{"id":4816,"date":"2021-06-18T07:03:37","date_gmt":"2021-06-17T23:03:37","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=4816"},"modified":"2021-06-18T07:03:37","modified_gmt":"2021-06-17T23:03:37","slug":"continuously-updated-synthesis-method-about-c6h7n3o4","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=4816","title":{"rendered":"Continuously updated synthesis method about C6H7N3O4"},"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. 55864-87-4, name is Ethyl 4-nitro-1H-pyrazole-3-carboxylate, A new synthetic method of this compound is introduced below., <a href=\"https:\/\/www.ambeed.com\/products\/55864-87-4.html\">Recommanded Product: 55864-87-4<\/a><\/p>\n<p>a) Ethyl 4-NITRO-LH-PYRAZOLE-3-CARBOXYLATE (741 mg, 4 mmol) was heated at 90C with a concentrated solution of aqueous ammonia (28%, 20 ML) in a sealed vessel for 3 hours. The mixture was evaporated and the residue was triturated with diethyl ether to give 4-NITRO-LH- pyrazole-3-carboxamide (0.54 g, 86% yield) as a white solid: 1H-NMR (DMSO d6) : 8. 70 (s, 1H), 8.06 (s, 1H), 7. 83 (s, 1H); MS (+VEESI) : 157.13 (M+H) +.<\/p>\n<p>The basis of chemical reaction formula synthesis, the synthesis route is composed of some specific reactions and combined according to certain logical thinking. We look forward to the emergence of more reaction modes in the future.<\/p>\n<p>Reference:<br \/><a href=\"http:\/\/v3.espacenet.com\/textdoc?DB=EPODOC&#038;IDX=WO2004094410&#038;F=0\">Patent; ASTRAZENECA AB; ASTRAZENECA UK LIMITED; WO2004\/94410; (2004); 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 basis of chemical reaction formula synthesis, the synthesis route is composed of some specific reactions and combined according to certain logical thinking. We look forward to the emergence of more reaction modes in the future.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[258,131],"tags":[126],"class_list":["post-4816","post","type-post","status-publish","format-standard","hentry","category-55864-87-4","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>Continuously updated synthesis method about<\/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. Generally, it requires fewer steps, and cheap raw materials. 55864-87-4, name is Ethyl 4-nitro-1H-pyrazole-3-carboxylate, A new synthetic method of this compound is introduced below., Recommanded Product: 55864-87-4\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.pyrazoles-derivatives.com\/?p=4816\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Continuously updated synthesis method about\" \/>\n<meta property=\"og: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. Generally, it requires fewer steps, and cheap raw materials. 55864-87-4, name is Ethyl 4-nitro-1H-pyrazole-3-carboxylate, A new synthetic method of this compound is introduced below., Recommanded Product: 55864-87-4\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.pyrazoles-derivatives.com\/?p=4816\" \/>\n<meta property=\"og:site_name\" content=\"pyrazoles-derivatives\" \/>\n<meta property=\"article:published_time\" content=\"2021-06-17T23:03:37+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=4816\",\"url\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=4816\",\"name\":\"Continuously updated synthesis method about\",\"isPartOf\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#website\"},\"datePublished\":\"2021-06-17T23:03:37+00:00\",\"author\":{\"@id\":\"https:\/\/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. Generally, it requires fewer steps, and cheap raw materials. 55864-87-4, name is Ethyl 4-nitro-1H-pyrazole-3-carboxylate, A new synthetic method of this compound is introduced below., Recommanded Product: 55864-87-4\",\"breadcrumb\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=4816#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.pyrazoles-derivatives.com\/?p=4816\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=4816#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.pyrazoles-derivatives.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Continuously updated synthesis method about C6H7N3O4\"}]},{\"@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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