{"id":8829,"date":"2022-01-20T03:45:04","date_gmt":"2022-01-19T19:45:04","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=8829"},"modified":"2022-01-20T03:45:04","modified_gmt":"2022-01-19T19:45:04","slug":"get-up-to-speed-quickly-on-emerging-topicsc5h8n2-9","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=8829","title":{"rendered":"Get Up to Speed Quickly on Emerging Topics:C5H8N2"},"content":{"rendered":"<p><a href=\"https:\/\/www.ambeed.com\/products\/67-51-6.html\">HPLC of Formula: C5H8N2<\/a>. Silva, VLM; Silva, AMS; Claramunt, RM; Lopez, C; Sanz, D; Infantes, L; Lopez, AM; Reviriego, F; Alkorta, I; Elguero, J in [Silva, Vera L. M.; Silva, Artur M. S.] Univ Aveiro, Chem Dept, P-3810193 Aveiro, Portugal; [Silva, Vera L. M.; Silva, Artur M. S.] Univ Aveiro, QOPNA, P-3810193 Aveiro, Portugal; [Claramunt, Rosa M.; Lopez, Concepcion; Sanz, Dionisia] UNED, Fac Ciencias, Dept Quim Organ &#038; Bioorgan, Paseo Senda Rey 9, E-28040 Madrid, Spain; [Infantes, Lourdes; Martinez Lopez, Angela] CSIC, Dept Cristalog &#038; Biol Estruct, Inst Quim Fis Rocasolano, Serrano 119, E-28006 Madrid, Spain; [Reviriego, Felipe; Alkorta, Ibon; Elguero, Jose] CSIC, Inst Quim Med, Juan Cierva 3, E-28006 Madrid, Spain; [Reviriego, Felipe] Inst Ciencia Tecnol Polimeros, Juan Cierva 3, E-28006 Madrid, Spain published A structural study of new tetrakis(1H-pyrazol-1-yl)methanes in 2019.0, Cited 33.0. The Name is 3,5-Dimethyl-1H-pyrazole. Through research, I have a further understanding and discovery of 67-51-6.<\/p>\n<p>Tetrakis(1H-pyrazol-l-yl)methanes are very rare compounds of which only two are known: the unsubstituted 1 obtained classically by Wicket in 1937 from carbon tetrachloride and prepared again several times and the 3,5-dimethyl substituted 2 obtained serendipitously by Pombeiro in 2009. We have now extended this group to include four new derivatives 8, 9,11 and 12 bearing methyl groups. The X-ray crystal structure of the four compounds has been determined. They have been studied by NMR both in solution (H-1, C-13, N-15) and in the solid state (C-13 and N-15). DFT calculations of the six compounds (geometries, energies and absolute shieldings) have been used to discuss the experimental observations. (C) 2019 Elsevier Ltd. All rights reserved.<\/p>\n<p><a href=\"https:\/\/www.ambeed.com\/products\/67-51-6.html\">HPLC of Formula: C5H8N2<\/a>. About 3,5-Dimethyl-1H-pyrazole, If you have any questions, you can contact Silva, VLM; Silva, AMS; Claramunt, RM; Lopez, C; Sanz, D; Infantes, L; Lopez, AM; Reviriego, F; Alkorta, I; Elguero, J or concate me.<\/p>\n<p>Reference:<br \/><a href=\"https:\/\/en.wikipedia.org\/wiki\/Pyrazole\">Pyrazole &#8211; Wikipedia<\/a>,<br \/>,<a href=\"https:\/\/www.sciencedirect.com\/topics\/chemistry\/pyrazoles\">Pyrazoles &#8211; an overview | ScienceDirect Topics<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p><a href=\"https:\/\/www.ambeed.com\/products\/67-51-6.html\">HPLC of Formula: C5H8N2<\/a>. About 3,5-Dimethyl-1H-pyrazole, If you have any questions, you can contact Silva, VLM; Silva, AMS; Claramunt, RM; Lopez, C; Sanz, D; Infantes, L; Lopez, AM; Reviriego, F; Alkorta, I; Elguero, J or concate me.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[249,131],"tags":[145],"class_list":["post-8829","post","type-post","status-publish","format-standard","hentry","category-67-51-6","category-pyrazoles-derivatives","tag-m-w0-100"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Get Up to Speed Quickly on Emerging Topics:C5H8N2 | pyrazoles-derivatives<\/title>\n<meta name=\"description\" content=\"HPLC of Formula: C5H8N2. Silva, VLM; Silva, AMS; Claramunt, RM; Lopez, C; Sanz, D; Infantes, L; Lopez, AM; Reviriego, F; Alkorta, I; Elguero, J in [Silva, Vera L. M.; Silva, Artur M. S.] Univ Aveiro, Chem Dept, P-3810193 Aveiro, Portugal; [Silva, Vera L. M.; Silva, Artur M. S.] Univ Aveiro, QOPNA, P-3810193 Aveiro, Portugal; [Claramunt, Rosa M.; Lopez, Concepcion; Sanz, Dionisia] UNED, Fac Ciencias, Dept Quim Organ &amp; Bioorgan, Paseo Senda Rey 9, E-28040 Madrid, Spain; [Infantes, Lourdes; Martinez Lopez, Angela] CSIC, Dept Cristalog &amp; Biol Estruct, Inst Quim Fis Rocasolano, Serrano 119, E-28006 Madrid, Spain; [Reviriego, Felipe; Alkorta, Ibon; Elguero, Jose] CSIC, Inst Quim Med, Juan Cierva 3, E-28006 Madrid, Spain; [Reviriego, Felipe] Inst Ciencia Tecnol Polimeros, Juan Cierva 3, E-28006 Madrid, Spain published A structural study of new tetrakis(1H-pyrazol-1-yl)methanes in 2019.0, Cited 33.0. The Name is 3,5-Dimethyl-1H-pyrazole. Through research, I have a further understanding and discovery of 67-51-6.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/www.pyrazoles-derivatives.com\/?p=8829\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Get Up to Speed Quickly on Emerging Topics:C5H8N2 | pyrazoles-derivatives\" \/>\n<meta property=\"og:description\" content=\"HPLC of Formula: C5H8N2. Silva, VLM; Silva, AMS; Claramunt, RM; Lopez, C; Sanz, D; Infantes, L; Lopez, AM; Reviriego, F; Alkorta, I; Elguero, J in [Silva, Vera L. M.; Silva, Artur M. S.] Univ Aveiro, Chem Dept, P-3810193 Aveiro, Portugal; [Silva, Vera L. M.; Silva, Artur M. S.] Univ Aveiro, QOPNA, P-3810193 Aveiro, Portugal; [Claramunt, Rosa M.; Lopez, Concepcion; Sanz, Dionisia] UNED, Fac Ciencias, Dept Quim Organ &amp; Bioorgan, Paseo Senda Rey 9, E-28040 Madrid, Spain; [Infantes, Lourdes; Martinez Lopez, Angela] CSIC, Dept Cristalog &amp; Biol Estruct, Inst Quim Fis Rocasolano, Serrano 119, E-28006 Madrid, Spain; [Reviriego, Felipe; Alkorta, Ibon; Elguero, Jose] CSIC, Inst Quim Med, Juan Cierva 3, E-28006 Madrid, Spain; [Reviriego, Felipe] Inst Ciencia Tecnol Polimeros, Juan Cierva 3, E-28006 Madrid, Spain published A structural study of new tetrakis(1H-pyrazol-1-yl)methanes in 2019.0, Cited 33.0. The Name is 3,5-Dimethyl-1H-pyrazole. 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Silva, VLM; Silva, AMS; Claramunt, RM; Lopez, C; Sanz, D; Infantes, L; Lopez, AM; Reviriego, F; Alkorta, I; Elguero, J in [Silva, Vera L. M.; Silva, Artur M. S.] Univ Aveiro, Chem Dept, P-3810193 Aveiro, Portugal; [Silva, Vera L. M.; Silva, Artur M. S.] Univ Aveiro, QOPNA, P-3810193 Aveiro, Portugal; [Claramunt, Rosa M.; Lopez, Concepcion; Sanz, Dionisia] UNED, Fac Ciencias, Dept Quim Organ & Bioorgan, Paseo Senda Rey 9, E-28040 Madrid, Spain; [Infantes, Lourdes; Martinez Lopez, Angela] CSIC, Dept Cristalog & Biol Estruct, Inst Quim Fis Rocasolano, Serrano 119, E-28006 Madrid, Spain; [Reviriego, Felipe; Alkorta, Ibon; Elguero, Jose] CSIC, Inst Quim Med, Juan Cierva 3, E-28006 Madrid, Spain; [Reviriego, Felipe] Inst Ciencia Tecnol Polimeros, Juan Cierva 3, E-28006 Madrid, Spain published A structural study of new tetrakis(1H-pyrazol-1-yl)methanes in 2019.0, Cited 33.0. The Name is 3,5-Dimethyl-1H-pyrazole. 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Silva, VLM; Silva, AMS; Claramunt, RM; Lopez, C; Sanz, D; Infantes, L; Lopez, AM; Reviriego, F; Alkorta, I; Elguero, J in [Silva, Vera L. M.; Silva, Artur M. S.] Univ Aveiro, Chem Dept, P-3810193 Aveiro, Portugal; [Silva, Vera L. M.; Silva, Artur M. S.] Univ Aveiro, QOPNA, P-3810193 Aveiro, Portugal; [Claramunt, Rosa M.; Lopez, Concepcion; Sanz, Dionisia] UNED, Fac Ciencias, Dept Quim Organ & Bioorgan, Paseo Senda Rey 9, E-28040 Madrid, Spain; [Infantes, Lourdes; Martinez Lopez, Angela] CSIC, Dept Cristalog & Biol Estruct, Inst Quim Fis Rocasolano, Serrano 119, E-28006 Madrid, Spain; [Reviriego, Felipe; Alkorta, Ibon; Elguero, Jose] CSIC, Inst Quim Med, Juan Cierva 3, E-28006 Madrid, Spain; [Reviriego, Felipe] Inst Ciencia Tecnol Polimeros, Juan Cierva 3, E-28006 Madrid, Spain published A structural study of new tetrakis(1H-pyrazol-1-yl)methanes in 2019.0, Cited 33.0. The Name is 3,5-Dimethyl-1H-pyrazole. Through research, I have a further understanding and discovery of 67-51-6.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"http:\/\/www.pyrazoles-derivatives.com\/?p=8829","og_locale":"en_US","og_type":"article","og_title":"Get Up to Speed Quickly on Emerging Topics:C5H8N2 | pyrazoles-derivatives","og_description":"HPLC of Formula: C5H8N2. Silva, VLM; Silva, AMS; Claramunt, RM; Lopez, C; Sanz, D; Infantes, L; Lopez, AM; Reviriego, F; Alkorta, I; Elguero, J in [Silva, Vera L. M.; Silva, Artur M. S.] Univ Aveiro, Chem Dept, P-3810193 Aveiro, Portugal; [Silva, Vera L. M.; Silva, Artur M. S.] Univ Aveiro, QOPNA, P-3810193 Aveiro, Portugal; [Claramunt, Rosa M.; Lopez, Concepcion; Sanz, Dionisia] UNED, Fac Ciencias, Dept Quim Organ & Bioorgan, Paseo Senda Rey 9, E-28040 Madrid, Spain; [Infantes, Lourdes; Martinez Lopez, Angela] CSIC, Dept Cristalog & Biol Estruct, Inst Quim Fis Rocasolano, Serrano 119, E-28006 Madrid, Spain; [Reviriego, Felipe; Alkorta, Ibon; Elguero, Jose] CSIC, Inst Quim Med, Juan Cierva 3, E-28006 Madrid, Spain; [Reviriego, Felipe] Inst Ciencia Tecnol Polimeros, Juan Cierva 3, E-28006 Madrid, Spain published A structural study of new tetrakis(1H-pyrazol-1-yl)methanes in 2019.0, Cited 33.0. The Name is 3,5-Dimethyl-1H-pyrazole. Through research, I have a further understanding and discovery of 67-51-6.","og_url":"http:\/\/www.pyrazoles-derivatives.com\/?p=8829","og_site_name":"pyrazoles-derivatives","article_published_time":"2022-01-19T19:45:04+00:00","author":"Jessica.F","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Jessica.F","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"http:\/\/www.pyrazoles-derivatives.com\/?p=8829","url":"http:\/\/www.pyrazoles-derivatives.com\/?p=8829","name":"Get Up to Speed Quickly on Emerging Topics:C5H8N2 | pyrazoles-derivatives","isPartOf":{"@id":"https:\/\/www.pyrazoles-derivatives.com\/#website"},"datePublished":"2022-01-19T19:45:04+00:00","author":{"@id":"https:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/d9a9f27bed675392c6f363a01ffd49f1"},"description":"HPLC of Formula: C5H8N2. Silva, VLM; Silva, AMS; Claramunt, RM; Lopez, C; Sanz, D; Infantes, L; Lopez, AM; Reviriego, F; Alkorta, I; Elguero, J in [Silva, Vera L. M.; Silva, Artur M. S.] Univ Aveiro, Chem Dept, P-3810193 Aveiro, Portugal; [Silva, Vera L. M.; Silva, Artur M. S.] Univ Aveiro, QOPNA, P-3810193 Aveiro, Portugal; [Claramunt, Rosa M.; Lopez, Concepcion; Sanz, Dionisia] UNED, Fac Ciencias, Dept Quim Organ & Bioorgan, Paseo Senda Rey 9, E-28040 Madrid, Spain; [Infantes, Lourdes; Martinez Lopez, Angela] CSIC, Dept Cristalog & Biol Estruct, Inst Quim Fis Rocasolano, Serrano 119, E-28006 Madrid, Spain; [Reviriego, Felipe; Alkorta, Ibon; Elguero, Jose] CSIC, Inst Quim Med, Juan Cierva 3, E-28006 Madrid, Spain; [Reviriego, Felipe] Inst Ciencia Tecnol Polimeros, Juan Cierva 3, E-28006 Madrid, Spain published A structural study of new tetrakis(1H-pyrazol-1-yl)methanes in 2019.0, Cited 33.0. The Name is 3,5-Dimethyl-1H-pyrazole. Through research, I have a further understanding and discovery of 67-51-6.","breadcrumb":{"@id":"http:\/\/www.pyrazoles-derivatives.com\/?p=8829#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["http:\/\/www.pyrazoles-derivatives.com\/?p=8829"]}]},{"@type":"BreadcrumbList","@id":"http:\/\/www.pyrazoles-derivatives.com\/?p=8829#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.pyrazoles-derivatives.com\/"},{"@type":"ListItem","position":2,"name":"Get Up to Speed Quickly on Emerging Topics:C5H8N2"}]},{"@type":"WebSite","@id":"https:\/\/www.pyrazoles-derivatives.com\/#website","url":"https:\/\/www.pyrazoles-derivatives.com\/","name":"pyrazoles-derivatives","description":"Several pyrazole derivatives possess important pharmacological activities and they have been proved useful materials in drug research. 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