1: hex-1-yne With n-butyllithium in diethyl ether; hexane T=-78°C; 1 h; Inert atmosphere; 2: 2-isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane in diethyl ether; hexane T=-78°C; 2 h; Inert atmosphere; 3: With hydrogenchloride in diethyl ether; hexane; water

C31H43IrN2Si in benzene-d6 T=20°C; 0.216667 h; GloveboxInert atmosphere; chemoselective reaction;

[Pt(PPh3)4] in toluene (N2); addn. of 1-hexynylpinacolatoborane in react. mixt. of Pt(PPh3)4 and bis(pinacolato)diborane(4) in dry toluene; stirring overnight at 80°C;

1: in tetrahydrofuran T=45°C; Cycloaddition; 16 h; 2: With ammonium cerium(IV) nitrate; water; nitric acid in diethyl ether Oxidation;

1: in tetrahydrofuran T=65°C; Cycloaddition; 16 h; 2: With ammonium cerium(IV) nitrate; water; nitric acid in diethyl ether Oxidation;

in tetrahydrofuran T=45°C; Cycloaddition; 16 h;