sodium hydroxide

methanol; benzaldehyde; 1,3-bis(2,4,6-trimethylphenyl)imidazolinium chloride; triethylamine T=25°C; Cannizzaro type reaction; 5 h; Inert atmosphere; regioselective reaction;

sulfuric acid in water T=20°C; 15 h;

1: 2-(4'-hydroxyphenyl)-2-hydroxyethanoic acid With N-ethyl-N,N-diisopropylamine in N,N-dimethyl-formamide T=0°C; 0.166667 h; 2: methyl iodide in tert-butyl methyl ether; N,N-dimethyl-formamide T=0 - 20°C; 24 h; Product distribution / selectivity;

toluene-4-sulfonic acid Heating;

sulfuric acid; sodium nitrite Diazotization.anschliessendes Erwaermen mit wss. CuSO4;