Volume 87; Issue 8

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Helvetica Chimica Acta
Volume 87; Issue 8

Helvetica Chimica Acta

Volume 87; Issue 8

1

Determination of the Dimerization Equilibrium Constants of Omeprazole and Pirkle's Alcohol through Optical-Rotation Measurements

Renato Baciocchi, Markus Juza, Jörg Classen, Marco Mazzotti, Massimo Morbidelli

Journal:

Helvetica Chimica Acta

Year:

2004

Language:

english

File:

PDF, 217 KB

english, 2004

2

Stereoelectronic Effects in the Iodine-Promoted Oxidation of Pentacyclic Tetrahydroisoquinolines

Oliver Koepler, Sabine Laschat, Burkhard Miehlich, Angelika Baro, Peter Fischer

Journal:

Helvetica Chimica Acta

Year:

2004

Language:

english

File:

PDF, 198 KB

english, 2004

3

An Effective and Convenient Method for the Preparation of KAD-1229

Jianchao Liu, Yushe Yang, Ruyun Ji

Journal:

Helvetica Chimica Acta

Year:

2004

Language:

english

File:

PDF, 110 KB

english, 2004

4

Synthesis, Spectroscopic Studies, and Crystal Structures of Phenylorganotin Derivatives with [Bis(2,6-dimethylphenyl)amino]benzoic Acid: Novel Antituberculosis Agents

Vaso Dokorou, Dimitra Kovala-Demertzi, Jerry P. Jasinski, Angeliki Galani, Mavroudis A. Demertzis

Journal:

Helvetica Chimica Acta

Year:

2004

Language:

english

File:

PDF, 237 KB

english, 2004

5

Two Novel ent-Abietane Diterpenoids from Isodon xerophilus

Xue-Mei Niu, Sheng-Hong Li, Zhi Na, Zhong-Wen Lin, Han-Dong Sun

Journal:

Helvetica Chimica Acta

Year:

2004

Language:

english

File:

PDF, 159 KB

english, 2004

6

Efficient Synthesis of α,β-Epoxy Carbonyl Compounds in Acetonitrile: Darzens Condensation of Aromatic Aldehydes with Ethyl Chloroacetate

Zong-Ting Wang, Li-Wen Xu, Chun-Gu Xia, Han-Qing Wang

Journal:

Helvetica Chimica Acta

Year:

2004

Language:

english

File:

PDF, 86 KB

english, 2004

7

Lycopodine-Type Lycopodium Alkaloids from Huperzia serrata

Chang-Heng Tan, Da-Yuan Zhu

Journal:

Helvetica Chimica Acta

Year:

2004

Language:

english

File:

PDF, 108 KB

english, 2004

8

Thermal Isomerization of Isoborneols and Dehydroisoborneols to New Chiral Building Blocks in Terpenoid Synthesis

Georg Rüedi, Hans-Jürgen Hansen

Journal:

Helvetica Chimica Acta

Year:

2004

Language:

english

File:

PDF, 532 KB

english, 2004

9

An Unusual Domino Retro-Ene–Conia Reaction: Regio- and Stereoselective One-Carbon Ring Expansion of Fenchol Derivatives

Georg Rüedi, Dimitri N. Laikov, Hans-Jürgen Hansen

Journal:

Helvetica Chimica Acta

Year:

2004

Language:

english

File:

PDF, 815 KB

english, 2004

10

Three New Homologous 3-Alkyl-1,4-benzoquinones from the Fruiting Bodies of Daldinia concentrica

Xiang-Dong Qin, Ji-Kai Liu

Journal:

Helvetica Chimica Acta

Year:

2004

Language:

english

File:

PDF, 56 KB

english, 2004

11

Ozonolyse von Enolethern. 10. Mitteilung : Ozonisierung von Enolethern aus 1,2- und 1,3-Dicarbonyl-Verbindungen: direkte quantitative Synthese von Phthalonsäure-anhydrid

Kurt Schank, Horst Beck, Susanne Pistorius

Journal:

Helvetica Chimica Acta

Year:

2004

Language:

german

File:

PDF, 725 KB

german, 2004

12

Berchemins A and B: Novel Enzyme-Inhibiting Dimeric Lignan Glycosides from Berchemia pakistanica

Naveen Mukhtar, Abdul Malik, Kiran Iqbal, Rasool Bakhsh Tareen, Shamsun Nahar Khan, Sarfraz Ahmad Nawaz, M. Iqbal Choudhary

Journal:

Helvetica Chimica Acta

Year:

2004

Language:

english

File:

PDF, 121 KB

english, 2004

13

Aurophilic towards H-Bonding Interactions in Phosphine-pyrazolato-gold(I) Complexes: Luminescence Studies and Crystal Structure of {3,5-Bis[4-(octyloxy)phenyl]-1H-pyrazolato-κN1}(triphenylphosphine)gold{3,5-Bis[4-(octyloxy)phenyl]-1H-pyrazole} ([Au(pz)(PPh3)]⋅(Hpz

Paloma Ovejero, Mercedes Cano, José A. Campo, José V. Heras, Antonio Laguna, Olga Crespo, Elena Pinilla, M. Rosario Torres

Journal:

Helvetica Chimica Acta

Year:

2004

Language:

english

File:

PDF, 304 KB

english, 2004

14

Isolation and Structure Elucidation of Enniatins L, M1, M2, and N: Novel Hydroxy Analogs

Pornrapee Vongvilai, Masahiko Isaka, Prasat Kittakoop, Prasert Srikitikulchai, Palangpon Kongsaeree, Samran Prabpai, Yodhathai Thebtaranonth

Journal:

Helvetica Chimica Acta

Year:

2004

Language:

english

File:

PDF, 203 KB

english, 2004

15

Der Mechanismus der Alken-Ozonolyse – eine kritische Betrachtung

Journal:

Helvetica Chimica Acta

Year:

2004

File:

PDF, 269 KB

2004

16

A New Diterpenoid Alkaloid from Aconitum episcopale

Zi Yan Li, Jingfeng Zhao, Jing-Hua Yang, Hong Bin Zhang, Liang Li

Journal:

Helvetica Chimica Acta

Year:

2004

Language:

english

File:

PDF, 75 KB

english, 2004

17

Phosphorus-Nitrogen Compounds: Novel Spirocyclic Phosphazene Derivatives. Structure of 3,3″-Propane-1,3-diylbis[4′,4′,6′,6′-tetrachloro-3,4-dihydrospiro[1,3,2-benzoxazaphosphorine-2,2′λ5-[4λ5,6λ5][1,3,5,2,4,6]triazatriphosphorine]]

Selen Bilge, Amgalan Natsagdorj, Şemsay Demiriz, Nagihan Çaylak, Zeynel Kılıç, Tuncer Hökelek

Journal:

Helvetica Chimica Acta

Year:

2004

Language:

english

File:

PDF, 333 KB

english, 2004

18

Natural p-Menthene Monoterpenes: Synthesis of the Enantiomeric Forms of Wine Lactone, Epi-wine Lactone, Dill Ether, and Epi-dill Ether Starting from a Common Intermediate

Stefano Serra, Claudio Fuganti

Journal:

Helvetica Chimica Acta

Year:

2004

Language:

english

File:

PDF, 202 KB

english, 2004

19

Seven New Norditerpenoid Alkaloids from Spanish Consolida orientalis

Alenguer Alva, Maritza Grandez, Alberto Madinaveitia, Gabriel de la Fuente, José A. Gavín

Journal:

Helvetica Chimica Acta

Year:

2004

Language:

english

File:

PDF, 149 KB

english, 2004

20

A New Preparation of 1,3,3-Trimethylbicyclo[2.2.2]octan-2,6-dione, a Never Isolated Intermediate in a Total Synthesis of (+)-Norpatchoulenol. Formal Total Synthesis of (±)-Iso-Norpatchoulenol

Angela La Bella, Francesca Leonelli, Ilse De Salve, Luisa M. Migneco, Rinaldo Marini Bettolo

Journal:

Helvetica Chimica Acta

Year:

2004

Language:

english

File:

PDF, 106 KB

english, 2004

21

Acovulparine, a New Norditerpene Alkaloid from Aconitum vulparia

Dezső Csupor, Peter Forgo, Imre Máthé, Judit Hohmann

Journal:

Helvetica Chimica Acta

Year:

2004

Language:

english

File:

PDF, 112 KB

english, 2004

22

A Pair of Novel Heptentriol Stereoisomers from the Ascomycete Daldinia concentrica

Fei Wang, Ji-Kai Liu

Journal:

Helvetica Chimica Acta

Year:

2004

Language:

english

File:

PDF, 71 KB

english, 2004

23

Voltammetry as a Virtual Potentiometric Sensor in Modelling of a Metal/Ligand System and Refinement of Stability Constants. Part 2 : Differential-Pulse- and Sampled-Current-Polarographic and Virtual Free-Metal-Ion Potentiometric Study of a Bismuth(III)/Picolinic Acid/Hydroxide System

Ignacy Cukrowski, Jian Min Zhang, Anton van Aswegen

Journal:

Helvetica Chimica Acta

Year:

2004

Language:

english

File:

PDF, 571 KB

english, 2004

24

Confirmation of the Absolute (3R,3′S,6′R)-Configuration of (all-E)-3′-Epilutein

Péter Molnár, József Deli, Erzsébet Ősz, Ferenc Zsila, Miklós Simonyi, Gyula Tóth

Journal:

Helvetica Chimica Acta

Year:

2004

Language:

english

File:

PDF, 242 KB

english, 2004

25

(E/Z)-Isomerization of 3′-Epilutein

Péter Molnár, József Deli, Erzsébet Ősz, Zoltán Matus, Gyula Tóth, Ferenc Zsila

Journal:

Helvetica Chimica Acta

Year:

2004

Language:

english

File:

PDF, 250 KB

english, 2004

26

Contents: HCA 8/2004

Journal:

Helvetica Chimica Acta

Year:

2004

Language:

english

File:

PDF, 273 KB

english, 2004