{"id":1019,"date":"2020-11-13T11:00:17","date_gmt":"2020-11-13T03:00:17","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=1019"},"modified":"2020-11-13T11:00:17","modified_gmt":"2020-11-13T03:00:17","slug":"some-scientific-research-about-345-tribromopyrazole","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=1019","title":{"rendered":"Some scientific research about 3,4,5-Tribromopyrazole"},"content":{"rendered":"

Adding a certain compound to certain chemical reactions, such as: 17635-44-8, name is 3,4,5-Tribromopyrazole, belongs to pyrazoles-derivatives compound, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 17635-44-8, 17635-44-8<\/a><\/p>\n

EXAMPLE 1 Preparation of Ethyl 3,4,5-Tribromopyrazole-1-acetate A quantity (92 gm., 0.3 mole) 3,4,5-tribromopyrazole was added with vigorous stirring to a solution of 7.1 gm. sodium (0.31 mole) in 300 ml. absolute ethanol. After the mixing was complete, 100 gm. (0.6 mole) ethyl bromoacetate was added dropwise while stirring was continued. The mixture was diluted with 200 ml. absolute ethanol and this reaction mixture was stirred at about 25 C. for about 18 hrs. After removing most of the ethanol by evaporation under reduced pressure, 100 ml. of 6 N hydrochloric acid was added to the residue, and this aqueous acid mixture was made alkaline with solid sodium carbonate. The aqueous layer was separated and extracted with three 60-ml, portions of ether. The ether extracts were combined, washed with three 40-ml. portions of water, and dried with anhydrous magnesium sulfate. After removing the ether by evaporation under reduced pressure, there was obtained a white solid. Recrystallization from technical hexane (Skellysolve B, a mixture of isomeric hexanes having a boiling range between 61 C. and 69 C.) gave 96.0 gm. of ethyl 3,4,5-tribromopyrazole-1-acetate having a melting point at 101 to 103 C. Analysis: Calc’d. for C7 H7 Br3 N2 O2: C, 21.51; H, 1.81; N, 7.17; Br, 61.33. Found: C, 21.79; H, 1.62; N, 6.96; Br, 61.56.<\/p>\n

In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles, 3,4,5-Tribromopyrazole, other downstream synthetic routes, hurry up and to see.<\/p>\n","protected":false},"excerpt":{"rendered":"

In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles, 3,4,5-Tribromopyrazole, other downstream synthetic routes, hurry up and to see.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[190,131],"tags":[167],"class_list":["post-1019","post","type-post","status-publish","format-standard","hentry","category-17635-44-8","category-pyrazoles-derivatives","tag-m-w300-400"],"yoast_head":"\nSome scientific research about 3,4,5-Tribromopyrazole<\/title>\n<meta name=\"description\" content=\"Adding a certain compound to certain chemical reactions, such as: 17635-44-8, name is 3,4,5-Tribromopyrazole, belongs to pyrazoles-derivatives compound, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 17635-44-8, 17635-44-8\" \/>\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=1019\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Some scientific research about 3,4,5-Tribromopyrazole\" \/>\n<meta property=\"og:description\" content=\"Adding a certain compound to certain chemical reactions, such as: 17635-44-8, name is 3,4,5-Tribromopyrazole, belongs to pyrazoles-derivatives compound, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. 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