Tian Zhang , Kuixian Wei , Shicong Yang , Wenhui Ma
{"title":"Composition and structural identification of silicon particles in diamond wire saw silicon powder","authors":"Tian Zhang , Kuixian Wei , Shicong Yang , Wenhui Ma","doi":"10.1080/10426507.2023.2242996","DOIUrl":"10.1080/10426507.2023.2242996","url":null,"abstract":"<div><p>In this study, the content and calculation equations of each substance in diamond wire saw silicon powder (DWSSP) were determined. Initially, the presence of amorphous SiO<sub>2</sub> was proven by crystal transformation. Then, the SiO<sub>2</sub> content was determined by SiO<sub>2</sub>-CaO phase diagram analysis, and the SiO<sub>x</sub> content was determined by using the oxygen conservation rule. The variation trend between the SiO<sub>2</sub>, SiO<sub>x</sub>, and Si contents and the O content was determined, according to the calculated SiO<sub>2</sub> and SiO<sub>x</sub> content. In addition, linear fitting was performed on the SiO<sub>2</sub>, SiO<sub>x</sub>, and Si contents of five DWSSP raw materials, and a calculation equation for SiO<sub>2</sub>, SiO<sub>x</sub>, and Si was obtained through the total O content. The three-layer structure of DWSSP was revealed, the DWSSP consisting of a Si core, an intermediate SiO<sub>x</sub> layer, and a SiO<sub>2</sub> shell. This study can accurately identify the content of SiO<sub>2</sub>, SiO<sub>x</sub>, and Si in DWSSP based on the detected oxygen content, and provide a better theoretical basis for the process selection and design for silicon recovery or high value materials preparation.</p></div>","PeriodicalId":20056,"journal":{"name":"Phosphorus, Sulfur, and Silicon and the Related Elements","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135741942","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}
Jacek Ścianowski , Agata J. Pacuła-Miszewska , Anna Laskowska , Magdalena Obieziurska-Fabisiak
{"title":"Synthesis and applications of new chiral terpenyl organoselenium compounds","authors":"Jacek Ścianowski , Agata J. Pacuła-Miszewska , Anna Laskowska , Magdalena Obieziurska-Fabisiak","doi":"10.1080/10426507.2023.2243362","DOIUrl":"10.1080/10426507.2023.2243362","url":null,"abstract":"<div><p>Terpenes create a substantial group of natural compounds differentiated due to the structure of the carbon skeleton, the presence of various functional groups and the number of stereogenic centers. Combining the terpenyl scaffold with the reactivity of the selenium atom enables to obtain chiral and highly reactive compounds. Organoselenium derivatives have been well-studied as efficient reagents and catalysts in modern organic syntheses. The Se-moiety can be easily introduced, manipulated and eliminated from the target molecule, thus providing an efficient route to new compounds. Herein, we will summarize our achievements in designing chiral organoselenium molecules derived from monoterpenes and their applications as reagents and catalysts.</p></div>","PeriodicalId":20056,"journal":{"name":"Phosphorus, Sulfur, and Silicon and the Related Elements","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84449120","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}
Xianyang Xu , Jian-Qiu Zhang , Xin Wang , Teng Wang , Yan Liu , Li-Biao Han
{"title":"One-pot synthesis of (2,4,6-Trimethylbenzoyl)diphenylphosphine oxide from triphenylphosphine oxide","authors":"Xianyang Xu , Jian-Qiu Zhang , Xin Wang , Teng Wang , Yan Liu , Li-Biao Han","doi":"10.1080/10426507.2023.2263132","DOIUrl":"10.1080/10426507.2023.2263132","url":null,"abstract":"<div><p><em>A simple one-pot preparation of (2,4,6-Trimethylbenzoyl)diphenylphosphine oxide</em> (TPO) by employing the low-cost triphenylphosphine oxide (Ph<sub>3</sub>PO) as the starting material was described. Reaction with trimethylsilyl chloride (TMSCl) that transforms the intermediate sodium diphenylphosphonite (Ph<sub>2</sub>PONa) into (trimethylsilyl)oxy)diphenylphosphine (Ph<sub>2</sub>POTMS) is the key for the high yield of TPO. The reactions of Ph<sub>2</sub>PONa with other silyl chlorides are discussed.</p></div>","PeriodicalId":20056,"journal":{"name":"Phosphorus, Sulfur, and Silicon and the Related Elements","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135169372","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 and Wittig olefination of (2-methyl-3-oxoisoindolin-1-yl)triphenylphosphonium tetrafluoroborate: facile access to 3-alkylidene-2-methylisoindolin-1-ones","authors":"Wenhua Huang , Yan-Hong Wang","doi":"10.1080/10426507.2023.2263131","DOIUrl":"10.1080/10426507.2023.2263131","url":null,"abstract":"<div><p>(2-Methyl-3-oxoisoindolin-1-yl)triphenylphosphonium tetrafluoroborate has been successfully synthesized from Ph<sub>3</sub>PHBF<sub>4</sub> and 3-hydroxy-2-methylisoindolin-1-one. It undergoes smoothly Wittig olefination with a variety of aldehydes when using DBU or <em>t</em>-BuOK as a base to furnish 3-(alkylidene)-2-methyisoindolin-1-ones in 35–93% yields with the stereoselectivity being mostly favorable to (<em>E</em>)-isomer.</p></div>","PeriodicalId":20056,"journal":{"name":"Phosphorus, Sulfur, and Silicon and the Related Elements","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135816775","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}
Huixiang Nie , Linghui He , Anlin Zhao , Haijin Huang , Tao Wang , Jin Luo
{"title":"Design, synthesis, and biological activity of new 8-decylthio-10-methylthio-pyrimido[5,4-e][1,2,4]triazolo[1,5-c]pyrimidine derivatives","authors":"Huixiang Nie , Linghui He , Anlin Zhao , Haijin Huang , Tao Wang , Jin Luo","doi":"10.1080/10426507.2023.2245528","DOIUrl":"10.1080/10426507.2023.2245528","url":null,"abstract":"<div><p>A series of new 8-decylthio-10-methylthio-pyrimido[5,4-<em>e</em>][1,2,4]triazolo[1,5-<em>c</em>]pyrimidine derivatives was prepared and characterized by FTIR, <sup>1</sup>H NMR, <sup>13</sup>C NMR, and HRMS. The bioassay results revealed that the title compounds had moderate to excellent insecticidal activities against <em>Aphis fabae</em> at a concentration of 500 mg/L. Among them, 8-(decylthio)-2-((4-chlorophenoxy)methyl)-5-propyl-10-(methylthio)-5,6-dihydropyrimido[5,4-e][1,2,4]triazolo[1,5-c]pyrimidine (<strong>4l</strong>) exhibited the highest insecticidal activity, with 95% mortality. Moreover, 8-(decylthio)-2-((2,4-dichlorophenoxy)methyl)-5-propyl-10-(methylthio)-5,6-dihydropyrimido[5,4-e][1,2,4]triazolo[1,5-c]pyrimidine (<strong>4i</strong>) showed broad-spectrum postemergence herbicidal activities against <em>Abutilon theophrasti</em>, <em>Amaranthus spinosus</em>, <em>Chenopodium album</em>, <em>Digitaria sanguinalis</em>, <em>Echinochloa crusgalli</em>, and <em>Setaria viridis</em>, which were equivalent to the positive control flumetsulam. However, all new synthesized compounds displayed weak fungicidal activity against four kinds of phytopathogenic fungi including <em>Botrytis cinerea, phytophythora capsici, Elsinoe fewcetti,</em> and <em>Diaporthe medusaea</em>. Compound <strong>4l</strong> with remarkable insecticidal activity, and compound <strong>4i</strong> with excellent herbicidal activity could be promising lead compounds for further investigation.</p></div>","PeriodicalId":20056,"journal":{"name":"Phosphorus, Sulfur, and Silicon and the Related Elements","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135114873","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}
O. V. Golovchenko , M. Yu. Brusnakov , Yu. O. Shabelko , V. S. Brovarets , R. M. Vydzhak , O. S. Bahrieieva , L. M. Potikha , S. V. Shishkina
{"title":"Synthesis and properties of methanesulfonyl derivatives of diethyl esters of 5-(hydroxyalkylamino)-1,3-oxazol-4-yl-phosphonic acids","authors":"O. V. Golovchenko , M. Yu. Brusnakov , Yu. O. Shabelko , V. S. Brovarets , R. M. Vydzhak , O. S. Bahrieieva , L. M. Potikha , S. V. Shishkina","doi":"10.1080/10426507.2023.2251639","DOIUrl":"10.1080/10426507.2023.2251639","url":null,"abstract":"<div><p>A number of {[4-(diethoxyphosphoryl)-2-R-1,3-oxazol-5-yl]amino}alkyl methanesulfonates were synthesized and the peculiarities of their reaction with triethylamine were studied. The influence of the structure of the 5-alkanolamine substituent on the efficiency of their transformation into 7-R-1-ethoxy-5-methyl-1,3,4,5-tetrahydro-1λ<sup>5</sup>-[1,3]oxazolo[4,5-<em>c</em>][1,5,2]oxazaphosphepine-1-ones was clarified. The structure of the [1,3]oxazolo[4,5-<em>c</em>][1,5,2]oxazaphosphepine derivatives has been reliably proven by elemental analysis, IR, <sup>1</sup>H, <sup>13</sup>C, and <sup>31</sup>P NMR spectroscopy (including 1D and 2D experiments), mass spectrometry and single crystal X-ray diffraction. The oxazole cycle in [1,3]oxazolo[4,5-<em>c</em>][1,5,2]oxazaphosphepines is easily cleaved by water in an acidic environment, which leads to the formation of derivatives of the new heterocyclic system – N-(2-ethoxy-5-methyl-2-oxido-4-oxo-1,5,2-oxazaphosphepan-3-yl)arylamides.</p></div>","PeriodicalId":20056,"journal":{"name":"Phosphorus, Sulfur, and Silicon and the Related Elements","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81272594","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}
Zhaoyang Xu , Zihan Zhang , Rui Wang , Fei Li , Heng Jiang
{"title":"Potassium salts catalyzed oxidative coupling of alkanethiols with sulfur: the effect of solid-liquid phase transfer of crown ether","authors":"Zhaoyang Xu , Zihan Zhang , Rui Wang , Fei Li , Heng Jiang","doi":"10.1080/10426507.2023.2263134","DOIUrl":"10.1080/10426507.2023.2263134","url":null,"abstract":"<div><p>Potassium salts (KA, A = anion) that catalyzed the oxidative coupling of alkanethiols (RSH) to dialkyl disulfide (R<sub>2</sub>S<sub>2</sub>) were investigated by using sulfur as oxidant and 18-crown-6 ether as phase transfer agent under solvent-free conditions at atmospheric pressure. Crown ether (15-crown-5 ether, 18-crown-6 ether, dibenzo-18-crown-6 ether) showed excellent solid-liquid phase transfer effect in solid KA catalyzed reaction. RS<sup>−</sup> is the key active species of the KA catalyzed reaction. The catalytic activity of KA is affected by the p<em>K</em>a of conjugated acid (HA) of anion A<sup>−</sup> in KA. The larger the p<em>K</em>a of the corresponding HA, the more active for KA to activate RSH to generate RS<sup>−</sup>. Among the KA investigated, the yield of (<em>n</em>-C<sub>8</sub>H<sub>17</sub>)<sub>2</sub>S<sub>2</sub> for the K<sub>2</sub>CO<sub>3</sub>, K<sub>3</sub>PO<sub>4</sub>·3H<sub>2</sub>O and K<sub>2</sub>SnO<sub>3</sub>·3H<sub>2</sub>O catalyzed reaction reached more than 98.0%. The yield of R<sub>2</sub>S<sub>2</sub> can reach more than 95.0% by 0.1 mol% 18-C-6 (based on sulfur) and 0.1 mol% K<sub>2</sub>CO<sub>3</sub> (based on sulfur) catalyzed the oxidative coupling of different alkanethiols.</p></div>","PeriodicalId":20056,"journal":{"name":"Phosphorus, Sulfur, and Silicon and the Related Elements","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135644679","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}
Si Ke , Duanyi Zhang , Yu Li , Ziwei Gong , Pengcheng Tang , Wanxia Tang
{"title":"One-pot synthesis and fluorescent property of novel syringaldehyde α-aminophosphonate derivatives","authors":"Si Ke , Duanyi Zhang , Yu Li , Ziwei Gong , Pengcheng Tang , Wanxia Tang","doi":"10.1080/10426507.2023.2187798","DOIUrl":"https://doi.org/10.1080/10426507.2023.2187798","url":null,"abstract":"<div><p>Seven novel syringaldehyde α-aminophosphonate derivatives (<strong>1</strong>–<strong>7</strong>) were synthesized based on syringaldehyde together with different aryl amines and diethyl phosphite in a one-pot, solvent free, and catalyst free reaction. All of the obtained compounds were characterized by analysis of their <sup>1</sup>H NMR and <sup>13</sup>C NMR, IR spectra, and FT mass spectra. The UV and fluorescence emission spectra of <strong>1</strong>–<strong>7</strong> were investigated in the concentration range of 0.1–250 μM. As the results, the maximum emission wavelength of <strong>1</strong>–<strong>7</strong> was observed between 600 and 700<!--> <!-->nm under the exciting wavelength of 250<!--> <!-->nm for <strong>1</strong>–<strong>5</strong> and 300<!--> <!-->nm for <strong>6</strong> and <strong>7</strong>. The emission intensity is the strongest at a concentration of 60<!--> <!-->μm for <strong>2</strong>, <strong>3</strong>, and <strong>5</strong>–<strong>7</strong>, 30<!--> <!-->μm for <strong>1</strong>, and 0.1<!--> <!-->μm for <strong>4</strong>.</p></div>","PeriodicalId":20056,"journal":{"name":"Phosphorus, Sulfur, and Silicon and the Related Elements","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49700422","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}
M.V.S. Raju , K. Anjaneyula Naik , K. Chaitanya Kumar , S. Srinivasa Rao
{"title":"Efficacy of an organic–inorganic hybrid phosphorus compound in corrosion mitigation of reinforcement steel in concrete. I. Gravimetric and electrochemical analysis","authors":"M.V.S. Raju , K. Anjaneyula Naik , K. Chaitanya Kumar , S. Srinivasa Rao","doi":"10.1080/10426507.2023.2191959","DOIUrl":"https://doi.org/10.1080/10426507.2023.2191959","url":null,"abstract":"<div><p>Bis(hexamethylene)triamine-pentakis(methylphosphonic acid) (BTPMP) was investigated for its inhibiting action on corrosion of Fe500D reinforcement steel. Results of gravimetric studies inferred that 10<!--> <!-->mM of BTPMP is effective in corrosion control of the steel in saturated calcium hydroxide solution tainted by chloride ions. According to the electrochemical studies, the interface of the metal/solution exhibits higher charger transfer resistance and lower constant phase element values in the presence of BTPMP. The open circuit potential (OCP) measurements indicate that the presence of BTPMP shifts OCP values of steel in concrete in positive direction. The nature of the film is protective as observed from prolonged time taken for failure of BTPMP-protected rebar compared with unprotected rebar during accelerated corrosion tests. Furthermore, it is observed that the bond strength between concrete and steel is unaffected by the inhibitor film.</p></div>","PeriodicalId":20056,"journal":{"name":"Phosphorus, Sulfur, and Silicon and the Related Elements","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49706259","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":"A review on the synthesis and biological relevance of benzo[b]thiophene derivatives","authors":"T.M. Dhanya , G. Anjali Krishna , D.P. Savitha , A.A. Shanty , K.M. Divya , Shenoi K. Priya , P.V. Mohanan","doi":"10.1080/10426507.2022.2145476","DOIUrl":"https://doi.org/10.1080/10426507.2022.2145476","url":null,"abstract":"<div><p>Heterocyclic compounds occupy a central position in synthetic organic chemistry due to their broad range of applications. The electron-rich sulfur atom of benzo[<em>b</em>]thiophenes with its planar structure enhances the binding affinity with various enzymes and receptors. Since it is a polar compound, it improves the pharmacokinetic features of the pilot molecules and it can thus be consequently used as an attractive probe due to low toxicity, high solubility, and bioavailability. This scaffold exhibits numerous biological activities such as anti-microbial, anti-cancer, anti-leishmanial, anti-oxidant, anti-malarial, anti-diabetic, anthelmintic, etc. The common methods used for their synthesis mainly include Lewis acid-catalyzed, halogen-catalyzed, transition metal-catalyzed, base-catalyzed, electrophilic, and acid-catalyzed cyclization reactions. This review examines diverse synthetic methods and biological applications of the reported benzo[<em>b</em>]thiophene derivatives.</p></div>","PeriodicalId":20056,"journal":{"name":"Phosphorus, Sulfur, and Silicon and the Related Elements","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49700527","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}