Synonyms:Magnesium, bromo(4-methylpentyl)-;DTXSID80455377
The research focuses on the synthesis and bioassay of monofluorinated cholesterols as potential inhibitors of hydroxylation events in ecdysone biogenesis, a key process in insect molting. The study involves the preparation of C-20, C-22, C-24, and C-25 monofluorinated cholesterols, with the aim of disrupting specific hydroxylations in the cholesterol side chain that are crucial for ecdysone production. The chemicals used in the research include various reagents such as isohexylmagnesium bromide, diethylaminosulfur trifluoride (DAST), and p-toluenesulfonic acid (TsOH) for synthesis, as well as solvents like tetrahydrofuran (THF) and methylene chloride. The study also involves the use of radioactive labeling with [26-14C] for metabolic studies. The bioassays conducted on Manduca sexta larvae showed that while most monofluorinated compounds had little effect on larval growth and development, the 24-fluorocholesterol isomer caused significant growth retardation and increased mortality.
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