Works matching IS 0018019X AND DT 1989 AND VI 72 AND IP 8

Results: 24

Nucleotides. Part. XXXII. Synthesis of 2′-5′ Connected oligonucleotides. Prodrugs for antiviral and antitumoral nucleosides.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1739, doi. 10.1002/hlca.19890720811

By:

Herdewijn, Piet;
Charubala, Ramamurthy;
De Clercq, Erik;
Pfleiderer, Wolfgang

Publication type:

Article

Methyl-jasmonat: Ein kurzer Weg zum Naturstoff und seinem unnatürlichen Enantiomer via Palladium(0)-induzierte, enantiodivergente Alkylierung von Cyclopent-2-en-1,3-diol-Derivaten.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1852, doi. 10.1002/hlca.19890720822

By:

Montforts, Franz-Peter;
Gesing-Zibulak, Ingrid;
Grammenos, Wassilios;
Schneider, Manfred;
Laumen, Kurt

Publication type:

Article

Interconversion of (η3-Allyl)(η4-conjugated-diene)(η5-cyclopentadienyl)zirconium and -hafnium Stereoisomers. Evidence for the simultaneous rearrangement of diene and allyl ligands.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1676, doi. 10.1002/hlca.19890720804

By:

Sontag, Christoph;
Berke, Heinz;
Sarter, Christian;
Erker, Gerhard

Publication type:

Article

Synthesis, Reactivity, and Application as Chiral Auxiliaries of the novel (3 R)- and (3 S)-4,5-dihydro-3-hydroxy-4,4,5,5-tetramethyl-3-phenylfuran-2(3 H)-ones in the Paterno- Büchi reaction.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1792, doi. 10.1002/hlca.19890720815

By:

Oppenländer, Thomas;
Schönholzer, Peter

Publication type:

Article

Thermal Valence Rearrangements of Heterocycles. Part 2. A new synthetic approach towards the indole ring system.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1718, doi. 10.1002/hlca.19890720808

By:

Bennett, Grace A.;
Mullen, George B.;
Georgiev, Vassil St.

Publication type:

Article

Total synthesis of 2-(β- D-ribofuranosyl)thiazole-4-carboxamide (Tiazofurin) and of precursors of ribo- C-nucleosides.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1825, doi. 10.1002/hlca.19890720819

By:

Bimwala, R. Mampuya;
Vogel, Pierre

Publication type:

Article

Nucleotides. Part XXXI. Modified Oligomeric 2′-5′ A Analogues: Synthesis of 2′-5′ oligonucleotides with 9-(3′-azido-3′-deoxy-β- D-xylofuranosyl)adenine and 9-(3′-amino-3′-deoxy-β- D-xylofuranosyl)adenine as modified nucleosides

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1729, doi. 10.1002/hlca.19890720810

By:

Herdewijn, Piet;
Charubala, Ramamurthy;
Pfleiderer, Wolfgang

Publication type:

Article

The stereoselectivity of the alkylation of the dianion of ethyl 2-hydroxy-6-methylcyclohexanecarboxylates: Control of stereochemistry at three adjacent stereogenic centers.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1846, doi. 10.1002/hlca.19890720821

By:

Fráter, Georg;
Günther, Wulf;
Müller, Urs

Publication type:

Article

Synthesis and Structure of a New Type of Chiral Organoiron and Organoruthenium Complexes.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1658, doi. 10.1002/hlca.19890720803

By:

Adams, Christoph M.;
Hafner, Andreas;
Koller, Markus;
Marcuzzi, Alessandro;
Prewo, Roland;
Solana, Isabel;
Vincent, Beverly;
von Philipsborn, Wolfgang

Publication type:

Article

Allobetonicoside and 6- O-Acetylmioporoside: Two new iridoid glycosides from Betonica officinalis L.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1787, doi. 10.1002/hlca.19890720814

By:

Jeker, Marianne;
Sticher, Otto;
Çaliş, İhsan;
Rüedi, Peter

Publication type:

Article

On the Macrolactonization of β-Hydroxy Acids. Crystal structures of the pentolide and the hexolide from ( R)-3-hydroxybutanoic acid. Molecular modeling studies of the tetrolide.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1704, doi. 10.1002/hlca.19890720807

By:

Seebach, Dieter;
Brändli, Urs;
Müller, Hans-Martin;
Dobler, Max;
Egli, Martin;
Przybylski, Michael;
Schneider, Klaus

Publication type:

Article

Photochemistry of ethyl 2,3-dihydro-2,2-dimethyl-3-oxo-1 H-pyrrole-1-carboxylate.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1817, doi. 10.1002/hlca.19890720818

By:

Patjens, Jan;
Margaretha, Paul

Publication type:

Article

New Cell Growth-Inhibitory Cyclohexadienone Derivatives from Hypericum calycinum L.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1833, doi. 10.1002/hlca.19890720820

By:

Decosterd, Laurent A.;
Stoeckli-Evans, Helen;
Chapuis, Jean-Charles;
Sordat, Bernard;
Hostettmann, Kurt

Publication type:

Article

Synthesis of Naphtho[2,3- b]pyrandiones: (−)-Cryptosporin.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1649, doi. 10.1002/hlca.19890720802

By:

Brade, Walter;
Vasella, Andrea

Publication type:

Article

Synthese von (+)-Aspicilin mit Bausteinen aus nachwachsenden Rohstoffen.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1753, doi. 10.1002/hlca.19890720813

By:

Quinkert, Gerhard;
Fernholz, Erhard;
Eckes, Peter;
Neumann, Doris;
Dürner, Gerd

Publication type:

Article

Mitteilungen.

Published in:: Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1925, doi. 10.1002/hlca.19890720824
Publication type:: Article

Substituenteneffekte auf die NMR-Spektren von Pentafulvenen. (13C, 13C)-NMR-Kopplungskonstanten (1 J(C, C)).

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1697, doi. 10.1002/hlca.19890720806

By:

Bircher, Hansruedi;
Neuenschwander, Markus

Publication type:

Article

Tordanone, un stéroïde replié avec une jonction de cycle A/B β- cis (5β) et B/C α- cis(8α).

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1809, doi. 10.1002/hlca.19890720817

By:

Haag, Thierry;
Hetru, Charles;
Luu, Bang

Publication type:

Article

Masthead.

Published in:: Helvetica Chimica Acta, 1989, v. 72, n. 8, p. fmi, doi. 10.1002/hlca.19890720801
Publication type:: Article

A Short, Simple Synthesis of (±)-Monomorine.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1749, doi. 10.1002/hlca.19890720812

By:

Jefford, Charles W.;
Tang, Qian;
Zaslona, Alexander

Publication type:

Article

Synthese und NMR-spektroskopische Charakterisierung neuer Adenin- und 6-Thioxopurincarboxamidine.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1860, doi. 10.1002/hlca.19890720823

By:

Ried, Walter;
Woithe, Heinz

Publication type:

Article

Deaminocolchinyl Methyl Ether: Synthesis from 2,3,4,4′-Tetramethoxybiphenyl-2-carbaldehyde. Comparison of antitubulin effects of deaminocolchinyl methyl ether and dehydro analogs.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1690, doi. 10.1002/hlca.19890720805

By:

Boyé, Olivier;
Itoh, Yoshikuni;
Brossi, Arnold

Publication type:

Article

Variable-Temperature and Variable-Pressure Kinetic and Equilibrium studies of formation and dissociation of [V(H2O)5NCS]2+.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1801, doi. 10.1002/hlca.19890720816

By:

Sauvageat, Pierre-Yves;
Ducommun, Yves;
Merbach, André E.

Publication type:

Article

The Photochemical Synthesis and Denitrogenation of 8,9-diazadibenzo[ c, e]isobullvalene.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1722, doi. 10.1002/hlca.19890720809

By:

Burger, Ulrich;
Mentha, Yves G.;
Millasson, Patricia;
Lottaz, Pierre-André;
Mareda, Jiri

Publication type:

Article

Works matching IS 0018019X AND DT 1989 AND VI 72 AND IP 8

Nucleotides. Part. XXXII. Synthesis of 2′-5′ Connected oligonucleotides. Prodrugs for antiviral and antitumoral nucleosides.

Methyl-jasmonat: Ein kurzer Weg zum Naturstoff und seinem unnatürlichen Enantiomer via Palladium(0)-induzierte, enantiodivergente Alkylierung von Cyclopent-2-en-1,3-diol-Derivaten.

Interconversion of (η<sup>3</sup>-Allyl)(η<sup>4</sup>-conjugated-diene)(η<sup>5</sup>-cyclopentadienyl)zirconium and -hafnium Stereoisomers. Evidence for the simultaneous rearrangement of diene and allyl ligands.

Synthesis, Reactivity, and Application as Chiral Auxiliaries of the novel (3 R)- and (3 S)-4,5-dihydro-3-hydroxy-4,4,5,5-tetramethyl-3-phenylfuran-2(3 H)-ones in the Paterno- Büchi reaction.

Thermal Valence Rearrangements of Heterocycles. Part 2. A new synthetic approach towards the indole ring system.

Total synthesis of 2-(β- D-ribofuranosyl)thiazole-4-carboxamide (Tiazofurin) and of precursors of ribo- C-nucleosides.

Nucleotides. Part XXXI. Modified Oligomeric 2′-5′ A Analogues: Synthesis of 2′-5′ oligonucleotides with 9-(3′-azido-3′-deoxy-β- D-xylofuranosyl)adenine and 9-(3′-amino-3′-deoxy-β- D-xylofuranosyl)adenine as modified nucleosides

The stereoselectivity of the alkylation of the dianion of ethyl 2-hydroxy-6-methylcyclohexanecarboxylates: Control of stereochemistry at three adjacent stereogenic centers.

Synthesis and Structure of a New Type of Chiral Organoiron and Organoruthenium Complexes.

Allobetonicoside and 6- O-Acetylmioporoside: Two new iridoid glycosides from Betonica officinalis L.

On the Macrolactonization of β-Hydroxy Acids. Crystal structures of the pentolide and the hexolide from ( R)-3-hydroxybutanoic acid. Molecular modeling studies of the tetrolide.

Photochemistry of ethyl 2,3-dihydro-2,2-dimethyl-3-oxo-1 H-pyrrole-1-carboxylate.

New Cell Growth-Inhibitory Cyclohexadienone Derivatives from Hypericum calycinum L.

Synthesis of Naphtho[2,3- b]pyrandiones: (−)-Cryptosporin.

Synthese von (+)-Aspicilin mit Bausteinen aus nachwachsenden Rohstoffen.

Mitteilungen.

Substituenteneffekte auf die NMR-Spektren von Pentafulvenen. (<sup>13</sup>C, <sup>13</sup>C)-NMR-Kopplungskonstanten (<sup>1</sup> J(C, C)).

Tordanone, un stéroïde replié avec une jonction de cycle A/B β- cis (5β) et B/C α- cis(8α).

Masthead.

A Short, Simple Synthesis of (±)-Monomorine.

Synthese und NMR-spektroskopische Charakterisierung neuer Adenin- und 6-Thioxopurincarboxamidine.

Deaminocolchinyl Methyl Ether: Synthesis from 2,3,4,4′-Tetramethoxybiphenyl-2-carbaldehyde. Comparison of antitubulin effects of deaminocolchinyl methyl ether and dehydro analogs.

Variable-Temperature and Variable-Pressure Kinetic and Equilibrium studies of formation and dissociation of [V(H<sub>2</sub>O)<sub>5</sub>NCS]<sup>2+</sup>.

The Photochemical Synthesis and Denitrogenation of 8,9-diazadibenzo[ c, e]isobullvalene.