Works matching IS 0018019X AND DT 2002 AND VI 85 AND IP 11

Results: 39

Lewis Acid Catalyzed Ring-Opening Reactions of Sugar-Derived Semicyclic N, O-Acetals.

Published in:

Helvetica Chimica Acta, 2002, v. 85, n. 11, p. 3678, doi. 10.1002/1522-2675(200211)85:11<3678::AID-HLCA3678>3.0.CO;2-0

By:

Sugiura, Masaharu;
Hagio, Hiroyuki;
Kobayashi, Shu

Publication type:

Article

Synthesis and Redox Properties of Bis{4-[bis(4-methoxyphenyl)amino]-2,6-bis(2,4,6-triisopropylphenyl)phenyl}diphosphene.

Published in:

Helvetica Chimica Acta, 2002, v. 85, n. 11, p. 3842, doi. 10.1002/1522-2675(200211)85:11<3842::AID-HLCA3842>3.0.CO;2-U

By:

Sasaki, Shigeru;
Aoki, Hiroyuki;
Sutoh, Katsuhide;
Hakiri, Shinobu;
Tsuji, Kyoko;
Yoshifuji, Masaaki

Publication type:

Article

Highly Branched Alkanoic Acids from the Preen-Gland Wax of the Domestic Goose as Building Blocks for Chiral Triphenylenes.

Published in:

Helvetica Chimica Acta, 2002, v. 85, n. 11, p. 3909, doi. 10.1002/1522-2675(200211)85:11<3909::AID-HLCA3909>3.0.CO;2-R

By:

Schultz, Andreas;
Laschat, Sabine;
Morr, Michael;
Diele, Siegmar;
Dreyer, Michael;
Bringmann, Gerhard

Publication type:

Article

Electrostatic Energies in the 1,4-Dichlorobenzene Polymorph Crystals: the Role of Charge Density Overlap Effects in Crystal Packing Analysis.

Published in:

Helvetica Chimica Acta, 2002, v. 85, n. 11, p. 3949, doi. 10.1002/1522-2675(200211)85:11<3949::AID-HLCA3949>3.0.CO;2-J

By:

Dunitz, Jack D.;
Gavezzotti, Angelo

Publication type:

Article

A Domino Aldol Addition/Hemiketal Formation/Hemiketal Formation/Epimerization Route to a Heteroadamantane. A Crystal-Structure, NMR, and Computational Study.

Published in:

Helvetica Chimica Acta, 2002, v. 85, n. 11, p. 3828, doi. 10.1002/1522-2675(200211)85:11<3828::AID-HLCA3828>3.0.CO;2-Z

By:

Glaser, Horst;
Puchta, Ralph;
van Eikema Hommes, Nico J. R.;
Leusser, Dirk;
Murso, Alexander;
Stalke, Dietmar;
Bauer, Walter;
Saalfrank, Rolf W.

Publication type:

Article

Chemo-Enzymatic Synthesis and Determination of the Absolute Configuration of Both Enantiomers of Methyl trans-5-Oxo-2-pentylpyrrolidine-3-carboxylate Precursors of the Aza Analogues of (+)- and (−)-Methylenolactocin.

Published in:

Helvetica Chimica Acta, 2002, v. 85, n. 11, p. 4046, doi. 10.1002/1522-2675(200211)85:11<4046::AID-HLCA4046>3.0.CO;2-F

By:

Felluga, Fulvia;
Fermeglia, Maurizio;
Ferrone, Marco;
Pitacco, Giuliana;
Pricl, Sabrina;
Valentin, Ennio

Publication type:

Article

The Total Synthesis and Biological Assessment of trans-Epothilone A.

Published in:

Helvetica Chimica Acta, 2002, v. 85, n. 11, p. 4086, doi. 10.1002/1522-2675(200211)85:11<4086::AID-HLCA4086>3.0.CO;2-7

By:

Altmann, Karl-Heinz;
Bold, Guido;
Caravatti, Giorgio;
Denni, Donatienne;
Flörsheimer, Andreas;
Schmidt, Alfred;
Rihs, Grety;
Wartmann, Markus

Publication type:

Article

Synthesis and Some Reactions of 2-Acyl-2-alkyl-1,3-dithiolane 1,1-Dioxides.

Published in:

Helvetica Chimica Acta, 2002, v. 85, n. 11, p. 4079, doi. 10.1002/1522-2675(200211)85:11<4079::AID-HLCA4079>3.0.CO;2-S

By:

Barros, M. Teresa;
Henriques, António S.;
Leitão, Alcino J.;
Maycock, Christopher D.

Publication type:

Article

Facile Access to Versatile Polyaromatic Building Blocks: Selectively Protected Benzocyclobutenedione Derivatives via Regioselective [2+2] Cycloaddition of α-Alkoxybenzyne and Ketene Silyl Acetal.

Published in:

Helvetica Chimica Acta, 2002, v. 85, n. 11, p. 3589, doi. 10.1002/1522-2675(200211)85:11<3589::AID-HLCA3589>3.0.CO;2-Z

By:

Hamura, Toshiyuki;
Hosoya, Takamitsu;
Yamaguchi, Hiroki;
Kuriyama, Yokusu;
Tanabe, Mitsujiro;
Miyamoto, Makoto;
Yasui, Yoshizumi;
Matsumoto, Takashi;
Suzuki, Keisuke

Publication type:

Article

Trans-Hydrogen-Bond Scalar Couplings as a Source of Structural Constraints in NMR of Proteins: DFT Analysis.

Published in:

Helvetica Chimica Acta, 2002, v. 85, n. 11, p. 3984, doi. 10.1002/1522-2675(200211)85:11<3984::AID-HLCA3984>3.0.CO;2-4

By:

Heinz, Tim;
Moreira, Osvaldo;
Pervushin, Konstantin

Publication type:

Article

Synthesis of Cryptolepine and Cryptoteckieine from a Common Intermediate.

Published in:

Helvetica Chimica Acta, 2002, v. 85, n. 11, p. 3823, doi. 10.1002/1522-2675(200211)85:11<3823::AID-HLCA3823>3.0.CO;2-S

By:

Ho, Tse-Lok;
Jou, Der-Guey

Publication type:

Article

A Facile Synthesis of a Wide Variety of Cationic Ruthenium Hydrido-Arene Complexes of binap (=1,1′-Binaphthalene-2,2′-diylbis(diphenylphosphane)) and MeObiphep (=6,6′-Dimethoxybiphenyl-2,2′-diylbis(diphenylphosphane)).

Published in:

Helvetica Chimica Acta, 2002, v. 85, n. 11, p. 3937, doi. 10.1002/1522-2675(200211)85:11<3937::AID-HLCA3937>3.0.CO;2-X

By:

Geldbach, Tilmann J.;
Pregosin, Paul S.

Publication type:

Article

In Search of Organic Zeolites - Does Modern Information Retrieval Inevitably Become a 'Sieving-the-Desert' Exercise?

Published in:

Helvetica Chimica Acta, 2002, v. 85, n. 11, p. 4012, doi. 10.1002/1522-2675(200211)85:11<4012::AID-HLCA4012>3.0.CO;2-8

By:

Zass, Engelbert;
Plattner, Dietmar A.;
Beck, Albert K.;
Neuburger, Markus

Publication type:

Article

Efficient Method for the Elongation of the N-Acetylglucosamine Unit by Combined Use of Chitinase and β-Galactosidase.

Published in:

Helvetica Chimica Acta, 2002, v. 85, n. 11, p. 3919, doi. 10.1002/1522-2675(200211)85:11<3919::AID-HLCA3919>3.0.CO;2-P

By:

Shoda, Shin-ichiro;
Fujita, Masaya;
Lohavisavapanichi, Chakapan;
Misawa, Yoshinori;
Ushizaki, Koushin;
Tawata, Yukiko;
Kuriyama, Mao;
Kohri, Michinari;
Kuwata, Hideyuki;
Watanabe, Takeshi

Publication type:

Article

The Control of the Stereochemistry in the Palladium-Catalyzed Alternating Styrene/Carbon Monoxide Copolymerization: Effect of the Chirality of the Ligand and of the Ligand-to-Palladium Ratio, Preliminary Communication.

Published in:

Helvetica Chimica Acta, 2002, v. 85, n. 11, p. 4074, doi. 10.1002/1522-2675(200211)85:11<4074::AID-HLCA4074>3.0.CO;2-L

By:

Gsponer, Achim;
Milani, Barbara;
Consiglio, Giambattista

Publication type:

Article

Enhanced Hydrolytic Stability of Short-Chain Poly[( R)-3-hydroxybutyrate] Conjugated to Native E. coli Cytoplasmic Proteins.

Published in:

Helvetica Chimica Acta, 2002, v. 85, n. 11, p. 3867, doi. 10.1002/1522-2675(200211)85:11<3867::AID-HLCA3867>3.0.CO;2-X

By:

Reusch, Rosetta N.;
Bryant, E. M.

Publication type:

Article

Synthesis and MMP-Inhibitory Activity of Gelastatin Analogues.

Published in:

Helvetica Chimica Acta, 2002, v. 85, n. 11, p. 3994, doi. 10.1002/1522-2675(200211)85:11<3994::AID-HLCA3994>3.0.CO;2-2

By:

Cho, Ju-Hee;
Ko, Soo Y.;
Oh, Eugene;
Park, Jae C.;
Yoo, Ji U.

Publication type:

Article

Synthesis of (±)-Nephromopsinic, (−)-Phaseolinic, and (−)-Dihydropertusaric Acids.

Published in:

Helvetica Chimica Acta, 2002, v. 85, n. 11, p. 3965, doi. 10.1002/1522-2675(200211)85:11<3965::AID-HLCA3965>3.0.CO;2-2

By:

Brecht-Forster, Andrea;
Fitremann, Juliette;
Renaud, Philippe

Publication type:

Article

Building an Organic Zeolite from a Macrocyclic TADDOL Derivative or How to Teach an Old Dog New Tricks.

Published in:

Helvetica Chimica Acta, 2002, v. 85, n. 11, p. 4000, doi. 10.1002/1522-2675(200211)85:11<4000::AID-HLCA4000>3.0.CO;2-M

By:

Plattner, Dietmar A.;
Beck, Albert K.;
Neuburger, Markus

Publication type:

Article

Nucleo- β-Amino Acids: Synthesis and Oligomerization to β-Homoalanyl-PNA.

Published in:

Helvetica Chimica Acta, 2002, v. 85, n. 11, p. 3855, doi. 10.1002/1522-2675(200211)85:11<3855::AID-HLCA3855>3.0.CO;2-A

By:

Brückner, Arndt M.;
Schmitt, Harald W.;
Diederichsen, Ulf

Publication type:

Article

Synthesis of a Novel Class of Carbohydrate-Containing Calix[4]resorcinarene Adopting an Asymmetrical Diamond Structure.

Published in:

Helvetica Chimica Acta, 2002, v. 85, n. 11, p. 3895, doi. 10.1002/1522-2675(200211)85:11<3895::AID-HLCA3895>3.0.CO;2-2

By:

Sakhaii, Peyman;
Verdier, Laurent;
Ikegami, Takahila;
Griesinger, Christian

Publication type:

Article

Tandem Inter [4+2]/Intra [3+2] Cycloadditions of Nitroalkenes. Application to the Synthesis of Aminocarbasugars.

Published in:

Helvetica Chimica Acta, 2002, v. 85, n. 11, p. 3712, doi. 10.1002/1522-2675(200211)85:11<3712::AID-HLCA3712>3.0.CO;2-5

By:

Denmark, Scott E.;
Juhl, Martin

Publication type:

Article

Vicinal Dianion of Triethyl Ethanetricarboxylate: Syntheses of (±)-Lichesterinic Acid, (±)-Phaseolinic Acid, (±)-Nephromopsinic Acid, (±)-Rocellaric Acid, and (±)-Dihydroprotolichesterinic Acid.

Published in:

Helvetica Chimica Acta, 2002, v. 85, n. 11, p. 3792, doi. 10.1002/1522-2675(200211)85:11<3792::AID-HLCA3792>3.0.CO;2-Q

By:

Pohmakotr, Manat;
Harnying, Wacharee;
Tuchinda, Patoomratana;
Reutrakul, Vichai

Publication type:

Article

NMR Solution Structure of the Duplex Formed by Self-Pairing of α- L-Arabinopyranosyl-(4′2′)-(CGAATTCG).

Published in:

Helvetica Chimica Acta, 2002, v. 85, n. 11, p. 4055, doi. 10.1002/1522-2675(200211)85:11<4055::AID-HLCA4055>3.0.CO;2-J

By:

Ebert, Marc-Olivier;
Luther, Anatol;
Huynh, Hoan K.;
Krishnamurthy, Ramanarayanan;
Eschenmoser, Albert;
Jaun, Bernhard

Publication type:

Article

Preparation of New Ferrocenylmonophosphine Ligands Containing Two Planar Chiral Ferrocenyl Moieties and Their Use for Palladium-Catalyzed Asymmetric Hydrosilylation of 1,3-Dienes.

Published in:

Helvetica Chimica Acta, 2002, v. 85, n. 11, p. 3848, doi. 10.1002/1522-2675(200211)85:11<3848::AID-HLCA3848>3.0.CO;2-V

By:

Han, Jin Wook;
Tokunaga, Norihito;
Hayashi, Tamio

Publication type:

Article

Crystallization-Induced Asymmetric Transformations. Enantiomerically pure (−)-( R)- and (+)-( S)-2,3-Dibromopropan-1-ol and Epibromohydrins. A Study of Dynamic Resolution via the Formation of Diastereoisomeric Esters.

Published in:

Helvetica Chimica Acta, 2002, v. 85, n. 11, p. 3785, doi. 10.1002/1522-2675(200211)85:11<3785::AID-HLCA3785>3.0.CO;2-A

By:

Brunetto, Gabriella;
Gori, Susanna;
Fiaschi, Rita;
Napolitano, Elio

Publication type:

Article

Synthesis and Crystal Structure of Peptide-2,2′-Biphenyl Hybrids.

Published in:

Helvetica Chimica Acta, 2002, v. 85, n. 11, p. 3624, doi. 10.1002/1522-2675(200211)85:11<3624::AID-HLCA3624>3.0.CO;2-Y

By:

Mann, Enrique;
Montero, Ana;
Maestro, Miguel A.;
Herradón, Bernardo

Publication type:

Article

Asymmetric Synthesis of α-Substituted N-Methylsulfonamides.

Published in:

Helvetica Chimica Acta, 2002, v. 85, n. 11, p. 3657, doi. 10.1002/1522-2675(200211)85:11<3657::AID-HLCA3657>3.0.CO;2-A

By:

Enders, Dieter;
Thomas, Christian R.;
Vignola, Nicola;
Raabe, Gerhard

Publication type:

Article

Probing Catalytic Solid-Liquid Interfaces by Attenuated Total Reflection Infrared Spectroscopy: Adsorption of Carboxylic Acids on Alumina and Titania.

Published in:

Helvetica Chimica Acta, 2002, v. 85, n. 11, p. 3639, doi. 10.1002/1522-2675(200211)85:11<3639::AID-HLCA3639>3.0.CO;2-2

By:

Ferri, Davide;
Bürgi, Thomas;
Baiker, Alfons

Publication type:

Article

Enhancement of Homochirality in Oligopeptides by Quartz.

Published in:

Helvetica Chimica Acta, 2002, v. 85, n. 11, p. 3975, doi. 10.1002/1522-2675(200211)85:11<3975::AID-HLCA3975>3.0.CO;2-0

By:

Hitz, Thomas;
Luisi, Pier Luigi

Publication type:

Article

β-Peptides with Different Secondary-Structure Preferences: How Different Are Their Conformational Spaces?

Published in:

Helvetica Chimica Acta, 2002, v. 85, n. 11, p. 3872, doi. 10.1002/1522-2675(200211)85:11<3872::AID-HLCA3872>3.0.CO;2-O

By:

Baron, Riccardo;
Bakowies, Dirk;
van Gunsteren, Wilfred F.;
Daura, Xavier

Publication type:

Article

On the Thermal Stability of β-Peptides: A Two-Dimensional Vibrational Spectroscopy Study.

Published in:

Helvetica Chimica Acta, 2002, v. 85, n. 11, p. 3883, doi. 10.1002/1522-2675(200211)85:11<3883::AID-HLCA3883>3.0.CO;2-G

By:

Hamm, Peter;
Woutersen, Sander;
Rueping, Magnus

Publication type:

Article

On the Mechanism of Internal ortho-Lithiation in a Mixed Complex Between BuLi and a Chiral Lithium Amide.

Published in:

Helvetica Chimica Acta, 2002, v. 85, n. 11, p. 3814, doi. 10.1002/1522-2675(200211)85:11<3814::AID-HLCA3814>3.0.CO;2-O

By:

Arvidsson, Per I.;
Hilmersson, Göran;
Davidsson, Öjvind

Publication type:

Article

Enantioselective Nitrogen Transfer to Sulfides from Nitridomanganese(V) Complexes.

Published in:

Helvetica Chimica Acta, 2002, v. 85, n. 11, p. 3773, doi. 10.1002/1522-2675(200211)85:11<3773::AID-HLCA3773>3.0.CO;2-O

By:

Tomooka, Craig S.;
Carreira, Erick M.

Publication type:

Article

Helix-Forming Oligoureas: Temperature-Dependent NMR, Structure Determination, and Circular Dichroism of a Nonamer with Functionalized Side Chains.

Published in:

Helvetica Chimica Acta, 2002, v. 85, n. 11, p. 3692, doi. 10.1002/1522-2675(200211)85:11<3692::AID-HLCA3692>3.0.CO;2-W

By:

Hemmerlin, Christine;
Marraud, Michel;
Rognan, Didier;
Graff, Roland;
Semetey, Vincent;
Briand, Jean-Paul;
Guichard, Gilles

Publication type:

Article

New Rhodium Complexes Coordinated by Bidentate Imine Ligands with Benzothiazolyl Functionalities.

Published in:

Helvetica Chimica Acta, 2002, v. 85, n. 11, p. 3737, doi. 10.1002/1522-2675(200211)85:11<3737::AID-HLCA3737>3.0.CO;2-8

By:

Julius, Gerrit R.;
Cronje, Stephanie;
Neveling, Arno;
Esterhuysen, Catharine;
Raubenheimer, Helgard G.

Publication type:

Article

The Role of Ate Complexes in the Lithium-Sulfur, Lithium-Selenium and Lithium-Tellurium Exchange Reactions.

Published in:

Helvetica Chimica Acta, 2002, v. 85, n. 11, p. 3748, doi. 10.1002/1522-2675(200211)85:11<3748::AID-HLCA3748>3.0.CO;2-0

By:

Reich, Hans J.;
Gudmundsson, Birgir Ö.;
Green, D. Patrick;
Bevan, Martin J.;
Reich, Ieva L.

Publication type:

Article

Enantioselective Nucleophilic Aromatic Substitution with Small-Molecule Chiral Selectors.

Published in:

Helvetica Chimica Acta, 2002, v. 85, n. 11, p. 3605, doi. 10.1002/1522-2675(200211)85:11<3605::AID-HLCA3605>3.0.CO;2-W

By:

Snyder, Seth E.;
Shvets, Alex B.;
Pirkle, William H.

Publication type:

Article

A Convenient, Room-Temperature-Organic Base Protocol for Preparing Chiral 3-(Enoyl)-1,3-oxazolidin-2-ones.

Published in:

Helvetica Chimica Acta, 2002, v. 85, n. 11, p. 3616, doi. 10.1002/1522-2675(200211)85:11<3616::AID-HLCA3616>3.0.CO;2-O

By:

Soloshonok, Vadim A.;
Ueki, Hisanori;
Jiang, Changchun;
Cai, Chaozhong;
Hruby, Victor J.

Publication type:

Article