- Piepunine, A Novel Bis-diterpenoid Alkaloid from the Roots of Aconitum piepunense
[作者：Cai, L; Song, L; Chen, QH; Liu, XY; Wang, FP,期刊：Helvetica Chimica Acta, 页码：2251-2255 , 文章类型： Article，,卷期：2010年93-11]
- Further investigation on the roots of Aconitum piepunense led to the isolation of a novel bis-diterpenoid alkaloid designated as piepunine (1) Its structure was established by extensive interpretation of its 1D- and 2D N...
- Three New C-21 Steroidal Glycosides from the Stems of Marsdenia tenacissima
[作者：Zhang, AY; Huang, X; Tan, AM; Yang, SB; Zhang, H,期刊：Helvetica Chimica Acta, 页码：2256-2262 , 文章类型： Article，,卷期：2010年93-11]
- Three new glycosides (3 beta,5 alpha,8 alpha,11 alpha 12 beta 14 beta,17 alpha,20R)-3 [(2,6 dideoxy-4-O (6-deoxy 3-O methyl-beta D allopyranosyl) 3-O methyl beta D-arabino-hexopyranosyl)oxy] 12-O-tigloyl-8,20 11,20-diepo...
- Eleven New Triterpenes from Eurycorymbus cavaleriei
[作者：Cheng, L; Shen, LM; Zhang, M; Li, N; Li, XA; Ma, ZJ; Qu, HB,期刊：Helvetica Chimica Acta, 页码：2263-2275 , 文章类型： Article，,卷期：2010年93-11]
- Eleven new triterpenes, cavalerols A - K (1-11, resp), ten of which were derivatives of hopanc and one was derivative of dammarane, were isolated from the twigs of Eurycorymbus cavaleriei Their structures were elucidated...
- Chemical Constituents of Phyllanthus reticulatus
[作者：Lan, MS; Ma, JX; Tan, CH; Wei, S; Zhu, DY,期刊：Helvetica Chimica Acta, 页码：2276-2280 , 文章类型： Article，,卷期：2010年93-11]
- A new purine derivative, 3 (3-methylbut-2 en 1-yl)isoguanine (1), and a new cleistanthane type diterpenoid glucoside, 19-hydroxyspruceanol 19 O-beta-D-glucopyranoside (2), together with eight known compounds were isolate...
- Sesquiterpenes and Other Metabolites from the Marine Red Alga Laurencia composita (Rhodomelaceae)
[作者：Ji, NY; Li, XM; Wang, BG,期刊：Helvetica Chimica Acta, 页码：2281-2286 , 文章类型： Article，,卷期：2010年93-11]
- Two new halogenated sesquiterpenes, (8 beta) 10 bromo-3-chloro-2,7-epoxychamigr-9-en-8-ol (1) and 2 bromo-3 chlorobisabola-7(14),11 diene 6,10 diol (3). and one new phytol derived diterpene, epoxyphytyl acetate (4), alon...
- Isolation and Characterization of Bioactive Cyclotides from Viola labrilorica
[作者：Tang, J; Wang, CK; Pan, XL; Yan, H; Zeng, GZ; Xu, WY; He, WJ; Daly, NL; Craik, DJ; Tan, NH,期刊：Helvetica Chimica Acta, 页码：2287-2295 , 文章类型： Article，,卷期：2010年93-11]
- Many Violaceae plants contain cyclotides, which are plant cyclopeptides distinguished by a cyclic cystine knot motif with 28-37 amino acid residues. In the current study, four new cyclotides, vila A - D (1-4 resp), toget...
- Synthesis, Physical Properties, and Cytotoxicity of Nitroxyl - Aziridine Hybrid
[作者：Kumamoto, T; Suzuki, K; Kim, SK; Hoshino, K; Takahashi, M; Sato, H; Iwata, H; Ueno, K; Fukuzumi, M; Ishikawa, T,期刊：Helvetica Chimica Acta, 页码：2109-2114 , 文章类型： Article，,卷期：2010年93-11]
- Nitroxyl-aziridine hybrid, a candidate for a magnetic resonance imaging (MRI) probe and an anticancer drug, was synthesized by aziridine formation reaction of nitroxyl-introduced aldehyde and guanidinium ylide in good di...
- Syntheses, Properties, and Reactions of 8-Aminoxanthines
[作者：Mosselhi, MA; Pfleiderer, W,期刊：Helvetica Chimica Acta, 页码：2115-2134 , 文章类型： Article，,卷期：2010年93-11]
- A series of N-substituted 8-aminoxanthines (=8 amino-3,7(or 3,9)-dihydro-1H-purine-2,6-diones) 8-16 and 34-37 were synthesized from the corresponding 8-nitroxanthines 1-7, 30-33, and 8(phenylazo)xanthines 17 and 18 by ca...
- Unusual Reactions of (+)-Car-2-ene and (+)-Car-3-ene with Aldehydes on K10 Clay
[作者：Il'ina, IV; Volcho, KP; Korchagina, DV; Salnikov, GE; Genaev, AM; Karpova, EV; Salakhutdinov, NF,期刊：Helvetica Chimica Acta, 页码：2135-2150 , 文章类型： Article，,卷期：2010年93-11]
- The reactions of (+)-car-2-ene (1) and (+)-car 3-ene (2) with aldehydes in the presence of montmorillonite clay were studied for the first time (Schemes 3 and 5) The major products of these reactions are optically active...
- Four Novel Diterpenoids from Crinipellis sp. 113
[作者：Li, YY; Shen, YM,期刊：Helvetica Chimica Acta, 页码：2151-2157 , 文章类型： Article，,卷期：2010年93-11]
- Four novel diterpenoids, namely (4/3)-4,4-O-dihydrocrinipellin A (1), (4 beta,8 alpha)-4,4-O,8,8-O-tetrahydrocrinipellin B (2), crinipellin C (3), and crinipellin D (4). along with three known ones, (3 beta,4 beta) 3,3-C...
- Total Synthesis of a Mevinic Acid Analog
[作者：Reddy, TS; Reddy, DK; Narasimhulu, M; Ramesh, D; Venkateswarlu, Y,期刊：Helvetica Chimica Acta, 页码：2158-2163 , 文章类型： Article，,卷期：2010年93-11]
- Total synthesis of mevinic acid analog 1 has been achieved efficiently starting from chiral 2 3 O-isopropylidene-D glyceraldehyde (2) The synthesis involves Mitsunobu reaction and Evans intra molecular oxa-Michael syn ad...
- Four New Lignan Glycosides from Osmanthus fragrans LOUR. var aurantiacus MAKINO
[作者：Machida, K; Yamauchi, M; Kurashina, E; Kikuchi, M,期刊：Helvetica Chimica Acta, 页码：2164-2175 , 文章类型： Article，,卷期：2010年93-11]
- Four new tetrahydrofuranoid lignan glycosides (7S,8R 7'R,8 S)-4,9 4,7 tetrahydroxy-3 3 dimethoxy 79-epoxylignan 9 O-beta-D-glucopyranoside (2) (7R,8S,7 S 8 R)-4,9,4 7 -tetrahydroxy-3,3 -dimethoxy-7,9 -epoxylignan 9 O-bet...
- A Three-Component One-Pot Synthesis of Functionalized 5,5-Dicyanocyclopenta-1,3-dienes from Arylidenemalononitriles, Activated Acetylenes, and KCN or KSCN
[作者：Yavari, I; Sirouspour, M; Souri, S,期刊：Helvetica Chimica Acta, 页码：2176-2182 , 文章类型： Article，,卷期：2010年93-11]
- The reaction of dialkyl acetylenedicarboxylates with arylidenemalononitriles in the presence of KSCN in MeCN led to a mixture of dialkyl (3E)-4 aryl-3-(arylideneamino) 5,5 dicyanocyclopenta 1 3 diene-1 2-dicarboxylates a...
- Chromanone Derivatives from the Pericarps of Calophyllum polyanthum
[作者：Wang, HA; Sun, QY; Yang, FM; Long, CL; Wang, YH; Tang, GH; Zhao, FW; Niu, HM; Huang, QQ; Xu, JJ; Wataya, Y; Ma, LJ,期刊：Helvetica Chimica Acta, 页码：2183-2188 , 文章类型： Article，,卷期：2010年93-11]
- Three new chromanone derivatives, calopolyanic acid (1), isocalopolyanic acid (2), and isorecedensic acid (3). were isolated from the pericarps of Calophyllum polyanthum WALL ex CHOISY, along with seven known compounds, ...
- A Novel Approach for the Synthesis of Furopyrimidine and Oxobenzofuran Derivatives
[作者：Bayat, M; Shiraz, NZ; Hosseini, SH,期刊：Helvetica Chimica Acta, 页码：2189-2193 , 文章类型： Article，,卷期：2010年93-11]
- A novel, efficient one pot approach for the synthesis of furopyrimidine and oxobenzofuran derivatives 4 by a multicomponent reaction of an isocyanide, an aldehyde, and a CH-acid compound in CH2Cl2 is reported (Scheme I a...
- Phenolic Compounds from the Fresh Leaves of Eucalyptus maideni
[作者：Tian, LW; Yang, CR; Zhang, YJ,期刊：Helvetica Chimica Acta, 页码：2194-2202 , 文章类型： Article，,卷期：2010年93-11]
- Four new phenolic compounds 7 O methylcatechin 5 O-beta-D glucopyranoside (1), 6 O feruloyl D-glucopyranose (2), demethylpiperitol 4 O-beta D-glucopyranoside (3), and 2 episesaminol 2-O beta-D glucopyranoside (4) were is...
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