PROCEDURE FOR THE OBTAINING OF PIRETROIDS AND THEIR USE FOR THE FIGHT AGAINST PESTS.

摘要

BENZYL ESTERS OF FORMULA I IN WHICH R1 IS METHYL, ETHYL, HAL "GENE, METOXI OR ETOXI, R (SQUARE) IS ALKYL, ALKYNYL, CYCLOALKYL (SUBSTITUTED IN CASE BY C1 - C5 - ALKYL), CYCLOALKYL OZYL. BICICLOALQUENILO, R3 IS HYDROGEN, CIANO, C2 C4 - ALQUINILO, C2 - C4 - ALQUENILO OR C1 - C4 - ALQUILO, A REPRESENTS THE REST CARBOXYLATE OF A TYPICAL ACID COMPONENT IN PIRETROIDAS, AND X IS HYDROGEN WITH LAGO TO THE SQUARE) DO NOT BE THE REST CH2 - CH = CH - B WHEN B IS HYDROGEN, RENT OR ALKYLENE AND R1 REPRESENTS METHYL OR HALOGEN, AS WELL AS THE CONDITION THAT R (SQUARE) IS NOT METHOD WHEN R1 IS ALSO THE PRODUCTION OF THESE COMPONENTS AND THEIR USE IN THE ANTIPARASITIC FIGHT, AS WELL AS PREVIOUS PRODUCTS FOR THE OBTAINING OF BENZYL ESTERS, ARE DESCRIBED.