supported by the National Natural Sciences Foundation of China(Nos.81630094,21732008,and 81730093);CAMS Innovation Fund for Medical Science of China(Nos.2017-I2M-3-010 and 2016-I2M-1-010);the Drug Innovation Major Project(No.2018ZX09711001-001-001)
Two new folate-derived analogues,named uncarophyllofolic acids A(1)and B(2),respectively,were isolated from the Uncaria rhynchophylla hook bearing stem(Gouteng in Chinese).The distinct stereochemical structures of 1 a...
supported by the National Science Foundation of China(No.21272275);the Program for Changjiang Scholars and Innovative Research Team in University(No.PCSIRT-IRT1193)
AIM: To study the chemical constituents and bioactivity of the stem bark of Mitragyna diversifolia. METHOD: Compounds were isolated by various chromatographic methods. Their structures were elucidated on the basis of ...