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Developing a Feeding Assay System for Evaluating the Insecticidal Effect of Phytochemicals on Helicoverpa armigera
Published on: May 26, 2023
Enantiospecific synthesis and insect feeding activity of sulfur-containing cyclitols
Ana Bellomo1, Soledad Camarano, Carmen Rossini
1Laboratorio de Síntesis Orgánica, D.Q.O, Fac. de Química, Univ. de la República, C.C. 1157 Montevideo, Uruguay.
Abstract:
The first syntheses of two deoxythiocyanocyclitols (4-deoxy-4-thiocyano-L-chiro-inositol and deoxythiocyanoconduritol F) and two deoxysulfonylcyclitol acetals are reported by a chemoenzymatic enantioselective route. The compounds were prepared by a sequence of enzymatic and ruthenium-catalyzed dihydroxylations, and the results were studied regarding reaction conditions and co-catalyst for different derivatives. The new compounds were included in a minilibrary of deoxygenated cyclitols and evaluated for their capacity to influence the feeding behavior of Epilachna paenulata (Coleoptera: Coccinellidae), a common pest of the Curcubitaceae crops.
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