0.0833333 h; heating above 200 deg C;

sodium hydroxide in ethanol; water 1 h; Reflux;

NaOCH3 in ethanol; chloroform

1: 3-chloro-3-phenylprop-2-enenitrile With sodium sulfide in N,N-dimethyl-formamide T=20 - 70°C; 2.08333 h; 2: chloroacetonitrile in N,N-dimethyl-formamide T=60 - 70°C; 3: With sodium methylate in methanol; N,N-dimethyl-formamide T=60 - 70°C;

di(n-butyl)tin oxide in methanol 0.5 h; Heating;

in ethanol T=-78°C; 0.333333 h;

hydrogen sulfide in pyridine; triethylamine 1.) room temperature, 5 min; 2.) 60 deg C, 16 h, sealed vessel;