toluene-4-sulfonic acid; aluminium; nickel dichloride 1) THF; Yield given. Multistep reaction. Yields of byproduct given;

toluene-4-sulfonic acid; aluminium; nickel dichloride 1) THF; Yield given. Multistep reaction. Yields of byproduct given;

1: methylmagnesium bromide With copper(l) iodide in tetrahydrofuran; diethyl ether T=0°C; 0.5 h; Inert atmosphere; 2: epoxy-4,5 pentanoate de methyle in tetrahydrofuran; diethyl ether T=-30°C; 2 h; Inert atmosphere; 3: With ammonium chloride in tetrahydrofuran; diethyl ether; water

1: methyllithium With copper (I) cyanide in tetrahydrofuran; diethyl ether T=0°C; 0.5 h; Inert atmosphere; 2: epoxy-4,5 pentanoate de methyle in tetrahydrofuran; diethyl ether T=-30°C; 2 h; Inert atmosphere; 3: With ammonium chloride in tetrahydrofuran; diethyl ether; water

1: n-butyl-magnesium chloride With copper (I) cyanide in tetrahydrofuran T=0°C; 0.416667 h; Inert atmosphere; 2: epoxy-4,5 pentanoate de methyle in tetrahydrofuran T=0°C; 1 h; Inert atmosphere; 3: With ammonium chloride in tetrahydrofuran; diethyl ether; water

in methanol T=20°C; 0.333333 h; Inert atmosphere;

T=140°C; 10 h;

T=0°C; Behandeln des Reaktionsgemisches mit Kohlendioxyd;