Works matching IS 0018019X AND DT 1994 AND VI 77 AND IP 8

Results: 24

Einkristall-Strukturen eines Donator-Akzeptor-substituierten Cyclopentadiens, seines Kations und seines dimeren Anions: Verschiedenartige Störungen eines Kohlenstoff-Fünfringes.

Published in:

Helvetica Chimica Acta, 1994, v. 77, n. 8, p. 2162, doi. 10.1002/hlca.19940770810

By:

Bock, Hans;
Nick, Sabine;
Näther, Christian;
Bats, Jan W.

Publication type:

Article

Temporary Protection and Activation in the Regioselective Synthesis of Saccharide Sulfates.

Published in:

Helvetica Chimica Acta, 1994, v. 77, n. 8, p. 2341, doi. 10.1002/hlca.19940770821

By:

Langston, Steven;
Bernet, Bruno;
Vasella, Andrea

Publication type:

Article

C2-Symmetric Bicyclic Diols as Chiral Ligands in the titanate-catalyzed enantioselective addition of alkylzinc reagents to aldehydes.

Published in:

Helvetica Chimica Acta, 1994, v. 77, n. 8, p. 2111, doi. 10.1002/hlca.19940770803

By:

Waldmann, Herbert;
Weigerding, Michael;
Dreisbach, Claus;
Wandrey, Christian

Publication type:

Article

Chemie von α-Aminonitrilen. 12. Mitteilung. Sondierungen über thermische Umwandlungen von α-Aminonitrilen.

Published in:

Helvetica Chimica Acta, 1994, v. 77, n. 8, p. 2209, doi. 10.1002/hlca.19940770814

By:

Xiang, Yi-Bin;
Drenkard, Susanne;
Baumann, Karl;
Hickey, Deirde;
Eschenmoser, Albert

Publication type:

Article

A Practical Synthesis of (2 S, 3 R)-3-Amino-2-methylpentanoic Acid from L-Aspartic Acid.

Published in:

Helvetica Chimica Acta, 1994, v. 77, n. 8, p. 2142, doi. 10.1002/hlca.19940770807

By:

Jefford, Charles W.;
McNulty, James

Publication type:

Article

Chemische Reaktionen mit Fischer-Carben-Komplexen des 1,6-Methano[10]annulens.

Published in:

Helvetica Chimica Acta, 1994, v. 77, n. 8, p. 2303, doi. 10.1002/hlca.19940770818

By:

Neidlein, Richard;
Gürtler, Stephan;
Krieger, Claus

Publication type:

Article

Glycosylidene Carbenes. Part 20. Synthesis of deprotected, spiro-linked C-glycosides of C60.

Published in:

Helvetica Chimica Acta, 1994, v. 77, n. 8, p. 2335, doi. 10.1002/hlca.19940770820

By:

Uhlmann, Peter;
Harth, Eva;
Naughton, Andrew B.;
Vasella, Andrea

Publication type:

Article

Preparation and Structural Analysis of Several New α,α,α′,α′-Tetraaryl-1,3-dioxolane-4,5-dimethanols (TADDOL's) and TADDOL analogs, their evaluation as titanium ligands in the enantioselective addition of methyltitanium and diethylzinc reagents to benzaldehyde, and refinement of the mechanistic hypothesis

Published in:

Helvetica Chimica Acta, 1994, v. 77, n. 8, p. 2071, doi. 10.1002/hlca.19940770802

By:

Ito, Yoshio N.;
Ariza, Xavier;
Beck, Albert K.;
Boháč, Andrej;
Ganter, Camille;
Gawley, Robert E.;
Kühnle, Florian N. M.;
Tuleja, Juraj;
Wang, Yan Ming;
Seebach, Dieter

Publication type:

Article

Insertion Reactions of [ReH(CO)5- n(PMe3) n] Complexes ( n = 2-4) with aldehydes, CO2, and activated acetylenes.

Published in:

Helvetica Chimica Acta, 1994, v. 77, n. 8, p. 2197, doi. 10.1002/hlca.19940770813

By:

Nietlispach, Daniel;
Veghini, Dario;
Berke, Heinz

Publication type:

Article

Mitteilungen - Communications.

Published in:: Helvetica Chimica Acta, 1994, v. 77, n. 8, p. 2439, doi. 10.1002/hlca.19940770824
Publication type:: Article

Synthesis and Addition Reactions of 1,3-Thiazole-5(4 H)-thione Oxides.

Published in:

Helvetica Chimica Acta, 1994, v. 77, n. 8, p. 2133, doi. 10.1002/hlca.19940770806

By:

Shi, Junxing;
Tromm, Peter;
Heimgartner, Heinz

Publication type:

Article

Cyclopropanization of Methyl Carboxylates with Tebbe-Type Reagents.

Published in:

Helvetica Chimica Acta, 1994, v. 77, n. 8, p. 2297, doi. 10.1002/hlca.19940770817

By:

Fallahpour, Reza-Ali;
Hansen, Hans-Jürgen

Publication type:

Article

Masthead.

Published in:: Helvetica Chimica Acta, 1994, v. 77, n. 8, p. fmi, doi. 10.1002/hlca.19940770801
Publication type:: Article

Multiorganyltin Compounds. Designing a novel phosphate-selective carrier.

Published in:

Helvetica Chimica Acta, 1994, v. 77, n. 8, p. 2191, doi. 10.1002/hlca.19940770812

By:

Tsagatakis, John K.;
Chaniotakis, Nikolas A.;
Jurkschat, Klaus

Publication type:

Article

Asymmetric Alkylations of a Sultam-Derived Glycine Equivalent: Practical preparation of enantiomerically pure α-amino acids.

Published in:

Helvetica Chimica Acta, 1994, v. 77, n. 8, p. 2363, doi. 10.1002/hlca.19940770823

By:

Oppolzer, Wolfgang;
Moretti, Robert;
Zhou, Changyou

Publication type:

Article

Synthesis of Aristotelia-Type Alkaloids. Part XIII. Total syntheses of (+)-makonine, (+)-aristotelinone, and (+)-11,12-didehydroaristoteline.

Published in:

Helvetica Chimica Acta, 1994, v. 77, n. 8, p. 2125, doi. 10.1002/hlca.19940770805

By:

Stahl, Reto;
Galli, Renato;
Güller, Rolf;
Borschberg, Hans-Jürg

Publication type:

Article

Conformational Parameters of the Sandalwood-Odor Activity: Conformational calculations on sandalwood odor.

Published in:

Helvetica Chimica Acta, 1994, v. 77, n. 8, p. 2286, doi. 10.1002/hlca.19940770816

By:

Buchbauer, Gerhard;
Hillisch, Alexander;
Mraz, Karin;
Wolschann, Peter

Publication type:

Article

In vivo Investigation of Plant-Cell Metabolism by means of natural-abundance 13C-NMR spectroscopy.

Published in:

Helvetica Chimica Acta, 1994, v. 77, n. 8, p. 2153, doi. 10.1002/hlca.19940770809

By:

Lutterbach, Ralf;
Stöckigt, Joachim

Publication type:

Article

2,3-Dihydrospiro[1 H-4- and 5-azabenzimidazole-2,1′ -cyclohexane] ( = Spiro[cyclohexane-1,2′(3′ H)-1′ H-imidazo[4,5- b]pyridine] and Spiro[cyclohexane-1,2′(3′ H)-1′ H-imidazo[4, 5- c]pyridine]): Reactions with Nucleophiles

Published in:

Helvetica Chimica Acta, 1994, v. 77, n. 8, p. 2175, doi. 10.1002/hlca.19940770811

By:

Schwoch, Stefan;
Kramer, Walter;
Neidlein, Richard;
Suschitzky, Hans

Publication type:

Article

Quantum Chemical Investigation of the Structure and Reactivity of Indole Derivatives of Tricarbonylchromium(0).

Published in:

Helvetica Chimica Acta, 1994, v. 77, n. 8, p. 2117, doi. 10.1002/hlca.19940770804

By:

Furet, Eric;
Savary, François;
Weber, Jacques;
Kündig, Ernst Peter

Publication type:

Article

Chemie von α-Aminonitrilen. 13. Mitteilung. Über die Bildung von 2-Oxoethyl-phosphaten ('Glycoladehyd-phosphaten') aus rac-Oxirancarbonitril und anorganischem Phosphat und über (formale) Konstitutionelle Zusammenhänge zwischen 2-Oxoethyl-phosphaten und Oligo (hexo- und pentopyranosyl)nucleotid-Rückgraten

Published in:

Helvetica Chimica Acta, 1994, v. 77, n. 8, p. 2251, doi. 10.1002/hlca.19940770815

By:

Pitsch, Stefan;
Pombo-Villar, Esteban;
Eschenmoser, Albert

Publication type:

Article

Monocarboxylates of 3-Methylidene-β-lactams: Synthesis and unusual oxidative rearrangement into a spiro[azetidine-3,3′-pyrrolidine] derivative.

Published in:

Helvetica Chimica Acta, 1994, v. 77, n. 8, p. 2147, doi. 10.1002/hlca.19940770808

By:

Johner, Michael;
Rihs, Grety;
Gürtler, Susanne;
Otto, Hans-Hartwig

Publication type:

Article

Diazoaldehyde Chemistry. Part 1. Transdiazotization of Acylacetaldehydes in Neutral-to-Acidic Medium. A Direct Approach to the Synthesis of α-Diazo-β-oxoaldehydes.

Published in:

Helvetica Chimica Acta, 1994, v. 77, n. 8, p. 2323, doi. 10.1002/hlca.19940770819

By:

Sezer, Özkan;
Anaç, Olcay

Publication type:

Article

Gas-Phase Generation and Characterization of Nitrileimine, HCNNH: A new, stable isomer of diazomethane.

Published in:

Helvetica Chimica Acta, 1994, v. 77, n. 8, p. 2354, doi. 10.1002/hlca.19940770822

By:

Goldberg, Norman;
Fiedler, Andreas;
Schwarz, Helmut

Publication type:

Article

Works matching IS 0018019X AND DT 1994 AND VI 77 AND IP 8

Einkristall-Strukturen eines Donator-Akzeptor-substituierten Cyclopentadiens, seines Kations und seines dimeren Anions: Verschiedenartige Störungen eines Kohlenstoff-Fünfringes.

Temporary Protection and Activation in the Regioselective Synthesis of Saccharide Sulfates.

C<sub>2</sub>-Symmetric Bicyclic Diols as Chiral Ligands in the titanate-catalyzed enantioselective addition of alkylzinc reagents to aldehydes.

Chemie von α-Aminonitrilen. 12. Mitteilung. Sondierungen über thermische Umwandlungen von α-Aminonitrilen.

A Practical Synthesis of (2 S, 3 R)-3-Amino-2-methylpentanoic Acid from L-Aspartic Acid.

Chemische Reaktionen mit Fischer-Carben-Komplexen des 1,6-Methano[10]annulens.

Glycosylidene Carbenes. Part 20. Synthesis of deprotected, spiro-linked C-glycosides of C<sub>60</sub>.

Insertion Reactions of [ReH(CO)<sub>5- n</sub>(PMe<sub>3</sub>)<sub> n</sub>] Complexes ( n = 2-4) with aldehydes, CO<sub>2</sub>, and activated acetylenes.

Mitteilungen - Communications.

Synthesis and Addition Reactions of 1,3-Thiazole-5(4 H)-thione Oxides.

Cyclopropanization of Methyl Carboxylates with Tebbe-Type Reagents.

Masthead.

Multiorganyltin Compounds. Designing a novel phosphate-selective carrier.

Asymmetric Alkylations of a Sultam-Derived Glycine Equivalent: Practical preparation of enantiomerically pure α-amino acids.

Synthesis of Aristotelia-Type Alkaloids. Part XIII. Total syntheses of (+)-makonine, (+)-aristotelinone, and (+)-11,12-didehydroaristoteline.

Conformational Parameters of the Sandalwood-Odor Activity: Conformational calculations on sandalwood odor.

In vivo Investigation of Plant-Cell Metabolism by means of natural-abundance <sup>13</sup>C-NMR spectroscopy.

2,3-Dihydrospiro[1 H-4- and 5-azabenzimidazole-2,1′ -cyclohexane] ( = Spiro[cyclohexane-1,2′(3′ H)-1′ H-imidazo[4,5- b]pyridine] and Spiro[cyclohexane-1,2′(3′ H)-1′ H-imidazo[4, 5- c]pyridine]): Reactions with Nucleophiles

Quantum Chemical Investigation of the Structure and Reactivity of Indole Derivatives of Tricarbonylchromium(0).

Monocarboxylates of 3-Methylidene-β-lactams: Synthesis and unusual oxidative rearrangement into a spiro[azetidine-3,3′-pyrrolidine] derivative.

Diazoaldehyde Chemistry. Part 1. Transdiazotization of Acylacetaldehydes in Neutral-to-Acidic Medium. A Direct Approach to the Synthesis of α-Diazo-β-oxoaldehydes.

Gas-Phase Generation and Characterization of Nitrileimine, HCNNH: A new, stable isomer of diazomethane.