Works matching IS 0018019X AND DT 1985 AND VI 68 AND IP 1

Results: 35

Stoffwechselprodukte von Mikroorganismen. 231. Mitteilung. Bafilomycin-A1-21- O-(α-L-rhamnopyranosid): Strukturaufklärung durch chemische Verknüpfung mit Bafilomycin A1 und Leucanicidin.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 1, p. 83, doi. 10.1002/hlca.19850680111

By:

Meyer, Michael;
Keller-Schierlein, Walter;
Drautz, Hannelore;
Blank, Wolfgang;
Zähner, Hans

Publication type:

Article

Skeletal Migrations Observed during the Cob(I)alamin-Catalyzed Reduction of 4β-( tert-Butyl)-1β-(1-methylvinyl)cyclohexanecarbaldehyde.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 1, p. 181, doi. 10.1002/hlca.19850680122

By:

Ziegler, Carl B.;
Fischli, Albert

Publication type:

Article

Tritylketone und Tritylenone. Beiträge zur sterisch erzwungenen Michael-Addition und zur diastereoselektiven Aldol-Addition.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 1, p. 264, doi. 10.1002/hlca.19850680133

By:

Seebach, Dieter;
Ertas̨, Mümtaz;
Locher, Rita;
Bernd Schweizer, W.

Publication type:

Article

Inverted Hyperconjugation in Symmetrical 1,4-Dihalocubanes.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 1, p. 23, doi. 10.1002/hlca.19850680104

By:

Honegger, Evi;
Heilbronner, Edgar;
Urbanek, Thomas;
Martin, Hans-Dieter

Publication type:

Article

Steric Effects on Reaction Rates. VI. Application of a New MM2 Force-Field for Carbenium Ions to Solvolysis Rates of Secondary p-Toluenesulfonates.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 1, p. 119, doi. 10.1002/hlca.19850680115

By:

Müller, Paul;
Mareda, Jiri

Publication type:

Article

Camphorsulfonamide-Shielded, Asymmetric 1,4-Additions and Enolate Alkylations; Synthesis of a Southern Corn Rootworm Pheromone. Preliminary Communication.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 1, p. 212, doi. 10.1002/hlca.19850680126

By:

Oppolzer, Wolfgang;
Dudfield, Philip;
Stevenson, Thomas;
Godel, Thierry

Publication type:

Article

Halochrome Molekeln. 6. Mitteilung. Spektrophotometrische Untersuchungen zum acidobasischen Verhalten substituierter 6,6-Diphenyl-6 H-chromeno[4,3- b]indolizine und ihrer Aza-analogen.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 1, p. 64, doi. 10.1002/hlca.19850680108

By:

Gunzenhauser, Sigmund;
Balli, Heinz

Publication type:

Article

Alkylierung in der 2-Stellung von (2 S, 4 R)- 4-Hydroxyprolin unter Retention.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 1, p. 155, doi. 10.1002/hlca.19850680119

By:

Weber, Theodor;
Seebach, Dieter

Publication type:

Article

Bond Angles in Lactones and Lactams.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 1, p. 76, doi. 10.1002/hlca.19850680110

By:

Nørskov-Lauritsen, Leif;
Bürgi, Hans-Beat;
Hofmann, Peter;
Schmidt, Helmut R.

Publication type:

Article

Nucleophilic 1,2-Shifts of Alkoxycarbonyl and Carboxylate Groups in the Benzilic-Acid Type Rearrangement of α,β-Dioxobutyric Esters.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 1, p. 173, doi. 10.1002/hlca.19850680121

By:

Gowal, Heike;
Dao, Lê H.;
Dahn, Hans

Publication type:

Article

Synthesen von stellungsisomeren Alkoxyformylderivaten des 1,6-Methano[10]annulens.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 1, p. 255, doi. 10.1002/hlca.19850680132

By:

Neidlein, Richard;
Hartz, Georg

Publication type:

Article

Melanotropin Receptors II. Synthesis and Biological Activity of α-Melanotropin/Tobacco Mosaic Virus Disulfide Conjugates.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 1, p. 12, doi. 10.1002/hlca.19850680103

By:

Wunderlin, Rudolf;
Sharma, Shub Dev;
Minakakis, Panagiota;
Schwyzer, Robert

Publication type:

Article

Cyclic Octa- and Decapeptides as Ionophores for Magnesium.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 1, p. 110, doi. 10.1002/hlca.19850680114

By:

Behm, Felix;
Ammann, Daniel;
Simon, Wilhelm;
Brunfeldt, Kay;
Halstrøm, John

Publication type:

Article

Photochemical reactions. 142nd communication. Photochemistry of a 6,7-epoxy-1,3-diene of the ionone series.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 1, p. 207, doi. 10.1002/hlca.19850680125

By:

Mathies, Peter;
Frei, Bruno;
Jeger, Oskar

Publication type:

Article

Halochrome Molekeln. 5. Mitteilung. Synthese substituierter 6 H-Chromeno[4,3- b]indolizine und ihrer Aza-analogen.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 1, p. 56, doi. 10.1002/hlca.19850680107

By:

Gunzenhauser, Sigmund;
Balli, Heinz

Publication type:

Article

α-Alkylation of Amino Acids without Racemization. Preparation of Either ( S)- or ( R)-α-Methyldopa from ( S)-Alanine.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 1, p. 144, doi. 10.1002/hlca.19850680118

By:

Seebach, Dieter;
Aebi, Johannes D.;
Naef, Reto;
Weber, Theodor

Publication type:

Article

Synthese und Reaktionen von Bicyclo[6.4.0]dodecan-3-carbonsäure-Derivaten.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 1, p. 231, doi. 10.1002/hlca.19850680129

By:

Buchbauer, Gerhard;
Gabmeier, Johanna;
Haslinger, Ernst;
Robien, Wolfgang;
Steindl, Harald

Publication type:

Article

Über den sterischen Verlauf der Umsetzung von Enaminen aus offenkettigen Aldehyden und Ketonen mit Nitroolefinen zu 2,3-disubstituierten 4-Nitroketonen.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 1, p. 162, doi. 10.1002/hlca.19850680120

By:

Seebach, Dieter;
Beck, Albert K.;
Goliński, Jerzy;
Hay, John N.;
Laube, Thomas

Publication type:

Article

Synthèse électrochimique de complexes Ni(O)-diazabutadiène.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 1, p. 248, doi. 10.1002/hlca.19850680131

By:

Coulombeix, José;
Emmenegger, Franz-Peter

Publication type:

Article

Melanotropin Receptors I. Synthesis and Biological Activity of Nα-(5-Bromovaleryl)- Nα-deacetyl-α-melanotropin.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 1, p. 1, doi. 10.1002/hlca.19850680102

By:

Wunderlin, Rudolf;
Minakakis, Panagiota;
Tun-Kyi, Aung;
Sharma, Shub Dev;
Schwyzer, Robert

Publication type:

Article

β-Funktionalisierte Hydrazine aus N-Phthalimidoaziridinen und ihre hydrogenolytische N,N-Spaltung zu Aminen.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 1, p. 220, doi. 10.1002/hlca.19850680128

By:

Egli, Markus;
Hoesch, Lienhard;
Dreiding, André S.

Publication type:

Article

Photochemical reactions. 141st communication. Photochemistry of α,β-unsaturated δ,ϵ-epoxyketones of the ionone series.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 1, p. 192, doi. 10.1002/hlca.19850680124

By:

Mathies, Peter;
Frei, Bruno;
Jeger, Oskar

Publication type:

Article

Mitteilungen - Communications.

Published in:: Helvetica Chimica Acta, 1985, v. 68, n. 1, p. 288, doi. 10.1002/hlca.19850680135
Publication type:: Article

Probes for a Regulatory Site on the Nicotinic Acetylcholine Receptor-Channel. Synthesis of (±)-7-Debutylperhydrohistrionicotoxin, (±)-2-Depentyl-7-debutylperhydrohistrionicotoxin, and their Analogues.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 1, p. 49, doi. 10.1002/hlca.19850680106

By:

Gessner, Wieslaw;
Takahashi, Kimio;
Witkop, Bernhard;
Brossi, Arnold;
Albuquerque, Edson X.

Publication type:

Article

Herstellung enantiomerenreiner cis- oder trans-konfigurierter 2-( tert-Butyl)-3-methylimidazolidin-4-one aus den Aminosäuren ( S)-Alanin, ( S)-Phenylalanin, ( R)-Phenylglycin, ( S)-Methionin und ( S)-Valin.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 1, p. 135, doi. 10.1002/hlca.19850680117

By:

Naef, Reto;
Seebach, Dieter

Publication type:

Article

The adamantane rearrangement of 1,2-trimethylenenorbornanes. Part IV. Hydride-ion abstraction in 1,2- exo-trimethylenenorbornane.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 1, p. 104, doi. 10.1002/hlca.19850680113

By:

Klester, Alfred Michael;
Ganter, Camille

Publication type:

Article

d6 and d8 Metal Carbonyl Complexes of 7,7-Dimethoxy-5,6-dimethylidenebicyclo[2.2.1]hept-2-ene. Stereoselective Hydroformylation of an [Fe(CO)4(olefin)] Complex.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 1, p. 236, doi. 10.1002/hlca.19850680130

By:

Loset, Jacques;
Roulet, Raymond

Publication type:

Article

Masthead.

Published in:: Helvetica Chimica Acta, 1985, v. 68, n. 1, p. fmi, doi. 10.1002/hlca.19850680101
Publication type:: Article

Syntheses of Racemic Diaminosugar Derivatives Starting from 1,2-Dihydropyridines and from Nitrosobenzene.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 1, p. 95, doi. 10.1002/hlca.19850680112

By:

Augelmann, Gérard;
Streith, Jacques;
Fritz, Hans

Publication type:

Article

The crystal structure of racemic and meso-diastereoisomers of aqua[2,6-bis(3-carboxy-1,2-dimethyl-2-azapropyl)pyridine]-Co(III) · Hexafluorophosphate · Di- and monohydrate, respectively.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 1, p. 185, doi. 10.1002/hlca.19850680123

By:

Stoeckli-Evans, Helen;
Brehm, Lotte;
Pousaz, Philippe;
Bernauer, Klaus;
Bürgi, Hans-Beat

Publication type:

Article

Stereoselective glycosylation of Alcohols and Silyl Ethers Using Glycosyl Fluorides and Boron Trifluoride Etherate.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 1, p. 283, doi. 10.1002/hlca.19850680134

By:

Kunz, Horst;
Sager, Wilfried

Publication type:

Article

Sesquiterpenoids of the Sponge Dysidea fragilis of the North-Brittany Sea.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 1, p. 39, doi. 10.1002/hlca.19850680105

By:

Guella, Graziano;
Guerriero, Antonio;
Pietra, Francesco

Publication type:

Article

Stereoselective Double Functionalization of Iron-Carbonyl Complexes of 5,6,7,8-Tetramethylidenebicyclo[2.2.2]oct-2-ene. Crystal Structure and Absolute Configuration of (-)- trans-μ-[(2 S,5 R,7 S)- C,5,6, C-η: C,7,8, C-η-(6,7,8-trimethylidene-5-(( Z)-2-oxopropylidene)-2-bicyclo[2.2.2]octyl acetate)]-bis(tricarbonyliron)

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 1, p. 126, doi. 10.1002/hlca.19850680116

By:

Tagliaferri, Enrico;
Campiche, Philippe;
Roulet, Raymond;
Gabioud, Raphy;
Vogel, Pierre;
Chapuis, Gervais

Publication type:

Article

Asymmetric α-Acetoxylation of Carboxylic Esters. Preliminary Communication.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 1, p. 216, doi. 10.1002/hlca.19850680127

By:

Oppolzer, Wolfgang;
Dudfield, Philip

Publication type:

Article

Dimerisation of caffeine.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 1, p. 72, doi. 10.1002/hlca.19850680109

By:

Horman, Ian;
Dreux, Bernard

Publication type:

Article

Works matching IS 0018019X AND DT 1985 AND VI 68 AND IP 1

Stoffwechselprodukte von Mikroorganismen. 231. Mitteilung. Bafilomycin-A<sub>1</sub>-21- O-(α-L-rhamnopyranosid): Strukturaufklärung durch chemische Verknüpfung mit Bafilomycin A<sub>1</sub> und Leucanicidin.

Skeletal Migrations Observed during the Cob(I)alamin-Catalyzed Reduction of 4β-( tert-Butyl)-1β-(1-methylvinyl)cyclohexanecarbaldehyde.

Tritylketone und Tritylenone. Beiträge zur sterisch erzwungenen Michael-Addition und zur diastereoselektiven Aldol-Addition.

Inverted Hyperconjugation in Symmetrical 1,4-Dihalocubanes.

Steric Effects on Reaction Rates. VI. Application of a New MM2 Force-Field for Carbenium Ions to Solvolysis Rates of Secondary p-Toluenesulfonates.

Camphorsulfonamide-Shielded, Asymmetric 1,4-Additions and Enolate Alkylations; Synthesis of a Southern Corn Rootworm Pheromone. Preliminary Communication.

Halochrome Molekeln. 6. Mitteilung. Spektrophotometrische Untersuchungen zum acidobasischen Verhalten substituierter 6,6-Diphenyl-6 H-chromeno[4,3- b]indolizine und ihrer Aza-analogen.

Alkylierung in der 2-Stellung von (2 S, 4 R)- 4-Hydroxyprolin unter Retention.

Bond Angles in Lactones and Lactams.

Nucleophilic 1,2-Shifts of Alkoxycarbonyl and Carboxylate Groups in the Benzilic-Acid Type Rearrangement of α,β-Dioxobutyric Esters.

Synthesen von stellungsisomeren Alkoxyformylderivaten des 1,6-Methano[10]annulens.

Melanotropin Receptors II. Synthesis and Biological Activity of α-Melanotropin/Tobacco Mosaic Virus Disulfide Conjugates.

Cyclic Octa- and Decapeptides as Ionophores for Magnesium.

Photochemical reactions. 142<sup>nd</sup> communication. Photochemistry of a 6,7-epoxy-1,3-diene of the ionone series.

Halochrome Molekeln. 5. Mitteilung. Synthese substituierter 6 H-Chromeno[4,3- b]indolizine und ihrer Aza-analogen.

α-Alkylation of Amino Acids without Racemization. Preparation of Either ( S)- or ( R)-α-Methyldopa from ( S)-Alanine.

Synthese und Reaktionen von Bicyclo[6.4.0]dodecan-3-carbonsäure-Derivaten.

Über den sterischen Verlauf der Umsetzung von Enaminen aus offenkettigen Aldehyden und Ketonen mit Nitroolefinen zu 2,3-disubstituierten 4-Nitroketonen.

Synthèse électrochimique de complexes Ni(O)-diazabutadiène.

Melanotropin Receptors I. Synthesis and Biological Activity of N<sup>α</sup>-(5-Bromovaleryl)- N<sup>α</sup>-deacetyl-α-melanotropin.

β-Funktionalisierte Hydrazine aus N-Phthalimidoaziridinen und ihre hydrogenolytische N,N-Spaltung zu Aminen.

Photochemical reactions. 141<sup>st</sup> communication. Photochemistry of α,β-unsaturated δ,ϵ-epoxyketones of the ionone series.

Mitteilungen - Communications.

Probes for a Regulatory Site on the Nicotinic Acetylcholine Receptor-Channel. Synthesis of (±)-7-Debutylperhydrohistrionicotoxin, (±)-2-Depentyl-7-debutylperhydrohistrionicotoxin, and their Analogues.

Herstellung enantiomerenreiner cis- oder trans-konfigurierter 2-( tert-Butyl)-3-methylimidazolidin-4-one aus den Aminosäuren ( S)-Alanin, ( S)-Phenylalanin, ( R)-Phenylglycin, ( S)-Methionin und ( S)-Valin.

The adamantane rearrangement of 1,2-trimethylenenorbornanes. Part IV. Hydride-ion abstraction in 1,2- exo-trimethylenenorbornane.

d<sup>6</sup> and d<sup>8</sup> Metal Carbonyl Complexes of 7,7-Dimethoxy-5,6-dimethylidenebicyclo[2.2.1]hept-2-ene. Stereoselective Hydroformylation of an [Fe(CO)<sub>4</sub>(olefin)] Complex.

Masthead.

Syntheses of Racemic Diaminosugar Derivatives Starting from 1,2-Dihydropyridines and from Nitrosobenzene.

The crystal structure of racemic and meso-diastereoisomers of aqua[2,6-bis(3-carboxy-1,2-dimethyl-2-azapropyl)pyridine]-Co(III) · Hexafluorophosphate · Di- and monohydrate, respectively.

Stereoselective glycosylation of Alcohols and Silyl Ethers Using Glycosyl Fluorides and Boron Trifluoride Etherate.

Sesquiterpenoids of the Sponge Dysidea fragilis of the North-Brittany Sea.

Asymmetric α-Acetoxylation of Carboxylic Esters. Preliminary Communication.

Dimerisation of caffeine.