Antimycobacterial and nitric oxide production inhibitory activities of limonoids isolated from Trichilia lepidota subsp. schumanniana (Harms) T.D.Penn [0.03%]
来自Trichilia lepidota subsp. schumanniana（Harms）T.D.Penn的单萜内酯类化合物的抗分枝杆菌和抑制一氧化氮生成作用
Michel de Souza Passos,Thalya Soares Ribeiro Nogueira,Renata Rodrigues da Silva Robaina et al.
Michel de Souza Passos et al.
Six previously undescribed intact limonoids together with four known compounds were isolated from the seeds of Trichilia lepidota subsp. schumanniana (Harms) T.D.Penn. Their structures were characterized based on one- and two-dimensional nu...
Nine pairs of undescribed enantiomers from the resin of Styrax tonkinensis (Pierre) Craib ex Hart with anti-inflammatory activity [0.03%]
9对具有抗炎活性的越南降香树脂中未被描述的对映异构体
Qun Li,Hong-Bin Fang,Bin-Yuan Hu et al.
Qun Li et al.
Nine pairs of undescribed enantiomers, (±)-styraxoids A-I (1-9), were isolated from the resin of Styrax tonkinensis, and their structures were assigned by spectroscopic and computational methods. Compounds (±)-1 are a pair of degraded lig...
Structurally diverse (9β-H)-pimarane derivatives with six frameworks from the leaves of Icacina oliviformis and their cytotoxic activities [0.03%]
六种新骨架的（9β-H）-松香烷型倍半萜及其抗肿瘤活性研究
Mingming Xu,Di Di,Lu Fan et al.
Mingming Xu et al.
Thirteen previously undescribed (9β-H)-pimarane derivatives, icacinolides A-G (1-7) and oliviformislactones C-H (8-13), together with four known analogs (14-17), were isolated from the leaves of Icacina oliviformis. Their structures were c...
Four previously undescribed diketopiperazines from marine fungus Aspergillus puniceus FAHY0085 and their effects on liver X receptor α [0.03%]
从海洋真菌曲霉菌FAHY0085中鉴定出四种新型二肽化合物及肝X受体活化作用研究
Qi Hong,Miao-Miao Guo,Jin Yang et al.
Qi Hong et al.
Four previously undescribed diketopiperazine-type alkaloids including one oxepin-containing diketopiperazine-type alkaloid, oxepinamide L (1), three 4-quinazolinone alkaloids, puniceloids E-G (10-12), together with 12 known analogues, protu...
Sterol composition in plants is specific to pollen, leaf, pollination and pollinator [0.03%]
植物甾醇的组成在花粉、叶片、传粉及授粉者中具有特异性
Samuel Furse,Carlos Martel,Abdikarim Yusuf et al.
Samuel Furse et al.
Sterols have several roles in planta, including as membrane components. Sterols are also essential nutrients for insects. Based on this, and the different functions of leaves and pollen, we tested the hypotheses that (a) the sterolome is di...
Sesquiterpenes from Carpesium faberi triggered ROS-induced apoptosis and protective autophagy in hepatocellular carcinoma cells [0.03%]
福氏旋覆花中的倍半萜通过ROS诱导的凋亡及保护性自噬在肝癌细胞中发挥抗肿瘤活性
Ying Yan,Jie Chen,Mingyou Peng et al.
Ying Yan et al.
Ten previously undescribed sesquiterpenes, carpespenes A-J (1-10), and eight known compounds (11-18), were isolated from the whole plants of Carpesium faberi. Their structures were established by extensive analysis of HRESIMS, NMR, and ECD ...
An updated review on distribution, biosynthesis and pharmacological effects of artemisinin: A wonder drug [0.03%]
关于青蒿素的分布、生物合成及药理作用的最新综述：一种神奇的药物
Neelofer Nabi,Seema Singh,Peer Saffeullah
Neelofer Nabi
Plant-based drugs have been used for centuries for treating different ailments. Malaria, one of the prevalent threats in many parts of the world, is treated mainly by artemisinin-based drugs derived from plants of genus Artemisia. However, ...
Triterpenoids from the roots of Sanguisorba officinalis and their Nrf2 stimulation activity [0.03%]
牻牛儿苗根的三萜类化合物及其Nrf2诱导活性研究
Longlong Wu,Jingwen Liu,Kaixian Chen et al.
Longlong Wu et al.
Thirteen undescribed ursane-type triterpenoids, named as sangosides A-M (1-13), including two nor-ursanes, one split ring-ursane and ten ursanes, along with thirty-six known triterpenoids (14-49) were isolated and identified from the roots ...
Labdane and ent-halimane diterpenoids with STAT3-inhibitory activity from Leonurus sibiricus [0.03%]
牻牛儿酮和 ent-海茵烷二萜类化合物从 Leonurus sibiricus 中的提取物具有抑制 STAT3 活性的功能
Chen Wang,Jiao Tian,Chaoge Liu et al.
Chen Wang et al.
Nine undescribed labdane diterpenoids (1-9) and one undescribed ent-halimane diterpenoid (10) were isolated from the aerial parts of Leonurus sibiricus, together with four known analogues (11-14) during our searching for naturally occurring...
Rapid determination of the relative configuration of diverse 8,4'-oxyneolignans by NMR analysis: Retrospective studies, improvement and structural revision [0.03%]
多元8,4'-氧杂烯愈创木烷型二聚倍半萜类绝对构型的快速确定：NMR分析的回溯研究、改进及结构修正
Peng Zhao,Li-Li Lou,Ben-Song Xin et al.
Peng Zhao et al.
The characteristic 1H NMR signals (H-7 and H2-9) are significant parameters that have been widely used to assess the relative configuration of H-7 and H-8 of 8,4'-oxyneolignans. However, many usual 8,4'-oxyneolignans cannot be accurately de...