Mitiglinide-Regio isomer
Mitiglinide-Regio isomer is a structural analog of the antidiabetic drug Mitiglinide, featuring a regioisomeric shift in the position of the hydroxyl substituent on the aromatic ring. This isomer retains the core butyrolactone-guanidine pharmacophore but exhibits altered spatial orientation of the hydroxyl group, leading to distinct physicochemical properties. The compound contains an ester, guanidine, and secondary amine functional groups, with stereochemical differences affecting H-bonding potential and metabolic stability. It arises as a synthetic byproduct during Mitiglinide production due to competing electrophilic substitution pathways. This isomer serves as a critical HPLC reference standard for impurity profiling in quality control of Mitiglinide APIs.
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