Figure 2
Chemical structure of reference compounds. 9-[(E)-2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)ethenyl]-9H-carbazole, 2 (Hatayama & Okuno, 2012), 3-(2H-1,3,2-benzodioxaborol-2-yl)-1-methyl-1H-indole, 3 (Liu et al., 2017), 1-{(Z)-2-[bis(pentafluorophenyl)boranyl]prop-1-en-1-yl}-2,2,6,6-tetramethylpiperidine, 4 (Wang et al., 2018) and N-[(Z)-2-(2H-1,3,2-benzodioxaborol-2-yl)-2-phenylethenyl]-N-(propan-2-yl)propan-2-amine, 5 (CCDC 1997665). |