Works matching IS 0018019X AND DT 2001 AND VI 84 AND IP 1

Results: 22

Syntheses of the Macrocyclic Spermine Alkaloids (±)-Budmunchiamine A - C.

Published in:

Helvetica Chimica Acta, 2001, v. 84, n. 1, p. 180, doi. 10.1002/1522-2675(20010131)84:1<180::AID-HLCA180>3.0.CO;2-F

By:

Popaj, Kasim;
Hesse, Manfred

Publication type:

Article

Prelandrine, the Key-Step Intermediate in the Biosynthesis of the Macrocyclic Spermine Alkaloid Aphelandrine.

Published in:

Helvetica Chimica Acta, 2001, v. 84, n. 1, p. 172, doi. 10.1002/1522-2675(20010131)84:1<172::AID-HLCA172>3.0.CO;2-B

By:

Nezbedová, Lenka;
Hesse, Manfred;
Drandarov, Konstantin;
Werner, Christa

Publication type:

Article

Preparation of TADOOH, a Hydroperoxide from TADDOL, and Use in Highly Enantioface- and Enantiomer-Differentiating Oxidations.

Published in:

Helvetica Chimica Acta, 2001, v. 84, n. 1, p. 187, doi. 10.1002/1522-2675(20010131)84:1<187::AID-HLCA187>3.0.CO;2-O

By:

Aoki, Masao;
Seebach, Dieter

Publication type:

Article

Vicinal Tetraamines of Defined Geometry: Potential Scaffolds for Assembly.

Published in:

Helvetica Chimica Acta, 2001, v. 84, n. 1, p. 22, doi. 10.1002/1522-2675(20010131)84:1<22::AID-HLCA22>3.0.CO;2-6

By:

Pitsinos, Emmanuel N.;
Lehn, Jean-Marie;
De Cian, André

Publication type:

Article

Synthesis of Citronellal by RhI-Catalysed Asymmetric Isomerization of N, N-Diethyl-Substituted Geranyl- and Nerylamines or Geraniol and Nerol in the Presence of Chiral Diphosphino Ligands, under Homogeneous and Supported Conditions.

Published in:

Helvetica Chimica Acta, 2001, v. 84, n. 1, p. 230, doi. 10.1002/1522-2675(20010131)84:1<230::AID-HLCA230>3.0.CO;2-V

By:

Chapuis, Christian;
Barthe, Michel;
de Saint Laumer, Jean-Yves

Publication type:

Article

Raman Optical Activity of a Purely σ-Bonded Helical Chromophore: (−)-( M)- σ-[4]Helicene.

Published in:

Helvetica Chimica Acta, 2001, v. 84, n. 1, p. 1, doi. 10.1002/1522-2675(20010131)84:1<1::AID-HLCA1>3.0.CO;2-A

By:

Hug, Werner;
Zuber, Gérard;
de Meijere, Armin;
Khlebnikov, Alexander F.;
Hansen, Hans-Jürgen

Publication type:

Article

Stereoselective Reduction of `Capsanthol-3′-ones' (=3,6′-Dihydroxy- β, κ-caroten-3′-ones) by Complex Hydrides.

Published in:

Helvetica Chimica Acta, 2001, v. 84, n. 1, p. 263, doi. 10.1002/1522-2675(20010131)84:1<263::AID-HLCA263>3.0.CO;2-7

By:

Deli, József;
Ösz, Erzsébet;
Visy, Júlia;
Zsila, Ferenc;
Simonyi, Miklós;
Tóth, Gyula

Publication type:

Article

Density Functional Study of the Oxy- Cope Rearrangement.

Published in:

Helvetica Chimica Acta, 2001, v. 84, n. 1, p. 124, doi. 10.1002/1522-2675(20010131)84:1<124::AID-HLCA124>3.0.CO;2-N

By:

Baumann, Harold;
Chen, Peter

Publication type:

Article

Covalent-Bond Formation in the Course of the Inhibition of δ-Chymotrypsin with trans-Decalin-Type Organophosphates: 31P-NMR Evidence.

Published in:

Helvetica Chimica Acta, 2001, v. 84, n. 1, p. 106, doi. 10.1002/1522-2675(20010131)84:1<106::AID-HLCA106>3.0.CO;2-N

By:

Stöckli, Markus J.;
Rüedi, Peter

Publication type:

Article

Regioselective 1,3-Dipolar Cycloadditions of (1 Z)-1-(Arylmethylidene)-5,5-dimethyl-3-oxopyrazolidin-1-ium-2-ide Azomethine Imines to Acetylenic Dipolarophiles.

Published in:

Helvetica Chimica Acta, 2001, v. 84, n. 1, p. 146, doi. 10.1002/1522-2675(20010131)84:1<146::AID-HLCA146>3.0.CO;2-7

By:

Turk, Cvetka;
Svete, Jurij;
Stanovnik, Branko;
Golič, Ljubo;
Golič-Grdadolnik, Simona;
Golobič, Amalija;
Selič, Lovro

Publication type:

Article

Synthesis and Photochromic Behavior of Novel Annelated 2 H-Chromenes Derived from Hydroxy-9 H-xanthen-9-ones.

Published in:

Helvetica Chimica Acta, 2001, v. 84, n. 1, p. 117, doi. 10.1002/1522-2675(20010131)84:1<117::AID-HLCA117>3.0.CO;2-F

By:

Coelho, Paulo J.;
Carvalho, Luis M.;
Silva, José C.;
Oliveira-Campos, Ana M.F.;
Samat, André;
Guglielmetti, Robert

Publication type:

Article

A Lignoid Glycoside and Dimeric Phenylpropanoids from Daphne oleoides.

Published in:

Helvetica Chimica Acta, 2001, v. 84, n. 1, p. 157, doi. 10.1002/1522-2675(20010131)84:1<157::AID-HLCA157>3.0.CO;2-#

By:

Ullah, Nisar;
Sonja, Prinz;
Haslinger, Ernst;
Ahmed, Wagar;
Arfan, Mohammed;
Malik, Abdul

Publication type:

Article

Conformational Study of Heteropentapeptides Containing an α-Ethylated α, α-Disubstituted Amino Acid: ( S)-Butylethylglycine (=2-Amino-2-ethylhexanoic Acid) within a Sequence of Dimethylglycine (=2-Aminoisobutyric Acid) Residues.

Published in:

Helvetica Chimica Acta, 2001, v. 84, n. 1, p. 32, doi. 10.1002/1522-2675(20010131)84:1<32::AID-HLCA32>3.0.CO;2-4

By:

Tanaka, Masakazu;
Oba, Makoto;
Imawaka, Naoto;
Tanaka, Yoshitsugu;
Kurihara, Masaaki;
Suemune, Hiroshi

Publication type:

Article

New Antifungal `Quinone Methide' Diterpenes from Bobgunnia madagascariensis and Study of Their Interconversion by LC/NMR.

Published in:

Helvetica Chimica Acta, 2001, v. 84, n. 1, p. 222, doi. 10.1002/1522-2675(20010131)84:1<222::AID-HLCA222>3.0.CO;2-R

By:

Schaller, Frédéric;
Wolfender, Jean-Luc;
Hostettmann, Kurt;
Mavi, Steven

Publication type:

Article

Construction of Trinervitane and Kempane Skeletons Based on Biogenetical Routes.

Published in:

Helvetica Chimica Acta, 2001, v. 84, n. 1, p. 47, doi. 10.1002/1522-2675(20010131)84:1<47::AID-HLCA47>3.0.CO;2-9

By:

Kato, Tadahiro;
Hirukawa, Toshifumi;
Suzuki, Takaaki;
Tanaka, Masaharu;
Hoshikawa, Masahiro;
Yagi, Makoto;
Tanaka, Motoyuki;
Takagi, Shin-suke;
Saito, Naoko

Publication type:

Article

Synthesis of (5′ S)-5′- C-Alkyl-2′-deoxynucleosides.

Published in:

Helvetica Chimica Acta, 2001, v. 84, n. 1, p. 87, doi. 10.1002/1522-2675(20010131)84:1<87::AID-HLCA87>3.0.CO;2-1

By:

Trafelet, Huldreich;
Stulz, Eugen;
Leumann, Christian

Publication type:

Article

Efficient Asymmetric Synthesis of Pumiliotoxin C via Intramolecular [4+2] Cycloaddition.

Published in:

Helvetica Chimica Acta, 2001, v. 84, n. 1, p. 141, doi. 10.1002/1522-2675(20010131)84:1<141::AID-HLCA141>3.0.CO;2-R

By:

Oppolzer, Wolfgang;
Flaskamp, Elmar;
Bieber, Lothar W.

Publication type:

Article

Enzyme-Mediated Preparation of (+)- and (−)- β-Irone and (+)- and (−)- cis- γ-Irone from Irone alpha®.

Published in:

Helvetica Chimica Acta, 2001, v. 84, n. 1, p. 69, doi. 10.1002/1522-2675(20010131)84:1<69::AID-HLCA69>3.0.CO;2-U

By:

Brenna, Elisabetta;
Delmonte, Marco;
Fuganti, Claudio;
Serra, Stefano

Publication type:

Article

Tandem Hemiketal Formation-Intramolecular Friedel-Crafts Alkylation: A Facile Route to Hetero-Atom-Substituted Benzo-Fused Bicyclo[3.3.1]nonanes.

Published in:

Helvetica Chimica Acta, 2001, v. 84, n. 1, p. 163, doi. 10.1002/1522-2675(20010131)84:1<163::AID-HLCA163>3.0.CO;2-B

By:

Wu, Yikang;
Li, Yan;
Wu, Yu-Lin

Publication type:

Article

Albaconol, A Novel Prenylated Resorcinol (=Benzene-1,3-diol) from Basidiomycetes Albatrellus confluens.

Published in:

Helvetica Chimica Acta, 2001, v. 84, n. 1, p. 259, doi. 10.1002/1522-2675(20010131)84:1<259::AID-HLCA259>3.0.CO;2-O

By:

Zhi-Hui, Ding;
Ze-Jun, Dong;
Ji-Kai, Liu

Publication type:

Article

NMR Structure Determination of Saccharose and Raffinose by Means of Homo- and Heteronuclear Dipolar Couplings.

Published in:

Helvetica Chimica Acta, 2001, v. 84, n. 1, p. 243, doi. 10.1002/1522-2675(20010131)84:1<243::AID-HLCA243>3.0.CO;2-F

By:

Neubauer, Heike;
Meiler, Jens;
Peti, Wolfgang;
Griesinger, Christian

Publication type:

Article

Determination of the Amide-Plane Orientations in a Cyclo- β-Peptide by Magic-Angle-Spinning Deuterium-Correlation Spectroscopy, and Comparison with the Powder X-Ray Structure.

Published in:

Helvetica Chimica Acta, 2001, v. 84, n. 1, p. 208, doi. 10.1002/1522-2675(20010131)84:1<208::AID-HLCA208>3.0.CO;2-B

By:

Le, Hongbiao C.;
Hintermann, Tobias;
Wessels, Thomas;
Gan, Zhehong;
Seebach, Dieter;
Ernst, Richard R.

Publication type:

Article

Works matching IS 0018019X AND DT 2001 AND VI 84 AND IP 1

Syntheses of the Macrocyclic Spermine Alkaloids (±)-Budmunchiamine A - C.

Prelandrine, the Key-Step Intermediate in the Biosynthesis of the Macrocyclic Spermine Alkaloid Aphelandrine.

Preparation of TADOOH, a Hydroperoxide from TADDOL, and Use in Highly Enantioface- and Enantiomer-Differentiating Oxidations.

Vicinal Tetraamines of Defined Geometry: Potential Scaffolds for Assembly.

Synthesis of Citronellal by Rh<sup>I</sup>-Catalysed Asymmetric Isomerization of N, N-Diethyl-Substituted Geranyl- and Nerylamines or Geraniol and Nerol in the Presence of Chiral Diphosphino Ligands, under Homogeneous and Supported Conditions.

Raman Optical Activity of a Purely σ-Bonded Helical Chromophore: (−)-( M)- σ-[4]Helicene.

Stereoselective Reduction of `Capsanthol-3′-ones' (=3,6′-Dihydroxy- β, κ-caroten-3′-ones) by Complex Hydrides.

Density Functional Study of the Oxy- Cope Rearrangement.

Covalent-Bond Formation in the Course of the Inhibition of δ-Chymotrypsin with trans-Decalin-Type Organophosphates: <sup>31</sup>P-NMR Evidence.

Regioselective 1,3-Dipolar Cycloadditions of (1 Z)-1-(Arylmethylidene)-5,5-dimethyl-3-oxopyrazolidin-1-ium-2-ide Azomethine Imines to Acetylenic Dipolarophiles.

Synthesis and Photochromic Behavior of Novel Annelated 2 H-Chromenes Derived from Hydroxy-9 H-xanthen-9-ones.

A Lignoid Glycoside and Dimeric Phenylpropanoids from Daphne oleoides.

Conformational Study of Heteropentapeptides Containing an α-Ethylated α, α-Disubstituted Amino Acid: ( S)-Butylethylglycine (=2-Amino-2-ethylhexanoic Acid) within a Sequence of Dimethylglycine (=2-Aminoisobutyric Acid) Residues.

New Antifungal `Quinone Methide' Diterpenes from Bobgunnia madagascariensis and Study of Their Interconversion by LC/NMR.

Construction of Trinervitane and Kempane Skeletons Based on Biogenetical Routes.

Synthesis of (5′ S)-5′- C-Alkyl-2′-deoxynucleosides.

Efficient Asymmetric Synthesis of Pumiliotoxin C via Intramolecular [4+2] Cycloaddition.

Enzyme-Mediated Preparation of (+)- and (−)- β-Irone and (+)- and (−)- cis- γ-Irone from Irone alpha<sup>®</sup>.

Tandem Hemiketal Formation-Intramolecular Friedel-Crafts Alkylation: A Facile Route to Hetero-Atom-Substituted Benzo-Fused Bicyclo[3.3.1]nonanes.

Albaconol, A Novel Prenylated Resorcinol (=Benzene-1,3-diol) from Basidiomycetes Albatrellus confluens.

NMR Structure Determination of Saccharose and Raffinose by Means of Homo- and Heteronuclear Dipolar Couplings.

Determination of the Amide-Plane Orientations in a Cyclo- β-Peptide by Magic-Angle-Spinning Deuterium-Correlation Spectroscopy, and Comparison with the Powder X-Ray Structure.