- Oleanane Saponins from Rhizome of Anemone raddeana
[作者:Fan, L; Lu, JC; Xu, BB; Gao, S; Zhang, HF; Liu, RX,期刊:Helvetica Chimica Acta, 页码:58-64 , 文章类型: Article,,卷期:2010年93-1]
- Two new oleanolic acid-type triterpenoid saponins, raddeanosides R-22 and R-23 (1 and 2, resp.), together with four known saponins were isolated from the rhizome of Anemone raddeana REGEL. The structures of the new compo...
- Secoiridoid Constituents from the Fruits of Ligustrum lucidum
[作者:Yang, NY; Xu, XH; Ren, DC; Duan, JA; Xie, N; Tian, LJ; Qian, SH,期刊:Helvetica Chimica Acta, 页码:65-71 , 文章类型: Article,,卷期:2010年93-1]
- Four new secoiridiod glucosides, p-hydroxyphenethyl 7-beta-D-glucosideelenolic acid ester (1), 6'-elenolylnicotiflorine (2), 6'''-acetylnicotiflorine (3), and oleoside 7-ethyl 11-methyl ester (4), as well as six known gl...
- Cascade Synthesis of Functionalized 2H-Imidazo[5,1-a]isoquinolinium Chlorides from Isoquinoline, Chloroformamidines (=Carbamimidoyl Chlorides), and Isocyanides
[作者:Yavari, I; Khalili, G; Mirzaei, A,期刊:Helvetica Chimica Acta, 页码:72-76 , 文章类型: Article,,卷期:2010年93-1]
- Stable derivatives of 2H-imidazo[5,1-a]isoquinolinium chloride are obtained in good yields from the cascade reaction between isoquinoline, chloroformamidines (=carbamimidoyl chlorides), and isocyanides in dry MeCN (Schem...
- Two New Phenylpropanoid Glycosides from the Leaves and Flowers of Erica arborea
[作者:Demirkiran, O; Topcu, G; Bahadori, F; Ay, M; Nazemiyeh, H; Choudhary, I,期刊:Helvetica Chimica Acta, 页码:77-83 , 文章类型: Article,,卷期:2010年93-1]
- Two new phenylpropanoid glucosides, 1,2-erythro-1-(3,4,5-trimethoxyphenyl)-2-(beta-D-glucopyranosyloxy)propan-1,3-diol (1) and 7,8-threo-2',8-epoxysyringylglycerol-7-O-alpha-D-glucopyranoside (ericarboside; 2) have been ...
- Additional ent-Kaurane Diterpenoids from Rubus corchorifolius L. f.
[作者:Chen, XX; Zhou, SD; Ou, YW; Xiao, SY; Lin, WH; Cao, Y; Zhang, M; Zhao, LC; Li, LF,期刊:Helvetica Chimica Acta, 页码:84-89 , 文章类型: Article,,卷期:2010年93-1]
- A further chemical investigation of the plant Rubus corchorifolius L. f.. collected in Hunan Province, afforded three new ent-kauranoids 3-5. Their structures were elucidated by various spectroscopic methods.
- Experimental and Theoretical Conformational Analysis of 5-Benzylimidazolidin-4-one Derivatives - a 'Playground' for Studying Dispersion Interactions and a 'Windshield-Wiper' Effect in Organocatalysis
[作者:Seebach, D; Groselj, U; Schweizer, WB; Grimme, S; Muck-Lichtenfeld, C,期刊:Helvetica Chimica Acta, 页码:1-16 , 文章类型: Article,,卷期:2010年93-1]
- The PF6 salts of 5-benzyl-1-isopropylidene- and 5-benzyl-1-cinnamylidene-3-methylimidazolidin-4-ones 1 (Scheme) with various substituents in the 2-position have been prepared, and single crystals suitable for X-ray struc...
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