a brief review on exceedingly rare n, n’-bisindole

The scope of the present review article is associated with diverse synthetic protocols and significance of n,n′-linked bisindole core. the chemistry involved in making of this type of extremely rare heterocycle always of high significance for the chemists in the field of synthetic chemistry as well as in natural products. the interest becomes need when the motif exists in some bioactive natural products. a detailed discussion has been confined to the literature published till september 2022. to our knowledge, this is the first review article on n,n′-bisindole motif.