Works matching IS 0018019X AND DT 1991 AND VI 74 AND IP 6

Results: 26

Synthèse énantiospécifique du (-)-(1 S,3 R,5 R)-1,8-diméthyl-3-éthyl-2,9-dioxabicyclo[3.3.1]non-7-ène.

Published in:

Helvetica Chimica Acta, 1991, v. 74, n. 6, p. 1233, doi. 10.1002/hlca.19910740610

By:

Kallimopoulos, Thomas;
Deschenaux, Pierre-François;
Jacot-Guillarmod, André

Publication type:

Article

Alternative Strategies for the Fmoc Solid-Phase Synthesis of O4-Phospho-L-tyrosine-Containing Peptides.

Published in:

Helvetica Chimica Acta, 1991, v. 74, n. 6, p. 1314, doi. 10.1002/hlca.19910740621

By:

Kitas, Eric A.;
Knorr, Reinhard;
Trzeciak, Arnold;
Bannwarth, Willi

Publication type:

Article

Crystal Structures of the Lanthanum(III), Europium(III), and Terbium(III) Cryptates of Tris(bipyridine) Macrobicyclic Ligands.

Published in:

Helvetica Chimica Acta, 1991, v. 74, n. 6, p. 1163, doi. 10.1002/hlca.19910740603

By:

Bkouche-Waksman, Itka;
Guilhem, Jean;
Pascard, Claudine;
Alpha, Béatrice;
Deschenaux, Robert;
Lehn, Jean-Marie

Publication type:

Article

Synthese von 'Push-Pull'-Oligoacetylenen.

Published in:

Helvetica Chimica Acta, 1991, v. 74, n. 6, p. 1264, doi. 10.1002/hlca.19910740614

By:

Bartlome, Andreas;
Stämpfli, Urs;
Neuenschwander, Markus

Publication type:

Article

Glycosylidene Carbenes. Part 4. Synthesis of Spirocyclopropanes from Acetamidoglycosylidene-Derived Diazirines.

Published in:

Helvetica Chimica Acta, 1991, v. 74, n. 6, p. 1362, doi. 10.1002/hlca.19910740625

By:

Vasella, Andrea;
Witzig, Christian;
Husi, René

Publication type:

Article

Biphenyltetrols and Dibenzofuranones from Oxidative Coupling of Resorcinols with 4-Alkylpyrocatechols: New Ciues to the Mechanism of Insect Cuticle Sclerotization.

Published in:

Helvetica Chimica Acta, 1991, v. 74, n. 6, p. 1205, doi. 10.1002/hlca.19910740607

By:

Miessner, Merle;
Crescenzi, Orlando;
Napolitano, Alessandra;
Prota, Giuseppe;
Andersen, Svend Olav;
Peter, Martin G.

Publication type:

Article

Structure and reactivity of xanthocorrinoids. Part V. Formation of trans-diol derivatives of 5,6-dihydrocobyrinic acid from xanthocorrinoids under acidic conditions.

Published in:

Helvetica Chimica Acta, 1991, v. 74, n. 6, p. 1287, doi. 10.1002/hlca.19910740618

By:

Holxe, Gerhard;
Jenny, Titus A.;
Nesvadba, Petr;
Gossauer, Albert;
Ernst, Ludger;
Keller, Walter;
Kratky, Christoph

Publication type:

Article

Reactions of Sulfinylated Radicals. Stereoselectivity in Six-Membered Rings.

Published in:

Helvetica Chimica Acta, 1991, v. 74, n. 6, p. 1305, doi. 10.1002/hlca.19910740620

By:

Rehaud, Philippe

Publication type:

Article

Crystal Structures of the Lithium Cryptates of Two Macrobicyclic Ligands Containing Pyridine, Bipyridine, and Biisoquinoline Units.

Published in:

Helvetica Chimica Acta, 1991, v. 74, n. 6, p. 1157, doi. 10.1002/hlca.19910740602

By:

Cesario, Michèle;
Guilhem, Jean;
Pascard, Claudine;
Anklam, Elke;
Lehn, Jean-Marie;
Pietraszkiewicz, Marek

Publication type:

Article

Base Hydrolysis of (Acidato)(Pentaamine) Complexes with Inert Metal Centers: Electronic Structure of the Intermediates, Requirements for Their Formation, and the Unique Reactivity of the Complexes of Cobalt(III).

Published in:

Helvetica Chimica Acta, 1991, v. 74, n. 6, p. 1247, doi. 10.1002/hlca.19910740613

By:

Rotzinger, François P.;
Weber, Jacques;
Daul, Claude

Publication type:

Article

Stereoselektive Synthese von Pyrrolizidin-Alkaloiden aus Nitroalkanonen.

Published in:

Helvetica Chimica Acta, 1991, v. 74, n. 6, p. 1352, doi. 10.1002/hlca.19910740624

By:

Janowitz, Agnes;
Vavrecka, Mojmir;
Hesse, Manfred

Publication type:

Article

IR, Multinuclear-NMR, and Structural Studies on [WH(CO)2(NO)(PR3)2]: cis-Influence of Phosphorus Ligands on Hydride Character.

Published in:

Helvetica Chimica Acta, 1991, v. 74, n. 6, p. 1194, doi. 10.1002/hlca.19910740606

By:

Van Der Zeijden, Adolphus A. H.;
Sontag, Christoph;
William Bosch, H.;
Shklover, Valery;
Berke, Heinz;
Nanz, Daniel;
Philipsborn, Wolfgang Von

Publication type:

Article

Metabolic products of microorganisms. Part 262. The absolute configuration of sphydrofuran, a widespread metabolite from streptomycetes.

Published in:

Helvetica Chimica Acta, 1991, v. 74, n. 6, p. 1281, doi. 10.1002/hlca.19910740617

By:

Bindseil, Kai U.;
Henkel, Thomas;
Zeeck, Axel;
Bur, Daniel;
Niederer, Daniel;
Séquin, Urs

Publication type:

Article

Masthead.

Published in:: Helvetica Chimica Acta, 1991, v. 74, n. 6, p. fmi, doi. 10.1002/hlca.19910740601
Publication type:: Article

The Synthesis of 1,2,4-Trioxan-5-ones.

Published in:

Helvetica Chimica Acta, 1991, v. 74, n. 6, p. 1239, doi. 10.1002/hlca.19910740612

By:

Jefford, Charles W.;
Currie, Jane;
Richardson, Geoffrey D.;
Rossier, Jean-Claude

Publication type:

Article

3:1 Molecular Complex of Hydroquinone and C60.

Published in:

Helvetica Chimica Acta, 1991, v. 74, n. 6, p. 1339, doi. 10.1002/hlca.19910740623

By:

Ermer, Otto

Publication type:

Article

Stericaliy Congested Molecules: 2,2′-[(Biaryldiyl)bis(oxy)]bis[1,3,2-oxazaphospholidines].

Published in:

Helvetica Chimica Acta, 1991, v. 74, n. 6, p. 1175, doi. 10.1002/hlca.19910740605

By:

Pastor, Stephen D.;
Rodebaugh, R. K.;
Odorisio, Paul A.;
Pugin, Benoit;
Rihs, Grety;
Togni, Antonio

Publication type:

Article

Monosubstitution von Octa(hydridosilasesquioxan) H8Si8O12 zu R′H7Si8O12 mittels Hydrosilylierung Kurzmitteilung.

Published in:

Helvetica Chimica Acta, 1991, v. 74, n. 6, p. 1278, doi. 10.1002/hlca.19910740616

By:

Calzaferri, Gion;
Herren, Daniel;
Imhof, Roman

Publication type:

Article

Einelektronen-Redox-Reaktionen von Octamethyl[4]radialen: Nachweis der Alternanz geradzahliger Radialene.

Published in:

Helvetica Chimica Acta, 1991, v. 74, n. 6, p. 1221, doi. 10.1002/hlca.19910740609

By:

Bock, Hans;
Rohn, Günther

Publication type:

Article

Quantitative Formation in Water of [Ru(CO)(H2O)5]2+ from Hexaaquaruthenium(II) and Carbon Monoxide.

Published in:

Helvetica Chimica Acta, 1991, v. 74, n. 6, p. 1236, doi. 10.1002/hlca.19910740611

By:

Laurenczy, Gábor;
Helm, Lothar;
Ludi, Andreas;
Merbach, André E.

Publication type:

Article

Madeiranes, a New Class of Pentacyclic Triterpenes: D-Friedo-madeir-14-en-3β-ol and -3-one, D: C-Friedomadeir-7-en-3β-ol and -3-one.

Published in:

Helvetica Chimica Acta, 1991, v. 74, n. 6, p. 1329, doi. 10.1002/hlca.19910740622

By:

Ferreira, Maria-José Umbelino;
Lobo, Ana M.;
O'Mahoney, Caroline A.;
Williams, David J.;
Wyler, Hugo

Publication type:

Article

Site-Selectivity in the Fe+-Mediated CH/CC Bond Activation of Aldimines Short Communication.

Published in:

Helvetica Chimica Acta, 1991, v. 74, n. 6, p. 1171, doi. 10.1002/hlca.19910740604

By:

Prüsse, Tilmann;
Schwarz, Helmut

Publication type:

Article

Lagotoside: A New Phenylpropanoid Glycoside from Lagotis stolonifera.

Published in:

Helvetica Chimica Acta, 1991, v. 74, n. 6, p. 1273, doi. 10.1002/hlca.19910740615

By:

Çaliş, İhsan;
Taşdemir, Deniz;
Wright, Anthony D.;
Sticher, Otto

Publication type:

Article

Mitteilungen.

Published in:: Helvetica Chimica Acta, 1991, v. 74, n. 6, p. 1373, doi. 10.1002/hlca.19910740626
Publication type:: Article

α-Methylidene- and α-Alkylidene-β-lactams from Nonproteinogenic Amino Acids.

Published in:

Helvetica Chimica Acta, 1991, v. 74, n. 6, p. 1213, doi. 10.1002/hlca.19910740608

By:

Buchholz, Rainer;
Hoffmann, H. Martin R.

Publication type:

Article

High-Resolution Solid-State MAS13C- and 1H-NMR Spectra of Benzenoid Aromatics Adsorbed on Alumina and Silica: Successful Applications of 1D and 2D Pulse Experiments from Liquid-State NMR.

Published in:

Helvetica Chimica Acta, 1991, v. 74, n. 6, p. 1296, doi. 10.1002/hlca.19910740619

By:

Ebener, Michael;
Fircks, Gero Von;
Günther, Harald

Publication type:

Article

Works matching IS 0018019X AND DT 1991 AND VI 74 AND IP 6

Synthèse énantiospécifique du (-)-(1 S,3 R,5 R)-1,8-diméthyl-3-éthyl-2,9-dioxabicyclo[3.3.1]non-7-ène.

Alternative Strategies for the Fmoc Solid-Phase Synthesis of O<sup>4</sup>-Phospho-L-tyrosine-Containing Peptides.

Crystal Structures of the Lanthanum(III), Europium(III), and Terbium(III) Cryptates of Tris(bipyridine) Macrobicyclic Ligands.

Synthese von 'Push-Pull'-Oligoacetylenen.

Glycosylidene Carbenes. Part 4. Synthesis of Spirocyclopropanes from Acetamidoglycosylidene-Derived Diazirines.

Biphenyltetrols and Dibenzofuranones from Oxidative Coupling of Resorcinols with 4-Alkylpyrocatechols: New Ciues to the Mechanism of Insect Cuticle Sclerotization.

Structure and reactivity of xanthocorrinoids. Part V. Formation of trans-diol derivatives of 5,6-dihydrocobyrinic acid from xanthocorrinoids under acidic conditions.

Reactions of Sulfinylated Radicals. Stereoselectivity in Six-Membered Rings.

Crystal Structures of the Lithium Cryptates of Two Macrobicyclic Ligands Containing Pyridine, Bipyridine, and Biisoquinoline Units.

Base Hydrolysis of (Acidato)(Pentaamine) Complexes with Inert Metal Centers: Electronic Structure of the Intermediates, Requirements for Their Formation, and the Unique Reactivity of the Complexes of Cobalt(III).

Stereoselektive Synthese von Pyrrolizidin-Alkaloiden aus Nitroalkanonen.

IR, Multinuclear-NMR, and Structural Studies on [WH(CO)<sub>2</sub>(NO)(PR<sub>3</sub>)<sub>2</sub>]: cis-Influence of Phosphorus Ligands on Hydride Character.

Metabolic products of microorganisms. Part 262. The absolute configuration of sphydrofuran, a widespread metabolite from streptomycetes.

Masthead.

The Synthesis of 1,2,4-Trioxan-5-ones.

3:1 Molecular Complex of Hydroquinone and C<sub>60</sub>.

Stericaliy Congested Molecules: 2,2′-[(Biaryldiyl)bis(oxy)]bis[1,3,2-oxazaphospholidines].

Monosubstitution von Octa(hydridosilasesquioxan) H<sub>8</sub>Si<sub>8</sub>O<sub>12</sub> zu R′H<sub>7</sub>Si<sub>8</sub>O<sub>12</sub> mittels Hydrosilylierung Kurzmitteilung.

Einelektronen-Redox-Reaktionen von Octamethyl[4]radialen: Nachweis der Alternanz geradzahliger Radialene.

Quantitative Formation in Water of [Ru(CO)(H<sub>2</sub>O)<sub>5</sub>]<sup>2+</sup> from Hexaaquaruthenium(II) and Carbon Monoxide.

Madeiranes, a New Class of Pentacyclic Triterpenes: D-Friedo-madeir-14-en-3β-ol and -3-one, D: C-Friedomadeir-7-en-3β-ol and -3-one.

Site-Selectivity in the Fe<sup>+</sup>-Mediated CH/CC Bond Activation of Aldimines Short Communication.

Lagotoside: A New Phenylpropanoid Glycoside from Lagotis stolonifera.

Mitteilungen.

α-Methylidene- and α-Alkylidene-β-lactams from Nonproteinogenic Amino Acids.

High-Resolution Solid-State MAS<sup>13</sup>C- and <sup>1</sup>H-NMR Spectra of Benzenoid Aromatics Adsorbed on Alumina and Silica: Successful Applications of 1D and 2D Pulse Experiments from Liquid-State NMR.