1: 5-chloro-8-hydroxy-quinoline With sodium hydroxide in 1-methyl-pyrrolidin-2-one; toluene T=45 - 85°C; 2: chloroacetic acid 1-methylhexyl ester With potassium carbonate in 1-methyl-pyrrolidin-2-one T=85 - 95°C; 4 h;