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The compounds are stabilisers for polymeric materials, which intensively absorb light in its UV range. They have the following general formula:<IMAGE>where X represents -H or -Cl. According to the method, after diazotisation, the respective O-aminophenol is combined with phenylenediamine. The produced derivative is transformed into benzotriazole (by using familiar methods), which is acylated with 2-allyloxy-4,6-dichlorotriazine at 35-40 degrees C and pH of 7 to 9 in organic solvent medium.
BG9418591A1991-04-031991-04-03Unsaturated esters of 1, 3, 5- triazene and method for their obtaining
BG51203A1
(en)