Halogen Bond (XB) Promoted α-Tribromomethylation of N-Aryltetrahydroisoquinolines and Further Cyclization to 5,6-Dihydroindolo[2,1-a]isoquinolines

The Journal of Organic Chemistry
2023.0

Abstract

Using CBr(4) as a halogen bond donor and the source of tribromomethyl group, a halogen bond promoted tribromomethylation of N-aryltetrahydroisoquinolines was achieved. This reaction was also extended to the construction of the dibenzopyrrocoline alkaloid skeleton through a one-pot process. The mechanistic study confirmed the existence of the halogen bond.

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