Diarylheptanoids from Alpinia officinarum.

abstract：:A new C20-diterpenoid alkaloid handelidine (1) and twenty-seven known alkaloids (2-28) were isolated from the roots of Aconitum handelianum. Their structures were established on the basis of extensive spectroscopic analyses. The study indicated that denudatine-type C20-diterpenoid alkaloids with vicinal-triol system a...

journal_title：Journal of Asian natural products research

authors： Yin TP,Cai L,Xing Y,Yu J,Li XJ,Mei RF,Ding ZT

更新日期：2016-06-01 00:00:00

abstract：:Eutypellol A (1), the first norsesquiterpenoid of sequicarene family, as well as eutypellol B (2), a rare 7-methyl oxidized 2-carene derivative, and one new natural product 2-(2-hydroxy-4-methylcyclohex-3-enyl)propanoic acid (3), along with eight known terpenoids, were isolated from the marine sediment-derived fungus ...

journal_title：Journal of Asian natural products research

authors： Liu HX,Zhang L,Chen YC,Sun ZH,Pan QL,Li HH,Zhang WM

更新日期：2017-02-01 00:00:00

abstract：:Two new neolignan glucosides named (7S, 8R)-4,7,9,9'-tetrahydroxy-3,3'-dimethoxyl-7'-oxo-8-4'-oxyneolignan-4-O-β-D-glucopyranoside and (7'S, 8'R, 8S)-4,4',9'-trihydroxy-3,3'-dimethoxy-7',9-epoxylignan-7-oxo-4-O-β-D-glucopyranosyl-4'-O-β-D-glucopyranoside, together with two small molecular peptides named 3-benzyl-6-(1-...

journal_title：Journal of Asian natural products research

authors： Yang YN,Zhang F,Feng ZM,Jiang JS,Zhang PC

更新日期：2012-01-01 00:00:00

abstract：:Biotransformation of podophyllotoxin (PT) by several microbial species has been investigated. Among the fungi tested, it was found that Penicillium strains can isomerize PT to picropodophyllin (PPT) in 8% yield and other strains also transform the substrate into the same product but with lower yield. ...

journal_title：Journal of Asian natural products research

authors： Guo HZ,Guo DA,Fei XY,Cui YJ,Zheng JH

更新日期：1998-01-01 00:00:00

abstract：:A new cerebroside, asperiamide A, and adenosine were produced from a marine fungus, identified as Asperillus sp., collected in the Mei Zhou Gulf, China. Two-dimensional NMR methods, FAB-MS, were used to established the structure of the new compound. ...

journal_title：Journal of Asian natural products research

authors： Ouyang MA,Liu R,Kuo YH

更新日期：2005-10-01 00:00:00

abstract：:Four types of piscidinol A derivatives were synthesized and evaluated their ability to inhibit HIV-1 protease to understand their structure-activity relationships. Of these tirucallane-type triterpene derivatives, an A-seco derivative (1b) moderately inhibited human immunodeficiency virus (HIV) protease (IC50 38.2 μM)...

journal_title：Journal of Asian natural products research

authors： Wei Y,Ma CM,Jiang TB,Du J,Zhou X,Liu GQ,Hattori M

更新日期：2015-01-01 00:00:00

abstract：:Two new metabolites, pyrenocine J (1) and pyrenochaetic acid D (2), together with two known metabolites, pyrenocine A (3) and pyrenochaetic acid A (4), were isolated from a soil fungus, Curvularia affinis strain HS-FG-196. Their structures were established by extensive spectroscopic analysis. Compound 1 showed cytotox...

journal_title：Journal of Asian natural products research

authors： Zhang H,Mao LL,Qian PT,Shan WG,Wang JD,Bai H

更新日期：2012-01-01 00:00:00

abstract：:Five labdane-type diterpenes, vitexilactone (1), (rel 5S,6R,8R,9R,10S)-6-acetoxy-9-hydroxy-13(14)-labden-16,15-olide (2), rotundifuran (3), vitetrifolin D (4), and vitetrifolin E (5), have been isolated from Vitex trifolia L., a Chinese folk medicine used to treat cancers, as new cell cycle inhibitors and apoptosis in...

journal_title：Journal of Asian natural products research

authors： Li WX,Cui CB,Cai B,Yao XS

更新日期：2005-04-01 00:00:00

abstract：:Andrographolide (1), a diterpenoid lactone isolated from a traditional herb (Andrographis paniculata), is known to possess potent anti-inflammatory activity. In this study, we investigated the anti-tumor effect of 1 on various cancer cell lines in vitro. It induced apoptosis of prostate cancer (PC-3) cells (the most s...

journal_title：Journal of Asian natural products research

authors： Zhao F,He EQ,Wang L,Liu K

更新日期：2008-05-01 00:00:00

abstract：:Two new ent-kaurane diterpenoid dimers, fritillebinide D (1) and fritillebinide E (2), were isolated from bulbs of Fritillaria ebeiensis G.D. Yu et G.Q. Ji. Their structures have been determined to be ent-3beta-acetoxy-kauran-16beta, 17-acetal ent-3beta-acetoxy-16beta-kauran-17(R)-aldehyde (1) and ent-3beta-acetoxy-ka...

journal_title：Journal of Asian natural products research

authors： Ruan HL,Zhang YH,Wu JZ,Sun HD,Fujita T

更新日期：2002-12-01 00:00:00

abstract：:Two new meroterpenes, guignardone D (1) and guignardone E (2), were isolated from endophytic fungus A1 of Scyphiphora hydrophyllacea Gaertn. F. Their structures were established based on spectroscopic methods including 1D and 2D NMR (HMQC, (1)H-(1)H COSY, HMBC, and ROESY). ...

journal_title：Journal of Asian natural products research

authors： Zheng B,Zeng YB,Dai HF,Zuo WJ,Guo ZK,Yang T,Zhong HM,Mei WL

更新日期：2012-01-01 00:00:00

abstract：:Chemical investigation on the cultures of Phellinus tuberculosus and Laetiporus sulphureus lead to the isolation of two new illudin-type sesquiterpenoids (phellinuin J and sulphureuine A). Their structures were elucidated by 1D, 2D NMR and MS spectroscopic data. These compounds were purposely evaluated for their cytot...

journal_title：Journal of Asian natural products research

authors： He JB,Tao J,Miao XS,Feng YP,Bu W,Dong ZJ,Li ZH,Feng T,Liu JK

更新日期：2015-01-01 00:00:00

abstract：:Two new quinochalcone glycosides, hydroxysafflor yellow A-4'-O-β-D-glucopyranoside (1) and 3'-hydroxyhydroxysafflor yellow A (2), were isolated from the safflower yellow pigments of Carthamus tinctorius. The structures of new compounds were elucidated by a detailed spectroscopic analysis (UV, IR, HR-ESI-MS, 1D and 2D ...

journal_title：Journal of Asian natural products research

authors： Zhang H,Duan CP,Luo X,Feng ZM,Yang YN,Zhang X,Jiang JS,Zhang PC

更新日期：2020-12-01 00:00:00

abstract：:Two new xanthone O-glycosides, polyhongkongenosides A (1) and B (2), together with four known xanthone glycosides, were isolated from the herbs of Polygala hongkongensis Hemsl. Their structures were elucidated on the basis of UV, IR, NMR, and MS spectral data. The antioxidant in vitro activities of 1-6 were determined...

journal_title：Journal of Asian natural products research

authors： Wu JF,Chen SB,Gao JC,Song HL,Wu LJ,Chen SL,Tu PF

更新日期：2008-07-01 00:00:00

abstract：:Eight tetranortriterpenoids (1-8) and two sesquiterpenoids (9 and 10) including two new compounds, cineracipadesin G (1) and 1β-hydroperoxy-6α-hydroxy-eudesm-4(15)-ene (9), were isolated from the EtOAc extract of branches of Cipadessa cinerascens. The structures of two new compounds were elucidated by 1D and 2D NMR an...

journal_title：Journal of Asian natural products research

authors： Fu LR,Ma QY,Huang SZ,Dai HF,Guo ZK,Yu ZF,Zhao YX

更新日期：2014-01-01 00:00:00

abstract：:A novel tetraterpenoid named methyl tortuoate C (1) has been isolated from the soft coral Sarcophyton tortuosum Tix.-Dur. The structure of 1 was determined on the basis of spectroscopic methods. ...

journal_title：Journal of Asian natural products research

authors： Lan WJ,Li HJ,Yan SJ,Su JY,Zeng LM

更新日期：2007-04-01 00:00:00

abstract：:A new minor sesquiterpene lactone glucoside, ixerin ZA (1), together with 16 known compounds, were isolated from the whole plants of Ixeris sonchifolia (Bge) Hance. The structure of 1 was elucidated as 1(10),3,11(13)-guaiatriene-12,6-olide-2-one-3-O-[6'-(p-metheoxyphenylacetyl)]-beta-glucopyranoside on the basis of sp...

journal_title：Journal of Asian natural products research

authors： He WF,Xu BB,Pan JC,Lu JC,Song SJ,Xu SX

更新日期：2006-09-01 00:00:00

abstract：:Four new compounds, uvamalols A-C and uvarimacrophin A, have been isolated from the roots of Uvaria macrophylla. Their structures have been elucidated by spectroscopic methods. The relative configurations of uvamalols A-C have been established by NOE experiments, and the relative stereochemistry of uvarimacrophin A in...

journal_title：Journal of Asian natural products research

authors： Wang S,Zhang PC,Chen RY,Dai SJ,Yu SS,Yu DQ

更新日期：2005-10-01 00:00:00

abstract：:One new flavone, 5,7-dihydroxy-8,2',3',6'-tetramethoxyflavone (1), and one new flavonol, 5,7,6'-trihydroxy-2'-methoxyflavonol (2), were isolated from the roots of Scutellaria baicalensis, and their structures were elucidated on the basis of extensive spectroscopic evidences, especially 1D and 2D NMR and HR-ESI-MS expe...

journal_title：Journal of Asian natural products research

authors： Long HL,Xu GY,Deng AJ,Li ZH,Ma L,Lu Y,Zhang ZH,Wu F,Qin HL

更新日期：2015-01-01 00:00:00

abstract：:Mangrove endophytic fungi were proved to be a prolific resources for bioactive secondary metabolites. Two new polyketides, pestalotiopin B (1) and pestalotiopyrone N (2) were obtained from the ethyl acetate extracts of the rice solid cultures of the mangrove endophytic fungus Pestalotiopsis sp. HQD-6. The structures o...

journal_title：Journal of Asian natural products research

authors： Zhou J,Zheng DY,Xu J

更新日期：2021-01-29 00:00:00

abstract：:The rhizome of Acorus tatarinowii is a well-known traditional Chinese medicine. Our extensive investigation on this plant material afforded two new compounds, including a cadinane-type sesquiterpenoid and a pyrazine derivative, along with seven known compounds. The structures of the new compounds, tatarinowin B and ta...

journal_title：Journal of Asian natural products research

authors： Tong XG,Qiu B,Luo GF,Zhang XF,Cheng YX

更新日期：2010-06-01 00:00:00

abstract：:Three new flavonol glycosides, kaempferol-3-O-(6-trans-caffeoyl)-beta-D-glucopyranosyl-(1 --> 2)-beta-D-glucopyranoside (1), kaempferol-3-O-(6-trans-caffeoyl)-beta-D-glucopyranosyl-(1 --> 2)-beta-D-glucopyranoside-7-O-beta-D-glucopyranoside (2), and kaempferol-3-O-(6-trans-p-coumaroyl)-beta-D-glucopyranosyl-(1 --> 2)-...

journal_title：Journal of Asian natural products research

authors： Li N,Li X,Meng DL,Guo YQ,Wang JH

更新日期：2006-01-01 00:00:00

abstract：:Four new oleanane type saponins, monepalosides G-J (1-4), were isolated from the water-soluble part of the whole plant of Morina nepalensis var. alba Hand-Mazz. On the basis of chemical and spectroscopic evidence, their structures were determined as 3-O-alpha-L-arabinopyranosyl-(1 --> 3)-alpha-L-arabinopyranosyl olean...

journal_title：Journal of Asian natural products research

authors： Teng RW,Xie HY,Liu XK,Wang DZ,Yang CR

更新日期：2003-06-01 00:00:00

abstract：:Corchorusin-D (COR-D), isolated from Corchorus acutangulus, was reported to induce apoptosis in leukemic cells. However, no studies concerning its activity on melanoma cells have been reported. We have evaluated its in vitro anti-cancer activity on melanoma cells (B16F10, SK-MEL-28, and A375). The results demonstrate ...

journal_title：Journal of Asian natural products research

authors： Mallick S,Pal BC,Kumar D,Chatterjee N,Das S,Saha KD

更新日期：2013-11-01 00:00:00

abstract：:A new naphtho[1,2-b]furan, 2,9-dihydroxy-7-methoxy-4-methylnaphtha[1,2-b]furan-3(2H)-one (1), along with 10 known compounds vanillic acid (2), naringenin (3), glyceryl-1-tetracosanoate (4), moracin J (5), 1,3,8-trihydroxyanthraquinone (6), esculetin (7), mauritianin (8), kaempferol 3-neohesperidoside (9), β-sitosterol...

journal_title：Journal of Asian natural products research

authors： Wang LQ,Tang ZR,Mu WH,Kou JF,He DY

更新日期：2013-11-01 00:00:00

abstract：:In this paper, the structure-activity relationships of chemically modified uronic acid polymer fragments from brown algae with regard to their antioxidant effects on H2O2-damaged lymphocyte were studied. The results indicated that the most potent antioxidant activity was obtained from the sulfated polysaccharide with ...

journal_title：Journal of Asian natural products research

authors： Hu JF,Gen MY,Zhang JT,Jiang HD

更新日期：2001-01-01 00:00:00

abstract：:Further investigation on the saponins of the flower-buds of Panax ginseng C. A. Meyer has resulted in the isolation and structural elucidation of a pair of new 24-epimers of dammarane type saponins named ginsenoside I and II. The structures of the epimers were characterized on the basis of chemical and spectral eviden...

journal_title：Journal of Asian natural products research

authors： Qiu F,Ma ZZ,Xu SX,Yao XS,Che CT,Chen YJ

更新日期：2001-01-01 00:00:00

abstract：:A new triterpenoid, 11α,12α-epoxy-3β-hydroxy-24-nor-olean-4(23)-en-28,13β-olide (1), and a new glycoside, benzyl 2-O-β-d-apiofuranosyl-(1 → 2)-β-d-glucopyranosyl benzoate (2), together with eight known triterpenoids (3-10), were isolated from Pilea cavaleriei subsp. cavaleriei. Their structures were established on the...

journal_title：Journal of Asian natural products research

authors： Ren HC,Qin RD,Wang Q,Cheng W,Zhang QY,Liang H

更新日期：2012-01-01 00:00:00

abstract：:A new coumestan named bavacoumestan D (1), together with five known compounds (2-6), was isolated from EtOAc-soluble extract of seeds of Psoralea corylifolia. Their structures were elucidated on the basis of spectroscopic and physico-chemical analyses. All compounds were evaluated for in vitro inhibitory activity agai...

journal_title：Journal of Asian natural products research

authors： Chai MY

更新日期：2020-03-01 00:00:00

abstract：:Four new furostanol glycosides were isolated from the flowers of Hosta plantaginea (Lam.) Aschers. On the basis of spectroscopic methods including 1D and 2D NMR experiments, their structures were elucidated as 26-O-β-d-glucopyranosyl-(25R)-22-O-methyl-5α-furostan-2α,3β,22ξ,26-tetrol 3-O-α-l-rhamnopyranosyl-(1 → 4)-O-β...

journal_title：Journal of Asian natural products research

authors： Li XJ,Wang L,Xue PF,Xie HX,Wei H,Wang J

更新日期：2015-01-01 00:00:00