Works matching IS 0018019X AND DT 1988 AND VI 71 AND IP 8

Results: 28

Masthead.

Published in:: Helvetica Chimica Acta, 1988, v. 71, n. 8, p. fmi, doi. 10.1002/hlca.19880710801
Publication type:: Article

Strained Ketenes from α-Bromoacyl Phosphates. (Tricyclo[4.4.1.01,6]undeca-3,8-dien-11-ylidene)methanone and its Heptacyclic Dimer: a Dispirobridged Dipropellane (1,1″,4,4″,5,5″,8,8″-Octahydrodispiro[[4a, 8a]methanonaphthalene-9,1′-cyClobutane-3′,9″-[4a, 8a]methanonaphthalene]-2′, 4′-dione)

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 8, p. 1930, doi. 10.1002/hlca.19880710812

By:

Hoffmann, H. Martin R.;
Geschwinder, Peter M.;
Hollwege, Hans-Peter;
Walenta, Angela

Publication type:

Article

Lithiated Azafulvenes by Halogen/Metal Interchange of Brominated 6-(Diisopropylamino)-1-azafulvene Derivatives. Novel synthesis of 5-mono- and 4,5-disubstituted 1 H-pyrrole-2-carbaldehydes.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 8, p. 2053, doi. 10.1002/hlca.19880710823

By:

Bray, Brian L.;
Hess, Petr;
Muchowski, Joseph M.;
Scheller, Markus E.

Publication type:

Article

Energy-Minimized Structures and Calculated and Experimental Isomer Distributions in the Hexaaminecobalt(III) system [Co(trap)2]3+ (trap = 1,2,3-propanetriamine).

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 8, p. 1875, doi. 10.1002/hlca.19880710805

By:

Comba, Peter;
Hambley, Trevor W.;
Zipper, Luc

Publication type:

Article

Thioalkylation of Meldrum's Acid: Protected alkylidene derivatives of isopropylidene malonate.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 8, p. 1974, doi. 10.1002/hlca.19880710816

By:

Eberle, Martin;
Lawton, Richard G.

Publication type:

Article

Crystal Structure and Electron-Density Distribution of Two [1.1.1] Propellane Derivatives at 81 K.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 8, p. 2100, doi. 10.1002/hlca.19880710827

By:

Seiler, Paul;
Belzner, Johannes;
Bunz, Uwe;
Szeimies, Günter

Publication type:

Article

Synthesis of New unnatural Macrocyclic Trichothecenes: 4-epiverrucarin A. 47th Communication on verrucarins and roridins.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 8, p. 1904, doi. 10.1002/hlca.19880710809

By:

Jeker, Nicolas;
Tamm, Christoph

Publication type:

Article

The Structure of the Polycyclic Nonadecapeptide Ro 09-0198.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 8, p. 1924, doi. 10.1002/hlca.19880710811

By:

Kessler, Horst;
Steuernagel, Stefan;
Will, Martin;
Jung, Günther;
Kellner, Roland;
Gillessen, Dieter;
Kamiyama, Tsutomu

Publication type:

Article

Mechanistic and Synthetic Studies on the Formation of 1,2,4-Trioxanes Related to Arteannuin. Photooxygenation of a bicyclic dihydropyran.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 8, p. 2042, doi. 10.1002/hlca.19880710822

By:

Jefford, Charles W.;
Wang, Ying;
Bernardinelli, Gérald

Publication type:

Article

The Allyl Ester as Carboxy-Protecting Group in the Stereoselective Construction of Neuraminic-Acid Glycosides.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 8, p. 1868, doi. 10.1002/hlca.19880710804

By:

Kunz, Horst;
Waldmann, Herbert;
Klinkhammer, Uwe

Publication type:

Article

The Reaction Volume for the Equilibrium between the Lanthanide (III) ennea- and octaaqua lons as a diagnostic aid for their water-exchange mechanisms. Preliminary Communication.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 8, p. 1971, doi. 10.1002/hlca.19880710815

By:

Laurenezy, Gabor;
Merbach, André E.

Publication type:

Article

Bathophenanthroline-ruthenium(II) complexes as non-radioactive labels for oligonucleotides which can be measured by time-resolved fluorescence techniques.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 8, p. 2085, doi. 10.1002/hlca.19880710826

By:

Bannwarth, Willi;
Schmidt, Dieter;
Stallard, Robert L.;
Hornung, Claudia;
Knorr, Reinhard;
Müller, Francis

Publication type:

Article

Synthesis of New, Unnatural Macrocyclic Trichothecenes: 3-isoverrucarin A ((1″- O)(3→4) abeo-verrucarin A), verrucinol, and verrucene. 46th Communication on verrucarins and roridins.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 8, p. 1895, doi. 10.1002/hlca.19880710808

By:

Jeker, Nicolas;
Tamm, Christoph

Publication type:

Article

Synthesis und thermisches Verhalten von exo-3-Methylidentricyclo[3.2.1.02,4]oct-6-en.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 8, p. 2022, doi. 10.1002/hlca.19880710819

By:

Stämpfli, Urs;
Neuenschwander, Markus

Publication type:

Article

Synthese, 13C-NMR-Spektren und räumliche Struktur von 'Push-Pull'-Diacetylenen.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 8, p. 1914, doi. 10.1002/hlca.19880710810

By:

Galli, Roberto;
Neuenschwander, Markus;
Engel, Peter

Publication type:

Article

Synthesis of Esters of 3-(2-Aminoethyl)-1 H-indole-2-acetic Acid and 3-(2-aminoethyl)-1 H-indole-2-malonic acid (= 2-[3-(2-aminoethyl)-1 H-indol-2-yl]propanedioic acid) 4th communication on indoles, indolenines, and indolines.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 8, p. 2034, doi. 10.1002/hlca.19880710821

By:

Mahboobi, Siavosh;
Bernauer, Karl

Publication type:

Article

Photochemical Ring Slippage of Bis(pentafluorophenyl)titanocene: Reaction kinetics and matrix isolation of the primary photoproduct.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 8, p. 1858, doi. 10.1002/hlca.19880710803

By:

Klingert, Bernd;
Roloff, Achim;
Urwyler, Bernhard;
Wirz, Jakob

Publication type:

Article

Steric Crowding in Coordination Compounds: Electron-transfer kinetics of the [Co(tmen)3]3+/2+ couple (tmen = 2,3-dimethylbutane-2,3-diamine).

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 8, p. 1966, doi. 10.1002/hlca.19880710814

By:

Hendry, Philip;
Ludi, Andreas

Publication type:

Article

The Azo(Azoxy) Functionality as a π2 Component in Photo [2+2] cycloadditions ' syn'- and ' anti'-3,4-diazatricyclo[4.2.2.22,5]dodeca-3,7-diene, syntheses, photolyses, X-ray-structure analysis, and PE spectra.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 8, p. 1937, doi. 10.1002/hlca.19880710813

By:

Marterer, Wolfgang;
Prinzbach, Horst;
Rihs, Grety;
Wirz, Jakob;
Lecoultre, Jaques;
Heilbronner, Edgar

Publication type:

Article

Intramolecular Dynamics of Tetranuclear Carbonyliridium Cluster Compounds. Part II. Disubstituted complexes with one chelating ligand. Crystal structure of [Ir4(CO)7(μ-CO)3(1,5-cyclooctadiene)].

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 8, p. 1885, doi. 10.1002/hlca.19880710807

By:

Strawczynski, Andrés;
Ros, Renzo;
Roulet, Raymond;
Grepioni, Fabrizia;
Braga, Dario

Publication type:

Article

Anwendungsbreite der reduktiven Kupplung aromatischer Aldimin-Derivate mit niedervalenten Titan-Reagenzien zu 1,2-Diarylethylendiaminen.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 8, p. 1999, doi. 10.1002/hlca.19880710818

By:

Betschart, Claudia;
Schmidt, Beat;
Seebach, Dieter

Publication type:

Article

Synthese von Triafulven-Vorstufen aus trisubstituierten Cyclopropanen.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 8, p. 2026, doi. 10.1002/hlca.19880710820

By:

Weber, Andreas;
Sabbioni, Gabriele;
Galli, Roberto;
Stämpfli, Urs;
Neuenschwander, Markus

Publication type:

Article

Conventional and Laser Photolysis of a Bisdiazo Compound.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 8, p. 1841, doi. 10.1002/hlca.19880710802

By:

Hannemann, Klaus;
Wirz, Jakob;
Riesen, Andreas

Publication type:

Article

Hetero- Diels-Alder-Reaktion mit 1,3-Thiazol-5(4 H)-thionen.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 8, p. 2071, doi. 10.1002/hlca.19880710825

By:

Tromm, Peter;
Heimgartner, Heinz

Publication type:

Article

Stoffwechselprodukte von Mikroorganismen. 251. Mitteilung. Die Esmeraldine A und B, tief grüne Farbstoffe aus Streptomyces antibioticus, Stamm Tü 2706.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 8, p. 2058, doi. 10.1002/hlca.19880710824

By:

Keller-Schierlein, Walter;
Geiger, Adrian;
Zähner, Hans;
Brandl, Matthias

Publication type:

Article

Chaetoglobosin M, a New Metabolite of a Mutant of Diplodia macrospora, belonging to the family of (1 H-indol-3-yl)-substituted 10,11-diethyl-10,11-dinorcytochalasans.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 8, p. 1881, doi. 10.1002/hlca.19880710806

By:

Spöndlin, Christoph;
Tamm, Christoph

Publication type:

Article

Synthesen von enantiomerenreinen Apoviolaxanthin-säuren, -olen und -alen (Persicaxanthin, Sinensiaxanthin und β-Citraurin-epoxid) und ihrer furanoiden Umlagerungsprodukte.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 8, p. 1983, doi. 10.1002/hlca.19880710817

By:

Uebelhart, Peter;
Eugster, Conrad Hans

Publication type:

Article

Mitteilungen.

Published in:: Helvetica Chimica Acta, 1988, v. 71, n. 8, p. 2173, doi. 10.1002/hlca.19880710828
Publication type:: Article

Works matching IS 0018019X AND DT 1988 AND VI 71 AND IP 8

Masthead.

Lithiated Azafulvenes by Halogen/Metal Interchange of Brominated 6-(Diisopropylamino)-1-azafulvene Derivatives. Novel synthesis of 5-mono- and 4,5-disubstituted 1 H-pyrrole-2-carbaldehydes.

Energy-Minimized Structures and Calculated and Experimental Isomer Distributions in the Hexaaminecobalt(III) system [Co(trap)<sub>2</sub>]<sup>3+</sup> (trap = 1,2,3-propanetriamine).

Thioalkylation of Meldrum's Acid: Protected alkylidene derivatives of isopropylidene malonate.

Crystal Structure and Electron-Density Distribution of Two [1.1.1] Propellane Derivatives at 81 K.

Synthesis of New unnatural Macrocyclic Trichothecenes: 4-epiverrucarin A. 47th Communication on verrucarins and roridins.

The Structure of the Polycyclic Nonadecapeptide Ro 09-0198.

Mechanistic and Synthetic Studies on the Formation of 1,2,4-Trioxanes Related to Arteannuin. Photooxygenation of a bicyclic dihydropyran.

The Allyl Ester as Carboxy-Protecting Group in the Stereoselective Construction of Neuraminic-Acid Glycosides.

The Reaction Volume for the Equilibrium between the Lanthanide (III) ennea- and octaaqua lons as a diagnostic aid for their water-exchange mechanisms. Preliminary Communication.

Bathophenanthroline-ruthenium(II) complexes as non-radioactive labels for oligonucleotides which can be measured by time-resolved fluorescence techniques.

Synthesis of New, Unnatural Macrocyclic Trichothecenes: 3-isoverrucarin A ((1″- O)(3→4) abeo-verrucarin A), verrucinol, and verrucene. 46th Communication on verrucarins and roridins.

Synthesis und thermisches Verhalten von exo-3-Methylidentricyclo[3.2.1.0<sup>2,4</sup>]oct-6-en.

Synthese, <sup>13</sup>C-NMR-Spektren und räumliche Struktur von 'Push-Pull'-Diacetylenen.

Synthesis of Esters of 3-(2-Aminoethyl)-1 H-indole-2-acetic Acid and 3-(2-aminoethyl)-1 H-indole-2-malonic acid (= 2-[3-(2-aminoethyl)-1 H-indol-2-yl]propanedioic acid) 4th communication on indoles, indolenines, and indolines.

Photochemical Ring Slippage of Bis(pentafluorophenyl)titanocene: Reaction kinetics and matrix isolation of the primary photoproduct.

Steric Crowding in Coordination Compounds: Electron-transfer kinetics of the [Co(tmen)<sub>3</sub>]<sup>3+/2+</sup> couple (tmen = 2,3-dimethylbutane-2,3-diamine).

The Azo(Azoxy) Functionality as a π<sub>2</sub> Component in Photo [2+2] cycloadditions ' syn'- and ' anti'-3,4-diazatricyclo[4.2.2.2<sup>2,5</sup>]dodeca-3,7-diene, syntheses, photolyses, X-ray-structure analysis, and PE spectra.

Intramolecular Dynamics of Tetranuclear Carbonyliridium Cluster Compounds. Part II. Disubstituted complexes with one chelating ligand. Crystal structure of [Ir<sub>4</sub>(CO)<sub>7</sub>(μ-CO)<sub>3</sub>(1,5-cyclooctadiene)].

Anwendungsbreite der reduktiven Kupplung aromatischer Aldimin-Derivate mit niedervalenten Titan-Reagenzien zu 1,2-Diarylethylendiaminen.

Synthese von Triafulven-Vorstufen aus trisubstituierten Cyclopropanen.

Conventional and Laser Photolysis of a Bisdiazo Compound.

Hetero- Diels-Alder-Reaktion mit 1,3-Thiazol-5(4 H)-thionen.

Stoffwechselprodukte von Mikroorganismen. 251. Mitteilung. Die Esmeraldine A und B, tief grüne Farbstoffe aus Streptomyces antibioticus, Stamm Tü 2706.

Chaetoglobosin M, a New Metabolite of a Mutant of Diplodia macrospora, belonging to the family of (1 H-indol-3-yl)-substituted 10,11-diethyl-10,11-dinorcytochalasans.

Synthesen von enantiomerenreinen Apoviolaxanthin-säuren, -olen und -alen (Persicaxanthin, Sinensiaxanthin und β-Citraurin-epoxid) und ihrer furanoiden Umlagerungsprodukte.

Mitteilungen.