{"id":4045,"date":"2021-05-13T07:59:20","date_gmt":"2021-05-12T23:59:20","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=4045"},"modified":"2021-05-13T07:59:20","modified_gmt":"2021-05-12T23:59:20","slug":"extended-knowledge-of-139756-04-0","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=4045","title":{"rendered":"Extended knowledge of 139756-04-0"},"content":{"rendered":"

Electric Literature of 139756-04-0<\/a>,Some common heterocyclic compound, 139756-04-0, name is 1-Methyl-4-(2-propoxybenzamido)-3-propyl-1H-pyrazole-5-carboxamide, molecular formula is C18H24N4O3, 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.<\/p>\n

EXAMPLE 19 1-Methyl-5-(2-n-propoxyphenyl)-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one 1-Methyl-4-(2-n-propoxybenzamido)-3-n-propylpyrazole-5-carboxamide (0.34 g, 0.99 mmol) was added to a stirred mixture of 30% hydrogen peroxide solution (1.0 ml), potassium carbonate (0.54 g, 3.92 mmol), water (10 ml) and ethanol (5 ml). The mixture was heated under reflux for 38 hours and then evaporated under vacuum. The residue was suspended in water (20 ml), then the mixture acidified with 2N hydrochloric acid and extracted with dichloromethane (3*20 ml). The extracts were combined, dried (Na2 SO4) and evaporated under vacuum. The resulting residue was chromatographed on silica gel (6 g), using a methanol in dichloromethane elution gradient (0.0-1.0%), to give an oil, successive trituration of which with ether gave the required product as a white solid (0.19 g, 59%), m.p. 111-114 C. Found: C,66.26; H,6.92; N,17.15. C18 H22 N4 O2 requires C,66.23; H,6.80; N,17.17%.<\/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 1-Methyl-4-(2-propoxybenzamido)-3-propyl-1H-pyrazole-5-carboxamide, its application will become more common.<\/p>\n

Reference:
Patent; Pfizer Inc.; US5250534; (1993); A;<\/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 1-Methyl-4-(2-propoxybenzamido)-3-propyl-1H-pyrazole-5-carboxamide, 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":[616,131],"tags":[167],"class_list":["post-4045","post","type-post","status-publish","format-standard","hentry","category-139756-04-0","category-pyrazoles-derivatives","tag-m-w300-400"],"yoast_head":"\nExtended knowledge of<\/title>\n<meta name=\"description\" content=\"Electric Literature of 139756-04-0,Some common heterocyclic compound, 139756-04-0, name is 1-Methyl-4-(2-propoxybenzamido)-3-propyl-1H-pyrazole-5-carboxamide, molecular formula is C18H24N4O3, 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.\" \/>\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=4045\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Extended knowledge of\" \/>\n<meta property=\"og:description\" content=\"Electric Literature of 139756-04-0,Some common heterocyclic compound, 139756-04-0, name is 1-Methyl-4-(2-propoxybenzamido)-3-propyl-1H-pyrazole-5-carboxamide, molecular formula is C18H24N4O3, 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.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.pyrazoles-derivatives.com\/?p=4045\" \/>\n<meta property=\"og:site_name\" content=\"pyrazoles-derivatives\" \/>\n<meta property=\"article:published_time\" content=\"2021-05-12T23:59:20+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=4045\",\"url\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=4045\",\"name\":\"Extended knowledge of\",\"isPartOf\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#website\"},\"datePublished\":\"2021-05-12T23:59:20+00:00\",\"author\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/d9a9f27bed675392c6f363a01ffd49f1\"},\"description\":\"Electric Literature of 139756-04-0,Some common heterocyclic compound, 139756-04-0, name is 1-Methyl-4-(2-propoxybenzamido)-3-propyl-1H-pyrazole-5-carboxamide, molecular formula is C18H24N4O3, 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.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=4045#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.pyrazoles-derivatives.com\/?p=4045\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=4045#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.pyrazoles-derivatives.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Extended knowledge of 139756-04-0\"}]},{\"@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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