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Camptothecin (CPT) and its derivatives comprise an important group of heterocyclic compounds that are well recognized for their anticancer activities. Efforts have been made over the years aiming to develop new CPT analogs with better clinical efficacy, improved pharmacokinetic profile and lower toxicity. First generation of analogs, irinotecan (CPT-11) and topotecan (TPT) was approved for use by FDA in 1996 for the treatment of colorectal (CPT-11) and cervical, ovarian and small lung cancers (TPT). Other analogs of CPT are currently in different phases of clinical trials. As CPT represents an important lead compound in the field of antitumor- research, in this review we will highlight some recent discoveries (2008-2013) on the development of novel camptothecin-based compounds as potential anticancer agents.

: Quinoline and its derivatives comprise an important group of heterocyclic compounds that exhibits a wide range of pharmacological properties such as antibacterial, antiviral, anticancer, antiparasitic, anti-Alzheimer and anticholesterol. In fact, the quinoline nucleus is found in the structure of many drugs and in rational design in medicinal chemistry for the discovery of novel bioactive molecules. Persistent efforts have been made over the years to develop novel congeners with superior biological activities and minimal potential for undesirable side effects. This review highlights some discoveries on the development of quinoline-based compounds in recent years (2013-2019) focusing on their biological activities, including anticancer, antitubercular, antimalarial, anti-ZIKV, anti-DENV, anti-Leishmania and anti-Alzheimer’s disease.

Abstract:Benzoic acid is a compound of industrial and synthetic interest. It has wide application in the food industry and are used, for example, in the production of preservatives. In the materials industry also participates to obtain nylon. This paper presents the main process of industrial synthesis of benzoic acid and some reactions involving this substance in addition to its applications and toxicity.

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