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
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
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
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
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
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
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
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
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

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.

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

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

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).

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.

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.

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

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.

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).