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A simple and convenient method was developed for the introduction of a 2,2,2‐trifluoroethoxy group to various aromatic and heteroaromatic systems. The novel process utilizes aromatic chlorides as substrates, and tetrakis(2,2,2‐trifluoroethoxy) borate salt as an inexpensive and readily available fluoroalkoxy source in a palladium‐catalyzed cross‐coupling reaction. The power of the developed methodology...