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Cytotoxic and antibacterial pyran-2-one derivatives from Croton crassifolius
TLDR
Two new pyran-2-one derivatives, crotonpyrones A and B, were isolated from the roots of Croton crassifolius and showed good cytotoxicity against human cancer cell lines of HeLa and NCI-446 and exhibited antibacterial activity against Staphylococcus aureus. Expand
Euphorikanin A, a Diterpenoid Lactone with a Fused 5/6/7/3 Ring System from Euphorbia kansui.
TLDR
Euphorikanin A (1), an unprecedented diterpenoid lactone which possesses a novel 5/6/7/3-fused tetracyclic ring skeleton, was isolated from the roots of Euphorbia kansui and exhibited moderate cytotoxicity against two human tumor cell lines HeLa and NCI-446. Expand
Sesquiterpenoids and Other Chemical Components from the Roots of Dolomiaea souliei
Dolomiaea souliei (Franch.) C. Shih, belonging to the family Compositae, is widely distributed in Sichuan Province, China. Its roots have been used as a traditional Chinese herbal medicine toExpand
Crocrassins A and B: two novel sesquiterpenoids with an unprecedented carbon skeleton from Croton crassifolius
Crocrassins A (1) and B (2), two novel sesquiterpenoids with a unique skeleton, were isolated from a Chinese medicinal plant Croton crassifolius. Their structures were assigned on the basis ofExpand
A new norsesquiterpenoid from Ligularia virgaurea
TLDR
A new eremophilane norsesquiterpenoid was isolated from the leaves of Ligularia virgaurea and was assayed for its cytotoxic activities against human cervical carcinoma cell and human small cell lung cancer cell lines. Expand
A New Halimane Diterpenoid from Croton crassifolius
Agriculture and Animal Husbandry College, Qinghai University, Xining 810016, ChinaReceived December 9, 2013, Accepted January 13, 2014Key Words : Euphorbiaceae, Croton crassifolius, Diterpenoid,Expand
Chemical Constituents of the Roots of Ligularia lapathifolia
The genus Ligularia (Asteraceae, tribe Senecioneae) contains more than 110 species distributed in China, of which about 40 species have been used as traditional Chinese medicine or folk herbs [1].Expand
A New Lathyrane Diterpenoid from the Whole Plant of Euphorbia altotibetica
= 11.2, H-12)], which represented the structure moieties C-1–C-5 and C-7–C-12 of a lathyrane diterpenoid, respective-ly. The HMBC correlations enable assembly of units A andB with the quaternaryExpand
A New Halimane Diterpenoid from Croton crassifolius
isolation, structural elucidation and cytotoxicity of the new halimane diterpenoid crassifoliusin A (I)
A Novel Norclerodane Diterpenoid from the Roots of Croton crassifolius
TLDR
This report describes the first example of a natural norclerodane with a 4H-chromene ring system, and the structure of the new compound was elucidated based on spectroscopic, NMR, and HR-ESI-MS techniques. Expand
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