1: 3-phenylpropyl 2,4,6-triisopropylbenzoate With N,N,N',N,-tetramethylethylenediamine; sec.-butyllithium in diethyl ether; hexane; cyclohexane T=-78°C; 1 h; Inert atmosphere; 2: 4,4,5,5-tetramethyl-[1,3,2]dioxaborolane in diethyl ether; hexane; cyclohexane T=-78 - 20°C; 2 h; Inert atmosphere;