ChemInform Abstract: Regioselective Synthesis of Ceralure B1 and A, Ethyl cis-(and trans-) 5-Iodo-trans-2-methylcyclohexane-1-carboxylate.
Abstract
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ChemInform Abstract
Ring-opening of the lactone (II) by sodium iodide and trimethylsilyl chloride followed by ethanolysis of the resulting silyl ester affords a mixture of the two carboxylates (IV) and (V). Recent studies have shown that only the isomer (IV) is the most active attractant for medflies. The mixture might replace the commercially used attractant trimedlure which contains only 20-25% of active isomers.
