Volume 92; Issue 4

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Helvetica Chimica Acta
Volume 92; Issue 4

Helvetica Chimica Acta

Volume 92; Issue 4

1

Triterpenoids and Saponins from the Leaves of Uncaria hirsuta

Wen-Bo Xin, Gui-Xin Chou, Zheng-Tao Wang

Journal:

Helvetica Chimica Acta

Year:

2009

Language:

english

File:

PDF, 240 KB

english, 2009

2

‘N-Stereogenic Quaternary Ammonium Salts’ from L-Amino Acids: Synthesis, Separation, and Absolute Configuration

Hua-Fang Wu, Wen-Bin Lin, Li-Zi Xia, Ying-Gang Luo, Xiao-Zhen Chen, Guo-You Li, Guo-Lin Zhang, Xin-Fu Pan

Journal:

Helvetica Chimica Acta

Year:

2009

Language:

english

File:

PDF, 201 KB

english, 2009

3

Synthesis of 5,7-Dihydrodibenzo[b,f][1,7]naphthyridine-6,12-dione, an Unexpected Isolate from Isatis tintoria

Herbert M. Riepl, Melanie Kellermann

Journal:

Helvetica Chimica Acta

Year:

2009

Language:

english

File:

PDF, 194 KB

english, 2009

4

Molecular Rearrangement of 9b-Hydroxy-1H-imidazo[4,5-c]quinoline-2,4-diones – A Convenient Pathway to Spiro-Linked Imidazolidine–Oxindole Derivatives

Antonín Klásek, Antonín Lyčka, Ivan Mikšík, Aleš Růžička

Journal:

Helvetica Chimica Acta

Year:

2009

Language:

english

File:

PDF, 323 KB

english, 2009

5

Fused Isothiazole S-Oxide Systems from Cycloaddition Reactions of N-Benzylisothiazol-3-amine 1-Oxide

Francesca Clerici, Alessandro Casoni, Alessandro Contini, Maria L. Gelmi, Sara Pellegrino

Journal:

Helvetica Chimica Acta

Year:

2009

Language:

english

File:

PDF, 266 KB

english, 2009

6

Diterpenoid and Norditerpenoid Alkaloids from the Roots of Aconitum yesoense var. macroyesoense

Koji Wada, Norio Kawahara

Journal:

Helvetica Chimica Acta

Year:

2009

Language:

english

File:

PDF, 183 KB

english, 2009

7

A Triterpenoid and Sesquiterpenoids from the Resinous Exudates of Commiphora myrrha

Tao Shen, Wen-Zhu Wan, Xiao-Ning Wang, Hui-Qing Yuan, Mei Ji, Hong-Xiang Lou

Journal:

Helvetica Chimica Acta

Year:

2009

Language:

english

File:

PDF, 244 KB

english, 2009

8

Two New Acylated Flavonol Glycosides from the Roots of Otostegia limbata

Afsar Khan, Viqar U. Ahmad, Umar Farooq

Journal:

Helvetica Chimica Acta

Year:

2009

Language:

english

File:

PDF, 207 KB

english, 2009

9

Alkaloids from the Leaves of Daphniphyllum longeracemosumRosenth.

Chun-Shun Li, Ying-Tong Di, Qiang Zhang, Yu Zhang, Chen-Jian Tan, Xiao-Jiang Hao

Journal:

Helvetica Chimica Acta

Year:

2009

Language:

english

File:

PDF, 185 KB

english, 2009

10

Two New Triterpenes from the Surface Layer of Poria cocos

Chun-Hua Yang, Shi-Fang Zhang, Wen-Ying Liu, Zun-Jian Zhang, Jing-Han Liu

Journal:

Helvetica Chimica Acta

Year:

2009

Language:

english

File:

PDF, 174 KB

english, 2009

11

Photocleavage of Peptides and Oligodeoxynucleotides Carrying 2-Nitrobenzyl Groups

Roger Ramos, Brendan Manning, Anna Aviñó, Raimundo Gargallo, Ramon Eritja

Journal:

Helvetica Chimica Acta

Year:

2009

Language:

english

File:

PDF, 170 KB

english, 2009

12

Ecdysteroids from Silene viridiflora

András Simon, Noémi Tóth, Gábor Tóth, Zoltán Kele, Judit Groska, Mária Báthori

Journal:

Helvetica Chimica Acta

Year:

2009

Language:

english

File:

PDF, 213 KB

english, 2009

13

Lignans and Triterpenoids from the Stems of Kadsura induta

Wenhui Ma, Xiaolin Ma, Yan Lu, Daofeng Chen

Journal:

Helvetica Chimica Acta

Year:

2009

Language:

english

File:

PDF, 170 KB

english, 2009

14

New Diterpenoids from Tinospora capillipes

Zha-Jun Zhan, Xiao-Yong Zhang, Xiao-Rong Hou, Cheng-Ping Li, Wei-Guang Shan

Journal:

Helvetica Chimica Acta

Year:

2009

Language:

english

File:

PDF, 167 KB

english, 2009

15

New C20-Diterpenoid Alkaloids from Delphinium anthriscifolium var. savatieri

Xiao-Yu Liu, Qiao-Hong Chen, Feng-Peng Wang

Journal:

Helvetica Chimica Acta

Year:

2009

Language:

english

File:

PDF, 205 KB

english, 2009

16

Scalarane Sesterterpenes from the Chinese Sponge Phyllospongia foliascens

Hong-Jun Zhang, Hai-Feng Tang, Yang-Hua Yi, Hou-Wen Lin

Journal:

Helvetica Chimica Acta

Year:

2009

Language:

english

File:

PDF, 162 KB

english, 2009

17

Selectivity Enhancement for the Jacobsen–Katsuki Epoxidation in Fluorinated Solvents

Nizam Havare, Dietmar A. Plattner

Journal:

Helvetica Chimica Acta

Year:

2009

Language:

english

File:

PDF, 169 KB

english, 2009

18

New Bisbibenzyls from Dendrobium falconeri

Boonchoo Sritularak, Kittisak Likhitwitayawuid

Journal:

Helvetica Chimica Acta

Year:

2009

Language:

english

File:

PDF, 150 KB

english, 2009

19

Three New Compounds from Incarvillea delavayi

Tao Lu, Yun-Heng Shen, Min Lu, Jian Tang, Lei Shan, Run-Hui Liu, Hui-Liang Li, Wei-Dong Zhang

Journal:

Helvetica Chimica Acta

Year:

2009

Language:

english

File:

PDF, 149 KB

english, 2009

20

Hastatusides A and B: Two New Phenolic Glucosides from Rumex hastatus

Lan-Sheng Zhang, Zhen Li, Ren-Qiang Mei, Guang-Ming Liu, Chun-Lin Long, Yue-Hu Wang, Yong-Xian Cheng

Journal:

Helvetica Chimica Acta

Year:

2009

Language:

english

File:

PDF, 167 KB

english, 2009

21

The First Postsynthetic 5′-5′ Intercalators in Triplex DNA – Solid-Phase Postsynthetic Sonogashira Reaction and Homocouplings on Arylacetylenes

Niels Bomholt, Vyacheslav V. Filichev, Erik B. Pedersen

Journal:

Helvetica Chimica Acta

Year:

2009

Language:

english

File:

PDF, 588 KB

english, 2009

22

Contents: HCA 4/2009

Journal:

Helvetica Chimica Acta

Year:

2009

Language:

english

File:

PDF, 178 KB

english, 2009