Two new flavonol glycosides (1 and 2) together with two known flavonoides (3 and 4),were isolated from the whole plant of Knoxia corymbosa willd. The structures
A new photochromic compound containing pyrazolone-ring was synthesized, and its crystal structure was determined on X-ray singlecrystal diffraction, which belon
After his graduation with a U.S.PhD degree in 2013,Wei Chenji was immediately enrolled by RIPED of China National Petroleum Corporation(CNPC).He was quickly dep
A new flavan-3-ol glucoside, (-)-afzelechin-7-O-β-D-glucopyranoside (1), has been isolated from the stem of Daphniphyllum oldhami. The structure of the new co
Eight of new 5-oxo[1] benzopyrano [2,3-b] pyridines as the analogues of tetracycline, were designed and synthesized, and their affinity to the hydroxyapatite-th