triethylamine in dichloromethane 24 h; Heating;

1: 1-(p-tolylsulfinyl)ethyl N,N-diisopropylcarbamate; isopropylmagnesium chloride in tetrahydrofuran T=20°C; 0.0166667 h; Inert atmosphere; 2: methyl chloroformate in tetrahydrofuran T=20°C; 0.0833333 h; Inert atmosphere;

1: N,N-diisopropyl-carbamic acid 3-phenyl-propyl ester With N,N,N',N,-tetramethylethylenediamine; sec.-butyllithium in diethyl ether; hexane; cyclohexane T=-78°C; 5 h; Inert atmosphere; 2: 4,4,5,5-tetramethyl-[1,3,2]dioxaborolane in diethyl ether; hexane; cyclohexane T=-78°C; 12 h; Inert atmosphereReflux;