Amide Activation in Ground and Excited States

Overview

Journal Molecules

Publisher MDPI

Specialty Biology

Date 2018 Nov 8

PMID 30400217

Citations 14

Authors

Ervin Kovacs

Balazs Rozsa

Attila Csomos

Imre G Csizmadia

Zoltan Mucsi

Affiliations

Soon will be listed here.

Abstract

Not all amide bonds are created equally. The purpose of the present paper is the reinterpretation of the amide group by means of two concepts: amidicity and carbonylicity. These concepts are meant to provide a new viewpoint in defining the stability and reactivity of amides. With the help of simple quantum-chemical calculations, practicing chemists can easily predict the outcome of a desired process. The main benefit of the concepts is their simplicity. They provide intuitive, but quasi-thermodynamic data, making them a practical rule of thumb for routine use. In the current paper we demonstrate the performance of our methods to describe the chemical character of an amide bond strength and the way of its activation methods. Examples include transamidation, acyl transfer and amide reductions. Also, the method is highly capable for simple interpretation of mechanisms for biological processes, such as protein splicing and drug mechanisms. Finally, we demonstrate how these methods can provide information about photo-activation of amides, through the examples of two caged neurotransmitter derivatives.

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