Works matching IS 0018019X AND DT 1990 AND VI 73 AND IP 1

Results: 27

Preparation, Characterisation, and Structure of N-Methylated Derivatives of 1,3,5-Triamino-1,3,5-trideoxy- cis-inositol: Polyalcohols with Unusual Acidity.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 97, doi. 10.1002/hlca.19900730110

By:

Hegetschweiler, Kaspar;
Erni, Isidor;
Schneider, Walter;
Schmalle, Helmut

Publication type:

Article

Synthesis of Derivatives of (1 R,10a R)-1-Azido-10-benzylidene-4-(diethylphosphono)-1,2,10,10a-tetrahydro-2-oxo-4 H-azeto[1,2- a]pyrido[1,2- d]pyrazin-9-ylium Bromide.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 180, doi. 10.1002/hlca.19900730121

By:

Hakimelahi, Gholam H.;
Sardarian, Ali R.

Publication type:

Article

Synthesis of Peptides Containing α,α-Disubstituted α-Amino Acids by the Azirine/Oxazolone Method: The (12-20)-Nonapeptide of the Ionophore Alamethicin.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 13, doi. 10.1002/hlca.19900730103

By:

Wipf, Peter;
Heimgartner, Heinz

Publication type:

Article

1,2,3,4,4a,5,8,8a-Octahydro-4β,8aα-dimethylnaphthalen-4aβ-ol ( = Dehydrogeosmin), a Novel Compound Occurring in the Flower Scent of Various Species of cactaceae.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 133, doi. 10.1002/hlca.19900730114

By:

Kaiser, Roman;
Nussbaumer, Cornelius

Publication type:

Article

Blockcopolymers in microemulsions differential heats of solution and shift of the percolation temperature in W/O microemulsions.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 213, doi. 10.1002/hlca.19900730125

By:

Eicke, Hans-Friedrich;
Hilfiker, Rolf;
Xu, Gu

Publication type:

Article

Tilcotil® Studies. Part 2. [4 + 2] Additions with Isothiazol-3(2 H)-one 1,1-Dioxide.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 69, doi. 10.1002/hlca.19900730107

By:

Burri, Kaspar F.

Publication type:

Article

Total Syntheses of (−)-Conduritol B ((−)-1 L-Cyclohex-5-ene-1,3/2,4-tetrol) and of (+)-Conduritol F((+)-1 D-Cyclohex-5-ene-1,2,4/3-tetrol). Determination of the Absolute Configuration of (+)-Leucanthemito.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 161, doi. 10.1002/hlca.19900730118

By:

Le Drian, Claude;
Vionnet, Jean-Paul;
Vogel, Pierre

Publication type:

Article

Synthesis and Complexation of 1,2-Bis[(monoaza[15]crown-5)- N-yl]glyoxime. Crystal Structure of (1,2-Bis[(monoaza[15]crown-5)- N-yl]glyoximato)palladium(II).

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 174, doi. 10.1002/hlca.19900730120

By:

Ahsen, Vefa;
Musluoǧlu, Emel;
Gürek, Ayşegül;
Gül, Ahmet;
Bekâroǧlu, Özer;
Zehnder, Margareta

Publication type:

Article

Interaction between Oxygen Lone-Pair Orbitals of Ether and α,β-Unsaturated Ketone Functions in 3,5,6-Trimethylidene-7-oxabicyclo[2.2.1]heptan-2-one and 3,6-Dimethylidene-7-oxabicyclo[2.2.1]heptane-2,5-dione: A PE-Spectroscopic Investigation.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 1, doi. 10.1002/hlca.19900730102

By:

Röser, Karl;
Carrupt, Pierre-Alain;
Vogel, Pierre;
Honegger, Evi;
Heilbronner, Edgar

Publication type:

Article

Approaches to the Synthesis of Cytochalasans Part9. A versatile concept leading to all structural types of cytochalasans.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 122, doi. 10.1002/hlca.19900730113

By:

Ackermann, Jean;
Matthes, Michael;
Tamm, Christoph

Publication type:

Article

Catalysis of Ion Transfer by Tetraphenylborates in Neutral Carrier-Based Ion-Selective Electrodes.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 203, doi. 10.1002/hlca.19900730124

By:

Gehrig, Peter;
Morf, Werner E.;
Welti, Martin;
Pretsch, Ernö;
Simon, Wilhelm

Publication type:

Article

Synthetic Studies Directed toward the Pseurotins. Part I. Synthesis of Related Furan-3(2 H)-ones.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 63, doi. 10.1002/hlca.19900730106

By:

Dolder, Matthys;
Shao, Xie;
Tamm, Christoph

Publication type:

Article

Intramolecular Dynamics of Tetranuclear Iridium Carbonyl Cluster Compounds. Part III. Crystallographic and dynamic evidence for the intermediate of the 'merry-go-round' process in nonacarbonyl-μ3-(1,3,5-trithiane)-tetrairidium.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 154, doi. 10.1002/hlca.19900730117

By:

Suardi, Gianfranco;
Strawczynski, Andres;
Ros, Renzo;
Roulet, Raymond;
Grepioni, Fabrizia;
Braga, Dario

Publication type:

Article

Mitteilungen.

Published in:: Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 229, doi. 10.1002/hlca.19900730127
Publication type:: Article

Synthesis and Properties of a 2-Diazohistidine Derivative: A New Photoactivatable Aromatic Amino-Acid Analog.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 86, doi. 10.1002/hlca.19900730109

By:

Jaganathen, Algen;
Ehret-Sabatier, Laurence;
Bouchet, Marie-Jeanne;
Goeldner, Maurice P.;
Hirth, Christian G.

Publication type:

Article

Masthead.

Published in:: Helvetica Chimica Acta, 1990, v. 73, n. 1, p. fmi, doi. 10.1002/hlca.19900730101
Publication type:: Article

Synthese von Plectranthonen, diterpenoiden Phenanthren-1,4-chinonen.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 48, doi. 10.1002/hlca.19900730105

By:

Kaliakoudas, Dimitrios;
Eugster, Conrad Hans;
Rüedi, Peter

Publication type:

Article

Metal Complexes with Macrocyclic Ligands. Part XXXII. Reactivity studies of the pendant carboxylic group in a macrocyclic Cu2+ complex towards amide formation and its use as a protein-labelling agent.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 149, doi. 10.1002/hlca.19900730116

By:

Studer, Martin;
Kaden, Thomas A.;
Mäcke, Helmut R.

Publication type:

Article

Synthesis and Properties of Acyclic and Cryptate Europium(III) Complexes Incorporating the 3,3′-Biisoquinoline 2,2′-Dioxide Unit.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 106, doi. 10.1002/hlca.19900730111

By:

Lehn, Jean-Marie;
Pietraszkiewicz, Marek;
Karpiuk, Jerzy

Publication type:

Article

Molecular-Graphics Modelling of the Acid Strength in Zeolites: Influence of the Aluminium Distribution in Offretite.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 112, doi. 10.1002/hlca.19900730112

By:

Goursot, Annick;
Fajula, François;
Figueras, François;
Daul, Claude;
Weber, Jacques

Publication type:

Article

A Variable-Pressure 2D 1H-NMR Study of the Mechanism of Trimethyl Phosphate Intermolecular Exchange and cis/ trains-Isomerisation of Tetrachlorobis(trimethyl phosphate)zirconium(IV).

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 199, doi. 10.1002/hlca.19900730123

By:

Frey, Urban;
Helm, Lothar;
Merbach, André E.

Publication type:

Article

Synthesis, Reactivity Studies, and X-ray Crystal Structure of (11 R)-25- O-Deacetyl-11-deoxo-11-hydroxy-21,23- O-isopropylidenerifamycin S.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 185, doi. 10.1002/hlca.19900730122

By:

Bartolucci, Cecilia;
Cellai, Luciano;
Cerrini, Silvio;
Lamba, Doriano;
Segre, Anna Laura;
Brizzi, Vittorio;
Brufani, Mario

Publication type:

Article

Solution Structure of [Me- L-Leu7]Didemnin B Determined by NMR Spectroscopy and Refined by MD Calculation.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 25, doi. 10.1002/hlca.19900730104

By:

Kessler, Horst;
Mronga, Siggi;
Will, Martin;
Schmidt, Ulrich

Publication type:

Article

Metal Complexes with Macrocyclic Ligands. Part XXXI. Protonation studies and complexation properties of tetraazamacrocyclic methylenephosphonates with earth-alkali ions.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 140, doi. 10.1002/hlca.19900730115

By:

Delgado, Rita;
Siegfried, Liselotte C.;
Kaden, Thomas A.

Publication type:

Article

Synthese cyclischer Depsipeptide durch direkte Amid-Cyclisierung: 12gliedrige Depsipeptide mit alternierender Sequenz von α-Hydroxy- und α-Aminosäuren.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 221, doi. 10.1002/hlca.19900730126

By:

Obrecht, Daniel;
Heimgartner, Heinz

Publication type:

Article

Tetrazinodiheteroarene: 'Charge-Transfer'-Komplexbildung mit Akzeptorverbindungen.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 81, doi. 10.1002/hlca.19900730108

By:

Hellrung, Bruno;
Balli, Heinz

Publication type:

Article

A Novel Nitrone Cycloaddition/Rearrangement.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 169, doi. 10.1002/hlca.19900730119

By:

Toder, Bruce H.;
Mullen, George B.;
St. Georgiev, Vassil

Publication type:

Article

Works matching IS 0018019X AND DT 1990 AND VI 73 AND IP 1

Preparation, Characterisation, and Structure of N-Methylated Derivatives of 1,3,5-Triamino-1,3,5-trideoxy- cis-inositol: Polyalcohols with Unusual Acidity.

Synthesis of Derivatives of (1 R,10a R)-1-Azido-10-benzylidene-4-(diethylphosphono)-1,2,10,10a-tetrahydro-2-oxo-4 H-azeto[1,2- a]pyrido[1,2- d]pyrazin-9-ylium Bromide.

Synthesis of Peptides Containing α,α-Disubstituted α-Amino Acids by the Azirine/Oxazolone Method: The (12-20)-Nonapeptide of the Ionophore Alamethicin.

1,2,3,4,4a,5,8,8a-Octahydro-4β,8aα-dimethylnaphthalen-4aβ-ol ( = Dehydrogeosmin), a Novel Compound Occurring in the Flower Scent of Various Species of cactaceae.

Blockcopolymers in microemulsions differential heats of solution and shift of the percolation temperature in W/O microemulsions.

Tilcotil® Studies. Part 2. [4 + 2] Additions with Isothiazol-3(2 H)-one 1,1-Dioxide.

Total Syntheses of (−)-Conduritol B ((−)-1 L-Cyclohex-5-ene-1,3/2,4-tetrol) and of (+)-Conduritol F((+)-1 D-Cyclohex-5-ene-1,2,4/3-tetrol). Determination of the Absolute Configuration of (+)-Leucanthemito.

Synthesis and Complexation of 1,2-Bis[(monoaza[15]crown-5)- N-yl]glyoxime. Crystal Structure of (1,2-Bis[(monoaza[15]crown-5)- N-yl]glyoximato)palladium(II).

Interaction between Oxygen Lone-Pair Orbitals of Ether and α,β-Unsaturated Ketone Functions in 3,5,6-Trimethylidene-7-oxabicyclo[2.2.1]heptan-2-one and 3,6-Dimethylidene-7-oxabicyclo[2.2.1]heptane-2,5-dione: A PE-Spectroscopic Investigation.

Approaches to the Synthesis of Cytochalasans Part9. A versatile concept leading to all structural types of cytochalasans.

Catalysis of Ion Transfer by Tetraphenylborates in Neutral Carrier-Based Ion-Selective Electrodes.

Synthetic Studies Directed toward the Pseurotins. Part I. Synthesis of Related Furan-3(2 H)-ones.

Intramolecular Dynamics of Tetranuclear Iridium Carbonyl Cluster Compounds. Part III. Crystallographic and dynamic evidence for the intermediate of the 'merry-go-round' process in nonacarbonyl-μ<sub>3</sub>-(1,3,5-trithiane)-tetrairidium.

Mitteilungen.

Synthesis and Properties of a 2-Diazohistidine Derivative: A New Photoactivatable Aromatic Amino-Acid Analog.

Masthead.

Synthese von Plectranthonen, diterpenoiden Phenanthren-1,4-chinonen.

Metal Complexes with Macrocyclic Ligands. Part XXXII. Reactivity studies of the pendant carboxylic group in a macrocyclic Cu<sup>2+</sup> complex towards amide formation and its use as a protein-labelling agent.

Synthesis and Properties of Acyclic and Cryptate Europium(III) Complexes Incorporating the 3,3′-Biisoquinoline 2,2′-Dioxide Unit.

Molecular-Graphics Modelling of the Acid Strength in Zeolites: Influence of the Aluminium Distribution in Offretite.

A Variable-Pressure 2D <sup>1</sup>H-NMR Study of the Mechanism of Trimethyl Phosphate Intermolecular Exchange and cis/ trains-Isomerisation of Tetrachlorobis(trimethyl phosphate)zirconium(IV).

Synthesis, Reactivity Studies, and X-ray Crystal Structure of (11 R)-25- O-Deacetyl-11-deoxo-11-hydroxy-21,23- O-isopropylidenerifamycin S.

Solution Structure of [Me- L-Leu<sup>7</sup>]Didemnin B Determined by NMR Spectroscopy and Refined by MD Calculation.

Metal Complexes with Macrocyclic Ligands. Part XXXI. Protonation studies and complexation properties of tetraazamacrocyclic methylenephosphonates with earth-alkali ions.

Synthese cyclischer Depsipeptide durch direkte Amid-Cyclisierung: 12gliedrige Depsipeptide mit alternierender Sequenz von α-Hydroxy- und α-Aminosäuren.

Tetrazinodiheteroarene: 'Charge-Transfer'-Komplexbildung mit Akzeptorverbindungen.

A Novel Nitrone Cycloaddition/Rearrangement.