M. El‐Gamal, Hanan S. Anbar
Jan 27, 2017
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Expert Opinion on Therapeutic Patents
Abstract
ABSTRACT Introduction: Several pyrrolopyridines or azaindoles have been reported in the literature as biologically-active molecules. Most of them are anticancer agents, and few possess other therapeutic effects. Areas covered: The most recent biologically-active pyrrolopyridine derivatives have been reviewed from the patents and research articles published from 2010 to the mid of 2016. Their structural and biological features have been explained. In general, the pyrrolopyridine scaffold mimics the purine ring of the ATP molecule. So the well-designed pyrrolopyridine analogues can successfully act as kinase inhibitors for treatment of cancer and/or other diseases. The most successful pyrrolopyridine derivative that is currently used in the market is vemurafenib, which is used for treatment of melanoma. Its chemical and biological features have been reviewed and explained. Expert opinion: The heterocyclic pyrrolopyridine nucleus mimics the purine ring of ATP. So they can work as inhibitors of the kinase at hinge region. Due to the structural similarity with ATP, these pyrrolopyridine derivatives are estimated to be non-selective kinase inhibitors. The selectivity is conferred mainly from the different substituents attached to the azaindole nucleus. More details are presented in the ‘Expert Opinion’ section at the end of this article. This section covers the chemistry and the biological properties of therapeutically-efficient pyrrolopyridine-possessing compounds.