Cribrarione C, a naphthoquinone pigment from the myxomycete Cribraria meylanii [0.03%]
来自黏菌Cribraria meylanii的cribrarione C萘醌色素
Akinori Shintani,Hiroyuki Yamazaki,Yukinori Yamamoto et al.
Akinori Shintani et al.
Chemical investigation of field-collected fruit bodies of the myxomycete Cribraria meylanii resulted in the isolation of a naphthoquinone pigment, cribrarione C, and its structure was elucidated by spectral data as 2,5,6,7-tetrahydroxy-1,4-...
Upendra Sharma,Rikki Saini,Neeraj Kumar et al.
Upendra Sharma et al.
Two new steroidal saponins, shatavaroside A (1) and shatavaroside B (2) together with a known saponin, filiasparoside C, were isolated from the roots of Asparagus racemosus. Filiasparoside C was first time isolated from this plant. Their st...
Cooliatin, an unprecedented natural dioxocyclononane from dinoflagellate Coolia monotis from South China Sea [0.03%]
来自中国南海丽丽属球等鞭金藻的酷里亚素：一种前所未有的天然双氧化环壬烷类化合物
Ji-Lin Liang,Li-Juan Long,Si Zhang et al.
Ji-Lin Liang et al.
Cooliatin, an unprecedented dioxocyclononane, was isolated from the dinoflagellate Coolia monotis from South China Sea. Its structure was identified on the basis of spectroscopic evidence.
Deoxymanoalides from the nudibranch Chromodoris willani [0.03%]
来源于裸蜗牛Chromodoris willani的脱氧 manoalide 类化合物
Mohammad Helal Uddin,Masahito Otsuka,Toshinobu Muroi et al.
Mohammad Helal Uddin et al.
Two sesterterpenes, deoxymanoalide (1) and deoxysecomanoalide (2), were isolated from the nudibranch Chromodoris willani collected in Okinawa and their structures determined on the basis of spectroscopic data and chemical conversions. The m...
Regioselective enzymatic acylation and deacetylation of secoiridoid glucosides [0.03%]
次皂苷的区域选择性酶促酯化和去乙酰基反应
José Andrés Pérez,Juan Manuel Trujillo,Hermelo López et al.
José Andrés Pérez et al.
Candida antarctica lipase (CAL) catalyses the regioselective cinnamoylation and benzoylation of the aglycone moiety of 10-hydroxyoleoside dimethyl ester a secoiridoid glucoside. This enzyme catalyses as well regioselective deacetylation of ...
Lannotinidines H-J, new Lycopodium alkaloids from Lycopodium annotinum [0.03%]
来源于石松属植物Lycopodium annotinum中的三种新的石松碱类生物碱Lannotinidine H-J
Kan&#x;ichiro Ishiuchi,Shihomi Kodama,Takaaki Kubota et al.
Kan&#x;ichiro Ishiuchi et al.
Three new Lycopodium alkaloids, lannotinidines H-J (1-3), were isolated from the club moss Lycopodium annotinum. The structures and relative stereochemistry of 1-3 were elucidated on the basis of spectroscopic data and the absolute stereoch...
Diketopiperazine alkaloids from a deep ocean sediment derived fungus Penicillium sp [0.03%]
来自深海沉积物真菌Penicillium的二氦环己烷生物碱
Lin Du,Xinying Yang,Tianjiao Zhu et al.
Lin Du et al.
Five new diketopiperazine alkaloids, brevicompanines D-H (3-7), together with two known analogs, allo-brevicompanine B (1) and fructigenine B (2), were isolated from a deep ocean sediment derived fungus Penicillium sp. Their structures were...
Two new cucurbitane-type glycosides obtained from roots of Siraitia grosvenori SWINGLE [0.03%]
葛根中新获两种瓜儿代糖苷
Dian-Peng Li,Mona El-Aasr,Tsuyoshi Ikeda et al.
Dian-Peng Li et al.
Novel Cucurbitane-type glycosides, 5beta,19beta-epoxy-29-nor-3,11-dioxo-cucurbit-24-ene-27-oic acid 27-O-beta-D-glucopyranosyl-(1-->6)-beta-D-glucopyranoside (1) and 19,29-nor-3,11-dioxo-cucurbit-4,24-diene-27-oic acid 27-O-beta-D-glucopyra...
Delaumonones A and B, new antiplasmodial quassinoids from Laumoniera bruceadelpha [0.03%]
来自拉蒙尼埃拉·布鲁塞德尔法的新的抗疟原虫齐素衍生物德拉蒙奥诺因A和B
Shiori Oshimi,Aki Takasaki,Yusuke Hirasawa et al.
Shiori Oshimi et al.
New quassinoids, delaumonones A (1) and B (2) have been isolated from the bark of Laumoniera bruceadelpha NOOTEBOOM (Simaroubaceae) and the structures were elucidated by 2D NMR analysis and a chemical correlation. Delaumonones showed an ant...
Two new phenylglycol derivatives isolated from Syringa reticulata var. mandshurica and their antifungal activities [0.03%]
两种辽连翘中分离得到的苯基甘油酯及其抑菌活性研究
Qiong Ming Xu,Yan Li Liu,Xiao Ran Li et al.
Qiong Ming Xu et al.
Two new phenylglycol derivatives, (S)-(+)-2-(3,4-dihydroxy phenyl)-2-ethoxyl- ethanol and (S)-(+)-2-(3,4-dihydroxy phenyl)-2-acetoxy-ethanol, were isolated from the leaves of Syringa reticulata var. mandshurica, along with two known pheneth...