Works matching IS 0018019X AND DT 1993 AND VI 76 AND IP 6

Results: 28

Ring-Transformationen bei der Umsetzung von 3-(Dimethylamino)-2,2-dimethyl-2 H-azirin mit 1-substituierten Imidazolidin-2,4,5-trionen.

Published in:

Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2321, doi. 10.1002/hlca.19930760617

By:

Schläpfer-Dähler, Marlise;
Heimgartner, Heinz

Publication type:

Article

Why Pentose- and Not Hexose-Nucleic Acids??. Part VII. Pyranosyl-RNA ('p-RNA'). Preliminary communication.

Published in:

Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2161, doi. 10.1002/hlca.19930760602

By:

Pitsch, Stefan;
Wendeborn, Sebastian;
Jaun, Bernhard;
Eschenmoser, Albert

Publication type:

Article

Masthead.

Published in:: Helvetica Chimica Acta, 1993, v. 76, n. 6, p. fmi, doi. 10.1002/hlca.19930760601
Publication type:: Article

Refined Insight in Stereochemical and Directional Features of the FeI-Mediated Dehydrogenation of Tetralin.

Published in:

Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2384, doi. 10.1002/hlca.19930760624

By:

Seemeyer, Katrin;
Schwarz, Helmut

Publication type:

Article

Tetrakis[(4 S)-4-phenyloxazolidin-2-one]dirhodium(II) and Its Catalytic Applications for Metal Carbene Transformations.

Published in:

Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2227, doi. 10.1002/hlca.19930760606

By:

Doyle, Michael P.;
Winchester, William R.;
Protopopova, Marina N.;
Müller, Paul;
Bernardinelli, Gérald;
Ene, Doina;
Motallebi, Sharokh

Publication type:

Article

Mitteilungen.

Published in:: Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2418, doi. 10.1002/hlca.19930760628
Publication type:: Article

Investigation of an Olfactoryly Active Ring-Like Conformer of a Chain-Type Odorant, (3 S)-3,7-dimethyloctanal, by computer calculation and graphics.

Published in:

Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2279, doi. 10.1002/hlca.19930760613

By:

Yoshii, Fumiko;
Hirono, Shuichi;
Moriguchi, Ikuo

Publication type:

Article

Tritium Labelling of Naltrindole, a δ-Receptor-Selective Opioid Antagonist via 1-Bromonaltrexone.

Published in:

Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2274, doi. 10.1002/hlca.19930760612

By:

Tóth, Géza;
Ötvös, Ferenc;
Hosztafi, Sándor

Publication type:

Article

Synthesis and Characterization of (5′-Deoxyadenosin-5′-yl)cobalamin ( = 'Adenosylcobalamin') Analogues Mimicking the Transition-State Geometry of Coenzyme-B12-Dependent Rearrangements.

Published in:

Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2367, doi. 10.1002/hlca.19930760623

By:

Poppe, László;
Rétey, János;
Hull, William E.

Publication type:

Article

Intramolecular Dynamics of Tetranuclear Iridium Carbonyl Cluster Compounds. Part IV. Derivatives with monodentate ligands and edge-bridging bidentate ligands.

Published in:

Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2210, doi. 10.1002/hlca.19930760605

By:

Strawczynski, Andrès;
Suardi, Gianfranco;
Ros, Renzo;
Roulet, Raymond

Publication type:

Article

Self-Replication of Oligonucleotides in Reverse Micelles.

Published in:

Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2313, doi. 10.1002/hlca.19930760616

By:

Böhler, Christof;
Luisi, Pier Luigi;
Bannwarth, Willi

Publication type:

Article

Synthesen und Untersuchungen von [Oxazolo[2,3- a]isoindol-9b(2 H)-yl]phosphonaten und -phosphinaten: Eine neue Klasse von Heterocyclen.

Published in:

Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2407, doi. 10.1002/hlca.19930760627

By:

Neidlein, Richard;
Greulich, Peter;
Kramer, Walter

Publication type:

Article

Stabilizing Effect by Geminal Dioxy Substitution and Anomeric Effect in 3,6-Dihydro-6-methoxy-1,2-oxathiin 2-Oxides.

Published in:

Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2250, doi. 10.1002/hlca.19930760609

By:

Deguin, Brigitte;
Vogel, Pierre

Publication type:

Article

Stereoselectivity in Reactions of Metal Complexes. Part XVII. Synthesis of three new optically active triamines: 2,6-Bis{[(2 S)-2-(hydroxymethyl)pyrrolidin-1-yl]methyl}pyridine, 2,6-bis{[(2 S)-2-(methoxymethyl)pyrrolidin-1-yl]methyl}pyridine, and 2,6-bis{{(2 S)-2-[(benzyloxy)methyl]pyrrolidin-1-yl}methyl}pyridine. X-ray structure and equilibrium behaviour of their copper(II) complexes

Published in:

Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2263, doi. 10.1002/hlca.19930760611

By:

Bernauer, Klaus;
Chuard, Thierry;
Stoeckli-Evans, Helen

Publication type:

Article

Synthesis, Structure, and Reactivity of Secosteroids Containing a Medium-Size Ring. Part 35. Photooxidations of some ( Z)- and ( E)-1(10)-unsaturated 5,10-secosteroids in acetone solution.

Published in:

Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2254, doi. 10.1002/hlca.19930760610

By:

Lorenc, Ljubinka B.;
Pavlović, Vladimir D.;
Mihailović, Mihailo Lj.;
Krstić, Natalija M.

Publication type:

Article

2-(Tributylstannyl)-1-{[2-(trimethylsilyl)ethoxy]methyl}-1 H-indole: Synthesis and use as a 1 H-indol-2-yl-anion equivalent.

Published in:

Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2356, doi. 10.1002/hlca.19930760622

By:

Palmisano, Giovanni;
Santagostino, Marco

Publication type:

Article

Lacton-Bildung durch Ringerweiterung unter Alkalimetall-halogenid-Katalyse.

Published in:

Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2303, doi. 10.1002/hlca.19930760615

By:

Stojanova, Diana S.;
Milenkov, Branimir;
Hesse, Manfred

Publication type:

Article

Ringerweiterung von sechs- zu neungliedrigen Heterocyclen: Umsetzung von 3-(Dimethylamino)-2,2-dimethyl-2 H-azirin mit 3,4-Dihydro-2 H-1,2,4-benzothiadiazin-3-on-1,1-dioxiden.

Published in:

Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2398, doi. 10.1002/hlca.19930760626

By:

Schläpfer-Dähler, Marlise;
Heimgartner, Heinz

Publication type:

Article

Homogeneous Catalysis with Dicationic PdII Complexes: Aldol reaction of methyl isocyanoacetate with benzaldehyde.

Published in:

Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2239, doi. 10.1002/hlca.19930760608

By:

Nesper, Reinhard;
Pregosin, Paul S.;
Püntener, Kurt;
Wörle, Michael

Publication type:

Article

The Homoconjugated Electron-Releasing Carbonyl Group of 1-Methylbicyclo[2.2.1]hept-5-en-2-one. Regioselective syntheses of 5-chloro- and 6-chloro-1-methylbicyclo[2.2.1]hept-5-en-2-one.

Published in:

Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2338, doi. 10.1002/hlca.19930760619

By:

Kernen, Philippe;
Vogel, Pierre

Publication type:

Article

Highly Diastereoselective Aldol Reaction of Bicyclo[3.2.1]oct-6-en-3-ones and 8-Oxabicyclo[3.2.1]oct-6-en-3-ones. ( E)-Selective conversion into α-alkylidene ketones.

Published in:

Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2194, doi. 10.1002/hlca.19930760604

By:

Stohrer, Ingo;
Hoffmann, H. Martin R.

Publication type:

Article

Molecular Geometries by the Extended- Hückel Molecular Orbital Method III: Band-structure calculations.

Published in:

Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2350, doi. 10.1002/hlca.19930760621

By:

Brändle, Martin;
Calzaferri, Gion

Publication type:

Article

8-Azaguanine 2′,3′-Dideoxyribonucleosides: Glycosylation of the 5-amino-7-methoxy-3 H-1,2,3-triazolo[4,5- d]pyrimidinyl anion with 2,3-dideoxy- D- glycero-pentofuranosyl chloride.

Published in:

Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2184, doi. 10.1002/hlca.19930760603

By:

Seela, Frank;
Mersmann, Karin

Publication type:

Article

Structural Investigations of 13- O-Demethyl-FK506 and Its Isomers Generated by in vitro Metabolism of FK506 Using Human-Liver Microsomes.

Published in:

Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2288, doi. 10.1002/hlca.19930760614

By:

Schüler, Wolfgang;
Schmieder, P.;
Kessler, Horst;
Christians, Uwe;
Holze, Ines;
Sewing, Karl-Friedrich;
Schiebel, Hans-Martin

Publication type:

Article

8-Aza-2′-deoxyguanosine and Related 1,2,3-Triazolo[4,5- d]pyrimidine 2′-Deoxyribofuranosides.

Published in:

Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2388, doi. 10.1002/hlca.19930760625

By:

Seela, Frank;
Lampe, Sigrid

Publication type:

Article

X-Ray Molecular Structure of a Red Bilin Derivative from Chlorella protothecoides. 4th communication on chlorophyll catabolism.

Published in:

Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2236, doi. 10.1002/hlca.19930760607

By:

Engel, Norbert;
Gossauer, Albert;
Gruber, Karl;
Kratky, Christoph

Publication type:

Article

Rhodium(I)-Catalyzed 'Metallo-Ene' Cyclizations/β-Eliminations.

Published in:

Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2329, doi. 10.1002/hlca.19930760618

By:

Oppolzer, Wolfgang;
Fürstner, Alois

Publication type:

Article

Synthesis and Ruthenium-Catalyzed Enantioselective Hydrogenation of 3- O-Substituted 1,3-Dihydroxypropan-2-ones. Part 2.

Published in:

Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2344, doi. 10.1002/hlca.19930760620

By:

Cesarotti, Edoardo;
Antognazza, Patrizia;
Pallavicini, Marco;
Villa, Luigi

Publication type:

Article

Works matching IS 0018019X AND DT 1993 AND VI 76 AND IP 6

Ring-Transformationen bei der Umsetzung von 3-(Dimethylamino)-2,2-dimethyl-2 H-azirin mit 1-substituierten Imidazolidin-2,4,5-trionen.

Why Pentose- and Not Hexose-Nucleic Acids??. Part VII. Pyranosyl-RNA ('p-RNA'). Preliminary communication.

Masthead.

Refined Insight in Stereochemical and Directional Features of the Fe<sup>I</sup>-Mediated Dehydrogenation of Tetralin.

Tetrakis[(4 S)-4-phenyloxazolidin-2-one]dirhodium(II) and Its Catalytic Applications for Metal Carbene Transformations.

Mitteilungen.

Investigation of an Olfactoryly Active Ring-Like Conformer of a Chain-Type Odorant, (3 S)-3,7-dimethyloctanal, by computer calculation and graphics.

Tritium Labelling of Naltrindole, a δ-Receptor-Selective Opioid Antagonist via 1-Bromonaltrexone.

Synthesis and Characterization of (5′-Deoxyadenosin-5′-yl)cobalamin ( = 'Adenosylcobalamin') Analogues Mimicking the Transition-State Geometry of Coenzyme-B<sub>12</sub>-Dependent Rearrangements.

Intramolecular Dynamics of Tetranuclear Iridium Carbonyl Cluster Compounds. Part IV. Derivatives with monodentate ligands and edge-bridging bidentate ligands.

Self-Replication of Oligonucleotides in Reverse Micelles.

Synthesen und Untersuchungen von [Oxazolo[2,3- a]isoindol-9b(2 H)-yl]phosphonaten und -phosphinaten: Eine neue Klasse von Heterocyclen.

Stabilizing Effect by Geminal Dioxy Substitution and Anomeric Effect in 3,6-Dihydro-6-methoxy-1,2-oxathiin 2-Oxides.

Synthesis, Structure, and Reactivity of Secosteroids Containing a Medium-Size Ring. Part 35. Photooxidations of some ( Z)- and ( E)-1(10)-unsaturated 5,10-secosteroids in acetone solution.

2-(Tributylstannyl)-1-{[2-(trimethylsilyl)ethoxy]methyl}-1 H-indole: Synthesis and use as a 1 H-indol-2-yl-anion equivalent.

Lacton-Bildung durch Ringerweiterung unter Alkalimetall-halogenid-Katalyse.

Ringerweiterung von sechs- zu neungliedrigen Heterocyclen: Umsetzung von 3-(Dimethylamino)-2,2-dimethyl-2 H-azirin mit 3,4-Dihydro-2 H-1,2,4-benzothiadiazin-3-on-1,1-dioxiden.

Homogeneous Catalysis with Dicationic Pd<sup>II</sup> Complexes: Aldol reaction of methyl isocyanoacetate with benzaldehyde.

The Homoconjugated Electron-Releasing Carbonyl Group of 1-Methylbicyclo[2.2.1]hept-5-en-2-one. Regioselective syntheses of 5-chloro- and 6-chloro-1-methylbicyclo[2.2.1]hept-5-en-2-one.

Highly Diastereoselective Aldol Reaction of Bicyclo[3.2.1]oct-6-en-3-ones and 8-Oxabicyclo[3.2.1]oct-6-en-3-ones. ( E)-Selective conversion into α-alkylidene ketones.

Molecular Geometries by the Extended- Hückel Molecular Orbital Method III: Band-structure calculations.

8-Azaguanine 2′,3′-Dideoxyribonucleosides: Glycosylation of the 5-amino-7-methoxy-3 H-1,2,3-triazolo[4,5- d]pyrimidinyl anion with 2,3-dideoxy- D- glycero-pentofuranosyl chloride.

Structural Investigations of 13- O-Demethyl-FK506 and Its Isomers Generated by in vitro Metabolism of FK506 Using Human-Liver Microsomes.

8-Aza-2′-deoxyguanosine and Related 1,2,3-Triazolo[4,5- d]pyrimidine 2′-Deoxyribofuranosides.

X-Ray Molecular Structure of a Red Bilin Derivative from Chlorella protothecoides. 4th communication on chlorophyll catabolism.

Rhodium(I)-Catalyzed 'Metallo-Ene' Cyclizations/β-Eliminations.

Synthesis and Ruthenium-Catalyzed Enantioselective Hydrogenation of 3- O-Substituted 1,3-Dihydroxypropan-2-ones. Part 2.