{"id":4838,"date":"2021-06-21T04:01:03","date_gmt":"2021-06-20T20:01:03","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=4838"},"modified":"2021-06-21T04:01:03","modified_gmt":"2021-06-20T20:01:03","slug":"simple-exploration-of-2075-46-9-5","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=4838","title":{"rendered":"Simple exploration of 2075-46-9"},"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. 2075-46-9, name is 4-Nitro-1H-pyrazole, A new synthetic method of this compound is introduced below., Safety of 4-Nitro-1H-pyrazole<\/a><\/p>\n

General procedure: Into a 2 dram vial was placed 5-nitro-8-hydroxyquinonline (63 mg, 0.33 mmol), Ru\/PS nanoparticle catalyst (8.0 mg, 0.477 mmol Ru\/gram catalyst, 1.2 mol%), and hydrazine monohydrate (42 muL, 2.5 equiv) in 4 ml of THF. The reaction mixture was stirred for 2 hr, at which point the solvent was removed under reduced pressure. The product was extracted from the solid mixture with 3x 2 ml EtOH. The combined ethanol extracts were then passed through a short silica plug in a pipet and the silica plug was washed 2 times with 1 ml ethanol. The EtOH was then removed on a rotary evaporator under reduced pressure. The product 5-(hydroxyamino)quinolin-8-ol was isolated as an orange solid (51 mg, 0.29 mmol, 87% yield). For some of the more complex substrates, the reaction results are highly temperature sensitive, the reactions can be forced to completion by adding extra equivalents of hydrazine, and by raising the temperature to 27 C.<\/p>\n

The synthetic route of 2075-46-9 has been constantly updated, and we look forward to future research findings.<\/p>\n

Reference:
Article; Tyler, Jefferson H.; Nazari, S. Hadi; Patterson, Robert H.; Udumula, Venkatareddy; Smith, Stacey J.; Michaelis, David J.; Tetrahedron Letters; vol. 58; 1; (2017); p. 82 – 86;<\/a>,
Pyrazole – Wikipedia<\/a>,
Pyrazoles – an overview | ScienceDirect Topics<\/p>\n","protected":false},"excerpt":{"rendered":"

The synthetic route of 2075-46-9 has been constantly updated, and we look forward to future research findings.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[152,131],"tags":[126],"class_list":["post-4838","post","type-post","status-publish","format-standard","hentry","category-2075-46-9","category-pyrazoles-derivatives","tag-m-w100-200"],"yoast_head":"\nSimple exploration of<\/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. 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