1: o-(benzyldimethylsilyl)benzyl alcohol With n-butyllithium in hexanes; diethyl ether T=0°C; 0.5 h; Inert atmosphere; 2: benzophenone in hexanes; diethyl ether T=0 - 20°C; 3.5 h; Inert atmosphere;

1: o-(benzyldimethylsilyl)benzyl alcohol With n-butyllithium in hexanes; diethyl ether T=0°C; 0.5 h; Inert atmosphere; 2: benzaldehyde in hexanes; diethyl ether T=20°C; 3.5 h; Cooling with iceInert atmosphere;