Fig. 1: Motivation and conceptual framework for the study.
From: Regioselective fluorination of allenes enabled by I(I)/I(III) catalysis

A Selected examples of bioactive small molecules that contain secondary and tertiary propargylic fluoride units. B Bioisosteric relationship of propargylic fluorides and alcohols. C Stoichiometric geminal difluorination of allenes. D Reaction blueprint to enable catalysis-based regioselective fluorination of allenes.