(+)-Ipomeamarone (1), a furanosesquiterpene isolated from the mold-damaged sweet potato Ipomea batatas as one of the phytoalexins, was synthesized starting from (+)-lactic acid as a chiral source.
A New Concise Synthesis of (+)-Ipomeamarone, (−)-Ngaione, and Their Stereoisomers
作者:Yoshinosuke Usuki、Taku Deguchi、Hideo Iio
DOI:10.1246/cl.140811
日期:2014.12.5
A newconcise and enantiocontrolled total synthesis of (+)-ipomeamarone (1), a well-known phytoalexin, is described. The key step involved a tetrahydrofuran ring construction from optically active ...