Scheme 16. (A) Dehalogenation Reaction Studied by Troian-Gautier and Co-Workers; R3N = Amine Used as Sacrificial Reductant. (B) Follow-up Dehalogenation/Cyclization Reaction by Troian-Gautier and Co-Workers. (C) General Mechanism of the HAT Reaction.
Adapted with permission from refs (84) (Copyright 2021 ACS) and (85) (Copyright 2021 RSC).