{"title":"Early Process Development of CH7057288, a Benzofuran-Containing Selective NTRK Inhibitor","authors":"Tomohiro Oki*, Junichi Shiina, Hiroshi Fukuda, Minoru Yamawaki, Yasushi Kito, Masaki Tomizawa, Hiroshi Iwamura, Masao Tsukazaki, Azusa Toya, Shun Tsuzaki, Naoto Hama, Akira Kawase, Kenichi Nomura, Hisashi Ito and Kenji Maeda, ","doi":"10.1021/acs.oprd.3c00434","DOIUrl":null,"url":null,"abstract":"<p >This work describes the development of a scalable manufacturing process for CH7057288, a neurotrophic tyrosine receptor kinase (NTRK) inhibitor that selectively targets NTRK positive cancers. NTRK fusions are extremely attractive and promising therapeutic targets, and in order to deliver CH7057288 as a new treatment option for patients, it is crucial to be able to rapidly supply a large amount of this innovative drug for GLP toxicology studies and first-in-human (FIH) studies. By employing an 11-step process, we have been able to synthesize CH7057288 from methyl 2-(3-aminophenyl)-2-methylpropanoate with high purity and in excellent yield. The distinguishing features of this process include sequential double cyclization, leading to four-membered benzofuran-fused heterocycles. By employing this process, we successfully produced a total of 5.5 kg of CH7057288.</p>","PeriodicalId":55,"journal":{"name":"Organic Process Research & Development","volume":"28 6","pages":"2213–2225"},"PeriodicalIF":3.1000,"publicationDate":"2024-01-03","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://pubs.acs.org/doi/10.1021/acs.oprd.3c00434","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
This work describes the development of a scalable manufacturing process for CH7057288, a neurotrophic tyrosine receptor kinase (NTRK) inhibitor that selectively targets NTRK positive cancers. NTRK fusions are extremely attractive and promising therapeutic targets, and in order to deliver CH7057288 as a new treatment option for patients, it is crucial to be able to rapidly supply a large amount of this innovative drug for GLP toxicology studies and first-in-human (FIH) studies. By employing an 11-step process, we have been able to synthesize CH7057288 from methyl 2-(3-aminophenyl)-2-methylpropanoate with high purity and in excellent yield. The distinguishing features of this process include sequential double cyclization, leading to four-membered benzofuran-fused heterocycles. By employing this process, we successfully produced a total of 5.5 kg of CH7057288.
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.