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Recently Adopted Synthetic Protocols for Piperazines: A Review
- Source: Letters in Organic Chemistry, Volume 22, Issue 2, Feb 2025, p. 92 - 101
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- 11 Mar 2024
- 07 Jun 2024
- 19 Jul 2024
Abstract
Piperazines, a class of heterocyclic compounds, have garnered significant attention in the field of organic synthesis due to their diverse pharmacological activities and widespread applications in medicinal chemistry. This review provides a comprehensive overview of the recent advancements in the synthesis of piperazines, highlighting innovative methodologies, novel reagents, and green synthesis approaches adopted by researchers. The synthesis of piperazines has witnessed remarkable progress, with a focus on developing efficient and sustainable synthetic routes. Various strategies, such as transition-metal-catalyzed reactions, microwave-assisted synthesis, photo-redox reactions, and bio-inspired methods, have emerged as powerful tools for constructing piperazine scaffolds. The review also encompasses discussions on the stereochemistry and regioselectivity issues associated with piperazine synthesis, shedding light on the intricacies of achieving specific substitution patterns. The impact of newly synthesized piperazines in drug discovery and development is also explored, emphasizing the therapeutic potential of these compounds in various disease areas. In conclusion, this review provides a comprehensive and up-to-date account of the recent advancements in piperazine synthesis, offering insights into the current state of the field and guiding future research directions. The integration of innovative methodologies and the exploration of sustainable practices underscore the ongoing efforts to streamline the synthesis of piperazines, contributing to the expansion of their applications in medicinal chemistry and related disciplines.