bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Direct Decarboxylative Alkynylation of α,α‐Difluoroarylacetic Acids under Transition Metal‐Free Conditions.
Authors: Li Xiang , Li Siyu , Sun Suyan , Yang Fan , Zhu Weiguo , Zhu Yu , Wu Yusheng , Wu Yangjie 
Published: September 2016

AbstractThe decarboxylative coupling of the title acids with ethynylbenziodoxolone reagents in the presence of K2S2O8 as oxidant is described.
ChemInform Abstract: Copper‐Mediated Trifluoromethylation of Diaryliodonium Salts with Difluoromethyltriflate.
Authors: Yang Jing‐Yun , Xu Xiu‐Hua , Qing Feng‐Ling 
Published: September 2016

Abstractaffording trifluoromethylated arenes in short reaction time (5 min)
ChemInform Abstract: A General and Efficient Pd‐Catalyzed Rapid 2‐Fluoroethoxylation of Bromo‐Chalcones.
Authors: Rangarajan T. M. , Devi Kavita , Verma Akhilesh K. , Singh Rishi Pal , Singh Raj Pal 
Published: September 2016

AbstractTwo of six investigated ligands efficiently support the 2‐fluoroethoxylation of bromochalcones.
ChemInform Abstract: FeCl3‐Silica: A Green Approach for the Synthesis of Nitriles from Oximes.
Authors: Ghosh Pranab , Pariyar Gyan Chandra , Saha Bittu , Subba Raju 
Published: September 2016

AbstractA solvent‐free and environmentally benign protocol for the single‐step formation of nitriles (II) from aldoximes (I) using FeCl3‐silica medium is given.
ChemInform Abstract: Radical—Radical Cross‐Coupling for C—S Bond Formation.
Authors: Huang Zhiliang , Zhang Dongchao , Qi Xiaotian , Yan Zhiyuan , Wang Mengfan , Yan Haiming , Lei Aiwen 
Published: September 2016

AbstractThe preliminary mechanism of this reaction is revealed by radical‐trapping experiments, DFT calculations and kinetics, indicating that the C—S bond is formed through cross‐coupling of a thiyl radical and an aryl radical cation.
ChemInform Abstract: Synthesis of β‐Hydroxysulfones from Sulfonyl Chlorides and Alkenes Utilizing Visible Light Photocatalytic Sequences.
Authors: Pagire Santosh K. , Paria Suva , Reiser Oliver 
Published: September 2016

AbstractThe visible light mediated atom transfer radical addition between alkenes and sulfonyl chlorides gives β‐hydroxysulfones in high yields.
ChemInform Abstract: A General and Mild Copper(I)‐Catalyzed Three‐Component Reaction of Cyanamides, Amines, and Diaryliodonium Triflates
Authors: Li Jihui , Wang Hongxing , Hou Yifeng , Yu Weiguang , Xu Shuying , Zhang Yucang 
Published: September 2016

Abstractto give guanidines in good yields
ChemInform Abstract: Ligand‐ and Base‐Free Access to Diverse Biaryls by the Reductive Coupling of Diaryliodonium Salts.
Authors: Arun V. , Reddy P. O. Venkataramana , Pilania Meenakshi , Kumar Dalip 
Published: September 2016

AbstractA broad spectrum of synthetically important biaryl structures is readily available under conditions A) starting from symmetrical or unsymmetrical iodonium triflates.
ChemInform Abstract: Practical Synthesis of β‐Isothiocyanato Ketones from Chalcones.
Authors: Fesenko Anastasia A. , Solovyev Pavel A. , Shutalev Anatoly D. 
Published: September 2016

Abstractbased on the reaction of chalcones with thiocyanic acid, generated in situ from ammonium thiocyanate with dilute sulfuric acid
ChemInform Abstract: Palladium‐Catalyzed Tandem Reaction of Alkyne‐Based Aryl Iodides and Salicyl N‐Tosylhydrazones to Construct the Spiro[benzofuran‐3,2′‐chromene] Skeleton.
Authors: Shang Xue Song , Li Nian Tai , Li Deng Yuan , Liu Pei Nian 
Published: September 2016

AbstractThree new bonds are generated in one step by the combination of an alkyne‐based 5‐exo‐dig cyclization with a Pd(II) carbene migratory insertion and an intramolecular cyclization.
ChemInform Abstract: Enantioselective Synthesis of Spirocyclic Tetrahydrothiophene Derivatives Bearing a Benzofuran‐3(2H)‐one Scaffold. Unusual Supramolecular Crystal Structure with High Z′.
Authors: Kowalczyk Dorota , Wojciechowski Jakub , Albrecht Lukasz 
Published: September 2016

AbstractAn efficient and enantioselective approach to spirocyclic tetrahydrothiophene derivatives bearing a benzofuran‐3(2H)‐one scaffold is developed which utilizes 2‐arylidenebenzofuran‐3(2H)‐ones and 2‐thioacetaldehyde, generated in situ from 1,4‐dithiane‐2,5‐diol, as starting materials and proceeds in a cascade manner involving a thio‐Michael‐aldol reaction sequence.
ChemInform Abstract: From Heteroaromatic Acids and Imines to Azaspirocycles: Stereoselective Synthesis and 3D Shape Analysis.
Authors: Chambers Sarah J. , Coulthard Graeme , Unsworth William P. , O'Brien Peter , Taylor Richard J. K. 
Published: September 2016

AbstractStarting from acetic acid substituted indole, azaindole as well as pyrrole derivatives and cyclic as well as acyclic imines a broad range of spiropolycycles is prepared.
ChemInform Abstract: Lewis Base and Broensted Base Dual‐Catalyzed Formal [4 + 3] Cycloaddition Reaction: Synthesis of Aza‐Spirocycloheptane Oxindole.
Authors: Liu Jin‐Yu , Lu Hong , Li Chen‐Guang , Liang Yong‐Min , Xu Peng‐Fei 
Published: September 2016

AbstractA practical approach for the [4 + 3] cycloadditon of Morita—Baylis—Hillman carbonates and N‐(o‐chloromethyl)aryl amides is developed to give aza‐spirocycloheptane oxindoles in moderate to high yields.
ChemInform Abstract: A Novel Strategy for the Synthesis of Thermally Stable and Apoptosis‐Inducing 2,3‐Dihydroazetes.
Authors: Smetanin Ilia A. , Novikov Mikhail S. , Agafonova Anastasiya V. , Rostovskii Nikolai V. , Khlebnikov Alexander F. , Kudryavtsev Igor V. , Terpilowski Maxim A. , Serebriakova Maria K. , Trulioff Andrey S. , Goncharov Nikolay V. 
Published: September 2016

AbstractThe reaction of a diazoacetate‐derived rhodium carbenoid with azirines or isoxazoles followed by a cyclization‐hydrodebromination cascade provides dihydroazetes via formation of 2‐azabuta‐l,3‐dienes.
ChemInform Abstract: Asymmetric Conjugate Addition of Benzofuran‐2‐ones to Alkyl 2‐Phthalimidoacrylates: Modeling Structure—Stereoselectivity Relationships with Steric and Electronic Parameters.
Authors: Yang Chen , Zhang En‐Ge , Li Xin , Cheng Jin‐Pei 
Published: September 2016

AbstractThe 3,5‐bis(trifluoromethyl)benzyl substituted compound (THU) and the analogous methyl derivative are found to be suitable catalysts for the Michael addition of 3‐substituted benzofurans and alkyl 2‐phthalimidoacrylates.
ChemInform Abstract: Synthesis of 2‐Aryl‐Substituted Indole‐3‐acetic Acid Derivatives via Intramolecular Imino‐Stetter Reaction of Aldimines with Cyanide.
Authors: Lee Seong Jong , Seo Hong‐Ahn , Cheon Cheol‐Hong 
Published: September 2016

AbstractA general method to generate umpolung of aldimines with cyanide is developed via the addition of cyanide to aldimines followed by a proton transfer from the carbon to the nitrogen atom in the resulting cyanide adducts.
ChemInform Abstract: Silica‐Supported Molybdic Acid: Preparation, Characterization, and Its Catalytic Application in Synthesis of Pyranocoumarins.
Authors: Karami Bahador , Kiani Mahtab 
Published: September 2016

AbstractSilica‐supported molybdic acid appears to be a novel, recyclable and safe catalyst for the three‐component condensation of 4‐hydroxycoumarin with aldehydes and malononitrile furnishing pyranocoumarins (IV) (14 examples) in high yield.
ChemInform Abstract: Enantioselective Synthesis of Isoquinolines: Merging Chiral‐Phosphine and Gold Catalysis.
Authors: Gao Yu‐Ning , Shi Feng‐Chen , Xu Qin , Shi Min 
Published: September 2016

AbstractThis highly enantioselective synthesis of dihydroisoquinoline derivatives from aromatic sulfonated imines tethered with an alkyne moiety, through a one‐pot asymmetric relay catalysis of chiral‐phosphine and gold catalysts, is based on an asymmetric aza‐Morita—Baylis—Hillman reaction.
ChemInform Abstract: Synthesis and Antitubercular Activity of Fused Thieno‐/Furo‐quinoline Compounds.
Authors: Akula Mahesh , Yogeeswari P. , Sriram D. , Jha Mukund , Bhattacharya Anupam 
Published: September 2016

AbstractThe cyclocondensation reaction of 2‐(3‐thienyl)‐ or 2‐(3‐furyl)aniline with aromatic aldehydes afford 4‐arylated thieno‐ and furo[2,3‐c]quinolines.
ChemInform Abstract: Metal‐Free Synthesis of Quinazolinones Without Any Additives in Water.
Authors: Hu Ben‐Quan , Cui Jie , Wang Li‐Xia , Tang Ya‐Lin , Yang Luo 
Published: September 2016

AbstractDuring the condensation of anthranilamides with aldehydes (especially aliphatic aldehydes), an excess of the aldehydes promotes the oxidation of an aminal intermediate to the target quinazolinones.
ChemInform Abstract: EGB‐Promoted Electrochemical Synthesis of 6‐Thioxo‐[1,3,5]‐triazinane‐2,4‐dione Derivatives.
Authors: Sbei Najoua , Haouas Baya , Boujlel Khaled , Batanero Belen , Benkhoud Mohamed Lamine 
Published: September 2016

AbstractElectrogenerated cyanomethyl base, obtained from electroreduction of neat acetonitrile, assists the reaction between thiourea derivatives (I) and isocyanates (II) furnishing the title triazinone derivatives (III).
ChemInform Abstract: Synthesis of Novel Eight‐Membered Dibenzo[b,f][1,5]oxazocin‐6‐ones.
Authors: Sivaguru Paramasivam , Parameswaran Kandasamy , Lalitha Appaswami 
Published: September 2016

AbstractA simple strategy is reported for the rapid synthesis of novel tricyclic azo group containing eight membered dibenzo[b,f][1,5]oxazocin‐6‐ones.
ChemInform Abstract: Copper‐Catalyzed Decarboxylative Hydroboration: Synthesis of Vinyl Boronic Esters
Authors: Irudayanathan Francis Mariaraj , Raja Gabriel Charles Edwin , Kim Han‐Sung , Na Kyungsu , Lee Sunwoo 
Published: September 2016

Abstractstarting from aryl alkynyl carboxylic acids and bis(pinacolato)diboron with good functional group tolerance
ChemInform Abstract: Copper‐Catalyzed Si—B Bond Activation in the Nucleophilic Substitution of Primary Aliphatic Triflates.
Authors: Scharfbier Jonas , Oestreich Martin 
Published: September 2016

AbstractTetraorganosilanes are prepared by displacement of the triflate leaving group attached to terminally functionalized alkyl groups with nucleophilic silicon released from Suginomes Si—B reagent.
ChemInform Abstract: Practical Way for the Synthesis of Phosphine Oxides and Phosphine Sulfides from Benzyl Alcohol Derivatives.
Authors: Ma Yutao , Chen Feng , Bao Jifeng , Wei Hao , Shi Min , Wang Feijun 
Published: September 2016

AbstractPentavalent phosphorus compounds are prepared by reaction of various benzyl alcohols with Ph2PI in situ generated from Ph2PCl and NaI.
ChemInform Abstract: Broensted Base‐Catalyzed Three‐Component Coupling Reaction of α‐Ketoesters, Imines, and Diethyl Phosphite Utilizing [1,2]‐Phospha‐Brook Rearrangement.
Authors: Kondoh Azusa , Terada Masahiro 
Published: September 2016

AbstractThe title reaction involves the generation of ester enolates via the umpolung process, i.e., the chemoselective addition of diethyl phosphite to α‐ketoesters followed by [1,2]‐phospha‐Brook rearrangement, and the trapping of the resulting enolates by imines preferentially over α‐ketoesters and protons.
ChemInform Abstract: Sesquiterpenes with Inhibitory Activity Against CDC25 Phosphatases from the Soft Coral Pseudopterogorgia rigida
Authors: Georgantea Panagiota , Ioannou Efstathia , Evain‐Bana Emilie , Bagrel Denyse , Martinet Nadine , Vagias Constantinos , Roussis Vassilios 
Published: September 2016

Abstractisolation, structure elucidation, and antitumor activity of sesquiterpenes, such as bisabolanes, cadinanes, and the new tricyclic carbon skeleton of compound (III)
ChemInform Abstract: Resonant Energy Transfer in (Eu3+, Bi3+)‐Codoped CaZrO3 Red‐Emitting Phosphor.
Authors: Orihashi Takuya , Nakamura Toshihiro , Adachi Sadao 
Published: September 2016

AbstractThe title phosphor is synthesized by solid state reaction of CaCO3, ZrO2, Eu2O3, and Bi2O3 (alumina crucible, 300—1200 °C, 1 h in air).
ChemInform Abstract: Antibacterial Properties of Silver Dendrite Decorated Silicon Nanowires.
Authors: Alhmoud Hashim , Delalat Bahman , Ceto Xavier , Elnathan Roey , Cavallaro Alex , Vasilev Krasimir , Voelcker Nicolas H. 
Published: September 2016

AbstractSilicon nanowires decorated with silver dendrites are prepared by etching Si wafers with aqueous solutions of HF and AgNO3 (25 °C, 30—90 min).
ChemInform Abstract: A Review on the Advancement of Ether Synthesis from Organic Solvent to Water
Authors: Mandal Sangita , Mandal Swagata , Ghosh Sumanta K. , Sar Pintu , Ghosh Aniruddha , Saha Rumpa , Saha Bidyut 
Published: September 2016

AbstractReview: 106 refs.
ChemInform Abstract: Development of Cu2SnS3 (CTS) Thin Film Solar Cells by Physical Techniques: A Status Review
Authors: Lokhande A. C. , Chalapathy R. B. V. , He Mingrui , Jo Eunjin , Gang Myengil , Pawar S. A. , Lokhande C. D. , Kim Jin Hyeok 
Published: September 2016

AbstractReview: 86 refs.
Thermodynamic Properties of Polymorphs of Fluorosulfate Based Cathode Materials with Exchangeable Potassium Ions
Authors: Shivaramaiah Radha , Lander Laura , Nagabhushana G. P. , Rousse Gwenaëlle , Tarascon Jean‐Marie , Navrotsky Alexandra 
Published: September 2016

AbstractFeSO4F‐based frameworks have recently emerged as attractive candidates for alkali insertion electrodes. Mainly owing to their rich crystal chemistry, they offer a variety of new host structures with different electrochemical performances and physical properties. In this paper we report the thermodynamic stability of two such K‐based “FeSO4F” host structures based on direct solution calorimetric measurements. KFeSO4F has been reported to crystallize in two different polymorphic modifications—monoclinic and orthorhombic. The obtained enthalpies of formation from binary components (KF plus FeSO4) are negative for both polymorphs, indicating that they are thermodynamically stable at room temperature, which is very promising for the future exploration of sulfate based cathode materials. Our measurements show that the low‐temperature monoclinic polymorph is enthalpically more stable than the orthorhombic phase by ≈10 kJ mol−1, which is consistent with the preferential formation of monoclinic KFeSO4F at low temperature. Furthermore, observed phase transformations and difficulties in the synthesis process can be explained based on the obtained calorimetric results. The KMnSO4F orthorhombic phase is more stable than both polymorphs of KFeSO4F.
Efficient and reliable fault analysis methodology for nanomagnetic circuits
Authors: Turvani G. , Riente F. , Cairo F. , Vacca M. , Garlando U. , Zamboni M. , Graziano M. 
Published: September 2016

SummaryThe increasing issues in scaled Complementary Metal Oxide Semiconductor (CMOS) circuit fabrication favor the flourishing of emerging technologies. Because of their limited sizes, both CMOS and emerging technologies are particularly sensitive to defects that arise during the fabrication process. Their impact is not easy to analyze in order to take the necessary countermeasures, especially in the case of circuits of realistic complexity based on emerging technologies. In this work, we propose a new methodology supported by an efficient and reliable tool for the identification of the impact of faults in complex circuits implemented using the emerging technology we are focusing on in this case: nanomagnetic logic.The methodology is based on three main steps: (i) we performed exhaustive physical‐level simulations of basic blocks based on a detailed finite‐element tool in order to have a full characterization, to know their properties in presence of defects, and to have a solid reference point for the following steps; (ii) we developed a model (fanomag) for the basic block behavior suitable for simulations in presence of defects of complex circuits, that is, lighter than a physical level one, but accurate enough to capture the most important features to be inherited at circuit level; (iii) starting from a physical design of complex circuits that we perform using a specific design tool we developed, that is, ToPoliNano, we simulated using fanomag, now embedded in our ToPoliNano tool, the behavior of circuits in presence of multiple sets of fabrication defects using a Monte Carlo approach now included in ToPoliNano as a new feature. In this paper, a specific type of defect is considered as a case study. The framework and methodology are conceived to be easily extended to handle other types of defects and problems due to working conditions that a designer and/or a technologist might want to focus on.The major outcome is then a powerful methodology and tool capable to analyze with a good accuracy nanomagnetic logic complex circuits and architectures both in ideal conditions and in presence of defects with remarkable performance in terms of simulation times. Copyright © 2016 John Wiley & Sons, Ltd.
The effect of seed traits on geographic variation in body size and sexual size dimorphism of the seed‐feeding beetle Acanthoscelides macrophthalmus
Authors: Haga Eloísa B. , Rossi Marcelo N. 
Published: September 2016

AbstractExplaining large‐scale patterns of variation in body size has been considered a central question in ecology and evolutionary biology because several life‐history traits are directly linked to body size. For ectothermic organisms, little is known about what processes influence geographic variation in body size. Changes in body size and sexual size dimorphism (SSD) have been associated with environmental variables, particularly for Bruchinae insects, which feed exclusively on seeds during the larval stage. However, the effect of important seed traits on body size variation has rarely been investigated, and whether SSD varies substantially among populations within bruchine species is poorly known. Using the seed‐feeding beetle Acanthoscelides macrophthalmus infesting its host plant Leucaena leucocephala, we investigated whether specific seed traits (hardness, size, water content, carbon/nitrogen ratio, and phenolic content) were determinant in generating geographic variation in body size and SSD of A. macrophthalmus. We also examined the relationships between body size and SSD with latitude and altitude. The body size of both sexes combined was not related to latitude, altitude, and any of the physical and chemical seed traits. However, the female body size tended to vary more in size than the males, generating significant variation in SSD in relation to latitude and altitude. The females were the larger sex at higher latitudes and at lower altitudes, precisely where seed water content was greater. Therefore, our results suggest that water content was the most important seed trait, most severely affecting the females, promoting geographic variation in SSD of A. macrophthalmus.
Simulating the Impact of Particle Size Distribution on the Performance of Graphite Electrodes in Lithium‐Ion Batteries
Authors: Röder Fridolin , Sonntag Sören , Schröder Daniel , Krewer Ulrike 
Published: September 2016

AbstractIn this work we present a fundamental model‐based analysis of the effect of active material particle size distribution (PSD) on graphite electrodes and their performance. We focused on the determination of the impact of differently shaped and scaled PSDs on the electrode performance, which is mainly influenced by the performance of the individual particles and their interaction. A mathematical electrode model with a distributed particle size is used for analysis to identify the different local current densities and the charging behavior of the particles. The heterogeneity provokes uneven surface overpotentials and reaction rates. Their identification facilitates the investigation of the degradation of such heterogeneous systems. In addition, we present an approach that accounts for the change of a PSD because of the restructuring of the electrode morphology during battery usage into the mathematical model and identify the general impact of particle cracking and agglomeration on the battery performance. Moreover, the importance of PSD in Li‐ion batteries is shown by comparing the results obtained with a single particle model used commonly. This comparison shows that in case of narrow distributions surface‐area‐ and volume‐based mean approximations are sufficient to predict overpotentials and electrode capacity if kinetic losses are dominated either by reaction at the surface or diffusion processes, respectively. This work indicates that the PSD and its change impact the performance and degradation of Li‐ion batteries considerably. We suggest that the PSD and its evolution should be of particular interest in the study of the degradation of particle‐based electrodes.
Perceptions of the first family physicians to adopt advanced access in the province of Quebec, Canada
Authors: Breton Mylaine , Maillet Lara , Paré Isabelle , Abou Malham Sabina , Touati Nassera 
Published: September 2016

AbstractIn Quebec, several primary care physicians have made the transition to the advanced access model to address the crisis of limited access to primary care. The objectives are to describe the implementation of the advanced access model, as perceived by the first family physicians; to analyze the factors influencing the implementation of its principles; and to document the physicians' perceptions of its effects on their practice, colleagues and patients. Qualitative methods were used to explore, through semi‐structured interviews, the experiences of 21 family physicians who had made the transition to advanced access. Of the 21 physicians, 16 succeeded in adopting all five advanced access principles to varying degrees. Core implementation issues revolved around the dynamics of collaboration between physicians, nurses and other colleagues. Secretaries' functions, in particular, had to be expanded. Facilitating factors were mainly related to the physicians' leadership and the professional resources available in the organizations. Impediments related to resource availability and team functioning were also encountered. This is the first exploratory study to examine the factors influencing the adoption of the advanced access model conducted with early‐adopter family physicians. The lessons drawn will inform discussions on scaling up to other settings experiencing the same problems. Copyright © 2016 John Wiley & Sons, Ltd.
Molecular basis of antibody‐mediated neutralization and protection against flavivirus
Authors: Dai Lianpan , Wang Qihui , Qi Jianxun , Shi Yi , Yan Jinghua , Gao George F. 
Published: September 2016

AbstractAntibody‐mediated humoral immunity plays a pivotal role in flavivirus control. Neutralizing antibodies targeting viral envelope (E) protein, provide protection against flaviviruses in vivo but can also promote virus infection by antibody‐dependent enhancement when antibodies are weakly neutralizing or in subneutralizing concentrations. The molecular basis for antibody‐mediated virus neutralization can be revealed by structural studies of monoclonal antibodies complexed with the E protein or virion. In addition, the flavivirus non‐structural protein NS1 can also induce host antibody production, and some of these antibodies can provide protection against virus challenge. In this review, we summarize the known structures of flavivirus neutralizing or protective antibodies bound to their epitopes and describe the underlying molecular mechanisms. © 2016 IUBMB Life, 68(10):783–791, 2016
Triple Systems are Eulerian
Authors: Šajna Mateja , Wagner Andrew 
Published: September 2016

AbstractAn Euler tour of a hypergraph (also called a rank‐2 universal cycle or 1‐overlap cycle in the context of designs) is a closed walk that traverses every edge exactly once. In this paper, using a graph‐theoretic approach, we prove that every triple system with at least two triples is eulerian, that is, it admits an Euler tour. Horan and Hurlbert have previously shown that for every admissible order >3, there exists a Steiner triple system with an Euler tour, while Dewar and Stevens have proved that every cyclic Steiner triple system of order >3 and every cyclic twofold triple system admits an Euler tour.