Hopeafuran and a C-Glucosyl Resveratrol Isolated from Stem Wood of Hopea utilis

A new resveratrol dimer and a new C-glucosyl resveratrol were isolated from stem wood of Hopea utilis along with nine stilbenoid derivatives comprising bergenin and (+)-lyoniresinol. The structures have been elucidated on the basis of the spectroscopic evidence.