- Nitrogen-Rich Compounds of the Lanthanoids: The 5,5 '-Azobis[1H-tetrazol-1-ides] of the Light Rare Earths (Ce, Pr, Nd, Sm, Eu, Gd)
[作者：Steinhauser, G; Giester, G; Leopold, N; Wagner, C; Villa, M,期刊：Helvetica Chimica Acta, 页码：2038-2051 , 文章类型： Article，,卷期：2009年92-10]
- On the occasion of Carl Auer von Welsbach's 150th birthday in 2008, we investigated the 5,5'-azobis [1H-tetrazol-1-ides] (C2N102-; (ZT)(2-)) of the light lanthanoids (Ln) cerium, praseodymium, neodymium, samarium, europi...
- Synthesis of (-)-Pinellic Acid and Its (9R,12S,13S)-Diastereoisomer
[作者：Sabitha, G; Bhikshapathi, M; Reddy, EV; Yadav, JS,期刊：Helvetica Chimica Acta, 页码：2052-2057 , 文章类型： Article，,卷期：2009年92-10]
- The total synthesis of (-)-pinellic acid with (9S,12S,13S)-configuration and its (9R,12S,13S)diastereoisomer was achieved in high overall yields from a common intermediate derived from (+)-L-diethyl tartrate.
- Two New Diterpenes from the Twigs of Cinnamomum cassia
[作者：Ngoc, TM; Ha, DT; Lee, IS; Min, BS; Na, MK; Jung, HJ; Lee, SM; Bae, KH,期刊：Helvetica Chimica Acta, 页码：2058-2062 , 文章类型： Article，,卷期：2009年92-10]
- Two new diterpene derivatives named cinnacasol (1) and cinnacaside (2) were isolated from the MeOH extract of the twigs of Cinnamomum cassia BLUME. Their structures were identified based on physicochemical properties and...
- Three New Monoterpene Glucosides from Lamium amplexicaule
[作者：Kikuchi, M; Onoguchi, R; Yaoita, Y,期刊：Helvetica Chimica Acta, 页码：2063-2070 , 文章类型： Article，,卷期：2009年92-10]
- Three new monoterpene glucosides, lamiuamplexosides A-C (1-3), along with thirteen known glucosides, were isolated from the whole plant of Lamium amplexicaule L. The structures of 1-3 were elucidated on the basis of spec...
- Chemical and Genetic Study of Ligularia cyathiceps in Yunnan Province of China
[作者：Nagano, H; Torihata, A; Matsushima, M; Hanai, R; Saito, Y; Baba, M; Tanio, Y; Okamoto, Y; Takashima, Y; Ichihara, M; Gong, X; Kuroda, C; Tori, M,期刊：Helvetica Chimica Acta, 页码：2071-2081 , 文章类型： Article，,卷期：2009年92-10]
- Root chemicals and evolutionarily neutral DNA regions in L. cyathiceps samples collected in the Zhongdian (Shangrila) County of Yunnan, P. R. China, were examined. Twenty compounds were isolated, including three new ones...
- Mitissimolone, a New Sesquiterpene with a Novel Carbon Skeleton from the Basidiomycete Lactarius mitissimus
[作者：Luo, DQ; Liang, SJ; Shi, YL; Tang, HL,期刊：Helvetica Chimica Acta, 页码：2082-2085 , 文章类型： Article，,卷期：2009年92-10]
- Mitissimolone, a new regular sesquiterpene possessing a novel carbon skeleton, was isolated from the EtOH extract of fruiting bodies of Lactarius mitissimus. Its structure was determined by extensive spectroscopic analys...
- Two New Triterpenoids from the Stems of Schisandra bicolor
[作者：Ma, WH; He, JC; Li, L; Qin, LP,期刊：Helvetica Chimica Acta, 页码：2086-2091 , 文章类型： Article，,卷期：2009年92-10]
- Two new triterpenoids, schisanbilactones A and B (1 and 2, resp.), and a new natural product, 1-chloro-3-phenylhex-5-en-3-ol (3), as well as a known triterpenoid, kadsulactone A (4), were isolated from the stems of Schis...
- Juncenolides H-K, New Briarane Diterpenoids from Junceella juncea
[作者：Wang, SS; Chen, YH; Chang, JY; Hwang, TL; Chen, CH; Khalil, AT; Shen, YC,期刊：Helvetica Chimica Acta, 页码：2092-2100 , 文章类型： Article，,卷期：2009年92-10]
- Chemical investigation of the Taiwanese gorgonian coral Junceella juncea resulted in the isolation of four new briarane-type diterpenoids, juncenolides H, I, J, and K (1-4). Their structures were determined on the basis ...
- Irciformonins E-K, C-22-Trinorsesterterpenoids from the Sponge Ircinia formosana
[作者：Shen, YC; Shih, PS; Lin, YS; Lin, YC; Kuo, YH; Koo, YC; Khalil, AT,期刊：Helvetica Chimica Acta, 页码：2101-2110 , 文章类型： Article，,卷期：2009年92-10]
- Chemical investigation of the sponge Ircinia formosana resulted in the isolation of seven new linear C-22-sesterterpenoids, irciformonins E-K (1-7) in addition to irciformonin A (8), a previously isolated furanosesterter...
- Two New Polyoxypregnane Glycosides from Marsdenia tenacissima
[作者：Huang, XD; Liu, T; Wang, S,期刊：Helvetica Chimica Acta, 页码：2111-2117 , 文章类型： Article，,卷期：2009年92-10]
- Two new polyoxypregnane glycosides, marsdenosides L and M (1 and 2, resp.), along with five known polyoxypregnane glycosides, 3-7, were isolated from the stem of Marsdenia tenacissima (ROXB.) WIGHT ET ARN. (Aselepiadacea...
- Alkaloids from the Roots of Stemona tuberosa
[作者：Hu, JP; Yang, DH; Lin, WH; Cai, SQ,期刊：Helvetica Chimica Acta, 页码：2125-2133 , 文章类型： Article，,卷期：2009年92-10]
- Four new alkaloids, didehydrotuberostemonine A (1), stemoninone (2), tuberostemospiroline (3), and tuberostemonine L (4), together with seven known alkaloids, were isolated from the roots of Stemona tuberosa. Their struc...
- Taxane Diterpenoids from Taiwanese Yew Taxus sumatrana
[作者：Chuang, CF; Abd El-Razek, MH; Kuo, YC; Chien, CT; Chou, CH; Shen, YC,期刊：Helvetica Chimica Acta, 页码：2134-2145 , 文章类型： Article，,卷期：2009年92-10]
- Thirty seven taxanes were characterized from the leaves and twigs of Taiwanese yew (Taxus sumatrana, Taxaceae). Four of these metabolites are new and designated as sumataxins A-D (1-4). Compound 1. possesses an 11(15 -> ...
- 2-(2,4-Dinitrobenzyl)pyridine (DNBP): A Potential Light-Activated Proton Shuttle
[作者：Goeschen, C; Herges, R; Richter, J; Tokarczyk, B; Wirz, J,期刊：Helvetica Chimica Acta, 页码：1909-1922 , 文章类型： Article，,卷期：2009年92-10]
- The well-known photochromic tautomerism of 2-(2,4-dinitrobenzyl)pyridine (1; CH; Scheme 1) was re-investigated by flash photolysis in aqueous solution in view of its potential application as a light-activated proton pump...
- Synthesis and Crystal Structures of O-2 ',3 '-Cyclic Cyclopentanone and Cyclohexanone Ketals of the Cytostatic 5-Fluorouridine
[作者：Malecki, E; Ye, F; Reuter, H; Rosemeyer, H,期刊：Helvetica Chimica Acta, 页码：1923-1932 , 文章类型： Article，,卷期：2009年92-10]
- The synthesis of two O-2',3'-cyclic ketals, i.e., 5 and 6, of the cytostatic 5-fluorouridine (2), carrying a cyclopentane and/or a cyclohexane ring, respectively, is described. The novel compounds were characterized by H...
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