- Novel Benzyl- or 4-Cyanobenzyl-Substituted N-Heterocyclic (Bromo)(carbene)silver(I) and (Carbene)(chloro)gold(I) Complexes: Synthesis and Preliminary Cytotoxicity Studies
[作者:Patil, S; Deally, A; Hackenberg, F; Kaps, L; Muller-Bunz, H; Schobert, R; Tacke, M,期刊:Helvetica Chimica Acta, 页码:1551-1562 , 文章类型: Article,,卷期:2011年94-9]
- N-Heterocyclic carbene (NHC) complexes bromo(1,3-dibenzyl-1,3-dihydro-2H-imidazol-2-ylidene)silver(I) (2a), bromo[1-(4-cyanobenzyl)-3-methyl-1,3-dihydro-2H-imidazol-2-ylidene]silver(I) (2b), and bromo[1-(4-cyanobenzyl)-3...
- Stepwise Mechanism of Hydroxide Ion Catalyzed Cyclization of Uridine 3 '-Thiophosphates
[作者:Ora, M; Hanski, A,期刊:Helvetica Chimica Acta, 页码:1563-1574 , 文章类型: Article,,卷期:2011年94-9]
- Diastereoisomeric isopropyl-, 2-ethoxyethyl-, 2,2-dichloroethyl- and 2,2,2-trichloroethyl uridine 3'-thiomonophosphates, 1a-1d, respectively, have been synthesized, and their hydrolyses in aqueous alkali at 25 degrees ha...
- Reactions of Imidoyl Isoselenocyanates with Aromatic 2-Amino N-Heterocycles and 1-Methyl-1H-imidazole
[作者:Zhou, YH; Linden, A; Heimgartner, H,期刊:Helvetica Chimica Acta, 页码:1575-1585 , 文章类型: Article,,卷期:2011年94-9]
- The reaction of N-phenylimidoyl isoselenocyanates 1 with 2-amino-1,3-thiazoles 10 in acetone proceeded smoothly at room temperature to give 4H-1,3-thiazolo[3,2-a] [1,3,5]triazine-4-selones 13 in fair yields (Scheme 2). U...
- Two New Cytotoxic Alkaloids from Mappianthus iodoides HAND.-MAZZ.
[作者:Xiao, XB; Lin, YX; Xu, GB; Gong, XB; Gu, Y; Tong, JF; Yang, J,期刊:Helvetica Chimica Acta, 页码:1594-1599 , 文章类型: Article,,卷期:2011年94-9]
- Two new alkaloids, mappine A (1) and mapposidic acid (2), together with eleven known compounds, were isolated from the stems of Mappianthus iodoides HAND.-MAZZ. Their structures were elucidated by means of spectroscopic ...
- Xestospongienols A-L, Brominated Acetylenic Acids from the Chinese Marine Sponge Xestospongia testudinaria
[作者:Liu, D; Xu, J; Jiang, W; Deng, ZW; de Voogd, NJ; Proksch, P; Lin, WH,期刊:Helvetica Chimica Acta, 页码:1600-1607 , 文章类型: Article,,卷期:2011年94-9]
- Chemical examination of the Chinese marine sponge Xestospongia testudinaria resulted in the isolation and characterization of twelve new brominated acetylenic acids, namely xestospongienols A-L (1a-1d, 2a-2d, and 3a-3d),...
- Inclusion Complexes of Coenzyme Q10 with Polyamine-Modified beta-Cyclodextrins: Characterization, Solubilization, and Inclusion Mode
[作者:Gu, J; Chi, SM; Zhao, Y; Zheng, P; Ruan, Q; Zhao, Y; Zhu, HY,期刊:Helvetica Chimica Acta, 页码:1608-1617 , 文章类型: Article,,卷期:2011年94-9]
- The inclusion-complexation behavior of coenzyme Q10 (CoQ10) with the three polyamine-modified beta-cyclodextrins (CDs) 1-3 was investigated in both solution and the solid state by means of NMR, XRD, and FT-IR spectroscop...
- Tin(II) Halide Insertion or Halogen Exchange in the Reactions of Dihaloplatinum(II) Complexes with Tin(II) Halide
[作者:Momeni, BZ; Kazmi, H; Najafi, A,期刊:Helvetica Chimica Acta, 页码:1618-1627 , 文章类型: Article,,卷期:2011年94-9]
- Reactions of SnCl(2) with the complexes cis-[PtCl(2)(P(2))](P(2) = dppf (1,1'-bis(diphenylphosphino)ferrocene), dppp (1,3-bis(diphenylphosphino)propane = 1,1'-(propane-1,3-diyl)bis[1,1-diphenylphosphine]), dppb (1,4-bis(...
- A New Four-Component Reaction for the Synthesis of Spiro[4H-indeno[1,2-b]pyridine-4,3 '-[3H]indoles]
[作者:Feiz, A; Shakibaei, GI; Yasaei, Z; Khavasi, HR; Bazgir, A,期刊:Helvetica Chimica Acta, 页码:1628-1637 , 文章类型: Article,,卷期:2011年94-9]
- A new four-component synthesis of spiro[4H-indeno[1,2-b]pyridine-4,3'-[3H]indoles] and spiro[acenaphthylene-1(2H), 4'-[4H-indeno[1,2-b]pyridines] by the reaction of indane-1,3-dione, 1,3-dicarbonyl compounds, isatins (=1...
- Secondary Metabolites from the Fungus Monascus purpureus and Evaluation of Their Cytotoxic Activity
[作者:Cheng, MJ; Yang, PH; Wu, MD; Chen, IS; Hsieh, MT; Chen, YL; Yuan, GF,期刊:Helvetica Chimica Acta, 页码:1638-1650 , 文章类型: Article,,卷期:2011年94-9]
- Investigation of the 95% EtOH extract of red yeast rice fermented with the fungus Monascus purpureus BCRC 31615 has led to the isolation and structure elucidation of four new compounds, including one new azaphilone analo...
- Godavarin K: a New Limonoid with an Oxygen Bridge between C(1) and C(29) from the Godavari Mangrove Xylocarpus moluccensis
[作者:Li, J; Li, MY; Satyanandamurty, T; Wu, J,期刊:Helvetica Chimica Acta, 页码:1651-1656 , 文章类型: Article,,卷期:2011年94-9]
- Godavarin K (1), a new limonoid with an oxygen bridge between C(1) and C(29), was obtained from seeds of an Indian mangrove, Xylocarpus moluccensis, together with a known tetranortriterpene, 6-de(acetyloxy)-7-deacetylchi...
- A Simple One-Pot Synthesis of N-Alkyl-2,5-diaryl-1,3-dioxol-4-amines
[作者:Bayat, M; Nasri, S,期刊:Helvetica Chimica Acta, 页码:1657-1661 , 文章类型: Article,,卷期:2011年94-9]
- An efficient procedure for the synthesis of N-alkyl-2,5-diaryl-1,3-dioxol-4-amines 3 via a one-pot reaction of aromatic aldehydes 2 and alkyl isocyanides 1 at room temperature in good yields is described (Scheme 1, Table...
- New Cytochalasins from the Marine-Derived Fungus Xylaria sp SCSIO 156
[作者:Chen, ZM; Huang, HB; Chen, YC; Wang, ZW; Ma, JY; Wang, B; Zhang, WM; Zhang, CS; Ju, JH,期刊:Helvetica Chimica Acta, 页码:1671-1676 , 文章类型: Article,,卷期:2011年94-9]
- Two new cytochalasins, 18-deoxycytochalasin Q (1) and 21-O-deacetylcytochalasin Q (2), together with four known analogues, cytochalasin Q (3), 19,20-epoxycytochalasin Q (4), 21-O-deacetyl-19,20-epoxycytochalasin Q (5), a...
- Three New Neolignans and One New Phenylpropanoid from the Leaves and Stems of Toona ciliata var. pubescens
[作者:Liu, YB; Qin, JJ; Cheng, XR; Zhu, JX; Zhang, F; Jin, HZ; Zhang, WD,期刊:Helvetica Chimica Acta, 页码:1685-1691 , 文章类型: Article,,卷期:2011年94-9]
- Three new neolignans, (7S,8S,7'E)-4,9-dihydroxy-3,7,3',9'-tetramethoxy-8,4'-oxyneolign-7'-ene (1), (7R,8S,7'E)-4, 9-dihydroxy-3,7,3', 9'-tetramethoxy-8,4'-oxyneolign-7'-ene (2), (7S,8S,7'E)-5, 9-dihydroxy-3,7,3',5',9'-pe...
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