National Natural Science Foundation of China(Grant No. 20802005 and 20972007);the National Basic Research Program of China (973 Program, Grant No. 2010CB833200)
Efforts toward the total synthesis of indolactam V via CuI-mediated inter- and intra-molecular N-arylation of 4-iodotryptophan derivatives for the introduction of 4-valine moiety from natural L-valine are described. M...
Program for Changjiang Scholar and Innovative Team in University (Grant No. 985-2-063-112)
To investigate the chemical components of the barks and twigs ofltoa orientalis. A new linear monoterpene glycoside named itoside O was isolated from the crude extract of Itoa orientalis together with 11 known compoun...
Program for Changjiang Scholar and InnovativeTeam in Peking University (Grant number: 985-2-063-112).
Aim To study the chemical constituents from the stems of Xylosma controversum Clos. Methods The constituents were isolated by solvent extraction, repeated chromatography with silica gel, Sephadex LH-20, and RP-18 colu...