bluuebunny/crossref_metadata_2025_split huggingface dataset:
Recovery of Phenol through the Decomposition of Tar under Hydrothermal Alkaline Conditions
Authors: Wahyudiono  , Fujinaga S. , Sasaki M. , Goto M. 
Published: July 2006

AbstractDecomposition of the tar residue from oil distillation was carried out under hydrothermal conditions using a batch reactor at 623–673 K and 25–40 MPa, with and without K2CO3 as a catalyst. The reaction scheme for tar decomposition was determined as follows: the liquefaction and dissolution process of tar occur first and then intermediate chemical compounds are transformed into lighter molecular weight species. The presence of K2CO3 activates the dissociation of molecular hydrogen to facilitate hydrogenation reactions. The main products from the decomposition of tar were phenol, biphenyl, diphenylether (DPE), and diphenylmethane (DPM). These results indicate that hydrolysis was important in the cleavage of the macromolecular structure of tar under both catalytic and non‐catalytic hydrothermal conditions. This method can be developed for efficient tar liquefaction to generate high yields of valuable chemicals in an environmentally friendly way.
In Situ Synthesis of Trisubstituted Methanol Ligands and Their Potential as One‐Pot Generators of Cubane‐like Metal Complexes
Authors: Abrahams Brendan F. , Hudson Timothy A. , Robson Richard 
Published: July 2006

AbstractTwo different one pot routes to a variety of metal cubane compounds are reported; one route is based on an in situ benzilic acid type rearrangement and the other involves in situ nucleophilic attack at a ketone. Diketosuccinic acid in basic solution in the presence of certain divalent metal ions undergoes a benzilic acid type rearrangement to generate the carbon oxyanion, C(CO2−)3O−, which serves as a cubane‐forming bridging ligand in a series of octanuclear complexes of composition [M8{C(CO2)3O}4](H2O)12 (M=Mg, Mn, Fe, Co, Ni, Zn). At the heart of each of these highly symmetrical aggregates is an M4O4 cubane core, each oxygen component of which is provided by the alkoxo centre of a C(CO2−)3O− ligand. Reaction of 2,2′‐pyridil, (2‐C5H4N)COCO(2‐C5H4N), and calcium nitrate in basic alcoholic solution, which proceeds by a similar benzilic acid type rearrangement, gives the cubane compounds, [Ca4L4(NO3)4] in which L=(2‐C5H4N)2C(COOR)O− (R=Me or Et). Nucleophilic attack by bisulfite ion at the carbonyl carbon atom of 2,2′‐dipyridyl ketone in the presence of certain divalent metals generates the electrically neutral complexes, [{(C5H4N)2SO3C(OH)}2M] (M=Mn, Fe, Co, Ni, Zn and Cd). Cubane‐like complexes [M4{(C5H4N)2SO3C(O)}4] (M=Zn, Mn) can be obtained directly from 2,2′‐dipyridyl ketone in one‐pot reaction systems (sealed tube, 120 °C) if a base as weak as acetate ion is present to deprotonate the OH group of the initial [(C5H4N)2SO3C(OH)]− bisulfite addition compound; the [(C5H4N)2SO3C(O)]2− ligand in this case plays the same cubane‐forming role as the ligands C(COO−)3O− and (2‐C5H4N)2C(COOR)O− above. When excess sodium sulfite is used in similar one‐pot reaction mixtures, the monoanionic complexes, [M3Na{(C5H4N)2SO3C(O)}4]− (M=Zn, Mn, Co) with an M3NaO4 cubane core, are formed directly from 2,2′‐dipyridyl ketone.
The Crystal Structure and Stability of K2NaAlH6.
Authors: Soerby M. H. , Brinks H. W. , Fossdal A. , Thorshaug K. , Hauback B. C. 
Published: July 2006

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Optical Spectroscopy and Visible Upconversion Studies of YVO4:Er3+ Nanocrystals Synthesized by a Hydrothermal Process.
Authors: Sun Yajuan , Liu Hongjian , Wang Xin , Kong Xianggui , Zhang Hong 
Published: July 2006

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Optical Properties and Electronic Structure of Spinel ZnRh2O4.
Authors: Singh D. J. , Rai R. C. , Musfeldt J. L. , Auluck S. , Singh Nirpendra , Khalifah P. , McClure S. , Mandrus D. G. 
Published: July 2006

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Metal‐Catalyzed [2 + 2 + 1] Cycloadditions of 1,3‐Dienes, Allenes, and CO.
Authors: Wender Paul A. , Croatt Mitchell P. , Deschamps Nicole M. 
Published: July 2006

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Synthesis and Reactions of 2‐Chloro‐2‐(hydroximino)‐1‐(4‐methyl‐2‐phenylthiazol‐5‐yl)ethanone.
Authors: Abdelhamid Abdou O. , Elghandour Ahmed H. , Ahmed Sayed A. , Zaki Yasser H. 
Published: July 2006

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Photochemical Substitution of Olefins and Aromatic Compounds with Difluoromethyl Radicals Bearing Ester and Phosphonate Groups.
Authors: Murakami Satoru , Ishii Hideki , Tajima Toshiki , Fuchigami Toshio 
Published: July 2006

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
A Novel Catalyst for Alkene Epoxidation: A Polymer‐Supported CoIILCl2 {L = 2‐(Alkylthio)‐3‐phenyl‐5‐ (pyridine‐2‐ylmethylene)‐3,5‐dihydro‐4H‐imidazole‐4‐one} Complex.
Authors: Beloglazkina Elena K. , Majouga Alexander G. , Romashkina Renata B. , Zyk Nikolay V. 
Published: July 2006

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
A New Ring Bromination Method for Aromatic Compounds under Solvent‐Free Conditions with NBS/Al2O3.
Authors: Imanzadeh Gholamhassan K. , Zamanloo Mohammad R. , Eskandari Habibollah , Shayesteh Keyvan 
Published: July 2006

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Grignard‐Triggered Fragmentation of Vinylogous Acyl Triflates: Synthesis of (Z)‐6‐Heneicosen‐11‐one, the Douglas Fir Tussock Moth Sex Pheromone.
Authors: Jones David M. , Kamijo Shin , Dudley Gregory B. 
Published: July 2006

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
A Facile Method for the Stereoselective Preparation of (1Z,3E)‐Dienyl Ethers via 1,4‐Elimination of 1,4‐Dialkoxy‐(2Z)‐alkenes with n‐Butyllithium.
Authors: Tayama Eiji , Sugai Sayaka 
Published: July 2006

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
The Epoxy‐Ramberg—Baecklund Reaction (ERBR): A Sulfone‐Based Method for the Synthesis of Allylic Alcohols.
Authors: Evans Paul , Johnson Paul , Taylor Richard J. K. 
Published: July 2006

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Synthesis of 3‐Alkyl‐ and 3‐Chloroalkyl‐2‐hydroxybenzoates Based on [3 + 3] Cyclizations of 4‐Alkyl‐ and 4‐Chloroalkyl‐1,3‐bis(trimethylsilyloxy)buta‐1,3‐dienes
Authors: Nguyen Van Thi Hong , Bellur Esen , Appel Bettina , Langer Peter 
Published: July 2006

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Synthesis and Structures of C60 Fullerene Chlorides.
Authors: Troyanov S. I. , Shustova N. B. , Popov A. A. , Sidorov L. N. 
Published: July 2006

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Large‐Scale Synthesis of Alkyne‐Linked Tripodal Porphyrins via Palladium‐Mediated Coupling Conditions.
Authors: Tong Lok H. , Pascu Sofia I. , Jarrosson Thibaut , Sanders Jeremy K. M. 
Published: July 2006

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Rapid and Selective Synthesis of Substituted 1,2,5‐Thiadiazolidine 1,1‐Dioxides.
Authors: Hannam Joanne , Harrison Timothy , Heath Felicity , Madin Andrew , Merchant Kevin 
Published: July 2006

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Multistep Microwave Assisted Solvent‐Free Green Chemical Synthesis of 2,7‐Dihydro‐3H‐pyridazino[3′,4′:4,5]indolo [3,2‐c]quinoline‐3,13(12H)‐dione.
Authors: Dandia Anshu , Arya Kapil , Dhaka Nidhi 
Published: July 2006

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Intramolecular Cyclization of 1‐Allyl‐ and 1‐Methallyl‐6‐amino‐2‐thiouracils.
Authors: Sokolov V. B. , Aksinenko A. Yu. , Pushin A. N. , Martynov I. V. 
Published: July 2006

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
A Facile Synthesis of 2‐Amino‐1,3‐selenazole by Reaction of N,N‐Unsubstituted Selenourea with Ketone.
Authors: Koketsu Mamoru , Kanoh Koichi , Ando Hiromune , Ishihara Hideharu 
Published: July 2006

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
One‐Dimensional Luminescent Nanoaggregates of Perylene Bisimides.
Authors: Wuerthner Frank , Chen Zhijian , Dehm Volker , Stepanenko Vladimir 
Published: July 2006

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Cespitulactones A and B, New Diterpenoids from Cespitularia taeniata.
Authors: Shen Ya‐Ching , Ho Ching‐Jen , Kuo Yao‐Haur , Lin Yun‐Sheng 
Published: July 2006

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Use of the Oxazole—Olefin Diels—Alder Reaction in the Total Synthesis of the Monoterpene Alkaloids (‐)‐Plectrodorine and (+)‐Oxerine.
Authors: Ohba Masashi , Izuta Rie , Shimizu Emi 
Published: July 2006

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
α‐Methylated Derivatives of 2‐Arachidonoyl Glycerol: Synthesis, CB1 Receptor Activity, and Enzymatic Stability.
Authors: Parkkari Teija , Myllymaeki Mikko , Savinainen Juha R. , Saario Susanna M. , Castillo‐Melendez Joel A. , Laitinen Jarmo T. , Nevalainen Tapio , Koskinen Ari M. P. , Jaervinen Tomi 
Published: July 2006

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Radanamycin, a Macrocyclic Chimera of Radicicol and Geldanamycin.
Authors: Wang Mingwen , Shen Gang , Blagg Brian S. J. 
Published: July 2006

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Amino Acid Sequence Autocorrelation Vectors and Ensembles of Bayesian‐Regularized Genetic Neural Networks for Prediction of Conformational Stability of Human Lysozyme Mutants.
Authors: Caballero Julio , Fernandez Leyden , Abreu Jose Ignacio , Fernandez Michael 
Published: July 2006

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Comparative Protein Modeling of 1‐Deoxy‐D‐xylulose‐5‐phosphate Reductoisomerase Enzyme from Plasmodium falciparum: A Potential Target for Antimalarial Drug Discovery.
Authors: Singh Nidhi , Cheve Gwenael , Avery Mitchell A. , McCurdy Christopher R. 
Published: July 2006

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
A Simple Approach for Indexing the Oral Druglikeness of a Compound: Discriminating Druglike Compounds from Nondruglike Ones.
Authors: Biswas Dhrubajyoti , Roy Sujata , Sen Srikanta 
Published: July 2006

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Classification Tree Models for the Prediction of Blood—Brain Barrier Passage of Drugs.
Authors: Deconinck Eric , Zhang Menghui H. , Coomans Danny , Vander Heyden Yvan 
Published: July 2006

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Influence of the Conditions in Pharmacophore Generation, Scoring, and 3D Database Search for Chemical Feature‐Based Pharmacophore Models: One Application Study of ETA‐ and ETB‐Selective Antagonist.
Authors: Cucarull‐Gonzalez Joan R. , Laggner Christian , Langer Thierry 
Published: July 2006

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Synthesis and in vitro Selective anti‐Helicobacter pylori Activity of N‐Substituted‐2‐oxo‐2H‐1‐benzopyran‐3‐carboxamides.
Authors: Bizzarri Bruna , et al. et al. 
Published: July 2006

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
First Enantioselective One‐Pot, Three‐Component Imino Reformatsky Reaction
Authors: Cozzi Pier Giorgio , Rivalta Eleonora 
Published: July 2006

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
New Technologies in Catalysis Using Base Metals
Authors: Lipshutz Bruce H. , Butler Tom , Frieman Bryan A. , Kogan Vladimir , Lee Ching‐Tien , Lower Asher , Nihan Danielle M. , Taft Benjamin R. , Tomaso Anthony E. Jr. 
Published: July 2006

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Syntheses and Reactions of Optically Active α‐Aminoallenylstannanes and α‐Aminopropargylboranes
Authors: Hegedus Louis S. , Ranslow Peter , Achmatowicz Michal , de los Rios Cristobal , Hyland Christopher , Garcia‐Frutos Eva M. , Salman Sarri 
Published: July 2006

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Asymmetric Synthesis of Phosphonic Analogues of β‐Amino Acids
Authors: Lajczyk Marian Miko , Drabowicz Jozef , Lyzwa Piotr 
Published: July 2006

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Growth of ZnO crystals by vapour transport: Some ways to act on physical properties
Authors: Tena‐Zaera R. , Martínez‐Tomás C. , Gómez‐García C. J. , Muñoz‐Sanjosé V. 
Published: July 2006

AbstractNowadays, the growth of ZnO by vapor transport in silica ampoules is generally made in presence of graphite. As it has been already shown, this means that the growth process is carried out in presence of a Zn excess. In order to control that and act, as a consequence, on the physical properties of crystals we have performed a systematic study of the growth process in a wide range of Zn excess compositions using well defined experimental conditions. As a preliminary characterization, optical absorption and electrical properties have been analyzed at room temperature. The results show how some physical properties of as‐grown ZnO crystals can be changed in a controlled way by an adequate combination of different growth conditions such as graphite covering of inner ampoule walls, thermal difference between source material and crystallization zone and additional gas (composition and pressure). In this frame some post‐growth annealing processes can be avoided reducing the time and cost of processes. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
Influence of the starting powders on the synthesis of nickel ferrite
Authors: Kenfack F. , Langbein H. 
Published: July 2006

AbstractThe thermal decomposition of freeze‐dried nickel(II)‐iron(III) formate was investigated by means of DTA, TG, mass spectrometry and X‐ray powder diffractometry. For the preparation of homogeneous freeze‐dried nickel(II)‐iron(III) formate precursors, a rigorous control of nickel ion concentration in the precursor solution was required. The decomposition of the reactive nickel(II)‐iron(III) formate does not only reflect aspects of single formates, but also an interaction between components which lowers the decomposition temperature. Crystalline nickel ferrite powders were obtained at 600‐800°C. This temperature is quite lower than 1100°C employed for the ceramic method. In the presence of air, the regeneration of nickel ferrite from the taenite phase (γNi,Fe) is accomplished at 800°C. This temperature is also 300°C below the temperature employed when the mixtures NiO:α‐Fe2O3 or Ni:2Fe are the starting powders. The main reason for the high reactivity of the freeze‐dried formates and the taenite alloy is the large homogeneity of these precursors. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
Crystallization of benzimidazole by solution growth method and its characterization
Authors: Vijayan N. , Bhagavannarayana G. , Kanagasekaran T. , Babu R. Ramesh , Gopalakrishnan R. , Ramasamy P. 
Published: July 2006

AbstractThe potential organic NLO crystal of benzimidazole (BMZ) has been successfully grown by slow evaporation solution growth technique at room temperature. The crystalline perfection has been verified by High resolution X‐ray diffraction (HRXRD) analysis. The very low angle boundary obtained for this solution‐grown specimen may be attributed to the segregation of solvent molecules (methanol), which were entrapped within the crystal during growth. The laser damage threshold has been measured by using high intensity Q‐switched Nd:YAG laser. The observed value is greater than that of KDP and lesser than that of melt grown benzimidazole. The NLO efficiency has been determined and it is compared with the KDP crystal. The thermal behaviour has been assessed by TG/DTA analysis. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
Alanine aminotransferase as a marker of non‐alcoholic fatty liver disease in relation to type 2 diabetes mellitus and cardiovascular disease
Authors: Schindhelm Roger K. , Diamant Michaela , Dekker Jacqueline M. , Tushuizen Maarten E. , Teerlink Tom , Heine Robert J. 
Published: July 2006

AbstractFor a long time, hepatic steatosis was believed to be a benign condition. Only recently, liver steatosis, also termednon‐alcoholic fatty liver disease(NAFLD), has gained much interest. In most cases of NAFLD, a condition regarded as the hepatic component of the metabolic syndrome, the enzyme alanine aminotransferase (ALT) is elevated and consequently has been used as a marker for NAFLD. More recently, several cross‐sectional and prospective studies have demonstrated associations of this liver enzyme with features of the metabolic syndrome and type 2 diabetes mellitus. This review discusses the biochemical and metabolic properties of ALT, its applicability as a marker of NAFLD and describes its possible role in the pathogenesis of the metabolic syndrome and type 2 diabetes mellitus and subsequent cardiovascular disease. In addition, treatment strategies to ameliorate NAFLD and the associated risks are discussed. Copyright © 2006 John Wiley & Sons, Ltd.
One‐Pot Synthesis of 3‐Substituted Isoquinolin‐1‐(2H)‐ones and Fused Isoquinolin‐1‐(2H)‐ones by SRN1 Reactions in DMSO
Authors: Guastavino Javier F. , Barolo Silvia M. , Rossi Roberto A. 
Published: July 2006

Abstract3‐Substituted isoquinolin‐1‐(2H)‐ones and fused isoquinolin‐1‐(2H)‐ones have been obtained by the photostimulated SRN1 reactions of 2‐iodobenzamide with the enolates of aromatic (acetophenone, 1‐(benzo[d][1,3]dioxol‐5‐yl)ethanone, 1‐ and 2‐naphthyl methyl ketones, and 2‐, 3‐, and 4‐acetylpyridine), aliphatic (1‐adamantyl methyl ketone), and cyclic ketones (1‐ and 2‐indanone, α‐ and β‐tetralone, and 1‐benzosuberone) in DMSO. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2006)
Renaissance of HF Impedimetry in Application to CE Detection
Authors: Opekar František , Štulík Karel 
Published: July 2006

AbstractSome results obtained at the above department in the field of contactless conductivity detection (CCD) are reviewed, in the framework of the state‐of‐the‐art of the field. Several detection cells have been designed and tested. It has been shown that the performance of systems with planar and semitubular electrodes is fully comparable with that of common cells with tubular electrodes and that these systems have advantages in simpler construction and a greater operational versatility. Important characteristic parameters are discussed, primarily the electrode effective length, the gap between the electrodes and the thickness of the dielectric layer. Possibilities of using thin insulated wire electrodes for CCD detection in flow injection analysis are demonstrated.