https://pmc.ncbi.nlm.nih.gov/articles/PMC8482774/
Access to Indole-Annulated Medium-Sized Lactams through Protonation/Deuteration-Induced...
A protocol has been developed to access indole-annulated eight- and nine-membered lactams through protonation-induced ring-opening of spiroindolines, which are...
access toindoleannulatedmedium