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1.
J Org Chem ; 81(13): 5775-81, 2016 07 01.
Artigo em Inglês | MEDLINE | ID: mdl-27267801

RESUMO

Previous work on the o-hydroxychalcone/flavanone molecular switching scaffold showed that simple substitutions alter the pH range in which rapid interconversion occurs. Herein, more impactful structural modifications were performed via alteration of the characteristic phenyl rings to alternative aromatic systems. It was determined that the scaffold was still viable after these changes and that the range of accessible midpoint pH values was markedly increased. To further explore the switch's scope, scaffolds able to have multiple switching events were also investigated.

2.
Org Biomol Chem ; 12(28): 5108-14, 2014 Jul 28.
Artigo em Inglês | MEDLINE | ID: mdl-24796600

RESUMO

The effect of aryl substitution on various aspects of the interconversion of ortho-hydroxychalcones and flavanones has been studied using multiple spectroscopic techniques. Derivatization of the core scaffold predictably alters the midpoint pH of this equilibration process suggesting its viability for application as a functional colorimetric molecular switch.

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