1: 3-methoxymethoxy-5-methylphenylacetonitrile With sodium hydroxide; ethanol; water T=20°C; 2 h; Heating / reflux; 2: With hydrogenchloride; water in ethanol 3: methanol With sulfuric acid 1 h; Heating / reflux;

potassium hydroxide in ethanol; water 5 h; Reflux;

1: water; dimethyl sulfoxide / 20 °C 2: potassium hydroxide / ethanol; water / 5 h / Reflux View Scheme

1: 1H-imidazole / N,N-dimethyl-formamide 2: N-bromosuccinmide; 2,2'-azo-bisisobutyronitrile / tetrachloromethane / 5 h / Reflux 3: water; dimethyl sulfoxide / 20 °C 4: potassium hydroxide / ethanol; water / 5 h / Reflux View Scheme