Department of Pharmacy and Health and Nutrition Sciences, Department of Excellence L. 232/2016, Edificio Polifunzionale, Università della Calabria, 87036, Rende, CS, Italy.
Faculty of Pharmacy, Ovidius, University Constanta, Str. Cpt. Av. Al. Serbanescu, Campus Corp C, Constanta, Romania.
Org Biomol Chem. 2022 Feb 9;20(6):1137-1149. doi: 10.1039/d1ob01814k.
The formation of the amide bond is among the most commonly performed transformations in the pharmaceutical industry and the wider chemical industry. The current methods for its installation in organic compounds frequently rely on the use of large amounts of organic solvents, mainly -dimethylformamide (DMF), -methylpyrrolidone (NMP), and dichloromethane (DCM), which have been associated with adverse environmental and health concerns over the last decades. This fact led academia and industry to make significant efforts toward the development of synthetic routes with the aim to avoid, reduce or replace the use of hazardous solvents. The present review fits into this framework and discusses the literature existing over the past ten years on strategies for reducing and replacing hazardous solvents, focusing on the use of biobased and neoteric solvents, such as ionic liquids and deep eutectic solvents (ILs and DESs, respectively), and on the reaction media that proved to be greener alternatives for amide bond formation.
酰胺键的形成是制药工业和更广泛的化学工业中最常见的转化之一。目前在有机化合物中安装酰胺键的方法通常依赖于大量有机溶剂的使用,主要是二甲基甲酰胺(DMF)、N-甲基吡咯烷酮(NMP)和二氯甲烷(DCM),这些溶剂在过去几十年中与环境和健康方面的不利问题有关。这一事实促使学术界和工业界为开发合成路线做出了重大努力,旨在避免、减少或替代使用危险溶剂。本综述符合这一框架,讨论了过去十年中关于减少和替代危险溶剂的策略的文献,重点讨论了生物基和新型溶剂的使用,如离子液体和深共熔溶剂(分别为 IL 和 DES),以及被证明是酰胺键形成更环保替代物的反应介质。
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