作者:Hiroaki Miyaoka、Yasunori Abe、Nobuaki Sekiya、Hidemichi Mitome、Etsuko Kawashima
DOI:10.1039/c1cc16468f
日期:——
Total synthesis of antimalarial diterpenoid (+)-kalihinol A, isolated from marine sponge Acanthella sp., is achieved. This total synthesis involves regioselective alkylation of an epoxide, construction of a tetrahydropyran ring by iodo-etherification, construction of a cis-decalin ring by intramolecular Diels-Alder reaction, isomerization of cis-decalin to trans-decalin, and subsequent functionalization
从海洋海绵Acanthella sp。分离出的抗疟疾二萜(+)-kalihinol A的全合成得以实现。该总合成涉及环氧化物的区域选择性烷基化,通过碘醚化构建四氢吡喃环,通过分子内Diels-Alder反应构建顺式十氢化萘环,顺式十氢化萘异构化为反式十氢化萘以及随后的反式官能化-十氢化萘环。