Volume 86; Issue 2

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Helvetica Chimica Acta
Volume 86; Issue 2

Helvetica Chimica Acta

Volume 86; Issue 2

1

Graphical Abstract: HCA 2/2003

Journal:

Helvetica Chimica Acta

Year:

2003

Language:

english

File:

PDF, 214 KB

english, 2003

2

Direct Spectroscopic Evidence that the Photochemical Outcome of Flutamide in a Protein Environment is Tuned by Modification of the Molecular Geometry: A Comparison with the Photobehavior in Cyclodextrin and Vesicles

Salvatore Sortino, Salvatore Petralia, Giuseppe Condorelli, Giancarlo Marconi

Journal:

Helvetica Chimica Acta

Year:

2003

Language:

english

File:

PDF, 128 KB

english, 2003

3

Synthesis and Odor Evaluation of Stereoisomers of Imine Derivatives in Roasted Spotted Shrimp

Toru Tachihara, Susumu Ishizaki, Yoshiko Kurobayashi, Hiroshi Tamura, Youichi Ikemoto, Atsushi Onuma, Keisuke Yoshikawa, Tetsuya Yanai, Takeshi Kitahara

Journal:

Helvetica Chimica Acta

Year:

2003

Language:

english

File:

PDF, 134 KB

english, 2003

4

Isolation and Structural Characterization of New, Highly Functionalized Diterpenes from Euphorbia serrulata

Dóra Rédei, Judit Hohmann, Ferenc Evanics, Peter Forgo, Pál Szabó, Imre Máthé

Journal:

Helvetica Chimica Acta

Year:

2003

Language:

english

File:

PDF, 133 KB

english, 2003

5

Reactions of α,β-Enones with Diazo Compounds, Part 3 : On the Nature of the 1,5-Ring Closure of α,β-Enone Ylides

Olcay Anaç, Ayşe Daut Özdemir, Özkan Sezer

Journal:

Helvetica Chimica Acta

Year:

2003

Language:

english

File:

PDF, 167 KB

english, 2003

6

Novel ent-Abietane Diterpenoids from Isodon eriocalyx var. laxiflora

Xuemei Niu, Shenghong Li, Qinshi Zhao, Shuangxi Mei, Zhongwen Lin, Handong Sun, Yang Lu, Cheng Wang, Qitai Zheng

Journal:

Helvetica Chimica Acta

Year:

2003

Language:

english

File:

PDF, 212 KB

english, 2003

7

Lepidamine, the First Aristolane-Type Sesquiterpene Alkaloid from the Basidiomycete Russula lepida

Jianwen Tan, Zejun Dong, Lin Hu, Jikai Liu

Journal:

Helvetica Chimica Acta

Year:

2003

Language:

english

File:

PDF, 64 KB

english, 2003

8

The Syntheses of Cyclic Spermine Alkaloids: Analogues of Buchnerine and Budmunchiamine C

Yi Li, Manfred Hesse

Journal:

Helvetica Chimica Acta

Year:

2003

Language:

english

File:

PDF, 246 KB

english, 2003

9

Sequential Rearrangement Reactions of Benzhomonorbornadiene Derivatives: Synthesis of 7-Vinylbenzonorbornadiene

Abdullah Menzek, Melek Gökmen

Journal:

Helvetica Chimica Acta

Year:

2003

Language:

english

File:

PDF, 149 KB

english, 2003

10

Chemoselectivity and Conformational Analysis of the Reaction of 2-Acetylcycloalkanones with Benzohydrazide: Synthesis and Reduction of 1-Aroylcycloalkapyrazole Derivatives

Constantinos A. Tsoleridis, Julia Stephanidou-Stephanatou, Chara Zika, Minothora Pozarentzi, Stephanos Alevizopoulos

Journal:

Helvetica Chimica Acta

Year:

2003

Language:

english

File:

PDF, 214 KB

english, 2003

11

An Improved and Versatile Method for the Rapid Synthesis of Aryldihydrobenzofuran Systems by a Boron Tribromide-Mediated Cyclization Reaction

Richard Detterbeck, Manfred Hesse

Journal:

Helvetica Chimica Acta

Year:

2003

Language:

english

File:

PDF, 204 KB

english, 2003

12

Syntheses of β-C(1→3)-Glucopyranosides of 2- and 4-Deoxy-D-hexoses

Raynald Demange, Carine Bühlmann, Pierre Vogel

Journal:

Helvetica Chimica Acta

Year:

2003

Language:

english

File:

PDF, 260 KB

english, 2003

13

Stereoselective Synthesis of (3R)-3,4-Dihydro-6,8-dimethoxy-3-undecyl- 1H-[2]benzopyran-1-one and Derivatives, Metabolites from Ononis natrix

Journal:

Helvetica Chimica Acta

Year:

2003

Language:

english

File:

PDF, 124 KB

english, 2003

14

Effect of the Media on the Quantum Yield of Singlet Oxygen (O2(1Δg)) Production by 9H-Fluoren-9-one: Solvents and Solvent Mixtures

Claudia G. Martínez, Annette Neuner, Cristina Martí, Santi Nonell, André M. Braun, Esther Oliveros

Journal:

Helvetica Chimica Acta

Year:

2003

Language:

english

File:

PDF, 215 KB

english, 2003

15

Novel Polyoxygenated Spirostanol Glycosides from the Rhizomes of Helleborus orientalis

Yoshihiro Mimaki, Kazuki Watanabe, Chiseko Sakuma, Hiroshi Sakagami, Yutaka Sashida

Journal:

Helvetica Chimica Acta

Year:

2003

Language:

english

File:

PDF, 184 KB

english, 2003

16

Phosphorus Pentachloride (PCl5) Mediated Synthesis of Tetraarylporphyrins

Hashem Sharghi, Alireza Hassani Nejad

Journal:

Helvetica Chimica Acta

Year:

2003

Language:

english

File:

PDF, 147 KB

english, 2003

17

Henrycinols A and B, Two Novel Indole Alkaloids Isolated from Melodinus henryiCraib

Yan Wen Zhang, Rui Yang, Qian Cheng, Katsuya Ofuji

Journal:

Helvetica Chimica Acta

Year:

2003

Language:

english

File:

PDF, 113 KB

english, 2003

18

Chemical Transformations of Phyllocladane (=13β-Kaurane) Diterpenoids

Gui Liu, Ralph Müller, Peter Rüedi

Journal:

Helvetica Chimica Acta

Year:

2003

Language:

english

File:

PDF, 258 KB

english, 2003

19

An Unexpected (3→2)-Hydride Shift in Phyllocladane (=13β-Kaurane) Diterpenoids and in Related Trimethyl-Substituted Bi- and Tricyclic Compounds

Ralph Müller, Peter Rüedi

Journal:

Helvetica Chimica Acta

Year:

2003

Language:

english

File:

PDF, 331 KB

english, 2003

20

Three Tyrosinase Inhibitors and Antioxidant Compounds from Salsola foetida

Khalid Mohammed Khan, Ghulam Murtaza Maharvi, Ahmed Abbaskhan, Safdar Hayat, Mahmud Tareq Hassan Khan, Talat Makhmoor, M. Iqbal Choudhary, Farzana Shaheen, Atta-ur-Rahman

Journal:

Helvetica Chimica Acta

Year:

2003

Language:

english

File:

PDF, 214 KB

english, 2003

21

The Macrocyclic Spermidine Alkaloid (−)-(S)-Neoperiphylline: Revision of the Structure Based on the Total Synthesis

Sergey A. Sergeyev, Manfred Hesse

Journal:

Helvetica Chimica Acta

Year:

2003

Language:

english

File:

PDF, 109 KB

english, 2003

22

New Acetylcholinesterase-Inhibitory Pregnane Glycosides of Cynanchum atratum Roots

Ki Yong Lee, Sang Hyun Sung, Young Choong Kim

Journal:

Helvetica Chimica Acta

Year:

2003

Language:

english

File:

PDF, 160 KB

english, 2003

23

Probes for Narcotic Receptor Mediated Phenomena : Synthesis of rac-(3R,6aS,11aR)-1,3,4,5,6,11a-Hexahydro-2-methyl-2H-3,6a-methanobenzofuro[2,3-c]azocin-8-ol, an Epoxy Isomer of 5-Phenylmorphan

Joannes T. M. Linders, Seid Mirsadeghi, Judith L. Flippen-Anderson, Clifford George, Arthur E. Jacobson, Kenner C. Rice

Journal:

Helvetica Chimica Acta

Year:

2003

Language:

english

File:

PDF, 162 KB

english, 2003

24

A New Family of C3-Symmetrical Carbohydrate Receptors

Roger Welti, François Diederich

Journal:

Helvetica Chimica Acta

Year:

2003

Language:

english

File:

PDF, 200 KB

english, 2003

25

Synthesis and Properties of O-β-D-ribofuranosyl-(1″→2′)-guanosine-5″- O-phosphate and Its Derivatives

Ekaterina V. Efimtseva, Alexandra A. Shelkunova, Sergey N. Mikhailov, Koen Nauwelaerts, Jef Rozenski, Eveline Lescrinier, Piet Herdewijn

Journal:

Helvetica Chimica Acta

Year:

2003

Language:

english

File:

PDF, 172 KB

english, 2003

26

Photocycloisomerization of Boc-Protected 5-Alkenyl-2,5-dihydro-1H- pyrrol-2-ones

Matthias N. Wrobel, Paul Margaretha

Journal:

Helvetica Chimica Acta

Year:

2003

Language:

english

File:

PDF, 133 KB

english, 2003

27

New Acylated Preatroxigenin Saponins from Atroxima congolana

Mohamed Elbandy, Tomofumi Miyamoto, Clément Delaude, Marie-Aleth Lacaille-Dubois

Journal:

Helvetica Chimica Acta

Year:

2003

Language:

english

File:

PDF, 112 KB

english, 2003

28

Synthetic Gallic Acid Derivatives as Models for a Comprehensive Study of Antioxidant Activity

Florence Belin, Philippe Barthélémy, Karine Ruiz, Jean Michel Lacombe, Bernard Pucci

Journal:

Helvetica Chimica Acta

Year:

2003

Language:

english

File:

PDF, 307 KB

english, 2003

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