Works matching IS 0018019X AND DT 1990 AND VI 73 AND IP 7

Results: 27

Masthead.

Published in:: Helvetica Chimica Acta, 1990, v. 73, n. 7, p. fmi, doi. 10.1002/hlca.19900730701
Publication type:: Article

Anion Selectivity of Tetravalent Tin Compounds in Membranes Studied by 119Sn-, 13C- and 1H-NMR.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 7, p. 1894, doi. 10.1002/hlca.19900730712

By:

Pham, Hung-Viet;
Pretsch, Ernö;
Fluri, Karl;
Bezegh, Andras;
Simon, Wilhelm

Publication type:

Article

Kinetic and thermodynamic parameters for Schiff-rase formation between 5′-deoxypyridoxal and hexylamine.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 7, p. 1991, doi. 10.1002/hlca.19900730723

By:

Vazquez, Miguel A.;
Donoso, Josefa;
Muñoz, Francisco;
Blanco, Francisco Garcia;
del Vado, M. Angeles Garcia;
Echevarria, Gerardo

Publication type:

Article

Enzyme-Mediated Regioselective Acylations of Flavonoid Disaccharide Monoglycosides.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 7, p. 1837, doi. 10.1002/hlca.19900730705

By:

Danieli, Bruno;
De Bellis, Paolo;
Carrea, Giacomo;
Riva, Sergio

Publication type:

Article

Synthesis of Cationic 2,4-Dimethylpenta-2,4-dienylruthenium Complexes. Crystal Structure of Carbonyl(η4-cyclohexa-1,3-diene)-(η5-2,4-dimethylpenta-2,4-dienyl)ruthenium Tetrafluoroborate.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 7, p. 1931, doi. 10.1002/hlca.19900730716

By:

Lumini, Tito;
Cox, David N.;
Roulet, Raymond;
Chapuis, Gervais;
Nicolo, Francesco

Publication type:

Article

Mitteilungen.

Published in:: Helvetica Chimica Acta, 1990, v. 73, n. 7, p. 2070, doi. 10.1002/hlca.19900730727
Publication type:: Article

The chemistry of coumarin derivatives, part 2. Reaction of 4-hydroxycoumarin with α,β-unsaturated aldehydes.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 7, p. 1865, doi. 10.1002/hlca.19900730709

By:

Appendino, Giovanni;
Cravotto, Giancarlo;
Tagliapietra, Silvia;
Nano, Gian Mario;
Palmisano, Giovanni

Publication type:

Article

Reaktionen von 5 H-1,2λ5-Azaphospholen mit Arylazocarbonitrilen sowie Acetylendicarbonsäure-estern.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 7, p. 1888, doi. 10.1002/hlca.19900730711

By:

Rieda, Walter;
Fulde, Maria;
Bats, Jan W.

Publication type:

Article

5-Methylnaioxone and 5-Methylnaltrexone: Synthesis and Pharmacological Evaluation.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 7, p. 1986, doi. 10.1002/hlca.19900730722

By:

Schmidhammer, Helmut;
Mayer-Valkanover, Karin;
Walla-Kugler, Michaela

Publication type:

Article

Regio-, Diastereo-, and Enantioselective Synthesis of Vicinal Diols via α-Silyl Ketones.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 7, p. 1833, doi. 10.1002/hlca.19900730704

By:

Enders, Dieter;
Nakai, Shiro

Publication type:

Article

Synthese von Pyrano[3,2- b][1]benzopyranen aus 1-Nitroglycalen.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 7, p. 1923, doi. 10.1002/hlca.19900730715

By:

Brade, Walter;
Vasella, Andrea

Publication type:

Article

The Radical Anions of [2.2]Metaparacyclophane-1,9-diene and Some Derivatives: An ESR and ENDOR Study.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 7, p. 2058, doi. 10.1002/hlca.19900730726

By:

Bruhin, Jürg;
Buser, Urs;
Gerson, Fabian;
Wellauer, Thomas

Publication type:

Article

Synthèse énantiospécifique du (+)-(6 S, 8 R, E)-2,3-didéhydrononactate de méthyle.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 7, p. 1861, doi. 10.1002/hlca.19900730708

By:

Deschenaux, Pierre-François;
Jacot-Guillarmod, André

Publication type:

Article

Carotinoide mit 7-Oxabicyclo[2.2.1]heptyl-Endgruppen. Teil I. Versuch einer Synthese von Cycloviolaxanthin (= (3 S,5 R,6 R,3′ S,5′ R,6′ R)-3,6:3′,6′-Diepoxy-5,6,5′,6′-tetrahydro-β,β-carotin-5,5′-diol)

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 7, p. 1954, doi. 10.1002/hlca.19900730719

By:

Gmünder, Michael Roman;
Eugster, Conrad Hans

Publication type:

Article

2,4-Disubstituted Pyrrolo[2,3- d]pyrimidine α- D- and β- D-Ribofuranosides Related to 7-Deazaguanosine.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 7, p. 1879, doi. 10.1002/hlca.19900730710

By:

Seela, Frank;
Soulimane, Tewfik;
Mersmann, Kann;
Jürgens, Thomas

Publication type:

Article

Neue Synthese von (−)-( R)-Cembren A, Synthese von (+)-( R)-Cembrenen und (+)-( S)-Cembren.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 7, p. 1980, doi. 10.1002/hlca.19900730721

By:

Farkas, Imre;
Pfander, Hanspeter

Publication type:

Article

Reinvestigation of the Conformation of Cyclosporin A in Chloroform.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 7, p. 1818, doi. 10.1002/hlca.19900730703

By:

Kessler, Horst;
Köck, Matthias;
Wein, Thomas;
Gehrke, Matthias

Publication type:

Article

Synthesis of 2-Acetamido-2-deoxy- D-gluconhydroximolactone- and Chitobionhydroximolactone-Derived N-Phenylcarbamates, Potential Inhibitors of β- N-Acetylglucosaminidase.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 7, p. 1918, doi. 10.1002/hlca.19900730714

By:

Beer, Dieter;
Maloisel, Jean-Luc;
Rast, Dora M.;
Vasella, Andrea

Publication type:

Article

Segregation of Charge in Ions of Dibenzo[ a, c]naphthacene: Relation of Topology and Electronic Structure. An NMR, ESR, and ENDOR Study.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 7, p. 2048, doi. 10.1002/hlca.19900730725

By:

Cohen, Yoram;
Fraenkel, Yigal;
Rabinovitz, Mordecai;
Felder, Patrick;
Gerson, Fabian

Publication type:

Article

Circular Dichroism of Some 2-(Phenylmethyl)pyridine Derivatives.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 7, p. 1853, doi. 10.1002/hlca.19900730707

By:

Berova, Nikolina;
Eojadziev, Stefan;
Bresciani-Pahor, Nevenka;
Ivanova, Petko M.;
Kojić-Prodicć, Biserka;
Rakovska, Rositza;
Ružić-Toroš, ŽIva;
Snatzke, Günther

Publication type:

Article

Synthese und chemische Eigenschaften heterocyclischer Tetracyanodimethane eines heterocyclischen N, N′-Dicyanodiimins sowie von voll substituierten monocyclischen Tetracyanodimethanen.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 7, p. 1948, doi. 10.1002/hlca.19900730718

By:

Neidlein, Richard;
Bischer, Alfred

Publication type:

Article

Bicyclo[4.2.0]octa-1,3,5-triene: 2-Mono- and 2,5-Disubstituted Derivatives via Highly Regioselective Lithiation of Its Cr(CO)3 Complex and via Reductive Silylation/Oxidation.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 7, p. 1970, doi. 10.1002/hlca.19900730720

By:

Kündig, E. Peter;
Ferret, Celia;
Rudolph, Bruno

Publication type:

Article

Stereoelectronic Aspects of the Anomeric Effect in Fluoromethylamine.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 7, p. 1805, doi. 10.1002/hlca.19900730702

By:

Irwin, John J.;
Ha, Tae-Kyu;
Dunitz, Jack D.

Publication type:

Article

Synthesis and Configuration of Some Hydroxymilbemycin Derivatives Including 22,23-Dihydroavermectin B1b Aglycone.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 7, p. 1905, doi. 10.1002/hlca.19900730713

By:

Frei, Bruno;
Huxley, Philip;
Maienfisch, Peter;
Mereyala, Hari Babu;
Rist, Günther;
O'Sullivan, Anthony C.

Publication type:

Article

A Novel Type of Dimeric Secoiridoid Glycoside from Lisianthius jefensis R OBYNS et E LIAS.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 7, p. 1845, doi. 10.1002/hlca.19900730706

By:

Hamburger, Matthias;
Hostettmanna, Maryse;
Stoeckli-Evans, Helen;
Soils, Pablo N.;
Gupta, Mahabir P.;
Hostettmanna, Kurt

Publication type:

Article

Configuration-Odor Relationships in 5β-Ambrox.

Published in:

Helvetica Chimica Acta, 1990, v. 73, n. 7, p. 1935, doi. 10.1002/hlca.19900730717

By:

Escher, Sina;
Giersch, Wolfgang;
Niclass, Yvan;
Bernardinelli, Gérald;
Ohloff, Günther

Publication type:

Article

Works matching IS 0018019X AND DT 1990 AND VI 73 AND IP 7

Masthead.

Anion Selectivity of Tetravalent Tin Compounds in Membranes Studied by <sup>119</sup>Sn-, <sup>13</sup>C- and <sup>1</sup>H-NMR.

Kinetic and thermodynamic parameters for Schiff-rase formation between 5′-deoxypyridoxal and hexylamine.

Enzyme-Mediated Regioselective Acylations of Flavonoid Disaccharide Monoglycosides.

Synthesis of Cationic 2,4-Dimethylpenta-2,4-dienylruthenium Complexes. Crystal Structure of Carbonyl(η<sup>4</sup>-cyclohexa-1,3-diene)-(η<sup>5</sup>-2,4-dimethylpenta-2,4-dienyl)ruthenium Tetrafluoroborate.

Mitteilungen.

The chemistry of coumarin derivatives, part 2. Reaction of 4-hydroxycoumarin with α,β-unsaturated aldehydes.

Reaktionen von 5 H-1,2λ<sup>5</sup>-Azaphospholen mit Arylazocarbonitrilen sowie Acetylendicarbonsäure-estern.

5-Methylnaioxone and 5-Methylnaltrexone: Synthesis and Pharmacological Evaluation.

Regio-, Diastereo-, and Enantioselective Synthesis of Vicinal Diols via α-Silyl Ketones.

Synthese von Pyrano[3,2- b][1]benzopyranen aus 1-Nitroglycalen.

The Radical Anions of [2.2]Metaparacyclophane-1,9-diene and Some Derivatives: An ESR and ENDOR Study.

Synthèse énantiospécifique du (+)-(6 S, 8 R, E)-2,3-didéhydrononactate de méthyle.

Carotinoide mit 7-Oxabicyclo[2.2.1]heptyl-Endgruppen. Teil I. Versuch einer Synthese von Cycloviolaxanthin (= (3 S,5 R,6 R,3′ S,5′ R,6′ R)-3,6:3′,6′-Diepoxy-5,6,5′,6′-tetrahydro-β,β-carotin-5,5′-diol)

2,4-Disubstituted Pyrrolo[2,3- d]pyrimidine α- D- and β- D-Ribofuranosides Related to 7-Deazaguanosine.

Neue Synthese von (−)-( R)-Cembren A, Synthese von (+)-( R)-Cembrenen und (+)-( S)-Cembren.

Reinvestigation of the Conformation of Cyclosporin A in Chloroform.

Synthesis of 2-Acetamido-2-deoxy- D-gluconhydroximolactone- and Chitobionhydroximolactone-Derived N-Phenylcarbamates, Potential Inhibitors of β- N-Acetylglucosaminidase.

Segregation of Charge in Ions of Dibenzo[ a, c]naphthacene: Relation of Topology and Electronic Structure. An NMR, ESR, and ENDOR Study.

Circular Dichroism of Some 2-(Phenylmethyl)pyridine Derivatives.

Synthese und chemische Eigenschaften heterocyclischer Tetracyanodimethane eines heterocyclischen N, N′-Dicyanodiimins sowie von voll substituierten monocyclischen Tetracyanodimethanen.

Bicyclo[4.2.0]octa-1,3,5-triene: 2-Mono- and 2,5-Disubstituted Derivatives via Highly Regioselective Lithiation of Its Cr(CO)<sub>3</sub> Complex and via Reductive Silylation/Oxidation.

Stereoelectronic Aspects of the Anomeric Effect in Fluoromethylamine.

Synthesis and Configuration of Some Hydroxymilbemycin Derivatives Including 22,23-Dihydroavermectin B<sub>1b</sub> Aglycone.

Weitere Beiträge zur Synthese von (+)-Aspicilin.

A Novel Type of Dimeric Secoiridoid Glycoside from Lisianthius jefensis R OBYNS et E LIAS.

Configuration-Odor Relationships in 5β-Ambrox.