{"id":6328,"date":"2021-09-14T07:12:50","date_gmt":"2021-09-13T23:12:50","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=6328"},"modified":"2021-09-14T07:12:50","modified_gmt":"2021-09-13T23:12:50","slug":"september-142021-news-some-scientific-research-about-1151802-23-1","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=6328","title":{"rendered":"September 14,2021 News Some scientific research about 1151802-23-1"},"content":{"rendered":"

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. 1151802-23-1, name is 4-Bromo-1-cyclopropyl-1H-pyrazole, A new synthetic method of this compound is introduced below., SDS of cas: 1151802-23-1<\/a><\/p>\n

General procedure: A suspension of 1 -Difluoromethyl-4-(4,4,5,5 -tetramethyl-[ 1,3,21 dioxaborolan-2-yl)- 1H-pyrazole (1.47 g, 6.03 mmol), 4-bromo-2,6-difluorobenzaldehyde (1.1 g, 4.98 mmol), palladium acetate (0.03 g, 0.12 mmol), butyldi-1-adamantylphosphine (0.11 g, 0.3 mmol), and potassium carbonate (2.06 g, 14.93 mmol) in water (7 ml) and 1,4-dioxane (22 ml) in a tube was degassedfor 10 mm with argon, then the tube was sealed and heated at 100 C overnight. The reaction mixture was cooled to room temperature, concentrated under reduce pressure, the residue was diluted with EtOAc and washed with brine 2x then dried over Na2SO4, filtered and concentrated under reduced pressure. The crude residue was purified by silica column chromatography (10% to 25% EtOAc\/Hex) to afford P7. 1HNMR (400 MHz, Chloroform-d) oe 10.32 (s, 1H), 8.16 (s,1H), 7.96 (s, 1H), 7.23 (t, J = 60.4 Hz, 1H), 7.14 (d, J = 9.5 Hz, 2H).<\/p>\n

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

Reference:
Patent; GILEAD SCIENCES, INC.; BACON, Elizabeth M.; CHIN, Elbert; COTTELL, Jeromy J.; KATANA, Ashley Anne; KATO, Darryl; LINK, John O.; SHAPIRO, Nathan; TREJO MARTIN, Teresa Alejandra; YANG, Zheng-Yu; (395 pag.)WO2018\/145021; (2018); A1;<\/a>,
Pyrazole – Wikipedia<\/a>,
Pyrazoles – an overview | ScienceDirect Topics<\/p>\n","protected":false},"excerpt":{"rendered":"

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":[520,131],"tags":[126],"class_list":["post-6328","post","type-post","status-publish","format-standard","hentry","category-1151802-23-1","category-pyrazoles-derivatives","tag-m-w100-200"],"yoast_head":"\nSome scientific research 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. 1151802-23-1, name is 4-Bromo-1-cyclopropyl-1H-pyrazole, A new synthetic method of this compound is introduced below., SDS of cas: 1151802-23-1\" \/>\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=6328\" \/>\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\" \/>\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. 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