Corrigendum to “Synthesis and use of a cost-effective, aqueous soluble diazo transfer reagent – m-carboxybenzenesulfonyl azide” [Tetrahedron Lett. 60 (1) (2019) 35–39] (Tetrahedron Letters (2019) 60(1) (35–39), (S0040403918313984), (10.1016/j.tetlet.2018.11.051))

The authors of this paper regret that since the publication of this paper, it has come to their attention that use of m-carboxybenzenesulfonyl azide as a diazo transfer agent was reported by Moreau and Sorensen [1] and subsequently employed by others. Accordingly, in the first page of the paper, second column, the sentence The related compound, m-carboxybenzenesulfonyl azide (m-CBSA), however, has not been previously described as a diazo transfer reagent but attracted our interest due to its potentially similar safety profile, along with the likely aqueous solubility of both the compound itself and its sulfonamide by-product. should read The related compound, m-carboxybenzenesulfonyl azide (m-CBSA), attracted our interest due to its potentially similar safety profile, along with the aqueous solubility of both the compound itself and its sulfonamide by-product. and immediately under Table 2 the sentence While m-CBSA 2 has been previously prepared from the corresponding sulfonyl fluoride [20] its use as a diazo transfer reagent has not been previously described to the best of our knowledge. should read While m-CBSA 2 has been previously prepared [20] and employed as a diazo transfer reagent in organic media, (1) its use as a diazo transfer reagent in aqueous media has not been previously described to the best of our knowledge. The authors would like to apologise for any inconvenience caused.