Works matching IS 0018019X AND DT 2005 AND VI 88 AND IP 2

Results: 22

Why Quantum-Thermochemical Calculations Must Be Used with Caution to Indicate a Promising Lead Antioxidant.

Published in:

Helvetica Chimica Acta, 2005, v. 88, n. 2, p. 370

By:

Peter Mulder;
Hans-Gert Korth;
Keith 4;U. Ingold

Publication type:

Article

The Behaviors of Metal Acetylides with Dinitrogen Tetroxide.

Published in:

Helvetica Chimica Acta, 2005, v. 88, n. 2, p. 354

By:

Christopher 4;J. Woltermann;
Harold Shechter

Publication type:

Article

Rotundifolides A and B, Two New Enol-Derived Butenolactones from the Bark of Litsea rotundifolia var. oblongifolia.

Published in:

Helvetica Chimica Acta, 2005, v. 88, n. 2, p. 349

By:

Ya Zhao;
Yue-Wei Guo;
Wen Zhang

Publication type:

Article

Novel Reactions for the Simple and Sensitive Spectrophotometric Determination of Traces of Selenium in Environmental Samples.

Published in:

Helvetica Chimica Acta, 2005, v. 88, n. 2, p. 343

By:

Kailasa 4;Suresh Kumar;
Kanchi Suvardhan;
Lingaladinne Krishnaiah;
Pattium Chiranjeevi

Publication type:

Article

Phenolic Compounds from Viburnum cylindricum.

Published in:

Helvetica Chimica Acta, 2005, v. 88, n. 2, p. 339

By:

Xiangdong Zhu;
Xujun Dong;
Yifeng Wang;
Peng Ju;
Shide Luo

Publication type:

Article

Hydrindanone Synthesis: An Incisterol Model.

Published in:

Helvetica Chimica Acta, 2005, v. 88, n. 2, p. 330

By:

Massimo Curini;
Francesco Epifano;
Maria 4;C. Marcotullio;
Ornelio Rosati;
Ming Guo;
Yousheng Guan;
Ernest Wenkert

Publication type:

Article

Three New Urea Derivatives from Pliocene-Fossil Pinus armandii.

Published in:

Helvetica Chimica Acta, 2005, v. 88, n. 2, p. 325

By:

You-Xing Zhao;
Cheng-Sen Li;
Xiao-Dong Luo;
Tie-Mei Yi;
Jun Zhou

Publication type:

Article

Properties of 2,2,2-Trifluoroethanol/Water Mixtures: Acidity, Basicity, and Dipolarity.

Published in:

Helvetica Chimica Acta, 2005, v. 88, n. 2, p. 312

By:

Paz Sevilla 4;Sierra;
Concepcin Civera 4;Tejuca;
Francisco Garca-Blanco;
Cristina Daz 4;Oliva;
Javier Cataln 4;Sierra;
Gerardo 4;Echevarra Gorostidi

Publication type:

Article

A New Ketone and a Known Anticancer Triterpenoid from the Leaves of Onosma limitaneum.

Published in:

Helvetica Chimica Acta, 2005, v. 88, n. 2, p. 309

By:

Viqar 4;Uddin Ahmad;
Farzana Kousar;
Afsar Khan;
Muhammad Zubair;
Shazia Iqbal;
Rasool 4;Bukhsh Tareen

Publication type:

Article

A New and Efficient Synthesis of Highly Functionalized (Triphenylphosphoranylidene)cyclopentadienes with Zwitterionic Resonance Structures.

Published in:

Helvetica Chimica Acta, 2005, v. 88, n. 2, p. 304

By:

Abdolali Alizadeh

Publication type:

Article

New Triterpenoid Glycosides from Centella asiatica.

Published in:

Helvetica Chimica Acta, 2005, v. 88, n. 2, p. 297

By:

Zhi-Yong Jiang;
Xue-Mei Zhang;
Jun Zhou;
Ji-Jun Chen

Publication type:

Article

Hypervalent Iodine in Synthesis. Part 4;86: Selective Copper-Catalyzed N-Monoarylation and N1,N3-Diarylation of Uracil and Its Derivatives with Diaryliodonium Salts.

Published in:

Helvetica Chimica Acta, 2005, v. 88, n. 2, p. 290

By:

Tao Zhou;
Ti-Cong Li;
Zhen-Chu Chen

Publication type:

Article

Dysideasterols AE, Five New Uncommon Polyhydroxylated Steroids from the South China Sea Sponge Dysidea sp.

Published in:

Helvetica Chimica Acta, 2005, v. 88, n. 2, p. 281

By:

Xiao-Chun Huang;
Yue-Wei Guo;
Ernesto Mollo;
Guido Cimino

Publication type:

Article

The Effect of Backbone-Heteroatom Substitution on the Folding of Peptides A Single Fluorine Substituent Prevents a -Heptapeptide from Folding into a 314-Helix (NMR Analysis).

Published in:

Helvetica Chimica Acta, 2005, v. 88, n. 2, p. 266

By:

Raveendra 4;I. Mathad;
Francois Gessier;
Dieter Seebach;
Bernhard Jaun

Publication type:

Article

Three Novel 24,30-Dinortriterpenoids, Paeonenoides AC, from Paeonia veitchii.

Published in:

Helvetica Chimica Acta, 2005, v. 88, n. 2, p. 259

By:

Shao-Hua Wu;
Shu-Ming Yang;
Da-Gang Wu;
You-Wei Cheng;
Qian Peng

Publication type:

Article

Two New E-Secoursane Glycosides: Bodiniosides A and B, Isolated from Elsholtzia bodinieri.

Published in:

Helvetica Chimica Acta, 2005, v. 88, n. 2, p. 252

By:

Rong-Tao Li;
Jin-Tong Li;
Jing-Kun Wang;
Quan-Bin Han;
Zhao-Yun Zhu;
Han-Dong Sun

Publication type:

Article

Epimerization of Lupinine to Epilupinine and vice versa. Reexamination of the Structures of Lupinal and Epilupinal.

Published in:

Helvetica Chimica Acta, 2005, v. 88, n. 2, p. 245

By:

Anna Sparatore;
Bruno Tasso;
Vito Boido;
Fabio Sparatore

Publication type:

Article

Three New Triterpenoids from Lycopodium japonicumThunb.

Published in:

Helvetica Chimica Acta, 2005, v. 88, n. 2, p. 240

By:

Jian Yan;
Xiang-Ming Zhang;
Zhong-Rong Li;
Lin Zhou;
Jian-Chao Chen;
Li-Rong Sun;
Ming-Hua Qiu

Publication type:

Article

Rhodium(II)-Catalyzed Inter- and Intramolecular Cyclopropanations with Diazo Compounds and Phenyliodonium Ylides: Synthesis and Chiral Analysis.

Published in:

Helvetica Chimica Acta, 2005, v. 88, n. 2, p. 216

By:

Ashraf Ghanem;
Fabienne Lacrampe;
Volker Schurig

Publication type:

Article

Novel Cs-Symmetric 1,4-Diphosphine Ligands in the Copolymerization of Propene and Carbon Monoxide: High Regio- and Stereocontrol in the Catalytic Performance.

Published in:

Helvetica Chimica Acta, 2005, v. 88, n. 2, p. 210

By:

Antonella Leone;
Giambattista Consiglio

Publication type:

Article

Conformational Analysis and CD Calculations of Methyl-Substituted 13-Tridecano-13-lactones.

Published in:

Helvetica Chimica Acta, 2005, v. 88, n. 2, p. 194

By:

Elena Voloshina;
Philip Kraft

Publication type:

Article

Thionation of N-(?-Halogenoalkyl)-Substituted Amides with Lawesson's Reagent: Facile Synthesis of 4,5-Dihydro-1,3-thiazoles and 5,6-Dihydro-4H-1,3-thiazines.

Published in:

Helvetica Chimica Acta, 2005, v. 88, n. 2, p. 187

By:

Yasuhiro Kodama;
Mayuko Ori;
Takehiko Nishio

Publication type:

Article