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A regioselective fluorocyclisation of β,γ‐unsaturated oximes through I(I)/I(III) catalysis is disclosed to generate 5‐fluoromethylated isoxazolines. The transformation leverages p‐iodotoluene as an inexpensive catalyst, Selectfluor® as the terminal oxidant and an amine⋅HF complex (1 : 7.5) as both the fluoride and Brønsted acid source. The λ3‐iodane p‐TolIF2, which is generated in situ, engages the...
1,2,4,5‐Tetrakis(trimethylsilylethynyl)benzene reacted with two molar equivalents of the boranes R−B(C6F5)2 (R=C6F5, Me, Ph) in a series of sequential 1,1‐carboboration reactions to give ca. 1 : 1 mixtures of the two‐fold benzannulated products, namely the respective C2h and C2v symmetric tetra‐silyl, bis‐boryl substituted anthracenes. Their active B(C6F5)2 substituents were used for consecutive Suzuki‐Miyaura...