Florian Medina, William M. Maton, Jean-Pierre Bongartz, David Kossler, Magnus Eriksson, Johan Weerts, Micha Peeters, Koen Wegsteen, Els Keppens
{"title":"Process Development of Bersacapavir, Part 2. Early Game Route Selection: Catalytic versus Stoichiometric Haloform-Type Amidation","authors":"Florian Medina, William M. Maton, Jean-Pierre Bongartz, David Kossler, Magnus Eriksson, Johan Weerts, Micha Peeters, Koen Wegsteen, Els Keppens","doi":"10.1021/acs.oprd.4c00154","DOIUrl":null,"url":null,"abstract":"During the chemical development of bersacapavir API, special attention was paid to the key step of the early game synthesis: the extended haloform-type amidation. This manuscript describes the effort of the team toward the development of a catalytic version of that transformation thanks to the use of 1,5,7-triazabicyclo[4.4.0]dec-5-ene (TBD) and its unique reactivity. Guided by fine solubility studies, the catalytic procedure was optimized, streamlined, and scaled up. A very high yield and purity were achieved with significant process mass intensity (PMI) improvement in comparison to the previous process utilizing an excess of 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU).","PeriodicalId":55,"journal":{"name":"Organic Process Research & Development","volume":"40 1","pages":""},"PeriodicalIF":3.1000,"publicationDate":"2024-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Organic Process Research & Development","FirstCategoryId":"92","ListUrlMain":"https://doi.org/10.1021/acs.oprd.4c00154","RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"CHEMISTRY, APPLIED","Score":null,"Total":0}
引用次数: 0
Abstract
During the chemical development of bersacapavir API, special attention was paid to the key step of the early game synthesis: the extended haloform-type amidation. This manuscript describes the effort of the team toward the development of a catalytic version of that transformation thanks to the use of 1,5,7-triazabicyclo[4.4.0]dec-5-ene (TBD) and its unique reactivity. Guided by fine solubility studies, the catalytic procedure was optimized, streamlined, and scaled up. A very high yield and purity were achieved with significant process mass intensity (PMI) improvement in comparison to the previous process utilizing an excess of 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU).
期刊介绍:
The journal Organic Process Research & Development serves as a communication tool between industrial chemists and chemists working in universities and research institutes. As such, it reports original work from the broad field of industrial process chemistry but also presents academic results that are relevant, or potentially relevant, to industrial applications. Process chemistry is the science that enables the safe, environmentally benign and ultimately economical manufacturing of organic compounds that are required in larger amounts to help address the needs of society. Consequently, the Journal encompasses every aspect of organic chemistry, including all aspects of catalysis, synthetic methodology development and synthetic strategy exploration, but also includes aspects from analytical and solid-state chemistry and chemical engineering, such as work-up tools,process safety, or flow-chemistry. The goal of development and optimization of chemical reactions and processes is their transfer to a larger scale; original work describing such studies and the actual implementation on scale is highly relevant to the journal. However, studies on new developments from either industry, research institutes or academia that have not yet been demonstrated on scale, but where an industrial utility can be expected and where the study has addressed important prerequisites for a scale-up and has given confidence into the reliability and practicality of the chemistry, also serve the mission of OPR&D as a communication tool between the different contributors to the field.