{"id":10075,"date":"2022-10-14T07:43:40","date_gmt":"2022-10-13T23:43:40","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=10075"},"modified":"2022-10-14T07:43:40","modified_gmt":"2022-10-13T23:43:40","slug":"wietelmann-ulrichs-team-published-research-in-organic-process-research-development-in-2022-cas-930-36-9","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=10075","title":{"rendered":"Wietelmann, Ulrich’s team published research in Organic Process Research & Development in 2022 | CAS: 930-36-9"},"content":{"rendered":"

Computed Properties of C4H6N2<\/a>On May 20, 2022 ,\u300aContinuous Processing of Concentrated Organolithiums in Flow Using Static and Dynamic Spinning Disc Reactor Technologies\u300b appeared in Organic Process Research & Development. The author of the article were Wietelmann, Ulrich; Kloesener, Johannes; Rittmeyer, Peter; Schnippering, Stefan; Bats, Henk; Stam, Wouter. The article conveys some information:<\/p>\n

Organometallic reactions involving highly reactive organolithium reagents are widely used in organic synthesis. However, the use of organometallics in batch mode on a pilot and industrial scale is challenging for safety reasons and frequently requires expensive cryogenic process conditions. A change to continuous processing in flow mode can provide major advantages for process safety and economics. In this study, we compare static and dynamic flow reactor technologies for two important organolithium (butyllithium and hexyllithium)-enabled transformations: deprotonations and bromine\/lithium exchange reactions. Using higher concentrated (\u22653 M) butyllithium (BuLi) solutions, i.e., reaction mixtures with reduced hydrocarbon content, decreases the risk of reactor fouling and allows for increased space\/time yields. In the flow mode, the observed reactions could be carried out under more convenient conditions, i.e., at higher temperatures compared to the batch mode, and the deprotonation reaction even at ambient temperature instead of -78\u00b0C. The formation of precipitates with the risk of clogging can be further reduced by changing from static flow to dynamic spinning disk reactor technol. The SpinPro reactor system from Flowid has been identified to ensure robust performance, as it tolerates salt precipitations and can provide excellent mass transfer conditions. Flow process technol. using concentrated organolithium products can provide unique benefits for the manufacturing of pharmaceutical intermediates, agrochem. products, and specialty chems. After reading the article, we found that the author used 1-Methylpyrazole(cas: 930-36-9Computed Properties of C4H6N2<\/a>)<\/p>\n

1-Methylpyrazole(cas: 930-36-9) belongs to pyrazoles. Pyrazoles and their related multiring analogs are common elements of a wide variety of bioactive compounds. These ring structures are rare in nature. A consequence of this is that they have previously been thought to be poor moieties to include in potential new drugs. Computed Properties of C4H6N2<\/a><\/p>\n

Referemce:
Pyrazole – Wikipedia<\/a>,
Pyrazoles – an overview | ScienceDirect Topics<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

1-Methylpyrazole(cas: 930-36-9) belongs to pyrazoles. Pyrazoles and their related multiring analogs are common elements of a wide variety of bioactive compounds. These ring structures are rare in nature. A consequence of this is that they have previously been thought to be poor moieties to include in potential new drugs. Computed Properties of C4H6N2<\/a><\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[245,131],"tags":[743],"class_list":["post-10075","post","type-post","status-publish","format-standard","hentry","category-930-36-9","category-pyrazoles-derivatives","tag-0-100"],"yoast_head":"\nWietelmann, Ulrich's team published research in Organic Process Research & Development in 2022 | CAS: 930-36-9 | pyrazoles-derivatives<\/title>\n<meta name=\"description\" content=\"Computed Properties of C4H6N2On May 20, 2022 ,\u300aContinuous Processing of Concentrated Organolithiums in Flow Using Static and Dynamic Spinning Disc Reactor Technologies\u300b appeared in Organic Process Research & Development. The author of the article were Wietelmann, Ulrich; Kloesener, Johannes; Rittmeyer, Peter; Schnippering, Stefan; Bats, Henk; Stam, Wouter. 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