Affiliation:
1. Laboratory of Medicinal and Advanced Synthetic Chemistry (Lab MASC) Department of Pharmaceutical Sciences University of Perugia 06122 Perugia Italy
2. Van' t Hoff Institute for Molecular Sciences (HIMS-Biocat) University of Amsterdam 1098 XH Amsterdam The Netherlands
Abstract
AbstractSince their structural elucidation in 1935, the introduction and substitution of functional groups and the modification of the steroidal scaffolds have been a fertile ground of research for synthetic and medicinal chemists. The discovery of steroids with hormonal and pharmacological activity has stimulated tremendous efforts to the development of highly selective and efficient synthetic procedures. Despite the progress made, steroid chemistry remains challenging and the preparation of steroidal compounds of pharmaceutical interests and in clinical practice, often requires long and elaborated synthesis. In recent years, a new impetus in the field came with the advent of enabling chemical technologies, such as continuous flow chemistry, which are exploited to overcome problems that arise from batch synthesis. Although it is still a niche sector, the use of flow technology in steroid synthesis and functionalization holds the premise to empower methodology development and to provide innovative tactics also for many hitherto uncharted chemistries. In this review, scientific contributions are reported and discussed in terms of flow set‐up and advantages offered concerning process efficiency, optimization, waste minimization, safety improvement, easy scale‐up and costs. We also highlight the main challenges, key improvements and the future trajectory in the application of continuous flow chemistry and its implementation to different disciplines such as photochemistry and biocatalysis with the ultimate goal of streamlining steroid synthesis.
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