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More Eco-Friendly Methods for Integrating Chlorine into Chemical Building Blocks

Description

Elements are fundamental to our lives, existing in various forms and fulfilling diverse roles. Each element offers unique possibilities, and depending on its use or combination with others, can present significant risks to human health and safety throughout its various stages of its lifecycle. Chlorine is a prime example of an element with this high versatility. It is indispensable in everyday applications, from sanitizing pools and purifying drinking water to preserving food, providing essential benefits to public health and safety. Chlorine also helps advance the innovation and production of plastics, medications, pesticides, and other products. As we continue to seek safer and more sustainable product design and creation processes, the demand for improved methods of incorporating chlorine into chemical processes has driven researchers to develop more efficient, eco-friendly alternatives to traditional chlorine bonding techniques.

The breakthrough, published in Nature Synthesis, introduces a process that allows chlorine to be added to organic molecules using a gentler process. The technique involves using mild blue light to activate special catalysts made of iron and sulfur, which helps introduce chlorine without the need for the harsh chemicals or high temperatures that are typically used in traditional chlorination. By avoiding extreme conditions, this new process generates fewer unwanted byproducts, providing a safer, more efficient way to produce chlorine-based materials. The use of gentle blue light at room temperature also makes this process more cost-effective. 

Other advantages of using this method include its precision which ensures that chlorine atoms are attached to less-reactive parts of the molecules, creating highly pure products, avoiding the need for additional purification steps typically used after chlorine bonding. By incorporating deuterium, a stable hydrogen isotope, the processes also offers increased stability. This stability can be monumentally helpful in processes such as medication manufacturing, where certain drugs, could potentially be made more effective and having longer-lasting effects in the body.

This innovative chlorination method has the potential to revolutionize the production of chlorine-based materials, opening doors to safer, more efficient drug manufacturing and other chemical applications. By offering a sustainable, eco-friendly alternative to conventional methods, this development demonstrates the transformative power of green chemistry to reduce the environmental impact of industrial processes.

 

https://www.nature.com/articles/s44160-024-00698-z 

Type of Announcement
Submitting Organization
Center for Green Chemistry and Green Engineering at Yale
Picture by Canva, pool.