bluuebunny/crossref_metadata_2025_split huggingface dataset:
Degradation of graft polymer and blend based on cellulose and poly(L‐lactide)
Authors: Dai Lin , Li Dan , He Jing 
Published: May 2013

ABSTRACTDegradable polymers were prepared by blending and graft polymerization of cellulose and poly(L‐lactide) (PLLA). The cellulose/poly(L‐lactide) blends and cellulose‐graft‐poly(L‐lactide) polymers were characterized by FTIR, NMR, DSC, and TGA. Wide‐angle X‐ray powder diffraction (WAXD) and degradation tests [by alkaline, phosphate‐buffered saline solution (PBS), and enzyme solution] showed changes in the crystalline structure as a result of degradation. The results indicated that blending and graft polymerization could affect crystallization of the polymers and promote the degradability. The polymers with low degree of crystallinity showed higher degradability. In contrast, enzyme, alkaline, and PBS degradated material decreased rate of polymers degradation. In addition, high levels of PLLA resulted in a decrease in degradation. © 2013 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 130: 2257–2264, 2013
Synthesis and Biological Evaluation of Pyrazoline Derivatives Bearing an Indole Moiety as New Antimicrobial Agents
Authors: Özdemir Ahmet , Altintop Mehlika Dilek , Kaplancıklı Zafer Asim , Turan‐Zitouni Gülhan , Karaca Hülya , Tunalı Yağmur 
Published: May 2013

Abstract1‐(p‐Methylphenyl)‐3,5‐diaryl‐2‐pyrazoline derivatives (2a–f) were synthesized via the treatment of 1‐(1H‐indol‐3‐yl)‐3‐aryl‐2‐propen‐1‐ones (1a–f) with p‐methylphenylhydrazine hydrochloride in hot acetic acid. The structures of these compounds were elucidated by IR, 1H NMR, and mass spectral data and elemental analysis. These compounds were investigated for their antimicrobial activity. Brine‐Shrimp lethality assay was carried out to determine the toxicity of the compounds. Compound 2e, which is the pyrazoline derivative bearing the 2,5‐dichlorophenyl moiety, can be identified as the most promising agent against Klebsiella pneumoniae (ATCC 13883) and Candida glabrata (ATCC 36583) due to its inhibitory effects on K. pneumoniae and C. glabrata with a MIC value of 100 µg/mL as a non‐toxic agent (LC50 > 1000 µg/mL).
Performance of Anti–Cyclic Citrullinated Peptide Assays Differs in Subjects at Increased Risk of Rheumatoid Arthritis and Subjects With Established Disease
Authors: Demoruelle M. Kristen , Parish Mark C. , Derber Lezlie A. , Kolfenbach Jason R. , Hughes‐Austin Jan M. , Weisman Michael H. , Gilliland William , Edison Jess D. , Buckner Jane H. , Mikuls Ted R. , O'Dell James R. , Keating Richard M. , Gregersen Peter K. , Norris Jill M. , Holers V. Michael , Deane Kevin D. 
Published: May 2013

ObjectiveTo compare the diagnostic accuracy and agreement of commonly available assays for anti–citrullinated protein antibodies in patients with established rheumatoid arthritis (RA) and subjects at increased risk of RA.MethodsTests for anti–cyclic citrullinated peptide (anti‐CCP) antibodies were performed using CCP2 IgG and CCP3.1 IgA/IgG enzyme‐linked immunosorbent assays in the following groups: probands with established RA (n = 340) from the Studies of the Etiology of Rheumatoid Arthritis (SERA) cohort and their first‐degree relatives (FDRs) without inflammatory arthritis (n = 681), Department of Defense Serum Repository (DoDSR) RA cases with pre–RA diagnosis samples (n = 83; 47 cases also had post–RA diagnosis samples), and blood donor and DoDSR control subjects (n = 283).ResultsIn patients with established RA, the CCP2 assay was more specific (99.2% versus 93.1%; P < 0.01) but less sensitive (58.7% versus 67.4%; P = 0.01) than the CCP3.1 assay; the specificity of the CCP3.1 assay increased to 97.2% when cutoff levels ≥3‐fold the standard level were considered. In all subjects, CCP3.1 assay positivity (using standard cutoff levels) was more prevalent. Among DoDSR cases, the CCP2 assay was more specific than the CCP3.1 for predicting a future diagnosis of RA, and higher CCP levels trended toward increasing specificity for the development of RA within 2 years. At standard cutoff levels, assay agreement was good in patients with established RA (κ = 0.76) but poor in FDRs without inflammatory arthritis (κ = 0.25).ConclusionAnti‐CCP assays differ to an extent that may be meaningful for diagnosing RA in patients with inflammatory arthritis and evaluating the natural history of RA development in subjects at risk of RA. The mechanisms underlying these differences in test performance need further investigation.
Low‐Background, Highly Sensitive DNA Biosensor by Using an Electrically Neutral Cobalt(II) Complex as the Redox Hybridization Indicator
Authors: Wang Qingxiang , Ding Yingtao , Wang Liheng , Ni Jiancong , Yu Zhanglong , Lin Haibin , Gao Feng 
Published: May 2013

AbstractAn electrically neutral cobalt complex, [Co(GA)2(phen)] (GA=glycollic acid, phen=1,10‐phenathroline), was synthesized and its interactions with double‐stranded DNA (dsDNA) were studied by using electrochemical methods on a glassy carbon electrode (GCE). We found that [Co(GA)2(phen)] could intercalate into the DNA duplex through the planar phen ligand with a high binding constant of 6.2(±0.2)×105 M−1. Surface studies showed that the cobalt complex could electrochemically accumulate within the modified dsDNA layer, rather than within the single‐stranded DNA (ssDNA) layer. Based on this feature, the complex was applied as a redox‐active hybridization indicator to detect 18‐base oligonucleotides from the CaMV35S promoter gene. This biosensor presented a very low background signal during hybridization detection and could realize the detection over a wide kinetic range from 1.0×10−14 M to 1.0×10−8 M, with a low detection limit of 2.0 fM towards the target sequences. The hybridization selectivity experiments further revealed that the complementary sequence, the one‐base‐mismatched sequence, and the non‐complementary sequence could be well‐distinguished by the cobalt‐complex‐based biosensor.
A novel phosphorescence sensor for Co2+ ion based on Mn‐doped ZnS quantum dots
Authors: Bian Wei , Ma Jing , Liu Qiaoling , Wei Yanli , Li Yingfu , Dong Chuan , Shuang Shaomin 
Published: May 2013

ABSTRACTN‐acetyl‐l‐cysteine‐capped Mn‐doped ZnS quantum dots (QDs) were prepared by hydrothermal methods. It could emit phosphorescence at 583 nm with the excitation wavelength at 315 nm. The phosphorescence intensity of QDs could be quenched dramatically by increasing the concentration of Co2+ ion. The novel phosphorescence sensor based on N‐acetyl‐l‐cysteine‐capped QDs was developed for detecting Co2+ ion with a linear dynamic range of 1.25 × 10–6–3.25 × 10–5 m. The limit of detection and RSD were 6.0 × 10–8 m and 2.3%, respectively. Interference experiments showed excellent selectivity over numerous cations such as alkali, alkaline earth and transitional metal ions. The possible quenching mechanism was also examined by phosphorescence decays. The proposed phosphorescence method was further applied to the trace determination of Co2+ ion in tap and pond water samples with recoveries of 97.75–103.32%. Copyright © 2013 John Wiley & Sons, Ltd.
Procedural modeling of trees based on convolution sums of divisor functions for real‐time virtual ecosystems
Authors: Kim Jinmo , Kim Daeyeoul , Cho Hyungje 
Published: May 2013

ABSTRACTThis study proposes a novel procedural modeling method using convolution sums of divisor functions to model a variety of natural trees in a virtual ecosystem efficiently. The basic structure of the modeling method defines the growth grammar, including the branch propagation, a growth pattern of branches and leaves, and a process of growth deformation for various tree generation. Here, the proposed procedural method for trees is to utilize convolution sums of divisor functions as a novel approach. The structure of convolution sums has branch propagation of a uniform pattern, which is controllable, so that it is efficient for real‐time virtual ecosystem construction. Furthermore, it can process changes of environment factors or growth deformation for various and unique tree generation simply through the properties of divisor functions. Finally, an experiment is performed in order to evaluate our proposed modeling method whether it can generate natural and various tree models, and a real‐time virtual ecosystem of a large area where a variety of trees are presented using the modeling method can be constructed efficiently.Copyright © 2013 John Wiley & Sons, Ltd.
Attempts toward the Synthesis of the Peptaibol Antiamoebin by Using the ‘Azirine/Oxazolone Method’
Authors: Blaser Pia , Altherr Werner , Linden Anthony , Heimgartner Heinz 
Published: May 2013

AbstractThe two segments, 1–9 and 10–16, of the peptaibol antibiotic antiamoebin I, i.e., the nonapeptide Ac‐Phe‐Aib‐Aib‐Aib‐D,L‐Iva‐Gly‐Leu‐Aib‐Aib‐OH (15) and the heptapeptide Z‐Hyp‐Gln‐D,L‐Iva‐Hyp‐Aib‐Pro‐Pheol (34), have been prepared as mixtures of the epimers containing D,L‐Iva. All α,α‐disubstituted α‐amino acids were introduced by the ‘azirine/oxazolone method’, in which amino or peptide acids are coupled with the corresponding 2H‐azirin‐3‐amines, followed by selective hydrolysis of the terminal amide bond. The amino acids Hyp and Gln were introduced as Z‐protected4) (2S,4R)‐4‐(tert‐butoxy)proline (19) and methyl N‐[bis(4‐methoxyphenyl)methyl]glutamine (26). Coupling of peptide segments was achieved via the ‘mixed anhydride’ method, the DCC/HOBt or TBTU/HOBt strategy. The crystal structure of the segment 6–9 was determined by X‐ray crystallography and displayed the presence of a β‐turn conformation.
Spectroscopically Labeled Peptaibiotics. Synthesis and Properties of Selected Trichogin GA IV Analogs Bearing a Side‐Chain‐Monofluorinated Aromatic Amino Acid for19F‐NMR Analysis
Authors: Peggion Cristina , Biondi Barbara , Battistella Claudia , De Zotti Marta , Oancea Simona , Formaggio Fernando , Toniolo Claudio 
Published: May 2013

AbstractWe prepared by solid‐phase methods, chromatographically purified, and characterized three analogs of the ten‐amino acid‐residue, membrane‐active, lipopeptaibiotic trichogin GA IV, each containing a single (4‐fluorophenyl)alanine in position 3, 7, or 10, where it replaces the hydrophobic residue Leu3, Leu7, or Ile10, respectively. We incorporated the fluorine probe based on the observation that the19F‐NMR technique has been extensively utilized to analyze peptidemembrane interactions in biological systems. A detailed conformational investigation in solution, including a membrane‐mimetic environment, was performed on these compounds using FT‐IR absorption, CD, and 2D‐NMR, combined with molecular‐dynamics calculations. The experimentally observed, mixed310/α‐helical structures unequivocally show that the principal conformational features of trichogin GA IV are preserved in all three analogs. Analogies and differences between the behavior of the natural lipopeptaibiotic and those of the peptides characterized by the side‐chain monofluorinated aromatic amino acid were found in membrane‐permeabilization experiments and antimicrobial assays. The results of a preliminary solution19F‐NMR study support the view that the19F label is an excellent reporter for changes in the helical environment of the peptide.
Electrocatalytic Reduction of Nitrate on a Pt Electrode Modified by p‐Block Metal Adatoms in Acid Solution
Authors: Yang Jian , Calle‐Vallejo Federico , Duca Matteo , Koper Marc T. M. 
Published: May 2013

AbstractNitrate reduction was investigated on a polycrystalline Pt electrode modified with p‐block metals, such as indium, gallium, thallium, tin, lead, arsenic, antimony, bismuth, zinc, and cadmium, in both perchloric and sulfuric acid solution. Online electrochemical mass spectrometry was applied to detect volatile products on the electrode surface. In perchloric acid, tin, cadmium, indium, and gallium were found as active promoters for nitrate reduction, and N2O was detected as the main product for cadmium‐ and indium‐modified Pt electrode, whereas the tin‐modified electrode produced both NO and N2O. Lead cations inhibited nitrate reduction, but N2O was still formed selectively. In sulfuric acid, tin was an active promoter and showed the same coverage dependence for the product distribution as was reported previously for perchloric acid. Thallium performed similarly to germanium in that both metal cations only promoted nitrate reduction in sulfuric acid but not in perchloric acid, which could be attributed to their effect on disordering the bisulfate adsorption on Pt to recover active sites for nitrate reduction. Arsenic, antimony, and bismuth exhibited a similar effect on nitrate reduction on Pt sites in both acid electrolytes; they inhibited nitrate reduction on free Pt sites in the low‐potential range. Among the p‐block metals that were investigated, tin was the most active promoter for nitrate reduction, considering both the anion effect and the product distribution. DFT calculations were performed to gain insight into the promoting role of the two most active promoters, tin and indium.
Ag/AgBr‐Grafted Graphite‐like Carbon Nitride with Enhanced Plasmonic Photocatalytic Activity under Visible Light
Authors: Xu Yang‐Sen , Zhang Wei‐De 
Published: May 2013

AbstractAg/AgBr‐grafted graphite‐like carbon nitride (g‐C3N4) is fabricated by the in situ photoreduction of AgBr/g‐C3N4 hybrids prepared by a deposition–precipitation method. The Ag/AgBr/g‐C3N4 hybrids exhibit a strong absorbance in the visible and near‐IR region because of the surface plasmon resonance absorption of Ag nanocrystals. Compared with bare g‐C3N4 and Ag/AgBr nanoparticles, a 28‐fold and six‐fold enhancement in the degradation rate of rhodamine B is observed over Ag/AgBr/g‐C3N4 hybrids under visible‐light irradiation, respectively. The immense enhancement of the photocatalytic activity is attributed to the extended absorption in the visible‐light region, effective charge separation, and synergistic enhancement in the ternary Ag/AgBr/g‐C3N4 system. Moreover, the composite can be reclaimed easily by sedimentation without any decrease of its photocatalytic activity. This study provides new insight into the fabrication of highly efficient and stable g‐C3N4‐based plasmonic photocatalysts and facilitates their practical application to solve environmental issues.
Shape‐Persistent (Pt‐salphen)2 Phosphorescent Coordination Frameworks: Structural Insights and Selective Perturbations
Authors: Guo Zhengqing , Yiu Shek‐Man , Chan Michael C. W. 
Published: May 2013

AbstractThe development of molecular frameworks derived from binuclear platinum(II) aromatic Schiff base (salphen) complexes and their supramolecular chemistry have been undertaken. A series of axially rotating (Pt‐salphen)2 luminophores, tethered in a cofacial manner by a rigid linker (xanthene, 1; dibenzofuran, 2; biphenylene, 3), was synthesized in which the O(salphen) groups are potentially amenable for guest‐binding. The molecular structures of 1 and 3 have been determined by X‐ray crystallography, revealing intra‐ and intermolecular π‐stacking interactions, as well as contrasting syn (1) and anti (3) configurations, for the (Pt‐salphen)2 moiety. All complexes are luminescent in solution at room temperature. Their photophysical and solvatochromic properties have been examined, and the emissions are assigned to mixed triplet O(p)/Pt(d)→π*(diimine) excited states. The red‐shifted fluid emissions and lower quantum yields of 1 and 3, relative to 2, are ascribed to enhanced intramolecular π‐stacking interactions. Photophysical changes and selective responses to metal ions (particularly Pb2+) have been investigated by using various spectroscopic methods and DFT calculations, and through comparative studies with control complexes. A plausible binding mechanism is proposed based on occupation of the O(salphen)‐binding cavity, which induces perturbation of intramolecular π–π interactions, and hence the self‐quenching and emission properties, of the (Pt‐salphen)2 unit.
ChemInform Abstract: Effect of Cation Ordering on the Electronic and Lattice Dynamic Properties of Ag2CdGeS4 Polytypes: First‐Principle Calculation.
Authors: Wei Lei , Fan Weiliu , Li Yanlu , Zhao Xian , Yang Lei 
Published: May 2013

AbstractTheoretical results obtained for three Ag2CdGeS4 polytypes (two of space group Pna21, one of Pmn21) show the effects of cation arrangement on the electronic and lattice dynamic properties such as bonding strength, band structure, and IR spectrum.
ChemInform Abstract: Photochemical Reductive Elimination of [PtIV(NH3)4(NH2)Cl] 2+: Photogeneration of Hydrazine.
Authors: Kunkely Horst , Vogler Arnd 
Published: May 2013

AbstractHydrazine and [PtII(NH3)3Cl]+ are generated by photochemical reductive elimination of [PtIV(NH3)4(NH2)Cl]2+ (white light irradiation, λ < 250 nm).
ChemInform Abstract: Molten Salt Flux Synthesis and Crystal Structure of a New Open‐Framework Uranyl Phosphate Cs3(UO2)2(PO4)O2: Spectroscopic Characterization and Cationic Mobility Studies.
Authors: Yagoubi S. , Renard C. , Abraham F. , Obbade S. 
Published: May 2013

AbstractYellow single crystals of Cs3(UO2)2(PO4)O2 are prepared by flux melting of the precursor (UO2)3(PO4)2 (H2O)4 using excess CsI as fluxing agent (Pt crucible, 750 °C, 10 h; 7 °C/h cooling rate).
ChemInform Abstract: B‐Site Deficiencies in A‐Site‐Ordered Perovskite LaCu3Pt3.75O12.
Authors: Yamada Ikuya , et al. et al. 
Published: May 2013

AbstractThe new A‐site ordered title perovskite (space group Im$\bar 3$) is synthesized by replacing Ca2+ with La3+ in the recently reported perovskite CaCu3Pt4O12 under high‐pressure and high‐temperature conditions of 15 GPa and 1100 °C.
ChemInform Abstract: Preparation of Recoverable Pd Catalysts for Carbonylative Cross‐Coupling and Hydrogenation Reactions.
Authors: Niu Jian‐Rui , Huo Xing , Zhang Feng‐Wei , Wang Hai‐Bo , Zhao Ping , Hu Wu‐Quan , Ma Jiantai , Li Rong 
Published: May 2013

AbstractThe catalyst can be easily recycled using a magnet and reused for further transformations.
ChemInform Abstract: Pd(II)‐Catalyzed Highly Regio‐ and Stereoselective Assembly of C—C Double Bonds: An Efficient Method for the Synthesis of 2,4‐Dihalo‐1,3,5‐trienes from Alkynols.
Authors: Jiang Huanfeng , Gao Yang , Wu Wanqing , Huang Yubing 
Published: May 2013

AbstractThe conversion of tert‐propargylic alcohols (I) into trienes (II) and (IV) proceeds with high stereoselectivity, whilst mixtures of isomers (VI) and (VII)/(VIII) are obtained from alcohols (V).
ChemInform Abstract: Nitroalkenes as Carbonyl Surrogates in Arylmethyl‐homoallylic Alcohol Forming One‐Pot Allylation Reactions in Water.
Authors: Lin Mei‐Huey , Lin Wei‐Cheng , Liu Han‐Jun , Chuang Tsung‐Hsun 
Published: May 2013

AbstractThe reaction is proposed to proceed via initial generation of a nitrostyrene radical anion by SET from tin followed by bisprotonation leading to a nitronic acid.
ChemInform Abstract: Samarium Diiodide Promoted Reduction of 3,6‐Dihydro‐2H‐1,2‐oxazines: Competition of 1,4‐Amino Alcohol Formation and Ring Contraction to Pyrrole Derivatives.
Authors: Jasinski Marcin , Watanabe Toshiko , Reissig Hans‐Ulrich 
Published: May 2013

AbstractThe title reaction provides enantiopure 1,4‐amino alcohols [(II), (V)‐(IX)].
ChemInform Abstract: Chemoselective Amide Formation Using O‐(4‐Nitrophenyl)hydroxylamines and Pyruvic Acid Derivatives.
Authors: Kumar Sonali , Sharma Rashi , Garcia Megan , Kamel Joseph , McCarthy Caroline , Muth Aaron , Phanstiel Otto IV 
Published: May 2013

AbstractThe reaction allows an efficient access to amides.
ChemInform Abstract: Fluorinated 5‐ and 7‐Membered Carbacycle Motifs by Reaction of Difluorocarbene with Acetylene Ethers.
Authors: Chia Poh Wai , Bello Davide , Slawin Alexandra M. Z. , O'Hagan David 
Published: May 2013

AbstractThe reaction of acetylene ethers (I) with trimethyl(trifluoromethyl)silane leads to a mixture of cyclohepta‐1,4‐dienes (III) and bicyclo[2.1.1]hex‐2‐enes (IV).
ChemInform Abstract: Sterically Controlled Alkylation of Arenes Through Iridium‐Catalyzed C—H Borylation.
Authors: Robbins Daniel W. , Hartwig John F. 
Published: May 2013

AbstractThis publication describes the site‐selective alkylation, allylation, and benzylation of arenes via in‐situ‐generated aryl pinacol boronates.
ChemInform Abstract: A New Recoverable Au(III) Catalyst Supported on Magnetic Polymer Nanocomposite for Aromatic Bromination.
Authors: Li Bai , Gao Linfeng , Bian Fengling , Yu Wei 
Published: May 2013

AbstractThe catalyst (I) can be used for the halogenation process with an activity that is comparable to homogeneous AuCl3.
ChemInform Abstract: Copper‐Catalyzed Cross‐Coupling of Arenediazonium Tetrafluoroborates with Polyfluoroarenes.
Authors: Zhu Xingyi , Li Feng , Su Weike 
Published: May 2013

AbstractUnder conditions A), the title reaction allows the preparation of a broad spectrum of synthetically and pharmaceutically important fluorinated biphenyls.
ChemInform Abstract: Electrogenerated N‐Heterocyclic Carbenes in the Room Temperature Parent Ionic Liquid as an Efficient Medium for Transesterification/Acylation Reactions.
Authors: Chiarotto Isabella , Feroci Marta , Sotgiu Giovanni , Inesi Achille 
Published: May 2013

AbstractAn efficient transesterification reaction is carried out in [bmim]BF4 ionic liquid which is electrogenerated acting as efficient NHC catalyst as well.
ChemInform Abstract: Nickel‐Catalyzed C—F Bond Activation and Alkylation of Polyfluoroaryl Imines.
Authors: Yang Xiuxiu , Sun Hongjian , Zhang Shumiao , Li Xiaoyan 
Published: May 2013

AbstractThe Ni‐catalyzed cross‐coupling reaction of polyfluoroaryl imines (I), (V) and (VIII) with ZnMe2 (II) is described.
ChemInform Abstract: One‐Pot Synthesis of Symmetrical Diaryl Trithiocarbonates Through Copper‐Catalyzed Coupling of Aryl Compounds, Sodium Sulfide, and Carbon Disulfide.
Authors: Gholinejad Mohammad 
Published: May 2013

AbstractThis method allows the synthesis of symmetrical diaryl trithiocarbonates without the use of highly toxic thiophosgene.
ChemInform Abstract: Regioselective Radical Arylation of Anilines with Arylhydrazines.
Authors: Jasch Hannelore , Scheumann Julia , Heinrich Markus R. 
Published: May 2013

AbstractTreatment of anilines with aromatic hydrazines in the presence of MnO2 provides a new and highly regioselective approach to 2‐aminobiphenyls.
ChemInform Abstract: Four‐Coordinate Pd(II) Complexes Containing Non‐Symmetric Phosphorus Ylides: Synthesis, Characterization, and Catalytic Behavior Towards Suzuki Reaction.
Authors: Sabounchei Seyyed Javad , Panahimehr Mohammad , Ahmadi Mohsen , Nasri Zahra , Khavasi Hamid Reza 
Published: May 2013

AbstractOne of the newly synthesized complexes is applied in the Suzuki‐cross‐coupling reaction affording biaryls (III) in good to excellent yields.
ChemInform Abstract: Recyclable Palladium(II) Imino‐Pyridine Complex Immobilized on Mesoporous Silica as a Highly Active and Recoverable Catalyst for Suzuki—Miyaura Coupling Reactions in Aqueous Medium.
Authors: Zhang Qiang , Su Hong , Luo Jun , Wei Yunyang 
Published: May 2013

AbstractTosyl, mesyl as well as chloro leaving groups are not applicable.
ChemInform Abstract: Ultrasound‐Assisted Synthesis of Benzophenones by Stille Cross‐Coupling Reactions. Optimization via Experimental Design.
Authors: Luong Martin , Domini Claudia E. , Silbestri Gustavo F. , Chopa Alicia B. 
Published: May 2013

AbstractA series of diaryl ketones (III) is synthesized through the selective cross‐coupling reaction of benzoyl chlorides (II) with arylstannanes (I).
ChemInform Abstract: Iron‐Catalyzed C—C Bond Cleavage and C—N Bond Formation.
Authors: Li Wenjuan , Zheng Xiaojian , Li Zhiping 
Published: May 2013

AbstractAnilines and sulfonamides react smoothly with diphenylpropane‐1,3‐diones to afford the corresponding N‐alkylation products, wherein the 1,3‐dicarbonyl group acts as a leaving group.
ChemInform Abstract: Palladium‐Catalyzed Direct Oxidative ortho‐Acylation of Anilides with Toluene Derivatives.
Authors: Weng Jianquan , Yu Zhiqin , Liu Xinghai , Zhang Guofu 
Published: May 2013

AbstractThe novel process uses simple methylarenes as acylating reagents to provide various o‐amido‐substituted diarylketones as important synthons for pharmaceutical and material chemistry.