<abstract abstract-type="main" xml:lang="en"> <title>Abstract</title> <p>The dehydration of N‐formylglycine (I) with triphosgene in a continuous flow reactor leads to a stream of ethyl isocyanoacetate, which reacts with in situ generated diazonium salts to afford desired 1, 2, 4‐triazoles.</p> </abstract>