Diagnosing Methanol-to-Ethanol Solvent Incompatibility in Pd/C Nitro-Reduction Formulations
Switching from methanol to ethanol in palladium-on-carbon hydrogenation protocols requires precise adjustment of solvent polarity and catalyst wetting dynamics. Methanol’s lower boiling point and higher dielectric constant often mask solubility limitations of the 2'-Hydroxy-3'-nitro-[1,1'-biphenyl]-3-carboxylic acid intermediate during the initial charging phase. When
