{"id":4016,"date":"2021-04-26T00:00:00","date_gmt":"2021-04-25T16:00:00","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=4016"},"modified":"2021-04-26T00:00:00","modified_gmt":"2021-04-25T16:00:00","slug":"the-important-role-of-ethyl-35-diamino-1h-pyrazole-4-carboxylate","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=4016","title":{"rendered":"The important role of Ethyl 3,5-diamino-1H-pyrazole-4-carboxylate"},"content":{"rendered":"

Some common heterocyclic compound, 6825-71-4, name is Ethyl 3,5-diamino-1H-pyrazole-4-carboxylate, molecular formula is C6H10N4O2, traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route. Application In Synthesis of Ethyl 3,5-diamino-1H-pyrazole-4-carboxylate<\/a><\/p>\n

Another exemplary study was carried out as follow: Compound J and AcOH (7.5 volumes) were charged to an appropriately sized jacketed reactor. Mixing was started and the jacket was set to maintain an internal temperature of 25 C . Tetramethoxypropane (1.01 equivalents) was charged to the reactor and the j acket was set to maintain an internal temperature of 95 C. Once at temperature, the reaction continued mixing for 1.5 hours and then an IPC sample was taken. The passing criteria for this IPC was 60 C to prevent premature precipitation. Once the target volume was reached the jacket was set to maintain an internal temperature of 50 C. A 4 M solution of NaOH was then charged to the reactor via cannula to neutralize the remaining AcOH. This typically required approximately 10 volumes of the base solution. The neutralization was monitored by pH probe. Solids began to precipitate during the course of the charge. Once neutralized, the slurry was cooled to 20 C and held at that temperature for 1 hour prior to isolation via Buchner funnel. The cake was washed twice with 2 volumes of water and once with 2 volumes of MeOH. The solids were then dried to constant weight in a vacuum oven to provide Compound H. This procedure had been performed on 110 g scale to produce a granular light brown solid.<\/p>\n

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 6825-71-4, its application will become more common.<\/p>\n

Reference:
Patent; INFINITY PHARMACEUTICALS, INC.; CRENIER, Louis; LESCARBEAU, Andre; SHARMA, Praveen; GENOV, Daniel G.; (324 pag.)WO2017\/48702; (2017); A1;<\/a>,
Pyrazole – Wikipedia<\/a>,
Pyrazoles – an overview | ScienceDirect Topics<\/p>\n","protected":false},"excerpt":{"rendered":"

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 6825-71-4, its application will become more common.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[327,131],"tags":[126],"class_list":["post-4016","post","type-post","status-publish","format-standard","hentry","category-6825-71-4","category-pyrazoles-derivatives","tag-m-w100-200"],"yoast_head":"\nThe important role of Ethyl 3,5-diamino-1H-pyrazole-4-carboxylate<\/title>\n<meta name=\"description\" content=\"Some common heterocyclic compound, 6825-71-4, name is Ethyl 3,5-diamino-1H-pyrazole-4-carboxylate, molecular formula is C6H10N4O2, traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route. 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