{"id":12139,"date":"2023-02-03T04:13:22","date_gmt":"2023-02-02T20:13:22","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=12139"},"modified":"2023-02-03T04:13:22","modified_gmt":"2023-02-02T20:13:22","slug":"zhao-yujun-et-al-published-their-research-in-journal-of-medicinal-chemistry-in-2018-cas-141459-53-2-2","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=12139","title":{"rendered":"Zhao, Yujun et al. published their research in Journal of Medicinal Chemistry in 2018 | CAS: 141459-53-2"},"content":{"rendered":"<p>Structure-Based Discovery of CF53 as a Potent and Orally Bioavailable Bromodomain and Extra-Terminal (BET) Bromodomain Inhibitor was written by Zhao, Yujun;Zhou, Bing;Bai, Longchuan;Liu, Liu;Yang, Chao-Yie;Meagher, Jennifer L.;Stuckey, Jeanne A.;McEachern, Donna;Przybranowski, Sally;Wang, Mi;Ran, Xu;Aguilar, Angelo;Hu, Yang;Kampf, Jeff W.;Li, Xiaoqin;Zhao, Ting;Li, Siwei;Wen, Bo;Sun, Duxin;Wang, Shaomeng. And the article was included in Journal of Medicinal Chemistry in 2018.<a href=\"https:\/\/www.ambeed.com\/products\/141459-53-2.html\">Quality Control of 1-(tert-Butyl)-3-methyl-1H-pyrazol-5-amine<\/a> This article mentions the following:<\/p>\n<p>We report the structure-based discovery of CF53 (28) as a highly potent and orally active inhibitor of bromodomain and extra-terminal (BET) proteins. By the incorporation of a NH-pyrazole group into the 9H-pyrimido[4,5-b]indole core, we identified a series of compounds that bind to BRD4 BD1 protein with K<sub>i<\/sub> values of &lt;1 nM and achieve low nanomolar potencies in the cell growth inhibition of leukemia and breast cancer cells. The most-promising compound, CF53, possesses excellent oral pharmacokinetic properties and achieves significant antitumor activity in both triple-neg. breast cancer and acute leukemia xenograft models in mice. Determination of the co-crystal structure of CF53 with the BRD4 BD1 protein provides a structural basis for its high binding affinity to BET proteins. CF53 is very selective over non-BET bromodomain-containing proteins. These data establish CF53 as a potent, selective, and orally active BET inhibitor, which warrants further evaluation for advanced preclin. development. In the experiment, the researchers used many compounds, for example, 1-(tert-Butyl)-3-methyl-1H-pyrazol-5-amine (cas: 141459-53-2<a href=\"https:\/\/www.ambeed.com\/products\/141459-53-2.html\">Quality Control of 1-(tert-Butyl)-3-methyl-1H-pyrazol-5-amine<\/a>).<\/p>\n<p>1-(tert-Butyl)-3-methyl-1H-pyrazol-5-amine (cas: 141459-53-2) belongs to pyrazole derivatives. The 1H-pyrazole provides an excellent means by which to provide the requisite hydrogen bond acceptor\u2013donor motifs, whether as a monocyclic ring or as a fused indazole ring. Protonation of pyrazole in strong acid leads to pyrazolium cations, which undergo electrophilic substitution preferentially at C3 rather than C4. The pyrazole anion is not reactive toward nucleophiles but is mostly reactive to electrophiles.<a href=\"https:\/\/www.ambeed.com\/products\/141459-53-2.html\">Quality Control of 1-(tert-Butyl)-3-methyl-1H-pyrazol-5-amine<\/a><\/p>\n<p>Referemce:<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>1-(tert-Butyl)-3-methyl-1H-pyrazol-5-amine (cas: 141459-53-2) belongs to pyrazole derivatives. The 1H-pyrazole provides an excellent means by which to provide the requisite hydrogen bond acceptor\u2013donor motifs, whether as a monocyclic ring or as a fused indazole ring. Protonation of pyrazole in strong acid leads to pyrazolium cations, which undergo electrophilic substitution preferentially at C3 rather than C4. The pyrazole anion is not reactive toward nucleophiles but is mostly reactive to electrophiles.<a href=\"https:\/\/www.ambeed.com\/products\/141459-53-2.html\">Quality Control of 1-(tert-Butyl)-3-methyl-1H-pyrazol-5-amine<\/a><\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[131],"tags":[128],"class_list":["post-12139","post","type-post","status-publish","format-standard","hentry","category-pyrazoles-derivatives","tag-100-200"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Zhao, Yujun et al. published their research in Journal of Medicinal Chemistry in 2018 | CAS: 141459-53-2 | pyrazoles-derivatives<\/title>\n<meta name=\"description\" content=\"Structure-Based Discovery of CF53 as a Potent and Orally Bioavailable Bromodomain and Extra-Terminal (BET) Bromodomain Inhibitor was written by Zhao, Yujun;Zhou, Bing;Bai, Longchuan;Liu, Liu;Yang, Chao-Yie;Meagher, Jennifer L.;Stuckey, Jeanne A.;McEachern, Donna;Przybranowski, Sally;Wang, Mi;Ran, Xu;Aguilar, Angelo;Hu, Yang;Kampf, Jeff W.;Li, Xiaoqin;Zhao, Ting;Li, Siwei;Wen, Bo;Sun, Duxin;Wang, Shaomeng. 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