Solid Decolorization: Dismantling of an Orange‐Red Zwitterionic Cocrystal by Multicomponent Milling
Advanced Optical Materials（2024）
Univ Iowa | Rigaku Amer Corp
Abstract
An application of multi-component milling is described to achieve a decolorization by dismantling the orange-red zwitterionic cocrystal (PDA)center dot(APAP) (where PDA = 2,4-pyridinedicarboxylic acid, APAP = acetaminophen) using n,n '-BPE (BPE = trans-1,2-bis(n-pyridylethylene and for n = n ' = 3 or 4). Each of n,n '-BPE forms a colorless hydrogen-bonded cocrystal with PDA. Decolorization-ubiquitous in synthetic chemistry and materials science-is achieved with a solid sample through multi-component milling and an orange-red binary cocrystal with the generation of solid mixtures. image
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Key words
crystal engineering,hydrogen bonds,mechanochemistry,cocrystals,organic solid state
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