Development of a Thiophosphorylation Process for the Synthesis of 2′F-Thio-Adenosine Monophosphate
Jennifer V. Obligacion,
Tao Wang,
Thomas T. Kwok
et al.
Abstract:The process development for 2′F-thio-adenosine monophosphate, an intermediate for MK-1454, an immunooncology therapeutic, is described. Kinetic profiling, nuclear magnetic resonance monitoring, investigation of product decomposition pathways, and crystallization control identified important parameters for an efficient thiophosphorylation process. Among those identified parameters are the use of pivaloyl as the protecting group for the nucleoside starting material as well as the use of triethylphosphate as a gr… Show more
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