Retraction notice to “Metal-catalyzed cyanation of aromatic hydrocarbon with less toxic nitriles as a cyano source” [Tetrahedron 76/40 (2020) 131388] (Tetrahedron (2020) 76(40), (S0040402020305500), (10.1016/j.tet.2020.131388))

This article has been retracted: please see Elsevier Policy on Article Withdrawal (https://www.elsevier.com/about/our-business/policies/article-withdrawal). This article has been retracted at the request of the Editor-in-Chief and Professor Zengming Shen. Professor Shen did not consent to being added as an author on this paper, they were not informed of the submission to Tetrahedron nor were they involved in the preparation or revision of this work. Our investigation showed that an incorrect email address for Professor Shen was used on submission hence they received no communication of the addition of their name to this article until after publication. It is the responsibility of the corresponding author to submit the correct authorship list on submission and to gain consent from these authors. As this was not done, we find that the author is in breach of our ethical policy and would like to retract the paper.