmad, Isaac Abrahams, Tenzin Ingsel, Ram K. Gupta, Munirah D. Albaqami, Saikh Mohammad, Mahwash Mahar Gul
{"title":"Bioinspired synthesis of ZrO2-Zr3Er4O12-based mixed nanomaterial; characterization and analyzing its potential as an electrode material in energy-based devices and its electrocatalytic property","authors":"Sundus Azhar, Khuram Shahzad Ahmad, Isaac Abrahams, Tenzin Ingsel, Ram K. Gupta, Munirah D. Albaqami, Saikh Mohammad, Mahwash Mahar Gul","doi":"10.1002/jccs.202400187","DOIUrl":"https://doi.org/10.1002/jccs.202400187","url":null,"abstract":"<p>The sustainable and ecofriendly synthesis of transition metal oxide-based nanomaterials has always been a matter of concern. In this study, a bioinspired synthesis route was adopted to synthesize ZrO<sub>2</sub>-Zr<sub>3</sub>Er<sub>4</sub>O<sub>12</sub>-based mixed nanomaterial using leaf extract of medicinal plant <i>Amaranthus viridis</i> as reducing and stabilizing agent in replacement of the obnoxious chemicals which are a great threat to the sustainable environment. The synthesized material revealed the spherical shaped morphology through scanning electron microscopy, whereas crystal size of 15.7 nm was observed through Xray-diffraction, and band gap value of 2.7 eV was acquired using Tauc plot. Newly synthesized ZrO<sub>2</sub>-Zr<sub>3</sub>Er<sub>4</sub>O<sub>12</sub> nanocomposite was then investigated for its role as electrocatalyst in a generation of energy through the hydrogen evolution reaction and oxygen evolution reaction. The ZrO<sub>2</sub>-Zr<sub>3</sub>Er<sub>4</sub>O<sub>12</sub>-based electrocatalyst showed better potential for hydrogen evolution reaction measurements with the overpotential value of 242 mV. Furthermore, the notable capacitance value of 495.6 F/g was obtained through cyclic voltammetry for energy storage studies. The cyclic stability was also analyzed using linear sweep voltammetry and results showed promising stability for 2000 cycles. Consequently, the green and economical synthesis route as well as promising electrochemical behavior of ZrO<sub>2</sub>-Zr<sub>3</sub>Er<sub>4</sub>O<sub>12</sub>-based electrode make it feasible choice for large scale application.</p>","PeriodicalId":17262,"journal":{"name":"Journal of The Chinese Chemical Society","volume":"71 12","pages":"1427-1434"},"PeriodicalIF":1.6,"publicationDate":"2024-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142860427","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}
Janice Ravi Kumar, Dayanandan Anandan, Viswanathan Kaliyaperumal
{"title":"Study on the effects of beta cyclodextrin-zinc oxide nanoparticles as heterogeneous catalysts in microbial oil fermentation","authors":"Janice Ravi Kumar, Dayanandan Anandan, Viswanathan Kaliyaperumal","doi":"10.1002/jccs.202400244","DOIUrl":"https://doi.org/10.1002/jccs.202400244","url":null,"abstract":"<p>In order to study the catalytic activity of beta cyclodextrin-encapsulated zinc oxide (ZnO) nanoparticles in microbial oil synthesis, rice-washed waste water (RWW) was used as the fermentation medium and <i>streptomyces fradiae</i> as the microbe. The introduction of zinc oxide nanoparticles during fermentation had an impact on output and growth. The biomass percentage was 1.5 times greater and the fatty acid profile was better than in the control samples. The analysis of the induction period (IP) revealed that samples containing zinc oxide nanoparticles had maximum oxidation stability for up to 120 days of storage, along with a considerable reduction in autoxidation. The cetane number and calorific value, however, increased with the addition of ZnO nanoparticles. A new study discovered that the use of ZnO nanoparticles encapsulated in β-CD led to much increased production (63.5 g/L) of microbial oil than the control sample (42.5 g/L). Therefore, it is anticipated that these nanoparticles would find utility in energy-related applications.</p>","PeriodicalId":17262,"journal":{"name":"Journal of The Chinese Chemical Society","volume":"71 11","pages":"1377-1384"},"PeriodicalIF":1.6,"publicationDate":"2024-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142642487","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}