Royal Society of Chemistry, Chemical Communications, 50(54), p. 6808-6811
DOI: 10.1039/c8cc01529e
Full text: Unavailable
The reactions of 9-borafluorenes with organic azides result in either the insertion of the α-nitrogen and elimination of N2 or the insertion of the γ-nitrogen to generate the corresponding phenanthrene analogues with boron and nitrogen in the 9- and 10-positions, respectively.