Tandem Catalysis: From Alkynoic Acids and Aryl Iodides to 1,2,3-Triazoles in One Pot
journal contributionposted on 15.04.2011 by Andrej Kolarovič, Michael Schnürch, Marko D. Mihovilovic
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A tandem catalysis protocol based on decarboxylative coupling of alkynoic acids and 1,3-dipolar cycloaddition of azides enables a highly efficient synthesis of a variety of functionalized 1,2,3-triazoles. The three-step, one-pot method avoids usage of gaseous or highly volatile terminal alkynes, reduces handling of potentially unstable and explosive azides to a minimum, and furnishes target structures in excellent yields and a very good purity without the need for additional purification.