1: di-tert-butoxy(cyclopropyl)silanol With boron trifluoride diethyl etherate 0.25 h; Inert atmosphere; 2: 1-bromo-4-methoxy-benzene With tetrakis(triphenylphosphine) palladium(0); tetrabutyl ammonium fluoride in tetrahydrofuran T=100°C; Hiyama-Denmark cross-coupling; 16 h; Inert atmosphere;