- Scalarane Sesterterpenes from the Chinese Sponge Phyllospongia foliascens
[作者：Zhang, HJ; Fang, HF; Yi, YH; Lin, HW,期刊：Helvetica Chimica Acta, 页码：762-767 , 文章类型： Article，,卷期：2009年92-4]
- Three new scalarane sesterterpenes, phyllofolactone L(1), phyllofenone D (2) and phyllofenone E (3), were isolated from the acetone extract of the South China Sea sponge Phyllospongia foliascens. Their structures were el...
- Three New Compounds from Incarvillea delavayi
[作者：Lu, T; Shen, YH; Lu, M; Tang, J; Shan, L; Liu, RH; Li, HL; Zhang, WD,期刊：Helvetica Chimica Acta, 页码：768-773 , 文章类型： Article，,卷期：2009年92-4]
- Phytochemical studies on the whole plant of Incarvillea delavayi resulted in the isolation of three new compounds, incarvilleaol (1), incarvillaldehyde (2) and 2-(1,4-dihydroxycyclohexyl)ethyl caffeate (3). Their structu...
- Hastatusides A and B: Two New Phenolic Glucosides from Rumex hastatus
[作者：Zhang, LS; Li, Z; Mei, RQ; Liu, GM; Long, CL; Wang, YH; Cheng, YX,期刊：Helvetica Chimica Acta, 页码：774-778 , 文章类型： Article，,卷期：2009年92-4]
- Two new compounds hastatusides A and B (1 and 2, resp.), together with five known compounds, resveratrol, rumeroside, torachrysone-8-yl beta-D-glucopyranoside, rutin, nepodin, and orientaloside were isolated form the roo...
- Fused Isothiazole S-Oxide Systems from Cycloaddition Reactions of N-Benzylisothiazol-3-amine 1-Oxide
[作者：Clerici, F; Casoni, A; Contini, A; Gelmi, ML; Pellegrino, S,期刊：Helvetica Chimica Acta, 页码：779-789 , 文章类型： Article，,卷期：2009年92-4]
- The racemic N-benzylisothiazol-3-amine 1-oxide (2) was demonstrated to be an efficient partner in Diels - Alder reactions (Schemes 2-4) and a good dipolarophile in 1,3-dipolar cycloaddition reactions with nitrile oxides ...
- New Diterpenoids from Tinospora capillipes
[作者：Zhan, ZJ; Zhang, XY; Hou, XR; Li, CP; Shan, WG,期刊：Helvetica Chimica Acta, 页码：790-794 , 文章类型： Article，,卷期：2009年92-4]
- A phytochemical study of the roots of Tinospora capillipes resulted in the characterization of two new highly unsaturated diterpenoids, tinocapilactones A and B (1 and 2), as well as of six known ones. The structures of ...
- Selectivity Enhancement for the Jacobsen-Katsuki Epoxidation in Fluorinated Solvents
[作者：Havare, N; Plattner, DA,期刊：Helvetica Chimica Acta, 页码：623-628 , 文章类型： Article，,卷期：2009年92-4]
- In 1,1,1,2,3,4,4,5,5,5-Decafluoropentane using 2-phenylpyridine N-oxide as donor ligand, the enantioselectivity of the Jacobsen - Katsuki epoxidation is improved up to 10% ee as compared to established protocols.
- Diterpenoid and Norditerpenoid Alkaloids from the Roots of Aconitum yesoense var. macroyesoense
[作者：Wada, K; Kawahara, N,期刊：Helvetica Chimica Acta, 页码：629-637 , 文章类型： Article，,卷期：2009年92-4]
- A new diterpenoid alkaloid, macroyesoenline (1), and a new norditerpenoid alkaloid, 9-hydroxyvirescenine (2), have been isolated from the roots of Aconitum yesoense var. macroyesoense. Their structures were elucidated on...
- Triterpenoids and Saponins from the Leaves of Uncaria hirsuta
[作者：Xin, WB; Chou, GX; Wang, ZT,期刊：Helvetica Chimica Acta, 页码：638-644 , 文章类型： Article，,卷期：2009年92-4]
- Three new triterpenoids, (3 beta)-3-hydroxy-27-noroleano-13(28)-lactone (1), (22 alpha)-22-hydroxy-3-oxo-urs-12-ene-27.28-dioic acid (4), and (3 beta)-3-(beta-D-glucopyranosyloxy)-12-oxopyroquinovic acid beta-D-glucopyra...
- A Triterpenoid and Sesquiterpenoids from the Resinous Exudates of Commiphora myrrha
[作者：Shen, T; Wan, WZ; Wang, XN; Yuan, HQ; Ji, M; Lou, HX,期刊：Helvetica Chimica Acta, 页码：645-652 , 文章类型： Article，,卷期：2009年92-4]
- A new 30(14 -> 13)abeo-dammarane triterpenoid, myrrhasin (1), a new 14(10 -> 1)abeo-eudesmane sesquiterpenoid, myrrhanolide A (2), and two new cadinane sesquiterpenoids, myrrhanolides B and C (3 and 4, resp.), its well a...
- Alkaloids from the Leaves of Daphniphyllum longeracemosum ROSENTH.
[作者：Li, CS; Di, YT; Zhang, Q; Zhang, Y; Tan, CJ; Hao, XJ,期刊：Helvetica Chimica Acta, 页码：653-659 , 文章类型： Article，,卷期：2009年92-4]
- Four new Daphniphyllum alkaloids. daphlongamines E-H (1-4, resp.), along with 19 known alkaloids, were isolated front the leaves of Daphniphyllum longeracemosum. Their structures were characterized by spectroscopic metho...
- Two New Triterpenes from the Surface Layer of Poria cocos
[作者：Yang, CH; Zhang, SF; Liu, WY; Zhang, ZJ; Liu, JH,期刊：Helvetica Chimica Acta, 页码：660-667 , 文章类型： Article，,卷期：2009年92-4]
- Two new triterpenes. poricoic acid AE (1) and poricoic acid CE (2). were isolated from the surface layer of the mushroom Poria cocos (SCHw.) WOLF, together with four known triterpenes, 3-O-acetyldehydroeburicoic acid 3-o...
- Synthesis of 5,7-Dihydrodibenzo[b,f][1,7]naphthyridine-6,12-dione, an Unexpected Isolate from Isatis tintoria
[作者：Riepl, HM; Kellermann, M,期刊：Helvetica Chimica Acta, 页码：668-676 , 文章类型： Article，,卷期：2009年92-4]
- The dye plant Isatis tinctoria yields a number of heterocyclic compounds with interesting anti-inflammatory and cytotoxic properties, formed mainly in an unknown manner by post-harvest treatment. A synthesis of the incid...
- 'N-Stereogenic Quaternary Ammonium Salts' from L-Amino Acids: Synthesis, Separation, and Absolute Configuration
[作者：Wu, HF; Lin, WB; Xia, LZ; Luo, YG; Chen, XZ; Li, CY; Zhang, GL; Pan, XF,期刊：Helvetica Chimica Acta, 页码：677-688 , 文章类型： Article，,卷期：2009年92-4]
- Diastereoisomeric linear and cyclic 'N-chiral quaternary ammonium salts' (QASs) were efficiently synthesized from corresponding L-amino acids in high yields. The diastereoisomers of each pair of 'N-chiral QASs' were succ...
- Molecular Rearrangement of 9b-Hydroxy-1H-imidazo[4,5-c]quinoline-2,4-diones - A Convenient Pathway to Spiro-Linked Imidazolidine-Oxindole Derivatives
[作者：Klasek, A; Lycka, A; Miksik, I; Ruzicka, A,期刊：Helvetica Chimica Acta, 页码：689-708 , 文章类型： Article，,卷期：2009年92-4]
- The 1-substituted 3-alkyl/aryl-3-aminoquinoine-2,4(1H,3H)-diones 1 react with alkyl/aryl isocynates to give 3-alkyl/aryl-3-ureidoquinoline-2,4(1H,3H)-diones (=N-(3-alkyl/aryl-1,2,3,4-tetrahydro-2,4-dioxoquinolin-3-yl)ure...
- Lignans and Triterpenoids from the Stems of Kadsura induta
[作者：Ma, WH; Ma, XL; Lu, Y; Chen, DF,期刊：Helvetica Chimica Acta, 页码：709-715 , 文章类型： Article，,卷期：2009年92-4]
- Two new lignans, kadsurindutins C and H (1 and 2, resp.), and a new 18(13 -> 12)-abeo-lanostane triterpenoid acid, kadindutic acid (3). were isolated from the stems of Kadsura induta. together with known lignans and trit...
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