{"id":5373,"date":"2021-07-16T03:27:16","date_gmt":"2021-07-15T19:27:16","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=5373"},"modified":"2021-07-16T03:27:16","modified_gmt":"2021-07-15T19:27:16","slug":"brief-introduction-of-400877-57-8-2","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=5373","title":{"rendered":"Brief introduction of 400877-57-8"},"content":{"rendered":"<p>Researchers who often do experiments know that organic synthesis is a process of preparing more complex target molecules from simple raw materials through one or more chemical reactions. Generally, it requires fewer steps, and cheap raw materials. 400877-57-8, name is Methyl 1-methyl-4-nitro-1H-pyrazole-3-carboxylate, A new synthetic method of this compound is introduced below., <a href=\"https:\/\/www.ambeed.com\/products\/400877-57-8.html\">COA of Formula: C6H7N3O4<\/a><\/p>\n<p>B) Methyl 4-amino-1-methyl-1H-pyrazole-3-carboxylate To a solution of methyl 1-methyl-4-nitro-1H-pyrazole-3-carboxylate (10 g) in methanol (200 mL), palladium-carbon (10%) (2 g) was added, and the mixture was stirred at room temperature for 6 hours in a hydrogen atmosphere (45 psi). Palladium-carbon was filtered off, and then, the filtrate was concentrated to obtain the title compound (8.57 g). 1H NMR (400 MHz, CDCl3) delta 3.86 (3H, s), 3.92 (3H, s), 4.08 (2H, brs), 6.96 (1H, s).<\/p>\n<p>The synthetic route of 400877-57-8 has been constantly updated, and we look forward to future research findings.<\/p>\n<p>Reference:<br \/><a href=\"http:\/\/v3.espacenet.com\/textdoc?DB=EPODOC&#038;IDX=WO2019081939&#038;F=0\">Patent; Takeda Pharmaceutical Company Limited; ASANO, Yasutomi; KOJIMA, Takuto; KURASAWA, Osamu; WONG, Tzu-Tshin; HIRATA, Yasuhiro; IWAMURA, Naoki; SAITO, Bunnai; TANAKA, Yuta; ARAI Ryosuke; IMAMURA, Shinichi; YONEMORI, Kazuko; MIYAMOTO, Yasufumi; KITAMURA, Shuji; SANO, Osamu; (222 pag.)EP3287441; (2018); A1;<\/a>,<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<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The synthetic route of 400877-57-8 has been constantly updated, and we look forward to future research findings.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[378,131],"tags":[126],"class_list":["post-5373","post","type-post","status-publish","format-standard","hentry","category-400877-57-8","category-pyrazoles-derivatives","tag-m-w100-200"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Brief introduction of<\/title>\n<meta name=\"description\" content=\"Researchers who often do experiments know that organic synthesis is a process of preparing more complex target molecules from simple raw materials through one or more chemical reactions. 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Generally, it requires fewer steps, and cheap raw materials. 400877-57-8, name is Methyl 1-methyl-4-nitro-1H-pyrazole-3-carboxylate, A new synthetic method of this compound is introduced below., COA of Formula: C6H7N3O4\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.pyrazoles-derivatives.com\/?p=5373\" \/>\n<meta property=\"og:site_name\" content=\"pyrazoles-derivatives\" \/>\n<meta property=\"article:published_time\" content=\"2021-07-15T19:27:16+00:00\" \/>\n<meta name=\"author\" content=\"Jessica.F\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Jessica.F\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=5373\",\"url\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=5373\",\"name\":\"Brief introduction of\",\"isPartOf\":{\"@id\":\"http:\/\/www.pyrazoles-derivatives.com\/#website\"},\"datePublished\":\"2021-07-15T19:27:16+00:00\",\"author\":{\"@id\":\"http:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/d9a9f27bed675392c6f363a01ffd49f1\"},\"description\":\"Researchers who often do experiments know that organic synthesis is a process of preparing more complex target molecules from simple raw materials through one or more chemical reactions. 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