12-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)naphtho[1,2-b]benzofuro[3,2-g]benzofuran 1g

12-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)naphtho[1,2-b]benzofuro[3,2-g]benzofuran 1g