Abstract
Chemists working in a pilot plant often face safety issues during scale-up operations. With the help of emerging microfluidic applications and microdevices, running hazardous, highly exothermic or potentially unstable reactions can be easily transposed into a safe continuous flow mode. This paper describes how a potentially hazardous pyrazole nitration and the bromination of a variety of electron-rich heteroaromatic substrates were efficiently performed using a cheap and easily available system for bench chemists. Advantages of the continuous flow mode in organic synthetic chemistry will be exemplified by the large-scale production of raw materials under safe, green and reproducible conditions.
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