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We present an enantioselective synthesis of cis-fused tricyclic 1-tetralones via oxidative kinetic resolution in the presence of cumene hydroperoxide (CHP) and guanidine–bisurea bifunctional organocatalyst. This reaction affords the corresponding α-hydroxylation… Click to show full abstract
We present an enantioselective synthesis of cis-fused tricyclic 1-tetralones via oxidative kinetic resolution in the presence of cumene hydroperoxide (CHP) and guanidine–bisurea bifunctional organocatalyst. This reaction affords the corresponding α-hydroxylation products together with unreacted tetralones in good to high enantioselectivity, with s values as high as 42. The reaction was successfully applied for the synthesis of the core structure of a kainoid derivative, 4-(2-methoxyphenyl)-2-carboxy-3-pyrrolidineacetic acid (MFPA).
Journal Title: Synlett
Year Published: 2017
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