1: phenylacetylene With n-butyllithium in tetrahydrofuran T=0°C; Inert atmosphere; 2: chloroacetic acid N-methyl-N-methoxy-amide in tetrahydrofuran T=0°C; Inert atmosphere; 3: With hydrogenchloride in tetrahydrofuran; water

1: With methyl lithium LiBr complex in tetrahydrofuran; diethyl ether T=-78°C; 1.08333 h; Inert atmosphere; 2: With ammonium chloride in tetrahydrofuran; diethyl ether; water T=-78°C; chemoselective reaction;

aluminium trichloride in carbon disulfide

diethyl ether