Correction to: Nature Chemistry https://doi.org/10.1038/s41557-021-00825-9, published online 29 November 2021

In the version of this article initially published, there were errors in Fig. 3b,c. In each of the structures to the right of the reaction arrows, the central triazole ring was drawn in the wrong orientation. These structures have now been corrected in the HTML and PDF versions of the article.