Cholest-5-en-24-oxo-3, 19-diacetate was synthesized starting from stigmasterol 3 via seven step reactions in 21.0% overall yield. It can be served as a key int
Polyaniline doped with heteropolyacid was synthesized using solid-state synthesis method. XRD pattern showed that polyaniline molecule has highly ordered arran
First total synthesis of (±)-hypargenin B methyl ether 2 was accomplished via a strategy of ACABC, in which CrO3/H2O/NaOAc/HOAc system was utilized for introdu