A Study of the Metabolic Degradation of an insect juvenile hormone analog using different radiolabeling

The fate of an insect juvenile hormone analog applied to the insect body of the flesh fly ( Sarcophaga bullata ) or the tsetse fly ( Glossina palpalis ), respectively, was studied using three different radiolabeled positions in the parent biologically active compound 1 . Several metabolites were found and analyzed. A mechanism of degradation of the applied molecule was designed using a combination of several radioanalytical methods. A unique monitoring of the applied compound and its metabolites was provided, based on the different radiolabeling of the structure ( cf. 1a – 1c ), and established their fate in an insect body during a 10‐day experiment. A 14 C and 3 H radiolabeling, respectively, was employed to synthesize three different radiolabeled forms 1a – 1c derived from the parent non‐labeled 1 . A combination of three different ways of radiolabeling resulted in an advantage in tracing the metabolic pathway of degradation of the employed compound 1 in its radiolabeled forms 1a – 1c .