Procedeu de preparare a amestecului de izomeri ai zipermetrinei sub forma de produs cristalin stabilizat

• Main Authors: HEGEDUS AGNES, RAPI ANDRAS, HIDASI GYORGY, BERTOK BELA, ZOLTAN SANDOR, SOMFAI EVA, SZEKELY ISTVAN, BOTAR SANDOR, HAJIMICHAEL JANIS, LAK ISTVAN, TARY MARIA, NAGY LAJOS, GAJARY ANTAL
• Format: Patent
• Language: Romanian
• Published: 30.09.1995
• Edition: 6
• Subjects: APPARATUS THEREFOR; CHEMISTRY; GENERAL METHODS OF ORGANIC CHEMISTRY; METALLURGY; ORGANIC CHEMISTRY

The invention is related to a method of obtaining a mixture of cypermethrin isomers in form of stabilised crystalline product with the formula:in which carbon atoms in position 1,3 and a are chiral carbon atoms, waved line indicates a cys-or transconfiguration in relation with cyclopropane ring, the...