<正>Ru(bpy)32+ electrochemiluminescence (ECL) was applied to determine quercetin. It was found that ECL intensity of Ru(bpy)32+could be enhanced in the presence
An asymmetric total synthesis of mansonone P and R were achieved, in which introduction of hydroxy substituent at position 2 was performed by Sharpless dihydrox
A new sesquiterpenoid lactone, 3,6,9-trimethyl-pyrano[2,3,4-de]chromen-2-one (1) and a novel sesquiterpenoid quinone, 6-[2-(5-acetyl-2,7-dimethyl-8-oxo-bicyclo[