Phosphorus, Sulfur, and Silicon and the Related Elements最新文献

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Composition and structural identification of silicon particles in diamond wire saw silicon powder 金刚石绳锯硅粉中硅颗粒的组成和结构鉴定
IF 1.3 4区 化学
Phosphorus, Sulfur, and Silicon and the Related Elements Pub Date : 2024-01-02 DOI: 10.1080/10426507.2023.2242996
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 ,&nbsp;Kuixian Wei ,&nbsp;Shicong Yang ,&nbsp;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":"199 1","pages":"Pages 27-36"},"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}
引用次数: 0
Synthesis and applications of new chiral terpenyl organoselenium compounds 新手性萜基有机硒化合物的合成与应用
IF 1.3 4区 化学
Phosphorus, Sulfur, and Silicon and the Related Elements Pub Date : 2024-01-02 DOI: 10.1080/10426507.2023.2243362
Jacek Ścianowski , Agata J. Pacuła-Miszewska , Anna Laskowska , Magdalena Obieziurska-Fabisiak
{"title":"Synthesis and applications of new chiral terpenyl organoselenium compounds","authors":"Jacek Ścianowski ,&nbsp;Agata J. Pacuła-Miszewska ,&nbsp;Anna Laskowska ,&nbsp;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":"199 1","pages":"Pages 2-9"},"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}
引用次数: 0
One-pot synthesis of (2,4,6-Trimethylbenzoyl)diphenylphosphine oxide from triphenylphosphine oxide 由三苯基氧化膦一步合成 (2,4,6-三甲基苯甲酰基) 二苯基氧化膦
IF 1.3 4区 化学
Phosphorus, Sulfur, and Silicon and the Related Elements Pub Date : 2024-01-02 DOI: 10.1080/10426507.2023.2263132
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 ,&nbsp;Jian-Qiu Zhang ,&nbsp;Xin Wang ,&nbsp;Teng Wang ,&nbsp;Yan Liu ,&nbsp;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":"199 1","pages":"Pages 23-26"},"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}
引用次数: 0
Design, synthesis, and biological activity of new 8-decylthio-10-methylthio-pyrimido[5,4-e][1,2,4]triazolo[1,5-c]pyrimidine derivatives 新的 8-癸硫基-10-甲硫基嘧啶并[5,4-e][1,2,4]三唑并[1,5-c]嘧啶衍生物的设计、合成和生物活性
IF 1.3 4区 化学
Phosphorus, Sulfur, and Silicon and the Related Elements Pub Date : 2024-01-02 DOI: 10.1080/10426507.2023.2245528
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 ,&nbsp;Linghui He ,&nbsp;Anlin Zhao ,&nbsp;Haijin Huang ,&nbsp;Tao Wang ,&nbsp;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":"199 1","pages":"Pages 37-44"},"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}
引用次数: 0
Synthesis and Wittig olefination of (2-methyl-3-oxoisoindolin-1-yl)triphenylphosphonium tetrafluoroborate: facile access to 3-alkylidene-2-methylisoindolin-1-ones (2-甲基-3-氧代异吲哚啉-1-基)三苯基膦四氟硼酸盐的合成和 Wittig 烯化反应:3-亚烷基-2-甲基异吲哚啉-1-酮的简便获取途径
IF 1.3 4区 化学
Phosphorus, Sulfur, and Silicon and the Related Elements Pub Date : 2024-01-02 DOI: 10.1080/10426507.2023.2263131
Wenhua Huang , Yan-Hong Wang
{"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 ,&nbsp;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":"199 1","pages":"Pages 82-89"},"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}
引用次数: 0
Synthesis and properties of methanesulfonyl derivatives of diethyl esters of 5-(hydroxyalkylamino)-1,3-oxazol-4-yl-phosphonic acids 5-(羟基烷基氨基)-1,3-恶唑-4-基膦酸二乙酯甲磺酰衍生物的合成及其性质
IF 1.3 4区 化学
Phosphorus, Sulfur, and Silicon and the Related Elements Pub Date : 2024-01-02 DOI: 10.1080/10426507.2023.2251639
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 ,&nbsp;M. Yu. Brusnakov ,&nbsp;Yu. O. Shabelko ,&nbsp;V. S. Brovarets ,&nbsp;R. M. Vydzhak ,&nbsp; O. S. Bahrieieva ,&nbsp;L. M. Potikha ,&nbsp;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":"199 1","pages":"Pages 71-81"},"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}
引用次数: 0
Potassium salts catalyzed oxidative coupling of alkanethiols with sulfur: the effect of solid-liquid phase transfer of crown ether 钾盐催化烷硫醇与硫的氧化偶联:冠醚固液相转移的影响
IF 1.3 4区 化学
Phosphorus, Sulfur, and Silicon and the Related Elements Pub Date : 2024-01-02 DOI: 10.1080/10426507.2023.2263134
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 ,&nbsp;Zihan Zhang ,&nbsp;Rui Wang ,&nbsp;Fei Li ,&nbsp;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":"199 1","pages":"Pages 90-102"},"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}
引用次数: 0
One-pot synthesis and fluorescent property of novel syringaldehyde α-aminophosphonate derivatives 新型丁香醛α-氨基膦酸衍生物的一锅合成及其荧光性质
IF 1.3 4区 化学
Phosphorus, Sulfur, and Silicon and the Related Elements Pub Date : 2023-01-01 DOI: 10.1080/10426507.2023.2187798
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 ,&nbsp;Duanyi Zhang ,&nbsp;Yu Li ,&nbsp;Ziwei Gong ,&nbsp;Pengcheng Tang ,&nbsp;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":"198 7","pages":"Pages 607-614"},"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}
引用次数: 0
A review on the synthesis and biological relevance of benzo[b]thiophene derivatives 苯并[b]噻吩衍生物的合成及其生物学意义综述
IF 1.3 4区 化学
Phosphorus, Sulfur, and Silicon and the Related Elements Pub Date : 2023-01-01 DOI: 10.1080/10426507.2022.2145476
T.M. Dhanya , G. Anjali Krishna , D.P. Savitha , A.A. Shanty , K.M. Divya , Shenoi K. Priya , P.V. Mohanan
{"title":"A review on the synthesis and biological relevance of benzo[b]thiophene derivatives","authors":"T.M. Dhanya ,&nbsp;G. Anjali Krishna ,&nbsp;D.P. Savitha ,&nbsp;A.A. Shanty ,&nbsp;K.M. Divya ,&nbsp;Shenoi K. Priya ,&nbsp;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":"198 4","pages":"Pages 283-299"},"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}
引用次数: 2
Efficacy of an organic–inorganic hybrid phosphorus compound in corrosion mitigation of reinforcement steel in concrete. I. Gravimetric and electrochemical analysis 有机-无机杂化磷化合物对混凝土中钢筋的缓蚀效果。1、重量和电化学分析
IF 1.3 4区 化学
Phosphorus, Sulfur, and Silicon and the Related Elements Pub Date : 2023-01-01 DOI: 10.1080/10426507.2023.2191959
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 ,&nbsp;K. Anjaneyula Naik ,&nbsp;K. Chaitanya Kumar ,&nbsp;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":"198 8","pages":"Pages 645-654"},"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}
引用次数: 0
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