sodium hydroxide; tetrabutylammomium bromide in toluene T=25 - 60°C; 4.16667 - 6.16667 h;

1: α,α-diphenylacetonitrile With potassium hydroxide in N,N-dimethyl-formamide 2 h; 2: (+)-3-chloro-1-(toluene-4-sulfonyl)-pyrrolidine in N,N-dimethyl-formamide T=95 - 100°C; 5 h;

1: With hydrogen bromide; phenol in water 3 h; Heating / reflux; 2: With sodium hydroxide in water pH=9;