National Natural Science Foundation of China(Grant No.30973628)
From the aerial parts ofNauclea officinalis (Pierre ex Pitard) Merr. et Churl, one new indole alkaloid paratunamide E (1) has been isolated together with six known indole alkaloids, paratunamide A (2), nauclealo...
National Natural Science Foundation of China(Grant No.30973628)
The aim of current study was to investigate the chemical constituents of the needles of Taxus media. The isolation and purification of components were achieved by a series of chromatography including silica gel, Sepha...
National Natural Science Foundation of China (Grant No.30973628)
Phytochemical investigations of Pseudolarix kaempferi Gord led to the isolation of 26 known compounds. They were identified as follows: pseudolaric acid D (1), pseudolaric acid A (2), pseudolaric acid B (3), ps...