First Total Synthesis of (±)-Kenusanone B

Li Xiao National Laboratory of Applied Organic Chemistry and Institue of Organic Chemistry, Lanzhou University, Lanzhou, 730000, P. R. China

Wenfei Tan National Laboratory of Applied Organic Chemistry and Institue of Organic Chemistry, Lanzhou University, Lanzhou, 730000, P. R. China

Yulin Li National Laboratory of Applied Organic Chemistry and Institue of Organic Chemistry, Lanzhou University, Lanzhou, 730000, P. R. China

Abstract

The first total synthesis of a natural prenylflavanone, (±)-kenusanone B (1) has been achieved by condensation of acetophenone 4 and benzaldehyde 6 followed by cyclization and deprotection. Chloromethyl methyl ether was used as a facile protecting reagent of free hydroxy groups for the synthesis of polyhydroxylated flavanones.

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First Total Synthesis of (±)-Kenusanone B

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First Total Synthesis of (±)-Kenusanone B

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