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Over the past 2000 years, tuberculosis (TB) has been responsible for more deaths than any other infectious disease. In recent years, there has been a recovery of research and development (R&D) efforts focused on TB drugs. This is driven by the pressing need to combat the global spread of the disease and develop improved therapies for both drug-sensitive and drug-resistant strains. Many new TB drug candidates have recently entered clinical trials, marking the beginning of a rebirth in this area after decades of neglect. The problem is that very few of the hundreds of compounds identified each year as potential anti-TB drugs really make it to the clinical development stage. This perspective focuses on the primary obstacles and approaches involved in the development of new medications for TB. This will help medicinal chemists better understand TB drug challenges and develop novel drug candidates., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2024 Elsevier Ltd. All rights reserved.)

Natural products have been the most important sources of chemically diverse raw materials that have inspired pharmaceutical discoveries over the past few decades. Many pharmaceutical companies are utilizing plant extracts to develop relatively crude therapeutic formulations. The interesting chemicals identified as natural products are derived from the phenomenon of biodiversity, where the interactions between the organisms and their environment formulate the diverse and complex chemical entities within them that enhance their survival and competitiveness. Marine sponges are rich sources of natural products and have provided an infinite supply of bioactive metabolites. Bromopyrrole alkaloids are a good example of marine metabolites, have a broad range of biological activity, and represent a fascinating example of chemical diversity of secondary metabolites elaborated by marine invertebrates. The isolation and synthesis of this structural class have been investigated, resulting in a series of bromopyrrole alkaloids with potential lead hits. This review presents the detailed isolation and anticancer activity of marine bromopyrrole alkaloids, and will be of interest to the wider research community both in academic and industrial settings., Competing Interests: Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2022 Elsevier Ltd. All rights reserved.)