Works matching IS 0018019X AND DT 1989 AND VI 72 AND IP 5

Results: 38

Cyclodimerization of 1-(Dimethoxyniethyl)-5,6-dimethylidene-7-oxa-bicyclo[2.2.1]hept-2-ene Induced by Nonacarbonyldiiron. Crystal Structure of (1 RS, 2 SR, 3 RS, 4 RS, 4a RS, 9a SR)- Tricarbonyl[ C, 2,3, C-η-(1,4-epoxy-1,5-bis(dimethoxymethyl)-2,3-dimethylidene-1,2,3,4,4a,9,9a,10-octahydroanthracene)]iron

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 5, p. 906, doi. 10.1002/hlca.19890720506

By:

Bonlantini, Edia;
Vogel, Pierre;
Pinkerton, Alan A.

Publication type:

Article

The Synthesis of Racemic Ambrox®.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 5, p. 996, doi. 10.1002/hlca.19890720517

By:

Büchi, George;
Wüest, Hans

Publication type:

Article

Diastereoface Selectivity During Pthalimidonitrene Additions to ( E)-and ( Z)-configurated α, β-unsaturated esters, induced by a chiral center in the γ-position.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 5, p. 1095, doi. 10.1002/hlca.19890720528

By:

Chilmonczyk, Zdzislaw;
Egli, Markus;
Behringcr, Christoph;
Dreiding, AndréS.

Publication type:

Article

Bretonin A and Isobretonin A, Unique Glycerol Derivatives Isolated from a Demosponge of Brittany Waters.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 5, p. 1121, doi. 10.1002/hlca.19890720530

By:

Guella, Graziano;
Mancini, Ines;
Pietra, Francesco

Publication type:

Article

Masthead.

Published in:: Helvetica Chimica Acta, 1989, v. 72, n. 5, p. fmi, doi. 10.1002/hlca.19890720501
Publication type:: Article

Verschiedenartige Addukte von Ketonen, Diazocyaniden sowie Nitrosobenzol an (Methylidenamino)phosphene.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 5, p. 969, doi. 10.1002/hlca.19890720512

By:

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

Publication type:

Article

An Unexpected Asymmetric Reduction of 4-(1-Nitro-2-oxocyclododecyl)butan-2-one. Determination of the absolute configuration of (-)-15-hexadecanolide.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 5, p. 1052, doi. 10.1002/hlca.19890720523

By:

Stanchev, Stephan;
Hesse, Manfred

Publication type:

Article

Conversion of Campholene- to Necrodane-Type Monoterpenes. A short stereoselective synthesis of (−)-( R, R)-β-necrodol and its three stereoisomers.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 5, p. 1158, doi. 10.1002/hlca.19890720534

By:

Schulte-Elte, Karl H.;
Pamingle, Hervé

Publication type:

Article

A Regioselective Cyclohexannulation Procedure via Dienamine [4 + 2] Cycloaddition. Synthesis of Functionalised Decalins.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 5, p. 892, doi. 10.1002/hlca.19890720505

By:

Snowden, Roger L.;
Linder, Simon M.;
Wüst, Manfred

Publication type:

Article

Structural Aspects of the Enantioselectivity of Tartrates with α-Amino-alcohol Salts. Part II. Crystal structures of (1 R, 2 S)-norephedrine hydrochloride and (1 R, 2 R)- norpseudoephedrine hydrochloride.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 5, p. 1151, doi. 10.1002/hlca.19890720533

By:

Egli, Martin;
Dobler, Max

Publication type:

Article

A New Route to Crystalline Salts of the Hydrolytic Dimer of Chromium(III).

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 5, p. 993, doi. 10.1002/hlca.19890720516

By:

Merakis, Thomas;
Murphy, Annette;
Spiccia, Leone;
Beguin, Alan;
Marty, Werner

Publication type:

Article

Mitteilungen.

Published in:: Helvetica Chimica Acta, 1989, v. 72, n. 5, p. 1170, doi. 10.1002/hlca.19890720538
Publication type:: Article

Photochemical Reactions 150th Communication. Wavelength Dependence of the Photochemistry of 7-Methyl-β-ionone.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 5, p. 933, doi. 10.1002/hlca.19890720509

By:

Mathies, Peter;
Nishio, Takehiko;
Frei, Bruno;
Jeger, Oskar

Publication type:

Article

Catechol- O-methyltransferase-Inhibiting Pyrocatechol Derivatives: Synthesis and Structure-Activity Studies.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 5, p. 952, doi. 10.1002/hlca.19890720511

By:

Borgulya, Janos;
Bruderer, Hans;
Bernauer, Karl;
Zürcher, Gerhard;
Prada, Mosé Da

Publication type:

Article

Synthesis and NMD A Antagonistic Properties of the Enantiomers of 4-(3-phosphonopropyl)piperazine-2-carboxylic acid (CPP) and of the unsaturated analogue ( E)-4-(3-phosphonoprop-2-enyl)piperazine-2-carboxylic acid (CPP-ene).

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 5, p. 1043, doi. 10.1002/hlca.19890720522

By:

Aebischer, Bernard;
Frey, Peter;
Haerter, Hans-Peter;
Herrling, Paul L.;
Mueller, Werner;
Olverman, Henry J.;
Watkins, Jeffrey C.

Publication type:

Article

2′, 3′-Dideoxy-3′-fluorotubercidin and Related Dideoxyribonucleosides:. Synthesis via a 2′-deoxy-3′-oxoribofuranoside intermediate and conformation studies.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 5, p. 1084, doi. 10.1002/hlca.19890720527

By:

Rosemeyer, Helmut;
Seela, Frank

Publication type:

Article

Acid-Catalyzed Rearrangement of 3-Aza-8-oxatricyclo[3.2.1. 02,4]octan-6-one Acetals. Highly Stereoselective Total Synthesis of 3-Amino-3-deoxy- D-altrose and Derivatives.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 5, p. 882, doi. 10.1002/hlca.19890720504

By:

Nativi, Cristina;
Reymond, Jean-Louis;
Vogel, Pierre

Publication type:

Article

Notiz über Ellagitannine und Flavonol-glycoside aus Rosenblüten.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 5, p. 985, doi. 10.1002/hlca.19890720515

By:

Nayeshiro, Kyosuke;
Eugster, Conrad Hans

Publication type:

Article

Chloride Binding by Polyammonium Receptor Molecules: 35Cl-NMR Studies.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 5, p. 1078, doi. 10.1002/hlca.19890720526

By:

Hosseini, Mir Wais;
Kintzinger, Jean-Pierre;
Lehn, Jean-Marie;
Zahidi, Assou

Publication type:

Article

Erratum.

Published in:: Helvetica Chimica Acta, 1989, v. 72, n. 5, p. 1169, doi. 10.1002/hlca.19890720537
Publication type:: Article

Biologically Active Natural Acetylenic Compounds from Eutypa lata (Pers: F.) T UL.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 5, p. 929, doi. 10.1002/hlca.19890720508

By:

Renaud, Jean-Marc;
Tsoupras, Georges;
Tabacchi, Raffaele

Publication type:

Article

The Carbonyl Group as Homoconjugated Electron-Releasing Substituent. Regioselective electrophilic additions at bicyclo[2.2.1]hept-5-en-2-one, bicyclo[2.2.2]oct-5-en-2-one, and derivatives.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 5, p. 1008, doi. 10.1002/hlca.19890720519

By:

Carrupt, Pierre-Alain;
Vogel, Pierre

Publication type:

Article

Photochemical Reactions 151st Communication. Photo-oxygenation of ( E)- and ( Z)-7-Methyl-β-ionone.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 5, p. 943, doi. 10.1002/hlca.19890720510

By:

Nishio, Takehiko;
Mathies, Peter;
Job, Kurt;
Frei, Bruno;
Jeger, Oskar

Publication type:

Article

Enantioselective Synthesis: Steric and electronic effects of the substrates upon stereoselectivity in the gold(I)-catalyzed aldol reaction with chiral ferrocenylamine ligands, preliminary communication.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 5, p. 1038, doi. 10.1002/hlca.19890720521

By:

Togni, Antonio;
Pastor, Stephen D.

Publication type:

Article

Structural Aspects of the Enantioselectivity of Tartrates with α-Amino-alcohol Salts part. I. Crystal structures of eleven tartaric-acid diesters.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 5, p. 1136, doi. 10.1002/hlca.19890720532

By:

Egli, Martin;
Dobler, Max

Publication type:

Article

2′-Deoxy-β- D-ribofuranosides of N6-Methylated 7-Deazaadenine and 8-Aza-7-deazaadenine: Solid-phase synthesis of oligodeoxyribonucleotides and properties of self-complementary duplexes.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 5, p. 868, doi. 10.1002/hlca.19890720503

By:

Seela, Frank;
Kaiser, Klaus;
Bindig, Uwe

Publication type:

Article

Silicon-Directed Regio- and Enantioselective Synthesis of α-Hydroxy-ketones Preliminary Communication.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 5, p. 980, doi. 10.1002/hlca.19890720514

By:

Lohray, Braj B.;
Enders, Dieter

Publication type:

Article

Synthesis of Polyaza Macrocyclic Ligands Incorporating Pyridine Units.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 5, p. 1066, doi. 10.1002/hlca.19890720525

By:

Hosseini, Mir Wais;
Comarmond, Jacques;
Lehn, Jean-Marie

Publication type:

Article

Addendum.

Published in:: Helvetica Chimica Acta, 1989, v. 72, n. 5, p. 1169, doi. 10.1002/hlca.19890720536
Publication type:: Article

Synthesis of Chiral 12-Phenyl(2H)dodecanoic Acids: Useful metabolic probes for the biosynthesis of 1-alkenes from fatty acids.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 5, p. 917, doi. 10.1002/hlca.19890720507

By:

Görgen, Günther;
Boland, Wilhelm;
Preiss, Ute;
Simon, Helmut

Publication type:

Article

Novel Prenylated Xanthones from Garcinia gerrardii H ARVEY.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 5, p. 1001, doi. 10.1002/hlca.19890720518

By:

Sordat-Diserens, Isabelle;
Marston, Andrew;
Hamburger, Matthias;
Hostettmann, Kurt;
Rogers, Colin

Publication type:

Article

New Spirostaphyiotrichins from the Mutant Strain P 84 of Staphylotrichum coccosporum.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 5, p. 1107, doi. 10.1002/hlca.19890720529

By:

Sandmeier, Peter;
Tamm, Christoph

Publication type:

Article

Energy-Minimized Structures and Calculated and Experimental Isomer distributions in the hexaamine-cobalt(III) system [Co(L)2]3+ with the chiral facially-coordinating triamine (l = butane-1,2,4-triamine).

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 5, p. 1029, doi. 10.1002/hlca.19890720520

By:

Comba, Peter;
Maeder, Marcel;
Zipper, Luc

Publication type:

Article

An Eclipsed C(sp3)-CH3 Bond in a Crystalline Hydrated Tricyclic Orthoamide: Evidence for CH...︁O hydrogen bonds.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 5, p. 1125, doi. 10.1002/hlca.19890720531

By:

Seiler, Paul;
Dunitz, Jack D.

Publication type:

Article

Solubilization of Peptides in Non-polar Organic Solvents by the Addition of Inorganic Salts: Facts and Implications.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 5, p. 857, doi. 10.1002/hlca.19890720502

By:

Seebach, Dieter;
Thaler, Adrian;
Beck, Albert K.

Publication type:

Article

Photochemical Synthesis of Cyclic 2-(2,2-Dimethylpropylidene)-1,3-dicarbonyl Compounds.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 5, p. 975, doi. 10.1002/hlca.19890720513

By:

Hobel, Klaus;
Margaretha, Paul

Publication type:

Article

Synthèse du virensate de méthyle.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 5, p. 1061, doi. 10.1002/hlca.19890720524

By:

Pulgarin, César;
Tabacchi, Raffaele

Publication type:

Article

Bestimmung von Stabilitätskonstanten in Ethanol für Li+-selektive Ionophore mittels differentieller Dampfdruckosmometrie.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 5, p. 1164, doi. 10.1002/hlca.19890720535

By:

Bliggensdorfer, René;
Suter, Gabriela;
Simon, Wilhelm

Publication type:

Article

Works matching IS 0018019X AND DT 1989 AND VI 72 AND IP 5

The Synthesis of Racemic Ambrox®.

Diastereoface Selectivity During Pthalimidonitrene Additions to ( E)-and ( Z)-configurated α, β-unsaturated esters, induced by a chiral center in the γ-position.

Bretonin A and Isobretonin A, Unique Glycerol Derivatives Isolated from a Demosponge of Brittany Waters.

Masthead.

Verschiedenartige Addukte von Ketonen, Diazocyaniden sowie Nitrosobenzol an (Methylidenamino)phosphene.

An Unexpected Asymmetric Reduction of 4-(1-Nitro-2-oxocyclododecyl)butan-2-one. Determination of the absolute configuration of (-)-15-hexadecanolide.

Conversion of Campholene- to Necrodane-Type Monoterpenes. A short stereoselective synthesis of (−)-( R, R)-β-necrodol and its three stereoisomers.

A Regioselective Cyclohexannulation Procedure via Dienamine [4 + 2] Cycloaddition. Synthesis of Functionalised Decalins.

Structural Aspects of the Enantioselectivity of Tartrates with α-Amino-alcohol Salts. Part II. Crystal structures of (1 R, 2 S)-norephedrine hydrochloride and (1 R, 2 R)- norpseudoephedrine hydrochloride.

A New Route to Crystalline Salts of the Hydrolytic Dimer of Chromium(III).

Mitteilungen.

Photochemical Reactions 150th Communication. Wavelength Dependence of the Photochemistry of 7-Methyl-β-ionone.

Catechol- O-methyltransferase-Inhibiting Pyrocatechol Derivatives: Synthesis and Structure-Activity Studies.

Synthesis and NMD A Antagonistic Properties of the Enantiomers of 4-(3-phosphonopropyl)piperazine-2-carboxylic acid (CPP) and of the unsaturated analogue ( E)-4-(3-phosphonoprop-2-enyl)piperazine-2-carboxylic acid (CPP-ene).

2′, 3′-Dideoxy-3′-fluorotubercidin and Related Dideoxyribonucleosides:. Synthesis via a 2′-deoxy-3′-oxoribofuranoside intermediate and conformation studies.

Acid-Catalyzed Rearrangement of 3-Aza-8-oxatricyclo[3.2.1. 0<sup>2,4</sup>]octan-6-one Acetals. Highly Stereoselective Total Synthesis of 3-Amino-3-deoxy- D-altrose and Derivatives.

Notiz über Ellagitannine und Flavonol-glycoside aus Rosenblüten.

Chloride Binding by Polyammonium Receptor Molecules: <sup>35</sup>Cl-NMR Studies.

Erratum.

Biologically Active Natural Acetylenic Compounds from Eutypa lata (Pers: F.) T UL.

The Carbonyl Group as Homoconjugated Electron-Releasing Substituent. Regioselective electrophilic additions at bicyclo[2.2.1]hept-5-en-2-one, bicyclo[2.2.2]oct-5-en-2-one, and derivatives.

Photochemical Reactions 151st Communication. Photo-oxygenation of ( E)- and ( Z)-7-Methyl-β-ionone.

Enantioselective Synthesis: Steric and electronic effects of the substrates upon stereoselectivity in the gold(I)-catalyzed aldol reaction with chiral ferrocenylamine ligands, preliminary communication.

Structural Aspects of the Enantioselectivity of Tartrates with α-Amino-alcohol Salts part. I. Crystal structures of eleven tartaric-acid diesters.

2′-Deoxy-β- D-ribofuranosides of N<sup>6</sup>-Methylated 7-Deazaadenine and 8-Aza-7-deazaadenine: Solid-phase synthesis of oligodeoxyribonucleotides and properties of self-complementary duplexes.

Silicon-Directed Regio- and Enantioselective Synthesis of α-Hydroxy-ketones Preliminary Communication.

Synthesis of Polyaza Macrocyclic Ligands Incorporating Pyridine Units.

Addendum.

Synthesis of Chiral 12-Phenyl(<sup>2</sup>H)dodecanoic Acids: Useful metabolic probes for the biosynthesis of 1-alkenes from fatty acids.

Novel Prenylated Xanthones from Garcinia gerrardii H ARVEY.

New Spirostaphyiotrichins from the Mutant Strain P 84 of Staphylotrichum coccosporum.

Energy-Minimized Structures and Calculated and Experimental Isomer distributions in the hexaamine-cobalt(III) system [Co(L)<sub>2</sub>]<sup>3+</sup> with the chiral facially-coordinating triamine (l = butane-1,2,4-triamine).

An Eclipsed C(sp<sup>3</sup>)-CH<sub>3</sub> Bond in a Crystalline Hydrated Tricyclic Orthoamide: Evidence for CH...︁O hydrogen bonds.

Solubilization of Peptides in Non-polar Organic Solvents by the Addition of Inorganic Salts: Facts and Implications.

Photochemical Synthesis of Cyclic 2-(2,2-Dimethylpropylidene)-1,3-dicarbonyl Compounds.

Synthèse du virensate de méthyle.

Bestimmung von Stabilitätskonstanten in Ethanol für Li<sup>+</sup>-selektive Ionophore mittels differentieller Dampfdruckosmometrie.