Works in Helvetica Chimica Acta, 1988, Vol 71, Issue 5

Results: 49

Asymmetric Catalysis by Vitamin B12. The isomerization of achiral epoxides to optically active allylic alcohols.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1073, doi. 10.1002/hlca.19880710520

By:

Su, Heng;
Walder, Lorenz;
Zhang, Zhong-da;
Scheffold, Rolf

Publication type:

Article

Colchicine Models: Synthesis and Binding to Tubulin of Tertamethoxybiphenyls.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1199, doi. 10.1002/hlca.19880710531

By:

Itoh, Yoshikuni;
Brossi, Arnold;
Hamel, Ernest;
Lin, Chii M.

Publication type:

Article

Synthese von enantiomerenreinen Violaxanthinen und verwandten Verbindungen.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 931, doi. 10.1002/hlca.19880710502

By:

Acemoglu, Murat;
Uebelhart, Peter;
Rey, Max;
Eugster, Conrad Hans

Publication type:

Article

The Reaction of 3-(Dimethylamino)-2 H-azirines with 2,3-Pyridinedicarboximide.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1319, doi. 10.1002/hlca.19880710542

By:

Obrech, Jean-Pierre;
Schönholzer, Peter;
Jenny, Christain Johannes;
Prewo, Roland;
Heimgartner, Heinz

Publication type:

Article

Synthesis of Ethyl (2 RS,3 SR)-1-Tosyl-3-Vinylazetidine-2-carboxylate and ethyl (2 RS,E)-3-ethylidene-1-tosylazetidine-2-carboxylate (= rac-ethyl N-tosylpolyximate).

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1025, doi. 10.1002/hlca.19880710513

By:

Bauman, Hans;
Duthaler, Rudolf O.

Publication type:

Article

4,10a-(Epidithio)-4,4a,10,10a-tetrahydro-1 H-5-oxaanthracen-1-ones, tetracycles with a novel heterocyclic ring system.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1101, doi. 10.1002/hlca.19880710524

By:

Kolly, Sandra;
Meier, Hansrudolf;
Rihs, Grety;
Winkler, Tammo

Publication type:

Article

Die röntgenstrukturanalysen von ( E)- und ( Z)-2-Buten-1,4-diyl-dithiocyanat bei 93 K.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1235, doi. 10.1002/hlca.19880710535

By:

Belaj, Ferdinand;
Huber, Stefan;
Neier, Reinhard

Publication type:

Article

Thermal and Photochemical Oxetane Formation. A Contribution to the Synthesis of Branched-Chain Aldonolactone.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 981, doi. 10.1002/hlca.19880710506

By:

Mattay, Jochen;
Buchkremer, Karl

Publication type:

Article

Synthesis of Optically Pure Tricarbonyliron Complexes of 5,6-Dimethylidenebicyclo[2.2.2.]oct-2-yl derivatives. Crystal structure and absolute configuration of (+)-tricarbonyl(1 S,2 S,4 R,5 R,6 S)- C,5,6, C,-η-(5,6-dimethylidenebicyclo[2.2.2]oct-2-yl p-bromobenzoate)iron

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1349, doi. 10.1002/hlca.19880710546

By:

Carrupt, Pierre-Alain;
Berchier, Fabienne;
Vogel, Pierre;
Pinkerton, Alan A.;
Schwarzenbach, Dieter

Publication type:

Article

First Synthesis of 2-Vinylindole and its diels-Alder Reactions with CC-Dienophiles.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1060, doi. 10.1002/hlca.19880710517

By:

Pindur, Ulf;
Eitel, Manfred

Publication type:

Article

Norbornanes. Part 21. Bridging strain in norbornyl and oxanorbornyl cations.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1017, doi. 10.1002/hlca.19880710512

By:

Flury, Peter;
Grob, Cyril A.;
Wang, Guang Yi;
Lennartz, Hans-Werner;
Roth, Wolfgang R.

Publication type:

Article

Conformational Flexibility of the Acetoxyphenyl Group Studied by Statistical Analysis of Crystal Structure Data.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1281, doi. 10.1002/hlca.19880710539

By:

Hummel, Wolfgang;
Roszak, Aleksander;
Bürgi, Hans-Beat

Publication type:

Article

8-Aza-7-deaza-2′-deoxyguanosine: Phosphoramidite synthesis and properties of octanucleotides.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1191, doi. 10.1002/hlca.19880710530

By:

Seela, Frank;
Driller, Hansjürgen

Publication type:

Article

Masthead.

Published in:: Helvetica Chimica Acta, 1988, v. 71, n. 5, p. fmi, doi. 10.1002/hlca.19880710501
Publication type:: Article

Präparative chromatographische Enantiomerentrennung von synthetisch nützlichen cyclischen Acetalen.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1303, doi. 10.1002/hlca.19880710541

By:

Seebach, Dieter;
Müller, Stefan G.;
Gysel, Urs;
Zimmermann, Jürg

Publication type:

Article

Design and Synthesis of 5-Lipoxygenase Inhibitors.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1156, doi. 10.1002/hlca.19880710528

By:

Strasser, Michael;
Cooper, Philip;
Dewald, Beatrice;
Payne, Trevor

Publication type:

Article

Leiopathic Acid, a Novel Optically Active Hydroxydocosapentaenoic Acid, and related compounds, from the black coral Leiopathes sp. of Saint Paul Island (S. Indian Ocean).

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1094, doi. 10.1002/hlca.19880710523

By:

Guerriero, Antonio;
D'Ambrosio, Michele;
Peitra, Francesco

Publication type:

Article

The Reversible Proxibarbal-Valofan Isomerisation. Part II. Kinetic studies in a biphasic octanol/water system.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1228, doi. 10.1002/hlca.19880710534

By:

Wittekind, H. Harald;
Testa, Bernard;
Estreicher, Jurek

Publication type:

Article

Mitteilungen.

Published in:: Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1379, doi. 10.1002/hlca.19880710549
Publication type:: Article

EPC syntheses from bicyclic dixoanones; (−)-5-epidehydrofukinone.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 977, doi. 10.1002/hlca.19880710505

By:

Herradón, Bernardo

Publication type:

Article

Absorption Spectra and Luminescence Properties of Isomeric Platinum (II) and Palladium (II) Complexes containing 1,1′-biphenyldiyl, 2-phenylpyridine, and 2,2′-bijpyridine as ligands.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1053, doi. 10.1002/hlca.19880710516

By:

Maestri, Mauro;
Sandrini, Diana;
Balzani, Vincenzo;
von Zelewsky, Alex;
Deuschel-Cornioley, Christine;
Jolliet, Philippe

Publication type:

Article

α-Alkylierung von β-Hydroxycarbonsäuren über 1,3-Dioxan-4-on-Enolate.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1143, doi. 10.1002/hlca.19880710527

By:

Zimmermann, Jürg;
Seebach, Dieter;
Ha, Tae-Kyu

Publication type:

Article

Dreifach-Diamantstruktur von. 2,6-Dioxoadamantan-1,3,5,7-tetracarbonsäure (Hydrat) als Wirtsgitter für Essigsäure.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1084, doi. 10.1002/hlca.19880710522

By:

Ermer, Otto;
Lindenberg, Lorenz

Publication type:

Article

Aldehyde Enol Esters as Novel Chain Terminators in Cationic Olefin Cyclizations.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1000, doi. 10.1002/hlca.19880710509

By:

Simmons, Dana P.;
Reichlin, Daniel;
Skuy, David

Publication type:

Article

Stereoselectivity in Reactions of Metal Complexes. Part X. Kinetics and stereoselectivity of the inner-sphere electron-transfer reaction between [Co(bamap)H2O]+ (bamap = 2,6-bis(3-carboxy-1,2-dimethyl-2-azapropyl)pyridine) and optically active iron(II) complexes

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1339, doi. 10.1002/hlca.19880710545

By:

Bernauer, Klaus;
Pousaz, Philippe;
Porret, Joelle;
Jeanguenat, André

Publication type:

Article

Conformational Flexibility of the Methoxyphenyl Group Studied by Statistical Analysis of Crystal Structure Data.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1291, doi. 10.1002/hlca.19880710540

By:

Hummel, Wolfgang;
Huml, Karel;
Bürgi, Hans-Beat

Publication type:

Article

Radical Ions in the Pentalene Series. Part III. Three paramagnetic redox stages of a dicyclopenta[ a,e]pentalene.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1011, doi. 10.1002/hlca.19880710511

By:

Gerson, Fabian;
Gescheidt, Georg;
Hafner, Klaus;
Nimmerfroh, Norbert;
Stowasser, Berndt

Publication type:

Article

Syntheses and tandem Diels-Alder reactivities of 7,7-diphenyl-[2.2.1]hericene (= 7-(diphenylmethylidene)-2,3,5,6- tetramethylidenebicyclo[2.2.1]heptane) and 7-oxa[2.2.1]hericene ( = 2,3,5,6-tetramethylidenebicyclo[2.2.1]heptan-7-one).

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1268, doi. 10.1002/hlca.19880710538

By:

Rubello, Albino;
Vogel, Pierre

Publication type:

Article

The Reversible Proxibarbal-Valofan Isomerisation. Part I. Kinetic and thermodynamic studies in aqueous solutions.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1220, doi. 10.1002/hlca.19880710533

By:

Wittekind, H. Harald;
Testa, Bernard;
Estreicher, Jurek

Publication type:

Article

Isolation from the Mediterranean Stolonifern Coral Sarcodictyon roseum of Sarcodictyin C, D, E, and F, novel diterpenodic alcohols esterified by ( E)- or ( Z)-N(1)-methylurocanic acid. Failure of the carbon-skeleton type as a classification criterion.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 964, doi. 10.1002/hlca.19880710504

By:

D'Anbrosio, Michele;
Guerriero, Antonio;
Pietra, Franceseco

Publication type:

Article

The Radical Cation of Cyclobutene and its Photoproduct. Preliminary communication.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1069, doi. 10.1002/hlca.19880710519

By:

Gerson, Fabian;
Qin, Xue-Zhi;
Bally, Thomas;
Aebischer, Jean-Nicolas

Publication type:

Article

Singlet-Oxygen Quenching by Carotenoids: Steady-state luminescence experiments.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1005, doi. 10.1002/hlca.19880710510

By:

Murasecco-Suardi, Patricia;
Oliveros, Esther;
Braun, André M.;
Hansen, Hans-Jürgen

Publication type:

Article

Studies on the Biosynthesis of Iridals and Cycloiridals.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1331, doi. 10.1002/hlca.19880710544

By:

Marner, Franz-Josef;
Gladtke, Dieter;
Jaenicke, Lothar

Publication type:

Article

Tandem Diels-Alder Reactivity Controlled by Remote Substituents. Regioselective synthesis of linearly annellated six-membered ring systems from (1 RS,5 SR,6 RS,7 SR)-6,7-bis(chloromethyl)-8,9-dimethylidene-2-oxabicyclo[3.2.2]nonan-3-one. Crystal structure of (1 RS,5 RS,6 SR,11 RS)-6,7-bis(chloromethyl)-3-oxo-2-oxatricyclo[7.4.0.1,5]tridec-8-en-11-yl methyl ketone

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1249, doi. 10.1002/hlca.19880710537

By:

Demarchi, Bernard;
Vogel, Pierre;
Pinkerton, Alan A.

Publication type:

Article

A Vibrational Study of Some 1,2,4-Trioxanes.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 992, doi. 10.1002/hlca.19880710508

By:

Mohnhaupt, Martin;
Hagemann, Hans;
Perler, Jean-Pascal;
Bill, Hans;
Boukouvalas, John;
Rossier, Jean-Claude;
Jefford, Charles W.

Publication type:

Article

A Synthesis of 1 D- and 1 L- myo-Inositol 1,3,4,5,-Tetraphosphate.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1367, doi. 10.1002/hlca.19880710548

By:

Baudin, Gisèle;
Glänzer, Brigitte I.;
Swaminathan, Kivalur S.;
Vasella, Andrea

Publication type:

Article

Synthesis and Characterisation of the Sodium and Lithium Cryptates of Macrobicyclic Ligands incorporating pyridine, bipyridine, and biisoquinoline units.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1042, doi. 10.1002/hlca.19880710515

By:

Alpha, Béatrice;
Anklam, Elke;
Deschenaux, Robert;
Lehn, Jean-Marie;
Pietraskiewiez, Marek

Publication type:

Article

Synthesis and 1H-, 13C-, and 57Fe-NMR spectra of mono- and bis[tricarbonyl(η4-diene)iron], and (η3-allyl)tetracarbonyliron trifluoroborate complexes.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1116, doi. 10.1002/hlca.19880710526

By:

Adams, Christoph M.;
Cerioni, Giovanni;
Hafner, Andreas;
Kalchhauser, Hermann;
von Philipsborn, Wolfgang;
Prewo, Roland;
Schwenk, Andreas

Publication type:

Article

Acid-Catalyzed Rearrangements for a Diastereoselective Entry into a New Fused Hexacyclic Heterocycle: (5 RS,7a RS,12 RS,14a RS,)-4,5,7a,11,12,14,14a-octahydro-5,12-dimethyl-diindolo [1,7- bc: 1′,7′- gh][2,6] naphthyridine.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1079, doi. 10.1002/hlca.19880710521

By:

Papageorgiou, Christos;
Borer, Xaver

Publication type:

Article

Antifungal Polyphenols from Cordia goetzei Gürke.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1210, doi. 10.1002/hlca.19880710532

By:

Marston, Andrew;
Zagorski, Michael G.;
Hostettmann, Kurt

Publication type:

Article

Synthese von Orellin.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 957, doi. 10.1002/hlca.19880710503

By:

Hasseberg, Hans-Albrecht;
Gerlach, Hans

Publication type:

Article

Applications of ENDOR Spectroscopy to Radical Cations in Freon Matrices. Part 1. The radical cation of s- trans-buta-1,3-diene.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1065, doi. 10.1002/hlca.19880710518

By:

Gerson, Fabian;
Qin, Xue-Zhi

Publication type:

Article

[1,1-bis (trimethylsilyl)]-1 H-cyclopropa [ b] napththalene[tricarbonyl-chromium]: The first arene-chromium complex of a cycloproparene.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1328, doi. 10.1002/hlca.19880710543

By:

Müller, Paul;
Bernardinelli, Gérald;
Jacquier, Yvan

Publication type:

Article

Ruthenium(II) Complexes with Three Different Diimine Ligands.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1108, doi. 10.1002/hlca.19880710525

By:

von Zelewsky, Alex;
Gremaud, Gabriel

Publication type:

Article

Synthese neuer schwefel- und selen-haltiger 'Donor-Akzeptor-stabilisierter' Molekülsysteme mit zentraler bicyclo[4.4.1]undeca-4,6,8,10-tetraen-2,3-diyliden- oder Bicyclo[4.4.1]undeca-3,6,8,10-tetraen-2,5-diyliden-Gruppe.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1242, doi. 10.1002/hlca.19880710536

By:

Neidlein, Richard;
Lucchesini, Francesco

Publication type:

Article

Synthese neuer Aryl-(3,-dichloro-4-pyridazinly)-ketone und ihre Reaktion mit N,N-Dinucleophilen.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 988, doi. 10.1002/hlca.19880710507

By:

Eichhorn, Thomas A.;
Piesch, Steffen;
Ried, Walter

Publication type:

Article

The Reaction of Water with Iron- and Rutheniuncarbonyl Complexes of Polyolefins: 1,2- and 1,4-hydrogenation of 1,3-dienes. hydrogenolysis of allylic ethereal bonds and deoxygenation of 7-oxabicyclo[2.2.1]hept-2-enes.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1354, doi. 10.1002/hlca.19880710547

By:

Araki, Shuki;
Bonfantini, Edia;
Vogel, Pierre

Publication type:

Article

Preparation of 3-Oxo- and 3-Ethylideneazetidine Derivatives.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1035, doi. 10.1002/hlca.19880710514

By:

Bauman, Hans;
Duthaler, Rudolf O.

Publication type:

Article

(Benzylthio)- und (Arylthio)-substituierte Nitril-ylide: Thermische Erzeugung und Reaktionen.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1177, doi. 10.1002/hlca.19880710529

By:

Wipf, Peter;
Prevo, Roland;
Bieri, Jost H.;
Germain, Gabriel;
Heimgartner, Heinz

Publication type:

Article