It’s only fair to share… Aneratrigine 2097163-74-9 5-chloro-2-fluoro-4-[4-fluoro-2-[methyl-[2-(methylamino)ethyl]amino]anilino]-N-(1,3-thiazol-4-yl)benzenesulfonamide 5-chloro-2-fluoro-4-((4-fluoro-2-(3-(methylamino)pyridin-1-yl)phenyl)amino)-N-(thiazol-4-yl)benzenesulfonamide hydrochloride Benzenesulfonamide, 5-chloro-2-fluoro-4-[[4-fluoro-2-[methyl[2-(methylamino)ethyl]amino]phenyl]amino]-N-4-thiazolyl- C19H20ClF2N5O2S2 488.0 g/mol UNII 6A5ZY5LT78 WHO SYN Assignee: Daewoong Pharmaceutical Co., Ltd. World Intellectual Property Organization, WO2017082688 https://patentscope.wipo.int/search/en/detail.jsf?docId=WO2017082688&_cid=P11-M0UEPF-95506-1 Preparation of 5-chloro-2-fluoro-4-((4-fluoro-2-(3-(methylamino)pyridin-1-yl)phenyl)amino)-N-(thiazol-4-yl)benzenesulfonamide hydrochloride Step 1) Preparation of tert-butyl (1-(2-amino-5-fluorophenyl)pyridin-3-yl)(methyl)carbamate 2,4-Difluoro-1-nitrobenzene (2.0 g, 12.6 ng/mol) and tert-butyl methyl (pyridin-3-yl)carbamate (2.5 g, 1.0 eq.) were dissolved in DMF …