bluuebunny/crossref_metadata_2025 huggingface dataset:
Effects of silane coupling agents on the vulcanization characteristics of natural rubber
Authors: Yan Hexiang , Sun Kang , Zhang Yong , Zhang Yinxi , Fan Yongzhong
Published: September 2004

The vulcanization characteristics of silica‐filled natural rubber (NR) were studied in the presence of silane coupling agents, 3‐octanoylthio‐1‐propyltriethoxysilane (NXT) and bis [(3‐triethoxysilylpropyl) tetra sulfide] (TESPT, or Si‐69). The scorch time, cure rate index, and the rate constant of NR were measured using an Oscillating Disk Rheometer in the temperature range of 140–170°C. The scorch time of NR decreases with increasing TESPT and NXT concentrations, and the scorch time of NR compound with NXT is longer than that with TESPT. The apparent activation energies of vulcanization for the compounds with NXT and TESPT both decrease with increasing silane concentration. The apparent activation energy of vulcanization of NR compound with NXT is lower than that with TESPT at various concentrations. © 2004 Wiley Periodicals, Inc. J Appl Polym Sci 94: 1511–1518, 2004
Preparation and determination of swelling behavior of poly(acrylamide‐co‐acrylic acid) hydrogels in water
Authors: Isık Belma , Kıs Mehmet
Published: September 2004

Hydrogels with varying crosslinking densities were prepared from the acrylamide/acrylic acid and acrylamide/acrylic/poly(ethylene glycol) systems by the redox copolymerization method. Average molecular weights between crosslinks, percent swelling, swelling equilibrium values, and diffusion/swelling characteristics (i.e., the structure of network constant, the type of diffusion the initial swelling rate, diffusion coefficients, and swelling rate constant) were evaluated for both hydrogel systems. The prepared hydrogels have shown mass swelling capabilities in the range of 663–755% (for AAm/AA hydrogels) and 635–800% (for AAm/AA/PEG 4000 hydrogels). Water diffusion into hydrogels was found to be non‐Fickian type diffusion. © 2004 Wiley Periodicals, Inc. J Appl Polym Sci 94: 1526–1531, 2004
Toward an understanding of the genetics of murine cardiac pacemaking and conduction system development
Authors: Myers Dina C. , Fishman Glenn I.
Published: September 2004

We distinguish the cardiac pacemaking and conduction system (CPCS) from neighboring working cardiomyocytes by its function to generate and deliver electrical impulses within the heart. Yet the CPCS is a series of integrated but distinct components. The components must act in a coordinated fashion, but they are also functionally, molecularly, and electrophysiologically unique. Understanding the differentiation and function of this elegant and complex system is an exciting challenge. Knowledge of genes and signaling pathways that direct CPCS development is at present minimal, but the use of transgenic mice represents an enormous opportunity for elucidating the unknown. Transgenic marker lines have enabled us to image and manipulate the CPCS in new ways. These tools are now being used to examine the CPCS in mutants where its formation and function is altered, generating new information and directions for study of the genetics of CPCS development. © 2004 Wiley‐Liss, Inc.
Dense genome‐wide linkage analysis of rheumatoid arthritis, including covariates
Authors: Osorio y Fortéa José , Bukulmez Hulya , Petit‐Teixeira Elisabeth , Michou Laétitia , Pierlot Céline , Cailleau‐Moindrault Séverine , Lemaire Isabelle , Lasbleiz Sandra , Alibert Olivier , Quillet Patrick , Bardin Thomas , Prum Bernard , Olson Jane M. , Cornélis François
Published: September 2004

Objective

Rheumatoid arthritis (RA) is a heterogeneous disease that exhibits a complex genetic component. Previous RA genome scans confirmed the involvement of the HLA region and generated data on suggestive signals at non‐HLA regions, albeit with few overlaps in findings between studies. The present study was undertaken to detect potential RA gene regions and to estimate the number of true RA gene regions, taking into account the heterogeneity of RA, through performance of a dense genome scan.

Methods

In a study of 88 French Caucasian families (105 RA sibpairs), 1,088 microsatellite markers were genotyped (3.3‐cM genome scan), and a multipoint model‐free linkage analysis was performed. The statistical assessment of the results relied on 10,000 computer simulations. A covariate‐based multipoint model‐free linkage analysis was performed on the locations of regions with suggestive evidence for linkage.

Results

Involvement of the HLA region was strongly confirmed (P = 6 × 10−5), and 19 non‐HLA regions showed suggestive evidence for linkage (P < 0.05); 9 of these overlapped with regions suggested in other published RA genome scans. A routine 12‐cM genome scan with the same families would have detected only 7 of the 19 regions, including only 4 of the 9 overlapping regions. From the 10,000 computer simulations, we estimated that 8 ± 4 regions (mean ± SD) were true‐positives. RA covariate–based analysis provided additional linkage evidence for 3 regions, with age at disease onset, erosions, and HLA–DRB1 shared epitope as covariates.

Conclusion

The results of this study provide evidence of 19 non‐HLA RA gene regions, with an estimate of 8 ± 4 as true‐positives, and provide additional evidence for 3 regions from covariate‐based analysis.
Selective gray matter damage in neuropsychiatric lupus
Authors: Steens S. C. A. , Admiraal‐Behloul F. , Bosma G. P. Th. , Steup‐Beekman G. M. , Olofsen H. , le Cessie S. , Huizinga T. W. J. , van Buchem M. A.
Published: September 2004

Objective

Damage of brain parenchyma in patients with primary diffuse neuropsychiatric systemic lupus erythematosus (NPSLE) has been indicated by magnetization transfer imaging (MTI). However, the location of MTI abnormalities is unknown. This study was undertaken to assess the distribution of MTI abnormalities over gray matter (GM) and white matter (WM) in SLE patients with a history of NP symptoms without explanatory magnetic resonance imaging (MRI) evidence of focal disease.

Methods

MTI was performed in 24 female SLE patients with a history of diffuse NP symptoms and 24 healthy female controls. Magnetization transfer ratio (MTR) maps were calculated for GM and WM separately, and GM and WM MTR histograms were generated. Univariate and multivariate analyses with age as an additional covariate were performed on the histogram parameters peak location (PL), peak height (PH), and mean MTR.

Results

Compared with controls, significantly reduced PH (mean ± SD 136 ± 22 arbitrary units versus 151 ± 13 arbitrary units) and mean MTR (33.3 ± 1.0 percent units versus 33.6 ± 0.5 percent units) were found in the GM of NPSLE patients (P = 0.002 and P = 0.033, respectively, in multivariate analyses). No significant differences were observed for WM MTR parameters.

Conclusion

This is the first study to demonstrate, using MTI, that in SLE patients with a history of NP symptoms and without explanatory focal abnormalities on MRI, the GM is particularly affected. These findings support the hypothesis that neuronal injury may underlie central nervous system manifestations in NPSLE.
Studies on atmospheric turbidity over a tropical urban environment
Authors: Madhavi Latha K. , Badrinath K. V. S.
Published: September 2004

The particulate pollution in the atmosphere can be assessed using various methods like measuring aerosol mass concentration, aerosol optical depth, number density of airborne particles, etc. In the present study, measurements on aerosol optical depth using sunphotometer, aerosol mass concentration in different size ranges using QCM particle analyzer and black carbon aerosol using Aethalometer have been carried out during January to May, 2003, to characterize the atmospheric turbidity over Hyderabad. Spectral variation of aerosol optical depth suggests dominance of accumulation mode particles over the study area. Frequency analysis of turbidity coefficient suggests that polluted atmosphere is prevailing over the study area. Measured values of turbidity parameters in the present study have been compared with that in other major cities of the world and the results are discussed in the article. Copyright © 2004 Royal Meteorological Society
Sigmund Freud und die Lauterkeit
Authors: Gundlach Horst
Published: September 2004

In his carrier as physician, Sigmund Freud claimed various and surprising successes in healing patients. An evaluation of those cases in which evidence independent of Freud's publications has been discovered reveals a lifelong pattern of Freud claiming successes, patients, however, not being cured, and Freud being aware of this. The elements of this pattern are matched with the components of the legal definition of fraud.
The design of a potent inhibitor of the hepatitis C virus NS3 protease: BILN 2061—From the NMR tube to the clinic
Authors: Tsantrizos Youla S.
Published: September 2004

The virally encoded serine protease NS3/NS4A is essential to the life cycle of the hepatitis C virus (HCV), an important human pathogen causing chronic hepatitis, cirrhosis of the liver, and hepatocellular carcinoma. Until very recently, the design of inhibitors for the HCV NS3 protease was limited to large peptidomimetic compounds with poor pharmacokinetic properties, making drug discovery an extremely challenging endeavor. In our quest for the discovery of a small‐molecule lead that could block replication of the hepatitis C virus by binding to the HCV NS3 protease, the critical protein–polypeptide interactions between the virally encoded NS3 serine protease and its polyprotein substrate were investigated. Lead optimization of a substrate‐based hexapeptide, guided by structural data, led to the understanding of the molecular dynamics and electronic effects that modulate the affinity of peptidomimetic ligands for the active site of this enzyme. Macrocyclic β‐strand scaffolds were designed that allowed the discovery of potent, highly selective, and orally bioavailable compounds. These molecules were the first HCV NS3 protease inhibitors reported that inhibit replication of HCV subgenomic RNA in a cell‐based replicon assay at low nanomolar concentrations. Optimization of their biopharmaceutical properties led to the discovery of the clinical candidate BILN 2061. Oral administration of BILN 2061 to patients infected with the hepatitis C genotype 1 virus resulted in an impressive reduction of viral RNA levels, establishing proof‐of‐concept for HCV NS3 protease inhibitors as therapeutic agents in humans. © 2004 Wiley Periodicals, Inc. Biopolymers (Pept Sci), 2004
Mono‐, bi‐, or tridentate ligands? The labeling of peptides with 99mTc‐carbonyls
Authors: Alberto Roger , Kyong Pak Jae , van Staveren Dave , Mundwiler Stefan , Benny Paul
Published: September 2004

The labeling of targeting peptides with 99mTc is a useful concept for the diagnosis of various diseases such as cancer. Although in research for at least one decade, only a very few radiopharmaceuticals based on peptides are in clinical use. The difficulty of labeling, and the resulting authenticity of the new vector, is largely responsible for this observation. In this overview, we present an alternate strategy based on the organometallic fac‐[99mTc(CO)3]+ core for introducing 99mTc in biomolecules in general and in peptides in particular. The three coordination sites available in [99mTc(OH2)3(CO)3]+ can be occupied with many different ligand types, pendant to a biomolecule and serving as the anchor group for labeling. This makes the appropriate choice difficult. We intend to present some useful concepts for the practice. Monodentate chelators are robust but bear the risk of multiple binding of biomolecules. Coordinating a bidentate ligand of choice prior to labeling bypasses this problem and enables a systematic drug discovery by variation of the bidentate ligand. Bidentate ligands attached to the biomolecule are stronger but occasionally require protection of the remaining site by a monodentate ligand. Both approaches refer to a mixed‐ligand [2+1] approach. Tridentate chelators are the most efficient but need some protecting group chemistry in order to achieve selectivity for the coupling process. Examples with cysteine and histidine are presented. This article aims to provide versatile and reproducible approaches for the labeling of biomolecules while not focusing on particular systems. It should be left to the readers to derive a strategy for their own peptide. © 2004 Wiley Periodicals, Inc. Biopolymers (Pept Sci), 2004
Das Biohistoricum in Neuburg an der Donau
Authors: Geus Armin
Published: September 2004

Die kritische Besinnung auf Vorgedachtes und Vorgemachtes gehört zum Wesen jeder wissenschaftlichen Arbeit. Doch im steten Wechsel der Interessen gehen häufig wertvolle Unterlagen für immer verloren. Das Biohistoricum in Neuburg an der Donau möchte als außeruniversitäres, nichtstaatliches Museum und Forschungsarchiv für die Geschichte der Biologie den nachfolgenden Generationen einen Rückgriff auf schriftliche und sachliche Quellen biologischen Denkens ermöglichen.
Perfekte Bewerbungsunterlagen
Authors: Debus‐Spangenberg Isolde
Published: September 2004

Das Kernstück aller Bewerbungsaktivitäten sind die Bewerbungsunterlagen. Bei der Gestaltung dieser Unterlagen sollten Sie immer im Hinterkopf haben: Der Leser will erkennen, ob Sie qualifiziert, motiviert und sympathisch sind. Die Medienwissenschaftlerin und Karriereberaterin Isolde Debus‐Spangenberg gibt Tipps, wie man sich mit optimalen Unterlagen perfekt präsentiert.
NMR Structural Model of the Interaction of Herbicides with the Photosynthetic Reaction Center from Rhodobacter sphaeroides
Authors: D'Amelio Nicola , Gaggelli Elena , Mlynarz Piotr , Molteni Elena , Valensin Gianni , Lubitz Wolfgang
Published: September 2004

The interaction of the herbicides acifluorfen and paraquat with the photosynthetic reaction center from Rhodobacter sphaeroides has been studied by NMR relaxation measurements. Interaction in aqueous solution has been demonstrated by evaluating motional features of the bound form through cross‐relaxation terms of protons at fixed distances on the herbicides. Contributions to longitudinal nonselective relaxation rates different from the proton–proton dipolar relaxation were inferred, most probably due to paramagnetic effects originating from the high‐spin nonheme FeII ion in the reaction center. Paramagnetic contributions to proton relaxation rates were converted into distance constraints in order to build a model for the interaction. The models place paraquat in the QB site, where most herbicides interact, in agreement with docking calculations, whereas acifluorfen was placed between the metal and the QB site, as also demonstrated by the induced paramagnetic shifts. Acifluorfen could therefore act to break the electron‐transfer pathway between the QA and QB sites.
Binding Mode of TMC‐95A Analogues to Eukaryotic 20S Proteasome
Authors: Kaiser Markus , Groll Michael , Siciliano Carlo , Assfalg‐Machleidt Irmgard , Weyher Elisabeth , Kohno Jun , Milbradt Alexander G. , Renner Christian , Huber Robert , Moroder Luis
Published: September 2004

The complex thermodynamics that govern noncovalent protein–ligand interactions are still not fully understood, despite the exponential increase in experimental structural data available from X‐ray crystallography and NMR spectroscopy. The eukaryotic 20S proteasome offers an ideal system for such studies as it contains in duplicate three proteolytically active sites with different substrate specificities. The natural product TMC‐95A inhibits these proteolytic centers noncovalently with distinct affinities. X‐ray crystallographic analysis of the complexes of the yeast proteasome core particle with this natural inhibitor and two synthetic analogues clearly revealed highly homologous hydrogen‐bonding networks involving mainly the peptide backbone despite the strongly differentiated binding affinities to the three active sites of the 20S proteasome. The natural product and the two analogues are constrained in a rigid β‐type extended conformation by the endocyclic biaryl clamp, which preorganizes the peptide backbone for optimal adaptation of the ligands to the active site clefts and thus favors the binding processes entropically. However, the biaryl clamp also dictates the orientation of the P1 and P3 residues and their mode of interaction with the protein binding subsites. This limitation is optimally solved in TMC‐95A with the conformationally restricted (Z)‐prop‐1‐enyl group acting as P1 residue, at least for the chymotrypsin‐like active site; however, it critically affects the inhibitory potencies of the analogues, thus suggesting the use of less‐rigid endocyclic clamps in the design of proteasome inhibitors that allow for a better presentation of residues interacting with the active site clefts of the enzyme.
Nanoparticles: Scaffolds for Molecular Recognition
Authors: Drechsler Ulf , Erdogan Belma , Rotello Vincent M.
Published: September 2004

Monolayer and mixed‐monolayer protected clusters (MPCs and MMPCs) have great potential to combine molecular functionality with the intrinsic properties of nanometer‐sized scaffolds. This synergy can be used to create complex functional devices, including redox‐active, electronic, or magnetic storage devices, solution‐based sensors, and highly efficient catalysts. This review outlines some of the recent developments in nanoscale receptors based on synthetic and nonbiological recognition elements. In these nanoparticle systems, molecular recognition is achieved by covalent attachment of receptors on the nanoparticles coupled with noncovalent interactions to target substrates. Synthetic host–guest systems, hydrogen bonding, change in redox states, π–π stacking, rotaxane formation, and ion recognition are the main topics covered in this review.
Helical Structures of Conjugate Polymers Created by Oxidative Polymerization Using Synthetic Lipid Assemblies as Templates
Authors: Hatano Tsukasa , Bae Ah‐Hyun , Takeuchi Masayuki , Fujita Norifumi , Kaneko Kenji , Ihara Hirotaka , Takafuji Makoto , Shinkai Seiji
Published: September 2004

The morphology of conjugate polymers (such as poly(ethylenedioxythiophene), poly(pyrrole), and poly(aniline)) can be controlled in their polymerization processes, by applying the concept of the templating method to oxidative polymerization. As oxidative polymerization of these monomers produces cationic intermediates, the anionic assemblies can act as potential templates due to the mutual electrostatic attractive force. Oxidative polymerization of ethylenedioxythiophene (EDOT), pyrrole, and aniline was carried out using helical superstructures of synthetic lipid assemblies as templates. Interestingly, we have found that oxidative polymerization of these monomers results in novel polymeric aggregates, such as a helical‐tape structure and an intertwined helical structure, and that both the right‐handed and left‐handed helical structures can be created by a change in the hydrophilic head groups. This is the first example of helical superstructures composed of conjugate polymers that have been designed utilizing a convenient templating method.
Towards a Total Synthesis of the New Anticancer Agent Mensacarcin: Synthesis of the Carbocyclic Core
Authors: Tietze Lutz F. , Stewart Scott G. , Polomska Marta E. , Modi Andrea , Zeeck Axel
Published: September 2004

A synthesis of the carbocyclic core associated with the new anticancer agent mensacarcin (1) is reported. The strategy involves the synthesis of several novel highly substituted aromatic compounds, such as 12 and 23. The lithium derivative of 12 readily engages in a nucleophilic addition to benzaldehyde 4 to provide the diphenylcarbinol rac‐15. The analogous benzyl ether rac‐16 undergoes an intramolecular Heck reaction to provide the required tetrahydroanthracene rac‐17, which can be transformed into the key tricyclic methyl ether rac‐20. In a second approach, the lithium derivative of 21 is added to the hexasubstituted benzaldehyde 23 to give the diphenylcarbinol rac‐35. Subsequent methylation to rac‐36 followed by an intramolecular Heck reaction provides tricycle rac‐37. Similarly, the oxidised compound 40 provides an electronically more suitable intramolecular Heck partner to afford compound 41. Further transformations of these substrates leads to rac‐43, which incorporates the core structure of mensacarcin (1).
Pt2(HSO4)2(SO4)2, the First Binary Sulfate of Platinum.
Authors: Pley Martin , Wickleder Mathias S.
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
Coordination Behavior of Oxide Ions in Inorganic Solids. Part 4. Synthesis, Crystal Structures, and Spectroscopic Characterization of NiP4O11 and CaNiP2O7.
Authors: Funke M. , Blum M. , Glaum R. , El Bali B.
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
Preparation and Crystal Structures of the Hydrous Mercury Tellurates, HgII(H4TeVIO6) and Hg2I(H4TeVIO6) (H6TeVIO6)×2H2O.
Authors: Weil Matthias
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
Tetranitratogold(III) Acid, (H5O2) [Au(NO3)4]×H2O: Synthesis, Crystal Structure, and Thermal Behavior of the First Acidic Nitrate of Gold.
Authors: Buechner Oliver , Wickleder Mathias S.
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
Watching the Growth of Bulk Grains During Recrystallization of Deformed Metals.
Authors: Schmidt S. , Nielsen S. F. , Gundlach C. , Margulies L. , Huang X. , Jensen D. Juul
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
Iron Silicides and Their Corresponding Oxides: A High‐Pressure Study of Fe5Si3.
Authors: Santamaria‐Perez D. , Nuss J. , Haines J. , Jansen M. , Vegas A.
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
Structure, Nonstoichiometry and Magnetic Properties of the Perovskites Sr1‐xCaxMnO3‐δ.
Authors: Toepfer Joerg , Pippardt Ute , Voigt Ingolf , Kiegel Ralf
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
V2Al5Ge5: First Ternary Intermetallic in the V—Al—Ge System Accessible in Liquid Aluminum.
Authors: Wu Xiuni , Bilc Daniel , Mahanti Subhendra D. , Kanatzidis Mercouri G.
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
A Novel Ruthenium(III) and Lithium Complex: Synthesis, Crystal Structure, and Magnetic Properties.
Authors: Bai Li‐Xia , Liu Xin , Wang Wen‐Zhen , Liao Dai‐Zheng , Wang Qing‐Lun
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
Ring‐Fluorinated Naphthalene and Indene Synthesis via 6‐ and 5‐endo‐trig Cyclizations of gem‐Difluoroalkenes by Carbon Nucleophiles.
Authors: Ichikawa Junji , Miyazaki Hiroyuki , Sakoda Kotaro , Wada Yukinori
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
Ruthenium‐Catalyzed Cyclization of Epoxide with a Tethered Alkyne: Formation of Ketene Intermediates via Oxygen Transfer from Epoxides to Terminal Alkynes.
Authors: Madhushaw Reniguntala J. , Lin Ming‐Yuan , Sohel Shariar Md. Abu , Liu Rai‐Shung
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
Aerobic Ru‐Catalyzed Epoxidations in Fluorous Biphasic System Using New Fluorous Benzimidazolic Ligands.
Authors: Ragagnin Gianna , Knochel Paul
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
Utilization of Nonionic Bases in Water as a Highly Efficient Organocatalytic System for Michael Addition of β‐Ketoesters.
Authors: Bensa David , Rodriguez Jean
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
A Facile One‐Pot Synthesis of α‐Iodo‐α,β‐unsaturated Esters.
Authors: Zhang Xingguo , Zhong Ping , Chen Fan
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
Photochemistry of Fluorophenyl Azides in Aniline. Asymmetric Fluoroazobenzenes by N—H Singlet Nitrene Insertion.
Authors: Leyva Elisa , Sagredo Ruben , Moctezuma Edgar
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
Selective Iron‐Catalyzed Cross‐Coupling Reactions of Grignard Reagents with Enol Triflates, Acid Chlorides, and Dichloroarenes.
Authors: Scheiper Bodo , Bonnekessel Melanie , Krause Helga , Fuerstner Alois
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
An Efficient Sequence for the Preparation of Small Secondary Amine Hydrochloride Salts for Focused Library Generation Without Need for Distillation or Chromatographic Purification.
Authors: Dubowchik Gene M. , Michne Jodi A. , Zuev Dmitry
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
Orally Bioavailable Small Molecule Ketoamide‐Based Inhibitors of Cathepsin K
Authors: Barrett David G. , Catalano John G. , Deaton David N. , Long Stacey T. , Miller Larry R. , Tavares Francis X. , Wells‐Knecht Kevin J. , Wright Lois L. , Zhou Hui‐Qiang Q.
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
Stereoselective Synthesis of (Z)‐β‐Fluoro‐α,β‐unsaturated Esters from (Z)‐2‐Fluoro‐1‐alkenyliodonium Salts.
Authors: Yoshida Masanori , Komata Ayumu , Hara Shoji
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
Entrapment of Cyclopentadiene in Zeolite NaY and Its Application for Solvent‐Free Diels—Alder Reactions in the Nanosized Confined Environment.
Authors: Imachi Shouhei , Onaka Makoto
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
A Simple Radical Addition—Elimination Route to Geometrically Pure (E)‐Alkene and Chromanone Derivatives via β‐Nitrostyrene.
Authors: Jang Yeong‐Jiunn , Yan Ming‐Chung , Lin Yung‐Feng , Yao Ching‐Fa
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
A Polymer Onium Acting as Phase‐Transfer Catalyst in Halogen‐Exchange Fluorination Promoted by Microwave.
Authors: Luo Jun , Lue Chunxu , Cai Chun , Que Wenchao
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
Synthesis of SF5‐Benzene (SF5C6H5) by the SF5‐Halide Method.
Authors: Winter Rolf W. , Gard Gary L.
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
Radical and Palladium‐Catalyzed Cyclizations to Cyclobutenes: An Entry to the BCD Ring System of Penitrem D.
Authors: Rivkin Alexey , Gonzalez‐Lopez de Turiso Felix , Nagashima Tadamichi , Curran Dennis P.
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
Highly Regioselective Ring‐Opening/Cross‐Metathesis Reactions of 2‐Sulfonylnorbornene Derivatives.
Authors: Weeresakare G. Mahika , Liu Zhuqing , Rainier Jon D.
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
A New Synthesis of Indole 5‐Carboxylic Acids and 6‐Hydroxy‐indole‐5‐carboxylic Acids in the Preparation of an o‐Hydroxylated Metabolite of Vilazodone.
Authors: Heinrich Timo , Boettcher Henning
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
A Clay‐Mediated, Regioselective Synthesis of 2‐(Aryl/alkyl)aminothiazolo[4,5‐c]carbazoles.
Authors: Chakrabarty Manas , Ghosh Nandita , Harigaya Yoshihiro
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
Bridgehead‐Methyl Analogue of SC‐53116 as a 5‐HT4 Agonist.
Authors: Becker Daniel P. , Flynn Daniel L. , Villamil Clara I.
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
Propargylic Sulfones Possessing a 2‐Nitroimidazole Function: Novel Hypoxic‐Cell Radiosensitizers with Intracellular Non‐Protein Thiol Depletion Ability.
Authors: Tanabe Kazuhito , Kojima Ryusuke , Hatta Hiroshi , Nishimoto Sei‐ichi
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
Reactions of Some ortho and para Halogenated Aromatic Nitriles with Ethylenediamine: Selective Synthesis of Imidazolines.
Authors: Crane Louis J. , Anastassiadou Maria , Stigliani Jean‐Luc , Baziard‐Mouysset Genevieve , Payard Marc
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
N‐Chlorosulfonyloxazolidin‐2‐ones: Synthesis, Structure, and Reactivity Toward Aminoesters.
Authors: Berredjem Malika , Winum Jean‐Yves , Toupet Loic , Masmoudi Ouafae , Aouf Nour‐Eddine , Montero Jean‐Louis
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
Synthesis of 4‐Oxo‐3a,4,5,6‐tetrahydroimidazo[1,5‐b]isoxazole‐3‐carboxylic Acid Esters.
Authors: Coskun Necdet , Yilmaz Bilal
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
Synthesis of Chloro and Bromo Substituted 5‐(Indan‐1′‐yl)tetrazoles and 5‐(Indan‐1′‐yl)methyltetrazoles as Possible Analgesic Agents.
Authors: Bachar S. C. , Lahiri S. C.
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
Efficient Syntheses of Heterocycles and Carbocycles by Electrophilic Cyclization of Acetylenic Aldehydes and Ketones.
Authors: Yue Dawei , Ca Nicola Della , Larock Richard C.
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
Practical Synthesis of 3‐Bromo‐5,6‐dihydropyridin‐2‐ones via β,γ‐Unsaturated α‐Bromo‐ketene/imine Cycloaddition.
Authors: Cardillo Giuliana , Fabbroni Serena , Gentilucci Luca , Perciaccante Rossana , Piccinelli Fabio , Tolomelli Alessandra
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
Reverse Hydroxamate‐Based Selective TACE Inhibitors.
Authors: Kamei Noriyuki , Tanaka Tomohiro , Kawai Kentaro , Miyawaki Kyosei , Okuyama Akihiko , Murakami Yoshiko , Arakawa Yoshio , Haino Makoto , Harada Tatsuhiro , Shimano Masanao
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
Enantioselective Synthesis of Indolizidine and Quinolizidine Derivatives from Chiral Non‐racemic Bicyclic Lactams.
Authors: Agami Claude , Dechoux Luc , Hebbe Severine , Menard Cecilia
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
[1]Benzofuro[3,2‐b]pyridin‐4‐yl‐amines — Synthesis and Investigation of Activity Against Malaria.
Authors: Goerlitzer K. , Meyer H. Meyer H. , Jomaa H. , Wiesner J.
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
Synthesis and Biological Evaluation of Novel β‐Carboline Derivatives as Tat—TAR Interaction Inhibitors.
Authors: Yu Xiaolin , Lin Wei , Li Jingyun , Yang Ming
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
An Efficient and Environmentally Friendly Method for Synthesis of 3,4‐Dihydropyrimidin‐2(1H)‐ones Catalyzed by Bi(NO3)3×5H2O.
Authors: Khodaei Mohammad Mehdi , Khosropour Ahmad Reza , Beygzadeh Mojtaba
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
Phosphotungstic Acid Catalyzed One‐Pot Synthesis of 5‐Alkoxycarbonyl‐4‐aryl‐3,4‐dihydropyrimidin‐2‐ones.
Authors: Jin Tong‐Shou , Xiao Jin‐Chong , Chen Yan‐Xue , Li Tong‐Shuang
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
Discovery of a Potent and Selective αvβ3 Integrin Antagonist with Strong Inhibitory Activity Against Neointima Formation in Rat Balloon Injury Model.
Authors: Iwama Seiji , Kitano Tomoko , Fukuya Fumiyo , Honda Yayoi , Sato Yuji , Notake Mitsue , Morie Toshiya
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
Palladium‐Catalyzed Tandem Allylation of 1,2‐Phenylenediamines with cis‐1,4‐Diacetoxy‐2‐butene.
Authors: Yang Shyh‐Chyun , Liu Pei‐Chin , Feng Wei‐Hao
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
The Effect of C2‐Fluoro Group on the Biological Activity of DC‐81 and Its Dimers.
Authors: Kamal Ahmed , Reddy P. S. M. M. , Reddy D. Rajasekhar
Published: September 2004

For Abstract see ChemInform Abstract in Full Text.
First Total Synthesis of an Analogue of Montbretyl 12‐Methyl Ether.
Authors: Zhang Cheng‐Lu , Qiu Ye‐Hong , Pan Xin‐Fu
Published: September 2004

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A New Method for the Stereoselective Synthesis of α‐ and β‐Glycosylamines Using the Burgess Reagent.
Authors: Nicolaou K. C. , Snyder Scott A. , Nalbandian Annie Z. , Longbottom Deborah A.
Published: September 2004

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Synthesis of Novel 1‐N‐Iminosugars from Chiral Nonracemic Bicyclic Lactams.
Authors: Xie Juan , Gueveli Tatyana , Hebbe Severine , Dechoux Luc
Published: September 2004

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Design and Synthesis of Bridged γ‐Lactams as Analogues of β‐Lactam Antibiotics.
Authors: Aszodi Jozsef , Rowlands David A. , Mauvais Pascale , Collette Pascal , Bonnefoy Alain , Lampilas Maxime
Published: September 2004

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A Hetero Diels—Alder Approach to the Synthesis of the First Angucyclinone and Angucycline 5‐Aza‐analogues.
Authors: Collet Sylvain C. , Remi Jean‐Francois , Cariou Claire , Laib Samia , Guingant Andre Y. , Nguyen Quang Vu Nguyen Quang Vu , Dujardin Gilles
Published: September 2004

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Ag—Fe—S (Silver—Iron—Sulfur)
Authors: Raghavan V.
Published: September 2004

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Copper
Authors: Mukherjee R.
Published: September 2004

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Manganese
Authors: Weatherburn D. C. , Mandal S. , Mukhopadhyay S. , Bhaduri S. , Lindoy L. F.
Published: September 2004

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Catalytic Markovnikov and anti‐Markovnikov Functionalization of Alkenes and Alkynes: Recent Developments and Trends
Authors: Beller Matthias , Seayad Jayasree , Tillack Annegret , Jiao Haijun
Published: September 2004

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Production of Precursor Compounds for High‐Purity Silicon
Authors: Acker J. , Roewer G. , Roever I. , Bohmhammel K.
Published: September 2004

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Allenylidene‐Ruthenium Complexes as Versatile Precatalysts for Alkene Metathesis Reactions
Authors: Castarlenas Ricardo , Fischmeister Cedric , Bruneau Christian , Dixneuf Pierre H.
Published: September 2004

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Catalysis and Organometallic Chemistry of Monometallic Species
Authors: Douthwaite Richard E.
Published: September 2004

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Preparation of C‐Nitroso Compounds
Authors: Gowenlock Brian G. , Richter‐Addo George B.
Published: September 2004

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Asymmetric Synthesis of Isoquinoline Alkaloids
Authors: Chrzanowska Maria , Rozwadowska Maria D.
Published: September 2004

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Supramolecular and Macromolecular Approaches Toward Functional Nanomaterials
Authors: Oike Hideaki , Aida Takuzo
Published: September 2004

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Construction and Functions of Supramolecular Polymers
Authors: Harada Akira
Published: September 2004

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The Chemodiversity of Purine as a Constituent of Natural Products
Authors: Rosemeyer Helmut
Published: September 2004

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Bioinspired Organic Chemistry
Authors: Williams Nicholas H.
Published: September 2004

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Competition Between Water and Hydrogen Peroxide at Ti Center in Titanium Zeolites. An ab initio Study.
Authors: Fois Ettore , Gamba Aldo , Spano Eleonora
Published: September 2004

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Lithium Vanadate Li3+xV6O13 at Low Temperature.
Authors: Hoewing Jonas , Gustafsson Torbjoern , Thomas John O.
Published: September 2004

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[NH4]2Mn3(H2O)4 [Mo(CN)7]2×4H2O: Tuning Dimensionality and Ferrimagnetic Ordering Temperature by Cation Substitution.
Authors: Le Goff Xavier F. , Willemin Stephanie , Coulon Claude , Larionova Joulia , Donnadieu Bruno , Clerac Rodolphe
Published: September 2004

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Surface Transfer Doping of Diamond.
Authors: Strobel P. , Riedel M. , Ristein J. , Ley L.
Published: September 2004

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Standard Entropy of Formation of Mo2B5 at 298 K
Authors: Morishita M. , Koyama K. , Yagi S.
Published: September 2004

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Phase Diagram Studies of the Ti—Bi—Sn System
Authors: Vassilev G. P. , Ishida K.
Published: September 2004

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Theoretical Prediction of a New Dinitrogen Reduction Process: Utilization of Four Dihydrogen Molecules and a Zr2Pt2 Cluster.
Authors: Musaev Djamaladdin G.
Published: September 2004

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Novel Phosphovanadate Layered Structure Assembled from a Tetrametallic Cubane‐Like VV Cluster.
Authors: Shi Fa‐Nian , Almeida Paz Filipe A. , Rocha Joao , Klinowski Jacek , Trindade Tito
Published: September 2004

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Preparation and Characterization of 6‐Molybdocobaltate and 6‐Molybdoaluminate Cobalt Salts. Evidence of a New Heteropolymolybdate Structure.
Authors: Martin Catherine , Lamonier Carole , Fournier Michel , Mentre Olivier , Harle Virginie , Guillaume Denis , Payen Edmond
Published: September 2004

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SimplePHOX, a Readily Available Chiral Ligand System for Iridium‐Catalyzed Asymmetric Hydrogenation.
Authors: Smidt Sebastian P. , Menges Frederik , Pfaltz Andreas
Published: September 2004

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Synthesis of Chiral 2,2′‐Dipyridylamines and Their Use in the Copper‐Catalyzed Asymmetric Allylic Oxidation of Cyclohexene.
Authors: Bolm Carsten , Frison Jean‐Cedric , Le Paih Jacques , Moessner Christian
Published: September 2004

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Lipase‐Catalyzed Selective Monoacylation of 1,n‐Diols with Vinyl Acetate.
Authors: Framis Victoria , Camps Francisco , Clapes Pere
Published: September 2004

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Addition of Electrophilic and Heterocyclic Carbon‐Centered Radicals to Glyoxylic Oxime Ethers.
Authors: McNabb Stephan B. , Ueda Masafumi , Naito Takeaki
Published: September 2004

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A Concise Synthesis of a Rigid Isomannide‐Based Diphosphine Ligand and Structural Characterization of an Alkoxyphosphonium Intermediate.
Authors: Carcedo Cristina , Dervisi Athanasia , Fallis Ian A. , Ooi Liling , Malik K. M. Abdul
Published: September 2004

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New P^O Ligand Grafted on Periodically Organized Mesoporous Silicas for One‐Pot Bifunctional Catalysis: Coupling of Base Catalyzed Knoevenagel Condensation with in situ Rh Catalyzed Hydrogenation.
Authors: Goettmann Frederic , Grosso David , Mercier Francois , Mathey Francois , Sanchez Clement
Published: September 2004

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Amine‐Salt‐Controlled, Catalytic Asymmetric Conjugate Addition of Various Amines and Asymmetric Protonation.
Authors: Hamashima Yoshitaka , Somei Hidenori , Shimura Yuta , Tamura Toshihiro , Sodeoka Mikiko
Published: September 2004

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Highly Diastereoselective Henry Reaction of Nitro Compounds with Chiral Derivatives of Glyoxylic Acid.
Authors: Kudyba Iwona , Raczko Jerzy , Urbanczyk‐Lipkowska Zofia , Jurczak Janusz
Published: September 2004

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Chemoselective Cross Metathesis of Bishomoallylic Alcohols: Rapid Access to Fragment A of the Cryptophycins (XIV).
Authors: Lautens Mark , Maddess Matthew L.
Published: September 2004

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An Efficient and Practical Procedure for Synthesis of 1,1‐Diacetates from Aldehydes Catalyzed by Zirconium Sulfate Tetrahydrate—Silica Gel.
Authors: Jin Tongshou , Feng Guoliang , Yang Mina , Li Tongshuang
Published: September 2004

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Transformation of Zirconocene—Olefin Complexes into Zirconocene Allyl Hydride and Their Use as Dual Nucleophilic Reagents: Reactions with Acid Chloride and 1,4‐Diketone.
Authors: Fujita Kazuya , Yorimitsu Hideki , Shinokubo Hiroshi , Oshima Koichiro
Published: September 2004

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Copper(I)‐Catalyzed Intramolecular Asymmetric [2 + 2] Photocycloaddition. Synthesis of Both Enantiomers of Cyclobutane Derivatives.
Authors: Sarkar Niladri , Nayek Abhijit , Ghosh Subrata
Published: September 2004

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Unexpected Formation of Previously Unknown Cyclohex‐2‐enone Derivative via Carbonylative Synthesis at Room Temperature.
Authors: Schroeter Michael , Weyerstahl Peter
Published: September 2004

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Highly Diastereoselective Indium‐Mediated Allylation of Chiral Hydrazones.
Authors: Cook Gregory R. , Maity Bikash C. , Kargbo Robert
Published: September 2004

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The Modified “Phosphine Imide” Reaction: A Safe and Soft Alternative Ureas Synthesis.
Authors: Porwanski Stanislaw , Menuel Stephane , Marsura Xavier , Marsura Alain
Published: September 2004

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Simple and Efficient Method for the Synthesis of 1‐[2‐Dimethylamino‐1‐(4‐methoxy‐phenyl)‐ethyl]‐cyclohexanol Hydrochloride: (.+‐.) Venlafaxine Racemic Mixtures.
Authors: Kavitha Basappa C. V. , Rangappa K. S.
Published: September 2004

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Asymmetric Epoxidation of Some Arylalkenyl Sulfones Using a Modified Julia—Colonna Procedure.
Authors: Lopez‐Pedrosa Jose‐Maria , Pitts Michael R. , Roberts Stanley M. , Saminathan Shanthini , Whittall John
Published: September 2004

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Intramolecular Cyclization Reactions of Aziridines with π‐Nucleophiles.
Authors: Bergmeier Stephen C. , Katz Steven J. , Huang Junfeng , McPherson Howard , Donoghue Patrick J. , Reed Damon D.
Published: September 2004

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Design, Synthesis and Biological Evaluation of New Potent 5‐Nitrofuryl Derivatives as anti‐Trypanosoma cruzi Agents. Studies of Trypanothione Binding Site of Trypanothione Reductase as Target for Rational Design.
Authors: Aguirre Gabriela , Cabrera Eliana , Cerecetto Hugo , Di Maio Rossanna , Gonzalez Mercedes , Seoane Gustavo , Duffaut Adelina , Denicola Ana , Gil Maria J. , Martinez‐Merino Victor
Published: September 2004

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Stereoselection in Radical Cyclization of β‐Alkoxyvinyl Sulfoxides: Synthesis of Tetrahydrofuranyl Allyl Carbinols.
Authors: Keum Gyochang , Kang Soon Bang , Kim Youseung , Lee Eun
Published: September 2004

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Highly Effective Synthetic Methods for Substituted 2‐Arylbenzofurans Using [3,3]‐Sigmatropic Rearrangement: Short Syntheses of Stemofuran A and Eupomatenoid 6.
Authors: Miyata Okiko , Takeda Norihiko , Naito Takeaki
Published: September 2004

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General Synthesis of meso‐Amidoporphyrins via Palladium‐Catalyzed Amidation.
Authors: Gao Guang‐Yao , Chen Ying , Zhang X. Peter
Published: September 2004

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The Synthesis and Crystal Structure of β‐Substituted Thiaporphyrins with Novel Cyclic Substituents.
Authors: Agarwal Neeraj , Mishra Sarada Prasad , Hung Chen‐Hsiung , Kumar Anil , Ravikanth Mangalampalli
Published: September 2004

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Synthesis and Antiinflammatory Activity of Heterocyclic Indole Derivatives.
Authors: Rani Preeti , Srivastava V. K. , Kumar Ashok
Published: September 2004

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1,7‐Annulated Indolocarbazoles as Cyclin‐Dependent Kinase Inhibitors.
Authors: Al‐Awar Rima S. , et al. et al.
Published: September 2004

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Facile Synthesis of Novel Fluorescence Active 12H‐Benzo[e]indolo[3,2‐b]benzofuran and Its Derivatives.
Authors: Karnik A. V. , Upadhyay S. P.
Published: September 2004

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Benzimidazoles as New Potent and Selective DP Antagonists for the Treatment of Allergic Rhinitis.
Authors: Beaulieu Christian , Wang Zhaoyin , Denis Danielle , Greig Gillian , Lamontagne Sonia , O'Neill Gary , Slipetz Deborah , Wang Jennifer
Published: September 2004

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2,3‐Dihydro‐1,3‐dioxo‐1H‐isoindole‐5‐carboxylic Acid Derivatives: A Novel Class of Small Molecule Heparanase Inhibitors
Authors: Hay Philip A. , et al. et al.
Published: September 2004

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Intramolecular [3 + 2] Nitrile Oxide Cycloaddition: Synthesis of Tetrahydroisoxazoloindazoles.
Authors: Park Kyung‐Ho , Marshall Will J.
Published: September 2004

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Preparation of 4‐Anilino‐6‐aryl‐2H‐pyran‐2‐ones from Trilithiated Acetoacetanilides and Aromatic Esters.
Authors: Downs Jennifer R. , Grant Sally P. , Townsend Jessica D. , Schady Deborah A. , Pastine Stefan J. , Embree Mildred C. , Metz Clyde R. , Pennington William T. , Bailey Walsch Rosa D. , Beam Charles F.
Published: September 2004

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Synthesis and Structure—Activity Relationships of 3‐Substituted 1,4‐Dihydro‐4‐oxo‐1‐(2‐thiazolyl)‐1,8‐naphthyridines as Novel Antitumor Agents.
Authors: Tsuzuki Yasunori , Tomita Kyoji , Sato Yuji , Kashimoto Shigeki , Chiba Katsumi
Published: September 2004

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Application of Directed Metalation in Synthesis. Part 6. A Novel Anionic Rearrangement under Directed Metalation Conditions Leading to Heteroannulation.
Authors: Pradhan Tarun Kanti , Mukherjee Chandrani , Kamila Sukanta , De Asish
Published: September 2004

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Synthesis and Properties of Novel Pyrazolopyrimidine Derivatives Containing Sulfur Atom.
Authors: Wang Hong‐Qing , Ding Ming‐Wu , Liu Zhao‐Jie
Published: September 2004

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Synthesis and Evaluation of Spirobenzazepines as Potent Vasopressin Receptor Antagonists.
Authors: Xiang Min Amy , Chen Robert H. , Demarest Keith T. , Gunnet Joseph , Look Richard , Hageman William , Murray William V. , Combs Donald W. , Patel Mona
Published: September 2004

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New Substituted Triaza‐Benzo[cd]azulen‐9‐ones as Promising Phosphodiesterase‐4 Inhibitors.
Authors: Devillers Ingrid , Pevet Isabelle , Jacobelli Henry , Durand Corinne , Fasquelle Veronique , Puaud Jocelyne , Gaudilliere Bernard , Idrissi Moulay , Moreau Francois , Wrigglesworth Roger
Published: September 2004

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C‐Lithiation/Alkylation of Trimethylamine Cyanoborane.
Authors: Takrouri Khuloud , Katzhendler Jehoshua , Srebnik Morris
Published: September 2004

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A Novel Synthesis of Functionalized Allylsilanes
Authors: Li Wei‐Dong Z. , Yang Jin‐Hui
Published: September 2004

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Phosphonyl Radical Addition to Enol Ethers. The Stereoselective Synthesis of Cyclic Ethers.
Authors: Jessop Christopher M. , Parsons Andrew F. , Routledge Anne , Irvine Derek J.
Published: September 2004

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Formal Synthesis of (.+‐.)‐Guanacastepene A: A Tandem Ring‐Closing Metathesis Approach.
Authors: Boyer Francois‐Didier , Hanna Issam , Ricard Louis
Published: September 2004

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Regiospecific Ring Opening of Terpene and Aryl‐Substituted Epoxides with Br2/DMS Reagent.
Authors: Bettadaiah B. K. , Srinivas P.
Published: September 2004

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Stereoselective Routes to 3‐Hydroxy and 3,4‐Dihydroxy Derivatives of 2‐Aminocyclohexanecarboxylic Acid.
Authors: Masesane Ishmael B. , Steel Patrick G.
Published: September 2004

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Stereocontrolled Glycosidations Using a Heterogeneous Solid Acid, Sulfated Zirconia, for the Direct Syntheses of α‐ and β‐Manno‐ and 2‐Deoxyglucopyranosides.
Authors: Toshima Kazunobu , Nagai Hideyuki , Kasumi Ken‐ichi , Kawahara Kanako , Matsumura Shuichi
Published: September 2004

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