Dihydromayurone (3),a key intermediate to synthesize (-)-thujopsene (1),was efficient enantiocontrolled synthesized from (+)-dihydrocarvone through 9 steps in a
A new diarylheptanoid,3,5-dimethoxyl-17-hydroxyl-4,11,19-triketo-[7,0]meta-cyclophane,named as rubanone 1,was isolated from the bark of Myrica rubra along with
Six new N~4-[bi-(4-fluorophenyl)-methyl]-piperazine thiosemicarbazones 3a-f have been prepared starting from[bi-(4-fluor- ophenyl)-methyl]-piperazine in solvent