bluuebunny/crossref_metadata_2025_split huggingface dataset:
Computational fluid dynamic characterization of carotid bifurcation stenosis in patient‐based geometries
Authors: Schirmer Clemens M. , Malek Adel M. 
Published: January 2012

AbstractHemodynamic forces play a role in determining endothelial cell (EC) phenotype and influence vascular remodeling. We present a lesion‐based computational fluid dynamic (CFD) pilot analysis to understand the complex spatial and temporal hemodynamic changes that prevail in patients with high‐grade carotid artery stenosis (CS). High‐resolution three‐dimensional (3D) rotational angiography datasets were acquired in eight patients, and used to generate computational meshes. CFD analysis was carried out implementing realistic shear‐dependent viscosity for blood. The mean wall shear stress (WSS) within the stenosis region was 107 ± 73 dyn/cm2 rapidly followed by direction reversal and lower oscillating values in the recirculation zone at a mean of 19 ± 14 dyn/cm2. WSS vectors exhibited complex dynamic directional and amplitude oscillations not seen in healthy segments, along with time‐dependent convergence and divergence strips during the cardiac cycle. The spatial gradient of WSS revealed an elevated average magnitude at the throat of the stenosis of 1425 ± 1012 dyn/cm3. In conclusion, patient‐based CFD analysis of CS predicts a complex hemodynamic environment with large spatial WSS variations that occur very rapidly over short distances. Our results improve estimates of the flow changes and forces at the vessel wall in CS and the link between hemodynamic changes and stenosis pathophysiology.
Inclusion bodies of fuculose‐1‐phosphate aldolase as stable and reusable biocatalysts
Authors: Sans Cristina , García‐Fruitós Elena , Ferraz Rosa M. , González‐Montalbán Núria , Rinas Ursula , López‐Santín Josep , Villaverde Antonio , Álvaro Gregorio 
Published: January 2012

AbstractFuculose‐1‐phosphate aldolase (FucA) has been produced in Escherichia coli as active inclusion bodies (IBs) in batch cultures. The activity of insoluble FucA has been modulated by a proper selection of producing strain, culture media, and process conditions. In some cases, when an optimized defined medium was used, FucA IBs were more active (in terms of specific activity) than the soluble protein version obtained in the same process with a conventional defined medium, supporting the concept that solubility and conformational quality are independent protein parameters. FucA IBs have been tested as biocatalysts, either directly or immobilized into Lentikat® beads, in an aldolic reaction between DHAP and (S)‐Cbz‐alaninal, obtaining product yields ranging from 65 to 76%. The production of an active aldolase as IBs, the possibility of tailoring IBs properties by both genetic and process approaches, and the reusability of IBs by further entrapment in appropriate matrices fully support the principle of using self‐assembled enzymatic clusters as tunable mechanically stable and functional biocatalysts. © 2012 American Institute of Chemical Engineers Biotechnol. Prog., 2012
President's page
Authors: Sonnenwald Diane H. 
Published: January 2012

AbstractEditor's SummaryIn her address starting her term as ASIS&T president in October 2011, Diane Sonnenwald exhorted the leadership and membership to consider the implications of the name of the organization, the American Society for Information Science and Technology, and encouraged moving beyond a national focus. With a global perspective, Sonnenwald pointed out the North American bias that runs through much of the organization's practices, communications, bylaws and awards. The effect presents obstacles to international networking and limits full participation in the association's opportunities. Removing these barriers to participation will promote greater visibility for the discipline worldwide and enable it to gain the recognition it warrants. Sonnenwald encouraged practical thinking beyond past practices to strengthen outreach locally and build it internationally.
Managing your medical data
Authors: Johnson Charlene , Swain Deborah E. 
Published: January 2012

AbstractEditor's SummaryThe burgeoning use of electronic health records and databases to collect personal medical information starts with trust that the information will be kept confidential and used to improve medical knowledge and care. With decades of patient information, the Veterans Administration (VA) has been at the forefront of adopting online health informatics tools and working to develop patient trust, support and engagement. Using the VA's My HealtheVet online health tool, registered patients can access, review and update their online health records and interact with care providers in real time for telemedicine and secure messaging. Additional support is provided through the links and connections that enable vets to participate in a community of practice geared toward healthcare data management. The interactive social technology of Web 2.0 enables the collection of stores of personal medical data, but the program depends on patients' active participation in their health knowledge management.
Optical Antenna for Photofunctional Molecular Systems
Authors: Ikeda Katsuyoshi , Uosaki Kohei 
Published: January 2012

AbstractOptical antennas can enhance the efficiency of photon–molecule interactions. To design efficient antenna structures, it is essential to consider physicochemical aspects in addition to electromagnetic considerations. Specifically, chemical interactions between optical antennas and molecules have to be controlled to enhance the overall efficiency. For this purpose, sphere–plane nanostructures are suitable optical antennas for molecular‐modified functional electrode systems when a well‐defined electrode is utilized as a platform.
Elements of Metabolic Evolution
Authors: Huber Claudia , Kraus Florian , Hanzlik Marianne , Eisenreich Wolfgang , Wächtershäuser Günter 
Published: January 2012

AbstractResearch into the origin of evolution is polarized between a genetics‐first approach, with its focus on polymer replication, and a metabolism‐first approach that takes aim at chemical reaction cycles. Taking the latter approach, we explored reductive carbon fixation in a volcanic hydrothermal setting, driven by the chemical potential of quenched volcanic fluids for converting volcanic C1 compounds into organic products by transition‐metal catalysts. These catalysts are assumed to evolve by accepting ever‐new organic products as ligands for enhancing their catalytic power, which in turn enhances the rates of synthetic pathways that give rise to ever‐new organic products, with the overall effect of a self‐expanding metabolism. We established HCN, CO, and CH3SH as carbon nutrients, CO and H2 as reductants, and iron‐group transition metals as catalysts. In one case, we employed the “cyano‐system” [Ni(OH)(CN)] with [Ni(CN)4]2− as the dominant nickel–cyano species. This reaction mainly produced α‐amino acids and α‐hydroxy acids as well as various intermediates and derivatives. An organo‐metal‐catalyzed mechanism is suggested that mainly builds carbon skeletons by repeated cyano insertions, with minor CO insertions in the presence of CO. The formation of elemental nickel (Ni0) points to an active reduced‐nickel species. In another case, we employed the mercapto–carbonyl system [Co2(CO)8]/Ca(OH)2/CO for the double‐carbonylation of mercaptans. In a “hybrid system”, we combined benzyl mercaptan with the cyano system, in which [Ni(OH)(CN)] was the most productive for the double‐carbon‐fixation reaction. Finally, we demonstrated that the addition of products of the cyano system (Gly, Ala) to the hybrid system increased productivity. These results demonstrate the chemical possibility of metabolic evolution through rate‐promotion of one synthetic reaction by the products of another.
ChemInform Abstract: Bi2Ti2O7: It Is Not What You Have Read.
Authors: Esquivel‐Elizondo J. Roberto , Hinojosa Beverly Brooks , Nino Juan C. 
Published: January 2012

AbstractDense phase pure Bi2Ti2O7 polycrystalline ceramic pellets are prepared by coprecipitation from acetic acid solutions of Bi(NO3)3, Ti(OiPr)4, and NH4OH followed by calcination at 550 °C for 16 h, and microwave sintering at 1200 °C for 45 min.
ChemInform Abstract: Self‐Stacked Co3O4 Nanosheets for High‐Performance Lithium Ion Batteries.
Authors: Wang Xi , Guan Hasigaowa , Chen Shimou , Li Huiqiao , Zhai Tianyou , Tang Daiming , Bando Yoshio , Golberg Dmitri 
Published: January 2012

AbstractSelf‐stacked Co3O4 nanosheets separated by carbon layers are synthesized from a mixture of Co(OAc)2 and poly(vinylpyrrolidone) (PVP) in a mixture of ethylene glycol and water (autoclave, 180—200 °C, 12‐24 h).
ChemInform Abstract: Crystal Structures of the Novel Hydrated Borates Ba2B5O9(OH), Sr2B5O9(OH) and Li2Sr8B22O41(OH)2.
Authors: McMillen Colin , Heyward Carla , Giesber Henry , Kolis Joseph 
Published: January 2012

AbstractThe structures of (III) and (VI) are determined by single crystal XRD.
ChemInform Abstract: Solvothermal Synthesis of Two New Thioantimonates with Transition‐Metal Complexes [Co(dien)2]4[CoSb6S14] and [Co(dien)2]2[Sb4S9].
Authors: Liu Xing , Zhou Jian 
Published: January 2012

AbstractGreen crystals of [Co(dien)2]4[CoSb6S14] (I) (dien: diethylenetriamine) and yellow crystals of [Co(dien)2]2[Sb4S9] (II) are solvothermally synthesized from mixtures of Co, Sb, and S in dien (autoclave, 160 °C, 23 d).
ChemInform Abstract: A 48‐Metal Cluster Exhibiting a Large Magnetocaloric Effect.
Authors: Peng Jun‐Bo , Zhang Qian‐Chong , Kong Xiang‐Jian , Ren Yan‐Ping , Long La‐Sheng , Huang Rong‐Bin , Zheng Lan Sun , Zheng Zhiping 
Published: January 2012

Abstract[Gd36Ni12(OAc)18 (μ3‐OH)84(μ4‐O)6 (H2O)54(NO3)Cl2] (NO3) 6Cl9·30H2O is synthesized from a mixture of Gd(NO3)3, Ni(OAc)2, and NaCl in a 3:1 mixture of ethanol and water (reflux, 2 h, 35% yield).
ChemInform Abstract: Two Novel Polyoxotantalates Formed by Lindqvist‐Type Hexatantalate and Copper‐Amine Complexes.
Authors: Guo Gui‐Ling , Xu Yan‐Qing , Chen Bao‐Kuan , Lin Zheng‐Guo , Hu Chang‐Wen 
Published: January 2012

AbstractThe crystal structures of (III) and (V) are determined by single crystal XRD.
ChemInform Abstract: Application of Biocatalysis Towards Asymmetric Reduction and Hydrolytic Desymmetrization in the Synthesis of a β‐3 Receptor Agonist.
Authors: Badland Matthew , Burns Michael P. , Carroll Robert J. , Howard Roger M. , Laity Daniel , Wymer Nathan J. 
Published: January 2012

AbstractChemoenzymatic syntheses of key intermediates (II) and (VI) in the preparation of the potent β‐3 receptor agonist (VI) are described.
ChemInform Abstract: A Facile Preparation of Trisubstituted Amino‐furan and ‐thiophene Derivatives.
Authors: Medimagh Raouf , Marque Sylvain , Prim Damien , Chatti Saber 
Published: January 2012

AbstractThe title compounds are prepared under metal‐, acid‐ and base‐free conditions via regioselective alkylation of 5‐amino‐substituted furan‐ or thiophen‐2‐carbaldehydes with carbonyl compounds (II) at the 4‐position.
ChemInform Abstract: Gold/Copper‐Catalyzed Activation of the aci‐Form of Nitromethane in the Synthesis of Methylene‐Bridged Bis‐1,3‐dicarbonyl Compounds.
Authors: Balamurugan Rengarajan , Manojveer Seetharaman 
Published: January 2012

AbstractActivation of the aci‐form of nitromethane (II) using Lewis acids for the attack of carbon nucleophiles is studied.
ChemInform Abstract: Copper(II) Bromide as Efficient Catalyst for Silyl‐ to Bisarylmethyl Ethers Interconversion (Transprotection).
Authors: Specklin Simon , Gallier Florian , Mezaache Rofia , Harkat Hassina , Dembele Yenimegue Albert , Weibel Jean‐Marc , Blanc Aurelien , Pale Patrick 
Published: January 2012

AbstractThe method is completely selective since only ‐O‐silyl groups are affected, whereas various other protecting groups are compatible with the process.
ChemInform Abstract: A Novel Iodide‐Catalyzed Reduction of Nitroarenes with Aryl Ketones with H3PO2 or H3PO3: Its Application to the Synthesis of a Potential Anticancer Agent.
Authors: Wu George G. , Chen Frank X. , LaFrance Danny , Liu Zhijian , Greene Scott G. , Wong Yee‐Shing , Xie Ji 
Published: January 2012

AbstractThe method is effective to reduce various nitroaromatic compounds to the corresponding anilines.
ChemInform Abstract: Stereoselective Reduction of 2‐Hydroxy Ketones Towards syn‐ and anti‐1,2‐Diols.
Authors: Mueller Michael , et al. et al. 
Published: January 2012

AbstractThe anti‐diols are formed with <95% diastereoselectivity from hydroxyketones (I) using the known Zn(BH4)2 reagent.
ChemInform Abstract: L‐Proline/CoCl2‐Catalyzed Highly Diastereo‐ and Enantioselective Direct Aldol Reactions.
Authors: Karmakar Ananta , Maji Tapan , Wittmann Sebastian , Reiser Oliver 
Published: January 2012

AbstractThe catalytic system is excellent for direct aldol reactions of cyclic and acyclic ketones with aromatic and aliphatic aldehydes.
ChemInform Abstract: Ligand‐Promoted, Copper Nanoparticles Catalyzed Oxidation of Propargylic Alcohols with TBHP or Air as Oxidant.
Authors: Han Chengyan , Yu Min , Sun Weijiang , Yao Xiaoquan 
Published: January 2012

AbstractA broad spectrum of primary and secondary propargylic alcohols can be successfully oxidized following the conditions shown.
ChemInform Abstract: Rhenium‐Catalyzed Allylation of C—H Bonds of Benzoic and Acrylic Acids.
Authors: Kuninobu Yoichiro , Ohta Kazuhiro , Takai Kazuhiko 
Published: January 2012

AbstractThe allylation of aromatic and olefinic C—H bonds using a Rhenium complex is achieved.
ChemInform Abstract: A New Method for Aromatic Difluoromethylation: Copper‐Catalyzed Cross‐Coupling and Decarboxylation Sequence from Aryl Iodides.
Authors: Fujikawa Kenichi , Fujioka Yasutaka , Kobayashi Akira , Amii Hideki 
Published: January 2012

AbstractA wide range of aryl iodides is coupled with silanes (I) or (IV) in the presence of CuI.
ChemInform Abstract: Copper‐Mediated Cyanation of Aryl Halide with the Combined Cyanide Source.
Authors: Zhang Guoying , Ren Xinyi , Chen Jianbin , Hu Maolin , Cheng Jiang 
Published: January 2012

AbstractA wide range of aromatic nitriles is prepared from aryl iodides and DMF as a cyanide source.
ChemInform Abstract: A Novel Method for Preparing Isocyanides from N‐Substituted Formamides with Chlorophosphate Compounds.
Authors: Kobayashi Genki , Saito Tateo , Kitano Yoshikazu 
Published: January 2012

AbstractOptimized conditions A)‐D) are elaborated for the formation of aliphatic or aromatic isocyanides, which are formed with similar yields in all procedures.
ChemInform Abstract: Two Metal—Organic Frameworks Based on a Double Azolium Derivative: Post‐Modification and Catalytic Activity.
Authors: Kong Guo‐Qiang , Xu Xuan , Zou Chao , Wu Chuan‐De 
Published: January 2012

AbstractA new bifunctional aromatic azolium derivative is designed and synthesized, which is used to construct two MOF′s containing imidazolium moieties.
ChemInform Abstract: Highly Regio‐ and Stereoselective Synthesis of 1,3‐Enynes from Unactivated Ethylenes via Palladium‐Catalyzed Cross‐Coupling.
Authors: Wen Yanmei , Wang Azhong , Jiang Huanfeng , Zhu Shifa , Huang Liangbin 
Published: January 2012

AbstractOptimized conditions are developed which allow the preparation of the desired enynes with high or complete (E) selectivity in the absence of any ligand or additive.
ChemInform Abstract: Ruthenium‐Catalyzed Cyclization/Transfer Hydrogenation of 1,6‐Diynes: Unprecedented Mode of Alcohol Activation via Metallacyclopentatriene.
Authors: Yamashita Ken , Nagashima Yuki , Yamamoto Yoshihiko , Nishiyama Hisao 
Published: January 2012

AbstractThe first transfer‐hydrogenative cyclization of 1,6‐diynes furnishing exocyclic dienes is developed using a Ru‐catalyst and MeOH as H2 surrogate.
ChemInform Abstract: Suzuki—Miyaura Cross‐Coupling of Heteroaryl Halides and Arylboronic Acids in Continuous Flow.
Authors: Noel Timothy , Musacchio Andrew J. 
Published: January 2012

AbstractThe reaction is applied to a wide range of heteroaromatic chlorides, bromides and triflates and aromatic and heteroaromatic boronic acids.
ChemInform Abstract: Ultrasonic‐Assisted Synthesis of 1,3‐Diaryl‐2,2‐dichloroaziridine Derivatives in the Presence of Phase‐Transfer Catalyst under Low‐Concentration Alkaline Conditions.
Authors: Naeimi Hossein , Rabiei Khadijeh 
Published: January 2012

AbstractThe new protocol allows for a fast and simple preparation of dichloroaziridines (III), which are obtained in excellent yields and with high purity.
ChemInform Abstract: Isothiourea‐Catalyzed Asymmetric C‐Acylation of Silyl Ketene Acetals.
Authors: Woods Philip A. , Morrill Louis C. , Bragg Ryan A. , Smith Andrew D. 
Published: January 2012

AbstractChiral isothioureas (I) afford the corresponding furanones in good yields with moderate to excellent enantioselectivities.
ChemInform Abstract: Tyrosyl‐tRNA Synthetase Inhibitors as Antibacterial Agents: Synthesis, Molecular Docking and Structure—Activity Relationship Analysis of 3‐Aryl‐4‐arylaminofuran‐2(5H)‐ones.
Authors: Xiao Zhu‐Ping , et al. et al. 
Published: January 2012

AbstractThe synthesis of novel 3‐aryl‐4‐arylaminofuran‐2(5H)‐ones (III), their testing for inhibitory activity against tyrosyl‐tRNA synthetase, and an antibacterial assay are described.
ChemInform Abstract: A NHC‐Involved, Cascade, Metal‐Free, and Three‐Component Synthesis of 2,3‐Diarylated Fully Substituted Furans under Solvent‐Free Conditions.
Authors: Yu Chenxia , Lu Jun , Li Tuanjie , Wang Donglin , Qin Binbin , Zhang Honghong , Yao Changsheng 
Published: January 2012

AbstractA sequence of Knoevenagel reaction, NHC‐catalyzed Stetter reaction, and intramolecular cyclization is efficiently achieved.
ChemInform Abstract: Efficient Synthesis of Benzofuranones: N‐Heterocyclic Carbene (NHC)/Base‐Catalyzed Hydroacylation—Stetter—Rearrangement Cascade.
Authors: Padmanaban Mohan , Biju Akkattu T. , Glorius Frank 
Published: January 2012

AbstractThe reaction proceeds via a chromanone intermediate which rearranges to the desired benzofuran skeleton.
ChemInform Abstract: Palladium‐Catalyzed Regioselective C—S Bond Cleavage of Thiophenes.
Authors: Huang Huanan , Li Jing , Lescop Christophe , Duan Zheng 
Published: January 2012

AbstractThe reaction of benzothiophenes and thiophenes with symmetrical diarylacetylenes leads to the cleavage of C—Br and C—S bonds and C—H activation in one pot.
ChemInform Abstract: Proximal Ester Assistance vs. Stereoelectronic Prohibition in Catalytic N‐Acyliminium Ion Reactions: Stereoselective Formation of Aza‐Heterocycles with Two Contiguous Quaternary‐Tertiary Stereocenters.
Authors: Saber Moussa , Comesse Sebastien , Dalla Vincent , Netchitailo Pierre , Daich Adam 
Published: January 2012

AbstractThe intermolecular and intramolecular α‐amidoalkylation of hemicyclic N,O‐acetals proceeds in the presence of NHTf2.
ChemInform Abstract: New Heteroannulation Reactions of N‐Alkoxybenzamides by Pd(II) Catalyzed C—H Activation.
Authors: Wrigglesworth Joe W. , Cox Brian , Lloyd‐Jones Guy C. , Booker‐Milburn Kevin I. 
Published: January 2012

AbstractThe reaction of N‐methoxybenzamides with terminal alkenes according to A) leads to alkylidene isoindolinones with complete (E)‐selectivity and regioselectivity.
ChemInform Abstract: Palladium‐Catalyzed Aryl Iodide Carbonylation as a Route to Imidazoline Synthesis: Design of a Five‐Component Coupling Reaction.
Authors: Bontemps Sebastien , Quesnel Jeffrey S. , Worrall Kraig , Arndtsen Bruce A. 
Published: January 2012

AbstractVarious imidazolines (IV) are directly synthesized by the new multicomponent reaction.
ChemInform Abstract: Asymmetric Alkylation of 5‐Alkyl‐2‐aminothiazolones Using a C2‐Symmetric Chiral Tetraamine Base.
Authors: Frizzle Matthew J. , Nani Roger R. , Martinelli Michael J. , Moniz George A. 
Published: January 2012

AbstractThe dilithiated amine CDA is found to control the regio‐ and stereoselectivity of the title reaction.
ChemInform Abstract: Palladium(II)‐Catalyzed Oxidative Heck Coupling of Thiazole‐4‐carboxylates.
Authors: Li Ziyuan , Ma Ling , Tang Changhua , Xu Jinyi , Wu Xiaoming , Yao Hequan 
Published: January 2012

AbstractA general protocol is developed for the synthesis of the desired alkenylation products.
ChemInform Abstract: Ligand‐Free Copper‐Catalyzed Regioselective C‐2 Arylation of Imidazo[2,1‐b]thiazoles.
Authors: Huang Guoli , Sun Hongsheng , Qiu Xiaojie , Jin Can , Lin Chen , Shen Yingzhong , Jiang Juli , Wang Leyong 
Published: January 2012

Abstract3,6‐Disubstituted imidazo[2,1‐b]thiazoles (22 examples) are arylated selectively at the C‐2 position.
ChemInform Abstract: Alkynylation of Benzotriazole with Silylethynyliodonium Triflates. Regioselective Synthesis of 2‐Ethynyl‐2H‐benzotriazole Derivatives.
Authors: Kitamura Tsugio , Morshed Mohammad Hasan , Tsukada Satoru , Miyazaki Yuki , Iguchi Naomi , Inoue Daisuke 
Published: January 2012

AbstractBenzotriazole undergoes new regioselective alkynylation with silylethynyliodonium triflates to afford benzotriazoles (IIIa) and (IIIb).
ChemInform Abstract: Formal Diels—Alder Reactions of Chalcones and Formylcyclopropanes Catalyzed by Chiral N‐Heterocyclic Carbenes.
Authors: Lv Hui , Mo Junming , Fang Xinqiang , Chi Yonggui Robin 
Published: January 2012

AbstractThe reaction proceeds with complete enantioselectivity.
ChemInform Abstract: Convenient Synthesis of 3‐Vinyl and 3‐Styryl Coumarins.
Authors: Gordo Joana , Avo Joao , Parola A. Jorge , Lima Joao C. , Pereira Antonio , Branco Paula S. 
Published: January 2012

AbstractThe reaction of 2‐hydroxyaldehydes with 3‐butenoic acid proceeds best via 3 steps in a one‐pot manner to afford 3‐vinylcoumarins.
ChemInform Abstract: Efficient Assembly of Chromone Skeleton from 2,3‐Allenoic Acids and Benzynes.
Authors: Chai Guobi , Qiu Youai , Fu Chunling , Ma Shengming 
Published: January 2012

AbstractA variety of di‐ and trisubstituted allenoic acids and various benzyne precursors lead unexpectedly to polysubstituted chromone derivatives.
ChemInform Abstract: Switching the Reactivity of Dihydrothiopyran‐4‐one with Aldehydes by Aqueous Organocatalysis: Baylis—Hillman, Aldol, or Aldol Condensation Reactions.
Authors: Abaee M. Saeed , Mojtahedi Mohammad M. , Pasha Ghasem F. , Akbarzadeh Elahe , Shockravi Abbas , Mesbah A. Wahid , Massa Werner 
Published: January 2012

AbstractBaylis—Hillman reaction of enone (I) with aromatic aldehydes takes place when DBU is used as a base.
ChemInform Abstract: Synthesis of 6‐Substituted‐4‐hydroxy‐2‐pyridinones via Intramolecular Ketene Trapping of Functionalized Enamine‐Dioxinones.
Authors: Patel Bhavesh H. , Mason Andrew M. , Barrett Anthony G. M. 
Published: January 2012

AbstractThe method is based on enamine formation from substrates (I), followed by thermolytic generation of the intermediate enamine‐acyl‐ketene.
ChemInform Abstract: Copper‐Catalyzed Coupling of Oxime Acetates with Aldehydes: A New Strategy for Synthesis of Pyridines.
Authors: Ren Zhi‐Hui , Zhang Zhi‐Yuan , Yang Bing‐Qin , Wang Yao‐Yu , Guan Zheng‐Hui 
Published: January 2012

AbstractA wide range of triarylsubstituted pyridine derivatives and fused pentacyclic products is prepared.
ChemInform Abstract: Palladium‐Catalyzed One‐Pot Synthesis of Pyrrole‐Annulated Coumarin, Quinolone, and 7‐Aza‐Indole Derivatives.
Authors: Majumdar K. C. , Ganai Sintu , Chattopadhyay Buddhadeb , Ray Krishanu 
Published: January 2012

AbstractPotentially bioactive heterocyclic structures of type (III), (V) and (VIII) are readily available under conditions A) or B) in the absence of any ligand or N‐protecting group.
ChemInform Abstract: Efficient, Single‐Step Access to Imidazo[1,5‐a]pyridine N‐Heterocyclic Carbene Precursors.
Authors: Hutt Johnathon T. , Aron Zachary D. 
Published: January 2012

AbstractA variety of imidazo[1,5‐a]pyridinium salts is prepared via reactions of picolinaldehyde (I) or its derivatives with amines and formaldehyde.
ChemInform Abstract: Synthesis of 2,3‐Dihydroquinazolin‐4(1H)‐ones Catalyzed by Zirconium (IV) Chloride as a Mild and Efficient Catalyst.
Authors: Abdollahi‐Alibeik Mohammad , Shabani Elahe 
Published: January 2012

AbstractThe purification of the products is simple and no undesirable side reactions take place.