Annulation–retro-Claisen cascade of bifunctional peroxides for the synthesis of lactone natural products
作者:Qianlan Xu、Jialin Li、Xuemin Li、Lin Hu
DOI:10.1039/d1cc06207g
日期:——
annulation–retro-Claisen cascade, which involves the [4 + 1] or [5 + 1] annulation of α-benzoylacetates with bielectrophilic peroxides and a subsequent debenzoylation process under mild basic conditions, has been developed for the rapid construction of valuable tetrahydrofuran- and dihydropyran-2-carboxylates in good yields. By employing the new reaction, the unified total synthesis of γ- and δ-lactone