7a-(1-bromobutyl)-3a,7,7-trimethylhexahydrobenzofuran-2-one and 7a-bromo-3a,7,7-trimethyl-8-propylooctahydroisochromen-3-one antifeedant activity and a method for their preparation

摘要

the invention concerns? - bromo -? lactone of formula 1 and? - bromo -? lactone of formula 2, antyfidantnej activity, and how they receive. how to receive? - bromo -? lactone and? - bromo -? lactone, is that as a result of the single step reaction of 2 - (2 - butylideno - 1,3,3 - trimethylcyclohexyl) acetic acid in the reaction bromolaktonizacji is compound model 1 and model 2.these compounds may find use as a deterenty poisoning in relation to harmful insect species.