{"id":10879,"date":"2022-11-02T10:59:43","date_gmt":"2022-11-02T02:59:43","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=10879"},"modified":"2022-11-02T10:59:43","modified_gmt":"2022-11-02T02:59:43","slug":"yao-qingjia-et-al-published-their-patent-in-2014-cas-924909-16-0","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=10879","title":{"rendered":"Yao, Qingjia et al. published their patent in 2014 |CAS: 924909-16-0"},"content":{"rendered":"<p>On October 15, 2014, Yao, Qingjia; Wu, Simin; Xu, Yangjun published a patent.<a href=\"https:\/\/www.ambeed.com\/products\/924909-16-0.html\">Electric Literature of 924909-16-0<\/a> The title of the patent was A process for preparing 4-chloro-1H-pyrazolo[3,4-b]pyridin-3-amine. And the patent contained the following:<\/p>\n<p>The invention relates to a process for the preparation of 4-chloro-1H-pyrazolo[3,4-b]pyridin-3-amine via heterocyclization of 2-propenenitrile with 4-methoxybenzaldehyde followed by reaction with tri-Et orthoformate and 2,2-dimethyl-1,3-dioxane-4,6-dion, heterocyclization, chlorination, deprotection, nitration, and reduction The experimental process involved the reaction of 1-(4-Methoxybenzyl)-1H-pyrazolo[3,4-b]pyridin-4-ol(cas: 924909-16-0).<a href=\"https:\/\/www.ambeed.com\/products\/924909-16-0.html\">Electric Literature of 924909-16-0<\/a><\/p>\n<p>The Article related to chloropyrazolopyridinamine preparation mannich heterocyclization nitration, Heterocyclic Compounds (More Than One Hetero Atom): Pyrazoles and other aspects.<a href=\"https:\/\/www.ambeed.com\/products\/924909-16-0.html\">Electric Literature of 924909-16-0<\/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>The Article related to chloropyrazolopyridinamine preparation mannich heterocyclization nitration, Heterocyclic Compounds (More Than One Hetero Atom): Pyrazoles and other aspects.<a href=\"https:\/\/www.ambeed.com\/products\/924909-16-0.html\">Electric Literature of 924909-16-0<\/a><\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[767,131],"tags":[129],"class_list":["post-10879","post","type-post","status-publish","format-standard","hentry","category-924909-16-0","category-pyrazoles-derivatives","tag-200-300"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Yao, Qingjia et al. published their patent in 2014 |CAS: 924909-16-0 | pyrazoles-derivatives<\/title>\n<meta name=\"description\" content=\"On October 15, 2014, Yao, Qingjia; Wu, Simin; Xu, Yangjun published a patent.Electric Literature of 924909-16-0 The title of the patent was A process for preparing 4-chloro-1H-pyrazolo[3,4-b]pyridin-3-amine. 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