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Development of a scaleable synthesis of a 3-aminopyrazinone acetamide thrombin inhibitor

MS Ashwood, RJ Alabaster, IF Cottrell…

文献索引:Organic Process Research and Development, , vol. 8, # 2 p. 192 - 200

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被引用次数: 6

摘要

... Organic Process Research & Development. ... The use of low-temperature reactions, fluorinating agents, and sodium azide had all been removed from the process. ... Following this procedure, glycine ethyl ester 21 was acylated with ethyl oxalyl chloride 20 (2.0 equiv) at 0 °C under ...