{"id":3381,"date":"2021-04-13T00:00:00","date_gmt":"2021-04-12T16:00:00","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=3381"},"modified":"2021-04-13T00:00:00","modified_gmt":"2021-04-12T16:00:00","slug":"the-origin-of-a-common-compound-about-4-amino-1-methyl-3-n-propyl-1h-pyrazole-5-carboxamide-3","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=3381","title":{"rendered":"The origin of a common compound about 4-Amino-1-methyl-3-N-propyl-1H-pyrazole-5-carboxamide"},"content":{"rendered":"

Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 139756-02-8, name is 4-Amino-1-methyl-3-N-propyl-1H-pyrazole-5-carboxamide, This compound has unique chemical properties. The synthetic route is as follows., Recommanded Product: 139756-02-8<\/a><\/p>\n

General procedure: We intended to synthesize compounds based on 1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one scaffold by using microwave assisted protocol (Scheme 1). In this direction we started the studies for optimization of synthesis of 5-(2-ethoxyphenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one 3a. The optimization studies were initiated by screening of different oxidizing agents as depicted in Table1, see Supplementary data using DMSO:Water in 1:1 proportion to see the conversion in desired product. Amongst all oxidants, the best result was observed with K2S2O8, in equivalence studies for catalyst, 3eq. of catalyst has given maximum yields (Table1, see Supplementary data). Therefore, all reactions were conducted using this condition after optimization of catalyst. However, oxone has also given the product 3a with minor yields. After screening of the catalyst we started study of selectivity for solvent that could affect the formation of 5-(2-ethoxyphenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one 3a. The solvent screening was carried out to find out the best conversion, the mixture of DMSO:H2O in 1:1 proportion has given the best results with excellent yields (Table2, see Supplementary data). The microwave protocols were optimized for this reaction as mentioned in Table 3, see Supplementary data; the reactions carried under different microwave Watt powers have given varied results. Wherein, entry 3(b) (Table3, see Supplementary data) was found to be the best condition for maximum conversion. A series of compounds based on 1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one scaffold was synthesized using these optimized conditions, wherein, all kind of substrates with diversity around aryl ring were chosen for conversion and in all cases products obtained in good to excellent yields (Table1).<\/p>\n

According to the analysis of related databases, 139756-02-8, the application of this compound in the production field has become more and more popular.<\/p>\n","protected":false},"excerpt":{"rendered":"

According to the analysis of related databases, 139756-02-8, the application of this compound in the production field has become more and more popular.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[157,131],"tags":[126],"class_list":["post-3381","post","type-post","status-publish","format-standard","hentry","category-139756-02-8","category-pyrazoles-derivatives","tag-m-w100-200"],"yoast_head":"\nThe origin of a common compound about 4-Amino-1-methyl-3-N-propyl-1H-pyrazole-5-carboxamide<\/title>\n<meta name=\"description\" content=\"Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 139756-02-8, name is 4-Amino-1-methyl-3-N-propyl-1H-pyrazole-5-carboxamide, This compound has unique chemical properties. The synthetic route is as follows., Recommanded Product: 139756-02-8\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/www.pyrazoles-derivatives.com\/?p=3381\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The origin of a common compound about 4-Amino-1-methyl-3-N-propyl-1H-pyrazole-5-carboxamide\" \/>\n<meta property=\"og:description\" content=\"Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 139756-02-8, name is 4-Amino-1-methyl-3-N-propyl-1H-pyrazole-5-carboxamide, This compound has unique chemical properties. 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Pyrazole derivatives play an important role in antitumor agents.\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.pyrazoles-derivatives.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/d9a9f27bed675392c6f363a01ffd49f1\",\"name\":\"Jessica.F\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/en.cravatar.com\/avatar\/2d1cec2a99eeaad5a5b217c9cdbfb610?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/en.cravatar.com\/avatar\/2d1cec2a99eeaad5a5b217c9cdbfb610?s=96&d=mm&r=g\",\"caption\":\"Jessica.F\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"The origin of a common compound about 4-Amino-1-methyl-3-N-propyl-1H-pyrazole-5-carboxamide","description":"Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 139756-02-8, name is 4-Amino-1-methyl-3-N-propyl-1H-pyrazole-5-carboxamide, This compound has unique chemical properties. The synthetic route is as follows., Recommanded Product: 139756-02-8","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"http:\/\/www.pyrazoles-derivatives.com\/?p=3381","og_locale":"en_US","og_type":"article","og_title":"The origin of a common compound about 4-Amino-1-methyl-3-N-propyl-1H-pyrazole-5-carboxamide","og_description":"Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 139756-02-8, name is 4-Amino-1-methyl-3-N-propyl-1H-pyrazole-5-carboxamide, This compound has unique chemical properties. 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