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Kadcoccitones A and B, Two New 6/6/5/5-Fused Tetracyclic Triterpenoids from Kadsura coccinea
被引:43
|作者:
Liang, Cheng-Qin
[1
,3
,4
]
Shi, Yi-Ming
[1
,3
]
Luo, Rong-Hua
[2
,3
]
Li, Xing-Yao
[1
,3
]
Gao, Zhong-Hua
[1
,3
]
Li, Xiao-Nian
[1
]
Yang, Liu-Meng
[2
]
Shang, Shan-Zhai
[1
,3
]
Li, Yan
[1
]
Zheng, Yong-Tang
[2
]
Zhang, Hong-Bin
[4
]
Xiao, Wei-Lie
[1
]
Sun, Han-Dong
[1
]
机构:
[1] Chinese Acad Sci, Kunming Inst Bot, State Key Lab Phytochem & Plant Resources W China, Kunming 650201, Yunnan, Peoples R China
[2] Chinese Acad Sci, Chinese Acad Sci & Yunnan Prov, Kunming Inst Zool, Key Lab Anim Models & Human Dis Mechanisms, Kunming 650223, Yunnan, Peoples R China
[3] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[4] Yunnan Univ, Sch Chem Sci & Technol, Minist Educ, Key Lab Med Chem Nat Resource, Kunming 650091, Yunnan, Peoples R China
关键词:
STEREOCONTROLLED SYNTHESIS;
LANCIFODILACTONE-G;
RING;
NORTRITERPENOIDS;
ROOTS;
ROUTE;
CORE;
D O I:
10.1021/ol303168y
中图分类号:
O62 [有机化学];
学科分类号:
070303 ;
081704 ;
摘要:
A pair of new triterpenoid epimers, kadcoccitones A (1) and B (2), together with a new biogenetically related compound kadcoccitone C (3), were isolated from Kadsura coccinea. The epimers featured an unprecedented carbon skeleton with a 6/6/5/5-fused tetracyclic ring system unit and a C-9 side chain. Their structures were determined by spectroscopic data, ECD calculation, and single-crystal X-ray diffraction. Compounds 1 and 3 showed anti-HIV-1 activity with an EC50 value of 47.91 and 32.66 mu g/mL, respectively.
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页码:6362 / 6365
页数:4
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