Methyl chanofruticosinate type alkaloids from the aerial parts of Kopsia lancibracteolata Merr [0.03%]
Kopsia lancibracteolata Merr地上部分中的甲基Chanofruticosinate型生物碱
Jin-Feng Wang,Ying Wang,Hong-Liang Wang et al.
Jin-Feng Wang et al.
A chemical investigation on the 70% ethanol extract from the leaves and stems of Kopsia lancibracteolata Merr. resulted in the isolation of three new methyl chanofruticosinate type alkaloids, 12-hydroxyl prunifoline A (1), 12-hydroxyl pruni...
Nangallenes A and B, halogenated nonterpenoid C15-acetogenins from the Bornean red alga Laurencia nangii [0.03%]
劳氏琼胶衣藻中新颖的非倍半萜基C₁₅-酯类化合物NanggaleneA和B
Takashi Kamada,Chin-Soon Phan,Charles S Vairappan
Takashi Kamada
Two new halogenated nonterpenoids C15-acetogenins, nangallenes A-B (1-2), together with two known halogenated compounds itomanallene A (3) and 2,10-dibromo-3-chloro-α-chamigrene (4), were isolated and identified from the organic extract of...
Discovery of a semi-synthesized cyclolignan as a potent HIV-1 non-nucleoside reverse transcriptase inhibitor [0.03%]
一种HIV-1非核苷类逆转录酶抑制剂半合成环木脂素的发现
Jia-Mei Guo,Ming-Yu Ba,Ying Yang et al.
Jia-Mei Guo et al.
Non-nucleoside reverse transcriptase inhibitors (NNRTIs) are essential components of highly active antiretroviral therapy (HAART) for human immunodeficiency virus type 1 (HIV-1) infection. In this study, we identified (+)-(7'S,8S,8'S)-3',4,...
Nigary Yadikar,Khayrulla Bobakulov,H A Aisa
Nigary Yadikar
Four new phenolic glycosides (1-4), together with 12 known ones (5-16), were isolated from the essential oil extraction waste of Lavandula angustifolia. Their structures were unequivocally determined by extensive spectroscopic analysis (1D ...
Qi-Zhi Wang,Ping Qiu,Fei Liu et al.
Qi-Zhi Wang et al.
A new isoflavane, suaeglaucin A (1), which was isolated from the herb of Suaeda glauca (Bunge) Bunge, was elucidated as 5,6,8-trimethoxy-7- hydroxycoumaronochromone based on its MS and 1D and 2D NMR spectroscopic data. The structure of comp...
Two new monoterpenoid indole alkaloids from the leaves and twigs of Ochrosia borbonica [0.03%]
Ochrosia borbonica的叶和枝中的两个新单萜吲哚生物碱
Zhao Yin,Ting Liu,Jin-Xiao Fu
Zhao Yin
Two new monoterpenoid indole alkaloids, ochrobonines A (1) and B (2), together with five known compounds (3-7), were isolated from the leaves and twigs of Ochrosia borbonica. Their structures were determined by spectroscopic method, and the...
Matteucens I-J, phenolics from the rhizomes of Matteuccia orientalis [0.03%]
东方鳞毛蕨根茎中的酚类化合物MATTEUCENS I-J
Ling-Juan Zhu,Ying Song,Peng Shao et al.
Ling-Juan Zhu et al.
Two new phenolics, named matteucens I-J (1-2), were isolated from the 60% EtOH extract of the rhizomes of Matteuccia orientalis (HOOK.) TREV. Their structures were elucidated by means of extensive spectroscopic analysis (HRESIMS, NMR). ...
Carotane-type sesquiterpenes from cultures of the insect pathogenic fungus Isaria fumosorosea [0.03%]
淡紫拟青霉培养物中的倍半萜类化合物
Jun Zhang,Sha-Sha Liu,Wei-Yu Yuan et al.
Jun Zhang et al.
Two new carotane-type sesquiterpenes named trichocaranes E (1) and F (2), along with two known ones CAF-603 (3) and trichocarane C (4), were isolated from cultures of the insect pathogenic fungus Isaria fumosorosea. Their structures and rel...
Xuan Lu,Xue-Qing Li,Hai-Hong Qin et al.
Xuan Lu et al.
Two new secolignans, 3,4-trans-3-hydroxymethyl-4-[bis(4-hydroxy-3- methoxyphenyl)methyl]butyrolactone (1) and 3,4-trans-3-hydroxymethyl-4- [bis(3,4-dimethoxyphenyl)methyl]butyrolactone (2) have been isolated from the roots of Urtica fissa E...
Two new sesquiterpene lactones from leaves of yacon, Smallanthus sonchifolius [0.03%]
Smallanthus sonchifolius叶中的2个倍半萜内酯成分
Xiao-Ku Ran,Khin Khin Win Aung,Jun Bai et al.
Xiao-Ku Ran et al.
The chemical constituents of 95% EtOH extract of yacon leaves were separated to yield two new sesquiterpene lactones, together with three known compounds. The two new compounds were characterized to be 8β-angeloyloxy-13-methoxyl-11, 13-dih...