Works matching IS 0018019X AND DT 2001 AND VI 84 AND IP 4

Results: 22

Crystal Structure of a Cyclotetraicosaphenylene.
Published in:
Helvetica Chimica Acta, 2001, v. 84, n. 4, p. 778, doi. 10.1002/1522-2675(20010418)84:4<778::AID-HLCA778>3.0.CO;2-6
By:
- Müller, Peter;
- Usón, Isabel;
- Hensel, Volker;
- Schlüter, A. Dieter;
- Sheldrick, George M.
Publication type:
Article
Facile, Asymmetric Addition of Acetylene to Aldehydes: In Situ Generation of Reactive Zinc Acetylide.
Published in:
Helvetica Chimica Acta, 2001, v. 84, n. 4, p. 964, doi. 10.1002/1522-2675(20010418)84:4<964::AID-HLCA964>3.0.CO;2-I
By:
- Sasaki, Hiroshi;
- Boyall, Dean;
- Carreira, Erick M.
Publication type:
Article
Total Synthesis of (−)-Bauhinin.
Published in:
Helvetica Chimica Acta, 2001, v. 84, n. 4, p. 890, doi. 10.1002/1522-2675(20010418)84:4<890::AID-HLCA890>3.0.CO;2-Q
By:
- Josien-Lefebvre, Delphine;
- Desmares, Guillaume;
- Drian, Claude Le
Publication type:
Article
New Insights into the Degradation of Qinghaosu (Artemisinin) Mediated by Non-Heme-Iron Chelates, and Their Relevance to the Antimalarial Mechanism.
Published in:
Helvetica Chimica Acta, 2001, v. 84, n. 4, p. 928, doi. 10.1002/1522-2675(20010418)84:4<928::AID-HLCA928>3.0.CO;2-I
By:
- Wu, Yikang;
- Yue, Zheng-Yu;
- Liu, He-Hua
Publication type:
Article
Oligosaccharide Analogues of Polysaccharides, Part 21 , Towards New Cellulose I Mimics: Synthesis of Dialkynyl C-glucosides of peri-Substituted Anthraquinone.
Published in:
Helvetica Chimica Acta, 2001, v. 84, n. 4, p. 939, doi. 10.1002/1522-2675(20010418)84:4<939::AID-HLCA939>3.0.CO;2-A
By:
- Murty, Kadiyala V. S. N.;
- Vasella, Andrea
Publication type:
Article
Acetalization and Transacetalization Reactions Catalyzed by Ruthenium, Rhodium, and Iridium Complexes with {2-{{Bis[3-(trifluoromethyl)phenyl]phosphino}methyl}-2-methylpropane- 1,3-diyl}bis[bis[3-(trifluoromethyl)phenyl]phosphine] (MeC[CH2P( m-CF3C6H4)2]3)
Published in:
Helvetica Chimica Acta, 2001, v. 84, n. 4, p. 898, doi. 10.1002/1522-2675(20010418)84:4<898::AID-HLCA898>3.0.CO;2-V
By:
- Sülü, Mustafa;
- Venanzi, Luigi M.
Publication type:
Article
Geometry and Conformation of Thietanium Ions from Diffraction Data and Ab Initio Calculations.
Published in:
Helvetica Chimica Acta, 2001, v. 84, n. 4, p. 860, doi. 10.1002/1522-2675(20010418)84:4<860::AID-HLCA860>3.0.CO;2-1
By:
- Destro, Riccardo;
- Ortoleva, Emanuele;
- Modena, Giorgio;
- Pasquato, Lucia;
- Lucchini, Vittorio
Publication type:
Article
Stereoselectivity in the Oligomerization of Racemic Tryptophan N-Carboxyanhydride (NCA-Trp) as Determined by Isotope Labeling and Mass Spectrometry.
Published in:
Helvetica Chimica Acta, 2001, v. 84, n. 4, p. 842, doi. 10.1002/1522-2675(20010418)84:4<842::AID-HLCA842>3.0.CO;2-1
By:
- Blocher, Markus;
- Hitz, Thomas;
- Luisi, Pier Luigi
Publication type:
Article
Cyano-Bridged Aqua( N, N-Dimethylacetamide)(cyanoiron)lanthanides from Samarium, Gadolinium, or Holmium Nitrate and Potassium Hexacyanoferrate: Crystal Structures and Magnetochemistry.
Published in:
Helvetica Chimica Acta, 2001, v. 84, n. 4, p. 817, doi. 10.1002/1522-2675(20010418)84:4<817::AID-HLCA817>3.0.CO;2-U
By:
- Yan, Bing;
- Chen, Zhida
Publication type:
Article
Photoswitchable Tetraethynylethene-Dihydroazulene Chromophores.
Published in:
Helvetica Chimica Acta, 2001, v. 84, n. 4, p. 743, doi. 10.1002/1522-2675(20010418)84:4<743::AID-HLCA743>3.0.CO;2-1
By:
- Gobbi, Luca;
- Seiler, Paul;
- Diederich, François;
- Gramlich, Volker;
- Boudon, Corinne;
- Gisselbrecht, Jean-Paul;
- Gross, Maurice
Publication type:
Article
Hoogianal, a β-Irone Precursor from Iris hoogiana Dykes (Iridaceae).
Published in:
Helvetica Chimica Acta, 2001, v. 84, n. 4, p. 933, doi. 10.1002/1522-2675(20010418)84:4<933::AID-HLCA933>3.0.CO;2-Y
By:
- Marner, Franz-Josef;
- Hanisch, Bernadette
Publication type:
Article
N-Isobutylamides and Butyrolactone from the Fruits of Zanthoxylum integrifoliolum.
Published in:
Helvetica Chimica Acta, 2001, v. 84, n. 4, p. 830, doi. 10.1002/1522-2675(20010418)84:4<830::AID-HLCA830>3.0.CO;2-D
By:
- Tsai, Ian-Lih;
- Lin, Wei-Yu;
- Huang, Mei-Wen;
- Chen, Tzu-Li;
- Chen, Ih-Sheng
Publication type:
Article
A New Class of Heterobinuclear Complexes: Crystal Structure and Magnetism of Copper(II)-Nickel(II) Complexes Incorporating Two Different Macrocyclic Ligands.
Published in:
Helvetica Chimica Acta, 2001, v. 84, n. 4, p. 908, doi. 10.1002/1522-2675(20010418)84:4<908::AID-HLCA908>3.0.CO;2-Q
By:
- Gao, En-Qing;
- Tang, Jin-Kui;
- Liao, Dai-Zheng;
- Jiang, Zong-Hui;
- Yan, Shi-Ping;
- Wang, Geng-Lin
Publication type:
Article
Crystal Structure, Magnetic Exchange Interaction, and DFT Study of 2,2′-(1-Oxidopyridine-2,6-diyl)bis[4,5-dihydro-4,4,5,5-tetramethyl-3-oxido-1 H-imidazol-1-oxyl] Hydrate.
Published in:
Helvetica Chimica Acta, 2001, v. 84, n. 4, p. 834, doi. 10.1002/1522-2675(20010418)84:4<834::AID-HLCA834>3.0.CO;2-Y
By:
- Zhang, Lei;
- Liu, Zhi-Liang;
- Weng, Lin-Hong;
- Liao, Dai-Zheng;
- Jiang, Zong-Hui;
- Yan, Shi-Ping;
- Shen, Pan-Wen;
- Baumgarten, Martin
Publication type:
Article
Synthesis and Cytotoxic Activities of α-Methylidene- γ-butyrolactones Bearing a Quinolin-4(1 H)-one Moiety.
Published in:
Helvetica Chimica Acta, 2001, v. 84, n. 4, p. 874, doi. 10.1002/1522-2675(20010418)84:4<874::AID-HLCA874>3.0.CO;2-I
By:
- Hsu, Shu-Lin;
- Chen, Yeh-Long;
- Tzeng, Cherng-Chyi;
- Fang, Kuo-Chang;
- Sheu, Jia-Yuh
Publication type:
Article
Investigations on the Reactivity of Fascaplysin, Part II, General Stability Considerations and Products Formed with Nucleophiles.
Published in:
Helvetica Chimica Acta, 2001, v. 84, n. 4, p. 867, doi. 10.1002/1522-2675(20010418)84:4<867::AID-HLCA867>3.0.CO;2-A
By:
- Fretz, Heinz;
- Ucci-Stoll, Katharina;
- Hug, Paul;
- Schoepfer, Joseph;
- Lang, Marc
Publication type:
Article
ipso-Substitution Reaction in the Convergent Stepwise Synthesis of Calix[8]arene with Regioselectively Functionalized Upper Rim.
Published in:
Helvetica Chimica Acta, 2001, v. 84, n. 4, p. 849, doi. 10.1002/1522-2675(20010418)84:4<849::AID-HLCA849>3.0.CO;2-A
By:
- Tsue, Hirohito;
- Enyo, Kazutaka;
- Hirao, Ken-ichi
Publication type:
Article
Scope and Limitation of the Acid-Catalyzed Isomerization of Aib-Containing Thiopeptides.
Published in:
Helvetica Chimica Acta, 2001, v. 84, n. 4, p. 786, doi. 10.1002/1522-2675(20010418)84:4<786::AID-HLCA786>3.0.CO;2-A
By:
- Breitenmoser, Roland A.;
- Heimgartner, Heinz
Publication type:
Article
Synthetic Analogues of Naturally Occurring Spider Toxins: Synthesis of 2-(Hydroxyphenyl)propanamides of Spermidine and Spermine.
Published in:
Helvetica Chimica Acta, 2001, v. 84, n. 4, p. 797, doi. 10.1002/1522-2675(20010418)84:4<797::AID-HLCA797>3.0.CO;2-2
By:
- Popaj, Kasim;
- Guggisberg, Armin;
- Hesse, Manfred
Publication type:
Article
A Novel 2 H-Azirin-3-amine as a Dipeptide (Aib-Hyp) Synthon.
Published in:
Helvetica Chimica Acta, 2001, v. 84, n. 4, p. 972, doi. 10.1002/1522-2675(20010418)84:4<972::AID-HLCA972>3.0.CO;2-M
By:
- Breitenmoser, Roland A.;
- Hirt, Thomas R.;
- Luykx, Roeland T. N.;
- Heimgartner, Heinz
Publication type:
Article
Selective Formation of β- D-Glucosides of Hindered Alcohols.
Published in:
Helvetica Chimica Acta, 2001, v. 84, n. 4, p. 880, doi. 10.1002/1522-2675(20010418)84:4<880::AID-HLCA880>3.0.CO;2-U
By:
- Desmares, Guillaume;
- Lefebvre, Delphine;
- Renevret, Gilles;
- Drian, Claude Le
Publication type:
Article
Identification of (6 R)-5,6,7,8-Tetrahydro- D-monapterin (=(6 R)-2-Amino-5,6,7,8-tetrahydro-6-[(1 R,2 R)-1,2,3 -trihydroxypropyl]pteridin-4(3 H)-one) as the Native Pteridine in Tetrahymena pyriformis.
Published in:
Helvetica Chimica Acta, 2001, v. 84, n. 4, p. 918, doi. 10.1002/1522-2675(20010418)84:4<918::AID-HLCA918>3.0.CO;2-M
By:
- Sugimoto, Takashi;
- Ikemoto, Kazuhisa;
- Murata, Shizuaki;
- Tazawa, Masahiro;
- Nomura, Takahide;
- Hagino, Yasumichi;
- Ichinose, Hiroshi;
- Nagatsu, Toshiharu
Publication type:
Article