Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Hui-Chun Geng"'
Colletotrins A-C, three new sesquiterpenes from the endophytic fungus Colletotrichum iris strain S11
Autor:
Ning Chen, Shi-Yu Qiu, Song-Mei Lu, Shi-Wei Chen, Ji-Rui Wei, Fu-Wen Yang, Hui-Chun Geng, Min Zhou
Publikováno v:
Phytochemistry Letters. 55:34-37
Publikováno v:
Fitoterapia. 168:105521
Publikováno v:
Natural Product Research. 36:5241-5246
Phyllaciduloids E (1) and F (2), two new cleistanthane diterpenoids, were isolated from the leaves of Phyllanthus acidus (L.) Skeels (Phyllanthaceae). Their planar structures were established by spectroscopic analysis and comparison with literature v
Autor:
Yong-Hui He, Min Zhou, Hui-Chun Geng, Shi-Yu Qiu, Shi-Wei Chen, Song-Mei Lu, Fu-Wen Yang, Ji-Rui Wei
Publikováno v:
HETEROCYCLES. 106:888
Publikováno v:
Natural product research. 36(20)
Phyllaciduloids E (
Publikováno v:
Fitoterapia. 148
Phytochemical investigation on the nonpolar extracts of P. acidus leaves afforded three new cleistanthane diterpenoids, named phyllanacidins A–C (1–3), in addition to three known ones (4–6). Among them, compounds 2 and 3 represent the first exa
Publikováno v:
Phytochemistry Letters. 26:208-211
A new natural product meyeniihydantoin A (1), and two new hydantoin derivatives, named meyeniihydantoins B–C (2–3) were isolated from the roots of Lepidium meyenii. Their structures were characterized by means of extensive spectroscopic analyses.
Autor:
Gang Xu, Da-Wei Zhang, Wen-Dan Xu, Chun-Yan Wu, Fan Xia, Hong-Bo Qin, Xing-Wei Yang, Yu Zhang, Hui-Chun Geng
Publikováno v:
Organic Chemistry Frontiers. 5:1262-1266
Salviyunnanone A (1), a cytotoxic diterpenoid possessing an unprecedented 7/5/6/3 ring system derived from a normal abietane skeleton, was characterized from Salvia yunnanensis. Its structure was established by extensive MS and NMR spectroscopic anal
Publikováno v:
Bioorganic Chemistry. 114:105125
The young leaves of Phyllanthus acidus (Euphorbiaceae) are commonly used as edible vegetables in Indonesia, Thailand, and India, and their water infusions as dieting aids for people trying to remain slim. However, it is regarded as a poisonous plant
Publikováno v:
Natural Products and Bioprospecting
Catalytic asymmetric formal synthesis of (−)-Triptophenolide and (+)-Triptolide have been achieved. Key reaction involves Palladium catalyzed asymmetric conjugate addition of aryl boronic acid to 3-methyl cyclohexe-1-none to form quaternary carbon.