Molbank (Apr 2020)
Improved Synthesis and Determination of the Biologically Active Diastereomer of YK11
Abstract
The palladium catalyzed carbonylation of 1 using the chiral ligand L1 afforded 2 in a highly diastereoselective manner. The stereochemistry of the major diastereomer 2a was determined by X-ray crystallographic analysis. AR luciferase reporter assay studies suggested that 2a was the active constituent of YK11 (2).
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