Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Gary A. Decrescenzo
John Robert Springer
Date of Patent
September 26, 2023
Patent Application Number
17533931
Date Filed
November 23, 2021
Patent Primary Examiner
Patent abstract
The present disclosure provides methods of synthesizing a compound of Formula (P)-I. The method proceeds through several different pathways including several novel chiral separations, a Sonogashira coupling, a zinc mediated reductive cyanation, as well as through various halide containing intermediates. Also disclosed is the multi-kilogram preparation of several novel intermediates.
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