bluuebunny/crossref_metadata_2025 huggingface dataset:
Exploring Pretreatment–Morphology Relationships: Ab Initio Wulff Construction for RuO2 Nanoparticles under Oxidising Conditions
Authors: Wang Tongyu , Jelic Jelena , Rosenthal Dirk , Reuter Karsten
Published: July 2013

We present a DFT‐based Wulff construction of the equilibrium shape of RuO2 particles in an oxygen environment. The obtained intricate variations in the crystal habit with the oxygen chemical potential allow for a detailed discussion of the dependence on the oxidising pretreatment used in recent powder catalyst studies. The analysis specifically indicates an incomplete particle shape equilibration in previously used low‐temperature calcination. Equilibrated particles could be active CO oxidation catalysts with long‐term stability in oxidising feed and then represent an interesting alternative to the previously suggested core–shell concept.
ChemInform Abstract: K and Ba Distribution in the Structures of the Clathrate Compounds KxBa16‐x(Ga,Sn)136 (x = 0.8, 4.4, and 12.9) and KxBa8‐x(Ga,Sn)46 (x = 0.3).
Authors: Schaefer Marion C. , Bobev Svilen
Published: July 2013

The title compounds are prepared from mixtures of the elements (823 K, 15 h).
ChemInform Abstract: MgSO4·11H2O and MgCrO4·11H2O Based on Time‐of‐Flight Neutron Single‐Crystal Laue Data.
Authors: Fortes A Dominic , Wood Ian G. , Gutmann Matthias J.
Published: July 2013

The crystal structures of the title compounds are determined by single crystal neutron time‐of‐flight measurements.
ChemInform Abstract: Fe2 (SO4) 3·H2SO4·28H2O, a Low‐Temperature Water‐Rich Iron(III) Sulfate.
Authors: Schmidt Horst , Hennings Erik , Zuerner Philipp , Voigt Wolfgang
Published: July 2013

Violet crystals of the title compound are obtained from aqueous solutions of Fe2(SO4)3 containing 5—20% H2SO4 (235—239 K).
ChemInform Abstract: A Trigonal‐Prismatic Hexanuclear Technetium(II) Bromide Cluster: Solid‐State Synthesis and Crystallographic and Electronic Structure.
Authors: Johnstone Erik V. , Grant Daniel J. , Poineau Frederic , Fox Laura , Forster Paul M. , Ma Longzou , Gagliardi Laura , Czerwinski Kenneth R. , Sattelberger Alfred P.
Published: July 2013

Na{[Tc6Br12]2Br} is obtained by thermal decomposition of TcBr4 (Na source not given; evacuated Pyrex ampule, 1.
ChemInform Abstract: Cs2GeB4O9: A New Second‐Order Nonlinear‐Optical Crystal.
Authors: Xu Xiang , Hu Chun‐Li , Kong Fang , Zhang Jian‐Han , Mao Jiang‐Gao , Sun Junliang
Published: July 2013

Polycrystalline Cs2GeB4O9 samples are obtained by solid state reaction of a stoichiometric mixture of Cs2CO3, GeO2, and H3BO3 (Pt crucible, 1.
ChemInform Abstract: Crystal Growth, Structure, Polarization, and Magnetic Properties of Cesium Vanadate, Cs2V3O8: A Structure—Property Study.
Authors: Yeon Jeongho , Sefat Athena S. , Tran T. Thao , Halasyamani P. Shiv , zur Loye Hans‐Conrad
Published: July 2013

Single crystals of Cs2V3O8 are synthesized via a two‐step hydrothermal route starting with an aqueous solution of V2O5 and oxalic acid (autoclave, 150 °C, 12 h) followed by addition of Cs2CO3 (150 °C, 24 h; 91% yield).
ChemInform Abstract: Structure and Magnetic Properties of Cu3Ni2SbO6 and Cu3Co2SbO6 Delafossites with Honeycomb Lattices.
Authors: Roudebush J. H. , Andersen N. H. , Ramlau R. , Garlea V. O. , Toft‐Petersen R. , Norby P. , Schneider R. , Hay J. N. , Cava R. J.
Published: July 2013

Cu3Ni2SbO6 (I) and Cu3Co2SbO6 (II) are prepared by solid state reaction of stoichiometric ratios of CuO or NiO, Co3O4, and Sb2O3 (1345 °C and 1250 °C, 2 d, for (I) and (II) resp.).
ChemInform Abstract: Sr2FeO3 with Stacked Infinite Chains of FeO4 Square Planes.
Authors: Tassel Cedric , Seinberg Liis , Hayashi Naoaki , Ganesanpotti Subodh , Ajiro Yoshitami , Kobayashi Yoji , Kageyama Hiroshi
Published: July 2013

Due to the thermal instability of Sr2FeO4, Sr2FeO3 is obtained from the latter in the presence of CaH2 as reducing agent (evacuated Pyrex tubes, 2980 °C, 96 h).
ChemInform Abstract: The First Alkali Metal Hydroxide‐Ammoniate, Cesium Hydroxide‐Ammoniate (1:1), CsOH·NH3, Synthesis and Crystal Structure.
Authors: Guentner Christian , Korber Nikolaus
Published: July 2013

Colorless crystals of the title compound are prepared by reaction of CsH and Te(OH)6 in liquid ammonia at ‐38 °C.
ChemInform Abstract: Sr3BeB6O13: A New Borate in the SrO/BeO/B2O3 System with Novel Tri‐Six‐Membered Ring (BeB6O15)10‐ Building Block.
Authors: Yao Wenjiao , Huang Hongwei , Yao Jiyong , Xu Tao , Jiang Xingxing , Lin Zheshuai , Chen Chuangtian
Published: July 2013

The new title polyborate is synthesized by solid state reaction of stoichiometric mixtures of SrCO3, BeO, and H3BO3 (1253 K, 6 d) followed by spontaneous crystallization from a B2O3/NaF flux (melting, Pt crucible, 24 h, 10 K/d cooling rate).
ChemInform Abstract: High‐Pressure Synthesis and Superconductivity of the Laves Phase Compound Ca(Al,Si)2 Composed of Truncated Tetrahedral Cages Ca@(Al,Si)12
Authors: Tanaka Masashi , Zhang Shuai , Inumaru Kei , Yamanaka Shoji
Published: July 2013

Ca(Al1‐xSix)2 (0.15 ≤ x ≤ 0.75) phases are prepared by arc melting of CaSi2 and Al followed by RF induction heating (1000—1200 °C, 3 h).
ChemInform Abstract: Perovskite‐Structured PbTiO3 Thin Films Grown from a Single‐Source Precursor.
Authors: Mansoor Muhammad Adil , Ismail Azhani , Yahya Rosiyah , Arifin Zainudin , Tiekink Edward R. T. , Weng Ng Seik , Mazhar Muhammad , Esmaeili Ali Reza
Published: July 2013

The complex [PbTi(μ2‐O2CCF3)4 (thf)3(μ3‐O)]2 (I) is prepared in nearly quantitative yield by reaction of Pb(OAc)4, Ti(OBu)4, and TFA in THF.
ChemInform Abstract: Copper(I)‐Catalyzed Borylative exo‐Cyclization of Alkenyl Halides Containing Unactivated Double Bond.
Authors: Kubota Koji , Yamamoto Eiji , Ito Hajime
Published: July 2013

Several synthetic applications of the reaction products are demonstrated, including the synthesis of histamine H3 receptorligand (XV).
ChemInform Abstract: Nickel‐Catalyzed Ring‐Opening Alkylative Coupling of Enone with Methylenecyclopropane in the Presence of Triethylborane.
Authors: Ogata Kenichi , Shimada Daisuke , Furuya Shouichi , Fukuzawa Shin‐ichi
Published: July 2013

Nickel‐catalyzed alkylative coupling of an enone or enal with methylenecyclopropanes in the presence of triethylborane is achieved via stereospecific proximal C—C bond cleavage.
ChemInform Abstract: Achieving Control over the Branched/Linear Selectivity in Palladium‐Catalyzed Allylic Amination.
Authors: Dubovyk Igor , Watson Iain D. G. , Yudin Andrei K.
Published: July 2013

It is found that the selectivity in the title reaction can be controlled by appropriate choice of solvent, ligand, basic, and acidic additives.
ChemInform Abstract: Step‐Economical Access to Valuable Weinreb Amide 2,5‐Disubstituted Pyrrolidines by a Sequential One‐Pot Two‐Directional Cross‐Metathesis/Cyclizing Aza‐Michael Process.
Authors: Boufroura Hamza , Mauduit Marc , Drege Emmanuelle , Joseph Delphine
Published: July 2013

This is the first two‐directional homologating double cross‐metathesis of unfunctionalized 1,5‐hexadiene.
ChemInform Abstract: XtalFluor‐E, an Efficient Coupling Reagent for Amidation of Carboxylic Acids.
Authors: Orliac Aurelie , Gomez Pardo Domingo , Bombrun Agnes , Cossy Janine
Published: July 2013

Aromatic and aliphatic carboxylic acids are easily converted into the corresponding amides by reaction with various amines in the presence of XtalFluor‐E (XTFE) as an activator.
ChemInform Abstract: Bromine Radical‐Mediated Sequential Radical Rearrangement and Addition Reaction of Alkylidenecyclopropanes.
Authors: Kippo Takashi , Hamaoka Kanako , Ryu Ilhyong
Published: July 2013

This provides an efficient strategy on generation and utilization of homoallyl radicals.
ChemInform Abstract: Trifluoromethylation of Allylsilanes under Photoredox Catalysis.
Authors: Gouverneur Veronique , et al. et al.
Published: July 2013

A new catalytic method to access allylic secondary CF3 products is described.
ChemInform Abstract: Entry to β‐Alkoxyacrylates via Gold‐Catalyzed Intermolecular Coupling of Alkynoates and Allylic Ethers.
Authors: Park Sae Rom , Kim Cheoljae , Kim Dong‐gil , Thrimurtulu Neetipalli , Yeom Hyun‐Suk , Jun Jungho , Shin Seunghoon , Rhee Young Ho
Published: July 2013

The first gold‐catalyzed intermolecular coupling of alkynoates and allylic ethers is presented.
ChemInform Abstract: Copper‐Catalyzed Enantioselective Allyl—Allyl Cross‐Coupling.
Authors: Hornillos Valentin , Perez Manuel , Fananas‐Mastral Martin , Feringa Ben L.
Published: July 2013

The method represents the first example of the Cu‐catalyzed asymmetric allyl‐allyl cross‐coupling reaction.
ChemInform Abstract: Palladium‐Catalyzed Decarboxylative Vinylation of Potassium Nitrophenyl Acetate: Application to the Total Synthesis of (.+‐.)‐Goniomitine.
Authors: Xu Zhengren , Wang Qian , Zhu Jieping
Published: July 2013

The process is used for the preparation of a series of cross‐coupling products and is applied as key‐step in the synthesis of the title alkaloid (XII).
ChemInform Abstract: Porous Chitosan Microspheres Supported‐Palladium Catalyst for the C—N Cross‐Coupling of Aryl Halides with Secondary Amines.
Authors: Cheng Kai , Zeng Minfeng , Qi Chenze
Published: July 2013

The inexpensive and simple operation of this environmental friendly Buchwald‐Hartwig amination reaction referred here should make its application attractive for industrial uses.
ChemInform Abstract: An Efficient Strategy for Protecting Dihydroxyl Groups of Catechols.
Authors: Huang Wei‐Bin , Guo Ying , Jiang Jian‐An , Pan Xian‐Dao , Liao Dao‐Hua , Ji Ya‐Fei
Published: July 2013

The novel protection method with 1,3‐dibromopropane affords benzodioxepan structures in good to excellent yields.
ChemInform Abstract: A Sterically Demanding Organo‐Superbase Avoids Decomposition of a Naked Trifluoromethyl Carbanion Directly Generated from Fluoroform.
Authors: Kawai Hiroyuki , Yuan Zhe , Tokunaga Etsuko , Shibata Norio
Published: July 2013

The direct non‐metallic trifluoromethylation of carbonyl compounds (I) using CHF3 (II) by use of an organic superbase is reported.
ChemInform Abstract: Modular Prolinol Chiral Ligands for Enantioselective Addition of Diethylzinc to Aromatic Aldehydes.
Authors: Gou Shaohua , Ye Zhongbin , Feng Mingming , Jiang Wenchao
Published: July 2013

A wide range of aromatic aldehydes with electron‐donating and ‐withdrawing substituents are transformed into the corresponding alcohols under mild conditions.
ChemInform Abstract: A Highly Enantioselective Synthesis of the Odorant, 3‐Hydroxy‐4‐phenylbutan‐2‐one.
Authors: Liang Sen , Sun Bao‐guo , Tian Hong‐yu , Wang Ya‐ling , Sun Yu‐mei
Published: July 2013

The optically active compounds (II) and (IV) are produced with high e.e.
ChemInform Abstract: Design and Synthesis of Some New N‐Phenylanthranilic Acids from Highly Sterically Hindered Anilines.
Authors: Li Zhenghua , Chen Gang , Qiao Shu , Liang Ronghui , Lan Cong , Xia Zhining
Published: July 2013

A series of new N‐arylanthranilic acids of type (III) are prepared from 2‐chlorobenzoic acids and sterically hindered aniline derivatives using copper(I) iodide as catalyst.
ChemInform Abstract: Enantioselective Synthesis of anti‐ and syn‐β‐Hydroxy‐α‐phenyl Carboxylates via Boron‐Mediated Asymmetric Aldol Reaction.
Authors: Ramachandran P. Veeraraghavan , Chanda Prem B.
Published: July 2013

The presented approach is the first boron‐mediated asymmetric aldol reaction of phenyl acetates.
ChemInform Abstract: Catalytic Asymmetric Protonation of Silyl Ketene Imines.
Authors: Guin Joyram , Varseev Georgy , List Benjamin
Published: July 2013

The reaction applies methanol as a hydrogen source and proceeds with high yields and enantioselectivities tolerating a wide range of functional groups and sterically demanding substituents.
ChemInform Abstract: Ruthenium‐Catalyzed Selective Aerobic Oxidative ortho‐Alkenylation of Substituted Phenols with Alkenes Through C—H Bond Activation.
Authors: Reddy Mallu Chenna , Jeganmohan Masilamani
Published: July 2013

The aerobic oxidative coupling of phenyl carbamates and acetates with alkenes proceeds with high regio‐ and stereoselectivity.
ChemInform Abstract: NHC‐Catalyzed Hydroacylation of Styrenes.
Authors: Schedler Michael , Wang Duo‐Sheng , Glorius Frank
Published: July 2013

The reaction is investigated with electron‐poor, electron‐neutral, and electron‐rich styrenes with respect to formation of linear and branched products.
ChemInform Abstract: Copper‐Catalyzed Aldol‐Type Addition of Ketones to Aromatic Nitriles: A Simple Approach to Enaminone Synthesis.
Authors: Yu Xiaoqiang , Wang Longxiang , Feng Xiujuan , Bao Ming , Yamamoto Yoshinori
Published: July 2013

The reaction proceeds smoothly under mild conditions using readily available starting materials.
ChemInform Abstract: Synthesis and Structural Characterization of New Bifunctional o‐Hydroxyacetophenones — Potential Linker Molecules for Coordinative Framework Construction.
Authors: Huebscher Joerg , Guenthel Michael , Rosin Robert , Seichter Wilhelm , Mertens Florian , Weber Edwin
Published: July 2013

Two new linker‐type molecules (Ia,b) are synthesized.
ChemInform Abstract: Silicon‐Induced General, Mild, and Efficient One‐Pot, Three‐Component Synthesis of Amidoalkyl Naphthol Libraries.
Authors: Salama Tarek A.
Published: July 2013

Nitriles or amides can be used as the third component in the process which is suitable for the preparation of a library for drug research.
ChemInform Abstract: Synthesis of Highly Substituted Oxetanes via [2 + 2] Cycloaddition Reactions of Allenoates Catalyzed by a Guanidine Lewis Base.
Authors: Selig Philipp , Turockin Aleksej , Raven William
Published: July 2013

The method is complimentary to the outcome of the PPh3 [cf.
ChemInform Abstract: Synthesis of Optically Active 1,2,3‐Trisubstituted Azetidines Employing an Organocatalytic Approach with L‐Proline.
Authors: Amongero Marcela , Kaufman Teodoro S.
Published: July 2013

The approach to the title compounds involves an L‐proline‐catalyzed reaction of aromatic aldehydes, anilines and enolizable aldehydes.
ChemInform Abstract: Phosphine‐Containing Lewis Base Catalyzed Cyclization of Benzofuranone Type Electron‐Deficient Alkenes with Allenoates: A Facile Synthesis of Spirocyclic Benzofuranones.
Authors: Li Xin , Wang Feng , Dong Nan , Cheng Jin‐Pei
Published: July 2013

The title reaction affords the desired spirocyclic products (III)/(IV) and (VI)/(VII) in good to high yields and with moderate to good regioselectivities.
ChemInform Abstract: New Organic Sensitizers with N‐Substituted or Nonsubstituted Pyrrole Units for Dye‐Sensitized Solar Cells
Authors: Hara Masaki , Kondo Daisuke , Shono Tomohiro , Kunugi Yoshihito , Aihara Hidenori
Published: July 2013

synthesis and characterization of new organic dyes with pyrrolic conjugated π‐spacers such as (V) and (VI)
ChemInform Abstract: Enantioselective Construction of 2,5‐Dihydropyrrole Skeleton with Quaternary Stereogenic Center via Catalytic Asymmetric 1,3‐Dipolar Cycloaddition Involving α‐Arylglycine Esters.
Authors: Shi Feng , Xing Gui‐Juan , Tan Wei , Zhu Ren‐Yi , Tu Shujiang
Published: July 2013

An enantioselective construction of biologically important 2,5‐dihydropyrrole scaffolds (IV)/(V), (VII)/(VIII) and (X)/(XI) with multiple chiral centers including one quaternary stereogenic center in moderate diastereoselectivity, but high enantioselectivity in most cases is reported.
ChemInform Abstract: Synthesis of 3,3‐Disubstituted Oxindoles by One‐Pot Integrated Broensted Base‐Catalyzed Trichloroacetimidation of 3‐Hydroxyoxindoles and Broensted Acid‐Catalyzed Nucleophilic Substitution Reaction.
Authors: Piemontesi Cyril , Wang Qian , Zhu Jieping
Published: July 2013

A versatile synthesis of 3,3‐disubstituted oxindoles such (III), (VI), (IX), and (XII) by in situ activation of the corresponding hydroxyoxindole derivatives in form of trichloroacetimidates is reported.
ChemInform Abstract: Conformationally Restricted Pyrrolidines by Intramolecular [2 + 2] Photocycloaddition Reactions.
Authors: Fort Diego A. , Woltering Thomas J. , Nettekoven Matthias , Knust Henner , Bach Thorsten
Published: July 2013

The reaction proceeds with high regioselectivity.
ChemInform Abstract: An Organocatalytic Asymmetric Double Michael Cascade Reaction of Unsaturated Ketones and Unsaturated Pyrazolones: Highly Efficient Synthesis of Spiropyrazolone Derivatives.
Authors: Liang Jinyan , Chen Qiao , Liu Luping , Jiang Xianxing , Wang Rui
Published: July 2013

The first organocatalytic double Michael cascade reaction of unsaturated pyrazolones with unsaturated ketones is developed.
ChemInform Abstract: Multicomponent Synthesis of N‐Carbamoyl Hydantoin Derivatives.
Authors: Bellucci Maria Cristina , Frigerio Massimo , Marcelli Tommaso , Volonterio Alessandro
Published: July 2013

Steric factors as well as the nucleophilic character of the amino moiety in the isocyanate play an important role in the outcome of the reaction with α‐azide esters.
ChemInform Abstract: Syntheses of Five‐ and Seven‐Membered Ring Sultam Derivatives by Michael Addition and Baylis—Hillman Reactions.
Authors: Tong Kun , Tu Jinchang , Qi Xueyong , Wang Min , Wang Yanjie , Fu Haizhen , Pittman Charles U. Jr. , Zhou Aihua
Published: July 2013

Different pathways for the synthesis of five‐ and seven‐membered sultam derivatives by intramolecular oxa‐ and carba‐Michael reactions, as well as intramolecular Baylis—Hillman reactions are presented.
ChemInform Abstract: Three‐Component and One‐Pot Reaction Between Phenacyl Bromide and Primary Amines in the Presence of Carbon Disulfide.
Authors: Hassanabadi Alireza , Khandan‐Barani Khatereh
Published: July 2013

The main features of the reported methodology are neutral reaction conditions and starting materials which need not to be mixed with any activation nor modification.
ChemInform Abstract: One‐Pot Synthesis of N‐Substituted 2,4‐Thiazolidinediones and Computational Investigation of the Products.
Authors: Asghari Sakineh , Haghdadi Mina , Ahangar Savia Momeni , Ramezani Samaneh
Published: July 2013

The three‐component reaction of acetylenic esters (I) or (V), 2,4‐thiazolidinedione (II), and tert‐butyl isocyanide (III) is studied.
ChemInform Abstract: One Pot Synthesis and Biological Activity Evaluation of Novel Schiff Bases Derived from 2‐Hydrazinyl‐1,3,4‐thiadiazole.
Authors: Tehrani Kamaleddin Haj Mohammad Ebrahim , Sardari Soroush , Mashayekhi Vida , Zadeh Marjan Esfahani , Azerang Parisa , Kobarfard Farzad
Published: July 2013

Compounds (IVa,b, d) show antiplatelet aggregation activity comparable to that of indomethacin.
ChemInform Abstract: A Three‐Component Reaction of C,N‐Cyclic N′‐Acyl Azomethine Imines, Isocyanides, and Azide Compounds: Effective Synthesis of 1,5‐Disubstituted Tetrazoles with Tetrahydroisoquinoline Skeletons.
Authors: Soeta Takahiro , Tamura Kaname , Fujinami Shuhei , Ukaji Yutaka
Published: July 2013

Optimization experiments show that the presence of a less sterically hindered chlorosilane is crucial for the reaction which is functional for a wide range of C,N‐cyclic N′‐acyl azomethine imines and isocyanides.
ChemInform Abstract: A Three‐Component Synthesis of Benzochromenodiazocines and Chromenopyridines.
Authors: Dolatkhah Zahra , Nasiri‐Aghdam Mahnaz , Bazgir Ayoob
Published: July 2013

Both heterocyclic frameworks are readily available in the absence of any catalyst.
ChemInform Abstract: Generation and Reactions of Pyridyllithiums via Br/Li Exchange Reactions Using Continuous Flow Microreactor Systems.
Authors: Nagaki Aiichiro , Yamada Daisuke , Yamada Shigeyuki , Doi Masatomo , Ichinari Daisuke , Tomida Yutaka , Takabayashi Naofumi , Yoshida Jun‐ichi
Published: July 2013

A continuous flow microreactor method for generating and carrying out reactions on pyridyllithiums is developed.
ChemInform Abstract: One‐Pot Multicomponent Reactions for the Efficient Synthesis of Highly Functionalized Dihydropyridines.
Authors: Pal Suman , Choudhury Lokman H. , Parvin Tasneem
Published: July 2013

A broad range of the title compounds [(V) and (VII)] are efficiently synthesized using a simple and efficient four‐component protocol.
ChemInform Abstract: A Simple One‐Pot Synthesis of Quinoline‐4‐carboxylic Acid Derivatives by Pfitzinger Reaction of Isatin with Ketones in Water.
Authors: Lv Qinghua , Fang Lizhen , Wang Pengfei , Lu Chenjuan , Yan Fulin
Published: July 2013

An optimized procedure is given for the reaction of isatin with ketones to afford title quinoline compounds (III) which are otherwise difficult to prepare.
ChemInform Abstract: An Olefin Isomerization/Asymmetric Pictet—Spengler Cascade via Sequential Catalysis of Ruthenium Alkylidene and Chiral Phosphoric Acid.
Authors: Cai Quan , Liang Xiao‐Wei , Wang Shou‐Guo , You Shu‐Li
Published: July 2013

An efficient synthesis of enantioenriched tetrahydro‐β‐carboline derivatives is given using a hitherto not described olefin isomerization/asymmetric Pictet—Spengler cascade reaction.
ChemInform Abstract: A One‐Pot, Pseudo Four‐Component Synthesis of Novel Benzopyrano[2,3‐b]pyridines under Solvent‐Free Conditions.
Authors: Olyaei Abolfazl , Vaziri Mohsen , Razeghi Reza
Published: July 2013

The catalyst‐free method renders possible the access to various derivatives of the heterocyclic system within a short time.
ChemInform Abstract: One‐Pot Sequential C—N Coupling and Cross Dehydrogenative Couplings: Synthesis of Novel Azole Fused Imidazo[1,2‐a]pyridines.
Authors: Pericherla Kasiviswanadharaju , Khedar Poonam , Khungar Bharti , Kumar Anil
Published: July 2013

The one‐pot procedure is comprised of an Ullman‐type C‐N coupling and an oxidative intramolecular C—C bond formation via double C—H activation or cross dehydrogenative coupling.
ChemInform Abstract: Palladium‐Catalyzed Decarboxylative C2‐Acylation of Indoles with α‐Oxocarboxylic Acids.
Authors: Pan Changduo , Jin Hongming , Liu Xu , Cheng Yixiang , Zhu Chengjian
Published: July 2013

The key to the presented method is the installation of a suitable 2‐pyrimidyl director that is readily removable on the indole nitrogen atom.
ChemInform Abstract: Synthesis of Aryl and Heteryl 1,3,4‐Thiadiazinyl‐phthalazine‐1,4‐dione Derivatives via a Multicomponent Approach.
Authors: Chunduru Venkata Sreenivasa Rao , Rao Vendula Rajeswar
Published: July 2013

Title compounds [(IV) and (VI)] are synthesized using an expeditious one‐pot procedure starting from readily available materials.
ChemInform Abstract: Synthesis of 3‐Benzazepines and Azepino[4,5‐b]heterocyclic Ring Systems via Intramolecular Friedel—Crafts Cyclization.
Authors: Kargbo Robert B , Sajjadi‐Hashemi Zohreh , Roy Sujata , Jin Xiaomin , Herr R. Jason
Published: July 2013

Allylic bromides tethered to activated aromatic rings undergo intramolecular Friedel—Crafts reaction in the presence of catalytic or equimolar amounts of Bi(OTf)3.
ChemInform Abstract: Convenient One‐Pot Synthesis of α‐Amino Phosphonates in Water Using p‐Toluenesulfonic Acid as Catalyst for the Kabachnik—Fields Reaction.
Authors: Wu Mingshu , Liu Rendie , Wan Dehui
Published: July 2013

The title compounds (IV) are obtained in a three‐component reaction of substituted salicylaldehydes, aromatic amines, and triphenyl phosphite under mild and green reaction conditions.
ChemInform Abstract: 2,3‐Dicyclohexylsuccinimide as a Directing/Protecting Group for the Regioselective Glycosylation or Alkylation of Purines.
Authors: Pal Ayan , Salandria Kerry J. , Arico Joseph W. , Schlegel Mark K. , McLaughlin Larry W.
Published: July 2013

The choice of Dcs‐group as a directing/protecting group is essential to achieve high diastereo‐ and regioselectivity in the alkylation or glycosylation reactions of purines.
ChemInform Abstract: Isolation and Structure Elucidation of Alkaloids from Pinellia ternata
Authors: Zhang Zhihao , Li Wenjie , Lin Ruichao , Dai Zhong , Li Xiaofeng
Published: July 2013

including the new compound alkterlactone (I)
ChemInform Abstract: Synthesis and Spectroscopic Properties of Fluorescent 5‐Benzimidazolyl‐2′‐deoxyuridines 5‐fdU Probes Obtained from o‐Phenylenediamine Derivatives.
Authors: Zhou Xiang , et al. et al.
Published: July 2013

Fluorescent nucleosides are synthesized, which show desirable fluorescent quantum yields.
ChemInform Abstract: Diplomorphanins A and B: New C‐Methyl Flavonoids from Diplomorpha canescens.
Authors: Devkota Hari Prasad , Watanabe Masato , Watanabe Takashi , Yahara Shoji
Published: July 2013

Diplomorphanins A, (I), and B, (II), are isolated from the aerial parts of D.
ChemInform Abstract: Porous Titania with Heavily Self‐Doped Ti3+ for Specific Sensing of CO at Room Temperature.
Authors: Su Juan , Zou Xiao‐Xin , Zou Yong‐Cun , Li Guo‐Dong , Wang Pei‐Pei , Chen Jie‐Sheng
Published: July 2013

A porous crystalline TiO2 with heavily self‐doped Ti3+ species is prepared by solid state reaction of a porous amorphous TiO2 precursor and urea (N2 atmosphere, 700 °C, 10 h).
ChemInform Abstract: Conversion Reactions of Cadmium Chalcogenide Nanocrystal Precursors.
Authors: Garcia‐Rodriguez Raul , Hendricks Mark P. , Cossairt Brandi M. , Liu Haitao , Owen Jonathan S.
Published: July 2013

Review: [259 refs.]
ChemInform Abstract: High‐Temperature Solution‐Phase Syntheses of Metal‐Oxide Nanocrystals.
Authors: Lee Jonghun , Zhang Sen , Sun Shouheng
Published: July 2013

Review: 92 refs.
ChemInform Abstract: C—Fe—Mo (Carbon—Iron—Molybdenum)
Authors: Raghavan V.
Published: July 2013

Review: binary and ternary phase diagrams; 12 refs.
ChemInform Abstract: Li—O (Lithium—Oxygen)
Authors: Okamoto H.
Published: July 2013

Review: phase equilibria; 7 refs.
ChemInform Abstract: Solid‐State Reactivity and Structural Transformations Involving Coordination Polymers
Authors: Kole Goutam Kumar , Vittal Jagadese J.
Published: July 2013

Review: 93 refs.
ChemInform Abstract: Chalcogenide Clusters of Copper and Silver from Silylated Chalcogenide Sources
Authors: Fuhr Olaf , Dehnen Stefanie , Fenske Dieter
Published: July 2013

Review: about 150 refs.
ChemInform Abstract: The Pseudo‐Intramolecular Process: A Novel Synthetic Method for Functionalized Heterocyclic Compounds.
Authors: Nishiwaki Nagatoshi
Published: July 2013

Review: 59 refs.
ChemInform Abstract: Boroxine Chemistry: From Fundamental Studies to Applications in Supramolecular and Synthetic Organic Chemistry.
Authors: Tokunaga Yuji
Published: July 2013

Review: about 100 refs.
ChemInform Abstract: Porphyrin Functionalization via Palladium‐Catalyzed Carbon—Heteroatom Cross‐Coupling Reactions
Authors: Fields Kimberly B. , Ruppel Joshua V. , Snyder Nicole L. , Zhang X. Peter
Published: July 2013

Review: 186 refs.
ChemInform Abstract: Synthesis of Porphyrins Fused with Aromatic Rings
Authors: Ono Noboru , Yamada Hiroko , Okujima Tetsuo
Published: July 2013

Review: 214 refs.
ChemInform Abstract: Design of Thiol‐Containing Amino Acids for Native Chemical Ligation at Non‐Cys Sites
Authors: He Qiao‐Qiao , Fang Ge‐Min , Liu Lei
Published: July 2013

Review: 46 refs.
ChemInform Abstract: Organocatalysis in Confined Spaces
Authors: Gramage‐Doria Rafael , Reek Joost N. H.
Published: July 2013

Review: 42 refs.
ChemInform Abstract: Chemistry of Sulfur‐Centered Radicals
Authors: Bobrowski Krzysztof
Published: July 2013

Review: 78 refs.
ChemInform Abstract: Flourishing Frontiers in Organofluorine Chemistry
Authors: Prakash G. K. Surya , Wang Fang
Published: July 2013

Review: 411 refs.
ChemInform Abstract: The Use of Solvation Models in Gas Chromatography
Authors: Mutelet Fabrice
Published: July 2013

Review: 47 refs.
ChemInform Abstract: Practical Applications of Computational Studies of the Glycosylation Reaction
Authors: Whitfield Dennis M. , Nukada Tomoo
Published: July 2013

Review: 66 refs.
ChemInform Abstract: Spin‐Echo Electron Paramagnetic Resonance (EPR) Spectroscopy of a Pore‐Forming (Lipo)Peptaibol in Model and Bacterial Membranes
Authors: Dzuba Sergei A. , Raap Jan
Published: July 2013

Review: 66 refs.
ChemInform Abstract: Innovations in Sol—Gel Microextraction Phases for Solvent‐Free Sample Preparation in Analytical Chemistry
Authors: Kabir Abuzar , Furton Kenneth G. , Malik Abdul
Published: July 2013

Review: 168 refs.
ChemInform Abstract: The Determination of Accurate Nuclear Magnetic Dipole Moments and Direct Measurement of NMR Shielding Constants
Authors: Jaszunski Michal , Antusek Andrej , Garbacz Piotr , Jackowski Karol , Makulski Wlodzimierz , Wilczek Marcin
Published: July 2013

Review: 81 refs.
The role of C‐reactive protein in prostate cancer
Authors: Graff Julie N. , Beer Tomasz M.
Published: July 2013

In retrospective analyses, elevated C‐reactive protein indicates a poor prognosis in prostate cancer patients. We review what is known about the role of C‐reactive protein in prostate cancer and describe circumstances in which it may be helpful.
Postnatal developmental expression of regulator of G protein signaling 14 (RGS14) in the mouse brain
Authors: Evans Paul R. , Lee Sarah E. , Smith Yoland , Hepler John R.
Published: July 2013

Regulator of G protein signaling 14 (RGS14) is a multifunctional scaffolding protein that integrates G protein and mitogen‐activated protein kinase (MAPK) signaling pathways. In the adult mouse brain, RGS14 mRNA and protein are found almost exclusively in hippocampal CA2 neurons. We have shown that RGS14 is a natural suppressor of CA2 synaptic plasticity and hippocampal‐dependent learning and memory. However, the protein distribution and spatiotemporal expression patterns of RGS14 in mouse brain during postnatal development are unknown. Here, using a newly characterized monoclonal anti‐RGS14 antibody, we demonstrate that RGS14 protein immunoreactivity is undetectable at birth (P0), with very low mRNA expression in the brain. However, RGS14 protein and mRNA are upregulated during early postnatal development, with protein first detected at P7, and both increasing over time until reaching highest sustained levels throughout adulthood. Our immunoperoxidase data demonstrate that RGS14 protein is expressed in regions outside of hippocampal CA2 during development including the primary olfactory areas, the anterior olfactory nucleus and piriform cortex, and the olfactory associated orbital and entorhinal cortices. RGS14 is also transiently expressed in neocortical layers II/III and V during postnatal development. Finally, we show that RGS14 protein is first detected in the hippocampus at P7, with strongest immunoreactivity in CA2 and fasciola cinerea and sporadic immunoreactivity in CA1; labeling intensity in hippocampus increases until adulthood. These results show that RGS14 mRNA and protein are upregulated throughout postnatal mouse development, and RGS14 protein exhibits a dynamic localization pattern that is enriched in hippocampus and primary olfactory cortex in the adult mouse brain. J. Comp. Neurol. 522:186–203, 2014. © 2013 Wiley Periodicals, Inc.
Spatial Resolution of an Eye Containing a Grouped Retina: Ganglion Cell Morphology and Tectal Physiology in the Weakly Electric Fish Gnathonemus petersii
Authors: Pusch Roland , Wagner Hans‐Joachim , von der Emde Gerhard , Engelmann Jacob
Published: July 2013

The retina of the weakly electric fish Gnathonemus petersii is a so‐called grouped retina where photoreceptors are bundled. These bundles are regarded as functional units and this type of retinal specialization is uniquely found in teleosts. To understand how this anatomical organization influences visual information processing we investigated the morphology and distribution of retinal ganglion cells (GCs) and the response properties of retinal afferents terminating in the major retinorecipient area, the optic tectum. GCs were classified based on their dendritic morphology (dendritic field diameters <90–100 μm: narrow‐field GCs; 110–280 μm: widefield GCs; >280 μm: giant GCs). Within these classes subtypes were distinguished based on the ramification patterns of the dendrites in the sublaminae of the inner plexiform layer. Properties of presumed optic nerve terminals were investigated in the optic tectum using extracellular recordings. Physiological classes could be observed based on their response to visual stimuli (on; off; on‐off, and fast units). Receptive field sizes and spatiotemporal properties were classified and the topographical representation of the visual space was mapped in the tectum. Gratings of low spatial frequencies were best responded to and followed up to high temporal frequencies (>30 Hz). Most of the recorded units were directionally selective. No evidence of distorted topographies in the tectum was found, i.e., no overrepresentation of the retina was seen in the tectum opticum. The grouped retina of G. petersii seems to be optimized for the detection of large, fast objects in an environment of low optical quality. J. Comp. Neurol. 521:4075–4093, 2013. © 2013 Wiley Periodicals, Inc.
Neuropeptidome of Tribolium castaneum antennal lobes and mushroom bodies
Authors: Binzer Marlene , Heuer Carsten M. , Kollmann Martin , Kahnt Jorg , Hauser Frank , Grimmelikhuijzen Cornelis J.P. , Schachtner Joachim
Published: July 2013

Neuropeptides are a highly diverse group of signaling molecules that affect a broad range of biological processes in insects, including development, metabolism, behavior, and reproduction. In the central nervous system, neuropeptides are usually considered to act as neuromodulators and cotransmitters that modify the effect of “classical” transmitters at the synapse. The present study analyzes the neuropeptide repertoire of higher cerebral neuropils in the brain of the red flour beetle Tribolium castaneum. We focus on two integrative neuropils of the olfactory pathway, the antennal lobes and the mushroom bodies. Using the technique of direct peptide profiling by matrix‐assisted laser desorption/ionization time‐of‐flight (MALDI‐TOF) mass spectrometry, we demonstrate that these neuropils can be characterized by their specific neuropeptide expression profiles. Complementary immunohistological analyses of selected neuropeptides revealed neuropeptide distribution patterns within the antennal lobes and the mushroom bodies. Both approaches revealed consistent differences between the neuropils, underlining that direct peptide profiling by mass spectrometry is a fast and reliable method to identify neuropeptide content. J. Comp. Neurol. 522:337–357, 2014. © 2013 Wiley Periodicals, Inc.
Endocortical bone loss in osteoporosis: the role of bone surface availability
Authors: Buenzli Pascal R. , Thomas C. David L. , Clement John G. , Pivonka Peter
Published: July 2013

Age‐related bone loss and postmenopausal osteoporosis are due to a dysregulation of bone remodelling in which less bone is reformed than resorbed. This dysregulation of bone remodelling does not occur with equal strength in all bone regions. Loss of bone is more pronounced near the endocortical surface. This leads to thinning of the cortical wall proceeding from the endosteum, a process sometimes called ‘trabecularisation’. In this paper, we investigate the influence of the nonuniform distribution of bone surface within bone tissue for osteoporotic bone losses. We use a spatio‐temporal computational model of bone remodelling in which microstructural changes of bone tissue are represented by a phenomenological relationship between bone specific surface and bone porosity. The simulation of an osteoporotic condition by our model shows that the evolution of bone porosity within a bone cross section is significantly influenced by the nonuniform availability of bone surface. Greater bone loss occurs near the endocortical wall, leading to cortical wall thinning and to an expansion of the medullary cavity similar to cross‐sectional observations from human femur midshafts. Our model suggests that the rate of cortical wall thinning is fast/slow in the presence/absence of an adjacent trabecular or trabecularised bone compartment. Copyright © 2013 John Wiley & Sons, Ltd.
Decay Properties of Klein‐Gordon Fields on Kerr‐AdS Spacetimes
Authors: Holzegel Gustav , Smulevici Jacques
Published: July 2013

This paper investigates the decay properties of solutions to the massive linear wave equation for g being the metric of a Kerr‐AdS spacetime satisfying satisfying the Breitenlohner‐Freedman bound. We prove that the nondegenerate energy of ψ with respect to an appropriate foliation of spacelike slices decays like (log t⋆)−2. Our estimates are expected to be sharp from heuristic and numerical arguments in the physics literature suggesting that general solutions will only decay logarithmically. The underlying reason for the slow decay rate can be traced back to a stable trapping phenomenon for asymptotically anti‐de Sitter black holes, which is in turn a consequence of the reflecting boundary conditions at null infinity.© 2013 Wiley Periodicals, Inc.
Electrorheological Effect and Electro‐Optical Properties of Side‐on Liquid Crystalline Polysiloxane in a Nematic Solvent
Authors: Kaneko Kosuke , Oto Kodai , Kawai Toshiaki , Choi Hyunseok , Kikuchi Hirotsugu , Nakamura Naotake
Published: July 2013

The electrorheological (ER) effect and the electro‐optical properties of a ′′side‐on′′ liquid crystalline polysiloxane (PS) are investigated. A large ER effect is observed and the response to the shear stress of neat PS in the nematic phase is shown to be affected by the shear rate. PS is also mixed with a low‐molar nematic liquid crystal (5CB) in order to improve the response behavior to the applied electric field. The rheological properties of such mixtures are highly dependent on the concentration of 5CB. The composites respond faster to the applied electric field and have improved electro‐optical properties. This study offers a new perspective on the development of liquid crystal materials for the ER effect.
Microwave‐Assisted Synthesis of HKUST‐1 and Functionalized HKUST‐1‐@H3PW12O40: Selective Adsorption of Heavy Metal Ions in Water Analyzed with Synchrotron Radiation
Authors: Zou Fang , Yu Runhan , Li Rongguan , Li Wei
Published: July 2013

A simple, rapid and efficient synthesis of the metal‐organic framework (MOF) HKUST‐1 [Cu3(1,3,5‐benzene‐tri‐carboxilic‐acid)2] by microwave irradiation is described, which afforded a homogeneous and highly selective material. The unusually short time to complete the synthesis by microwave irradiation is mainly attributable to rapid nucleation rather than to crystal growth rate. Using this method, HKUST‐1‐MW (MW=microwave) could be prepared within 20 min, whereas by hydrothermal synthesis, involving conventional heating, the preparation time is 8 h. Work efficiency was improved by the good performance of the obtained HKUST‐1‐MW which exhibited good selective adsorption of heavy metal ions, as well as a remarkably high adsorption affinity and adsorption capacity, but no adsorption of Hg2+ under the same experimental conditions. Of particular importance is the preservation of the structure after metal‐ion adsorption, which remained virtually intact, with only a few changes in X‐ray diffraction intensity and a moderate decline in surface area. Synthesis of the polyoxometalate‐containing HKUST‐1‐MW@H3PW12O40 afforded a MOF with enhanced stability in water, due to the introduced Keggin‐type phosphotungstate, which systematically occluded in the cavities constituting the walls between the mesopores. Different Cu/W ratios were investigated according to the extrusion rate of cooper ions concentration, without significant structural changes after adsorption. The MOFs obtained feature particle sizes between 10–20 μm and their structures were determined using synchrotron‐based X‐ray diffraction. The results of this study can be considered important for potentially wider future applications of MOFs, especially to attend environmental issues.
Emotion‐Focused Therapy for the Treatment of Social Anxiety: An Overview of the Model and a Case Description
Authors: Shahar Ben
Published: July 2013

Emotion‐focused therapy (EFT) is an integrative and experiential treatment approach that views emotions as fundamentally adaptive and privileges attention to, and exploration of, emotional experiences. EFT has been demonstrated to be efficacious with depression, interpersonal trauma and marital discord, but application to anxiety disorders is in its initial stages. The purpose of this paper is to present the main principles of using EFT with socially anxious patients and to make the case that EFT is particularly well suited for working with this patient group. The primary change processes in EFT for social anxiety include improving emotion awareness, reducing experiential avoidance and the activation and transformation of shame that underlies the symptomatic anxiety. Such processes lead to less self‐criticism, to more self‐compassion and self‐soothing and to a more favourable perception of the self. A case example is used to illustrate how these principles were applied with a socially anxious patient. Copyright © 2013 John Wiley & Sons, Ltd.

Key Practitioner Message

Although cognitive‐behavioral therapies (CBT) are effective for social anxiety disorder (SAD), a substantial number of patients do not respond to CBT or remain considerably symptomatic at the end of treatment. Therefore, more treatment options for SAD are necessary in order to improve patient care.

Emotion‐focused therapy (EFT), which is an efficacious treatment for depression, complex trauma, and couples' distress may also be efficacious for SAD.

EFT offers an emotion‐based case formulation of SAD, in which social anxiety is conceptualized as secondary to primary maladaptive shame. A primary goal in EFT for SAD is to access and evoke shame in order to transform it.
Benzonitrile Insertion into Silylarylamides – ansa‐Bis(benzamidinate) Ligand Systems with Rigid o‐ and m‐Phenylene Linkers in the Synthesis of Lithium and Rare Earth Complexes
Authors: Skvortsov Grigorii G. , Fukin Georgy K. , Ketkov Sergey Yu. , Cherkasov Anton V. , Lyssenko Konstantin A. , Trifonov Alexander A.
Published: July 2013

The reactions of the lithium silylarylamides [1,2‐C6H4(NSiMe3)2Li2]2 and [1,3‐C6H4(NSiMe3)2Li2] with two equivalents of PhCN [tetrahydrofuran (thf), room temp.] is an efficient synthetic approach to the ansa‐bis(amidinate) ligand systems [1,2‐C6H4{NC(Ph)NSiMe3}2Li2(thf)]2 and [1,3‐C6H4{NC(Ph)NSiMe3}2Li2(thf)2]2, which were isolated in 54 and 60 % yields, respectively. However, lithium silylarylamide [2,6‐C5H3N(NSiMe3)2Li2] containing a pyridine fragment does not undergo PhCN insertion even at elevated temperatures (thf, toluene), and the reaction affords the silylarylamido complex [2,6‐C5H3N{NSiMe3}2Li2]3·(C6H5CN)4, which contains a coordinated benzonitrile molecule. The different reactivity of the compounds correlates with the changes in the molecular orbital energies estimated by DFT calculations. The salt metathesis reaction of anhydrous YCl3 with lithium amidinate [1,2‐C6H4{NC(Ph)NSiMe3}2Li2(thf)]2 in 2:1 molar ratio (thf, 20 °C) afforded a neutral bis(amidinate) chloro yttrium complex [1,2‐C6H4{NC(Ph)NSiMe3}2]YCl(thf)2 in 80 % yield. With NdCl3, the analogous reaction resulted in a trinuclear neodymium chloro ate complex with a rather unusual μ‐bridging lateral coordination of the amidinate fragment [1,2‐C6H4{NC(Ph)NSiMe3}2Nd(thf)(μ‐Cl)(1,2‐C6H4{NC(Ph)NSiMe3}2Nd{μ‐Cl}2)][Li(thf)2].
Copper C‐Nitroso Compounds: Activation of Hydroxylamines and NO Reactivity
Authors: Williams Kamille D. , Cardenas Allan Jay P. , Oliva Jennifer D. , Warren Timothy H.
Published: July 2013

Addition of nitrosobenzene to β‐diketiminato and tris(pyrazolyl)borate copper complexes [[Me2NNF6]Cu(NCMe)] (2) and [iPr2TpCu(NCMe)] (3) gives the corresponding nitrosobenzene adducts [[Me2NNF6]Cu(η2‐ONPh)] (5) and [iPr2TpCu{κ1‐N(O)Ph}] (6). Backbonding to the nitrosoarene is strongest via the η2‐ON binding mode, which is sterically inaccessible for the tris(pyrazolyl)borate complexes. The strength of the interaction is judged by the N–O bond length, the νNO stretching frequencies observed for 5 and 6, as well as by the DFT LUMO energies of 5‐η2‐ON, 5‐κ1‐N, 6‐κ1‐N, which range from highest to lowest. Nitrosoarene complexes 5 and 6 are also produced upon reaction of [[Me2NNF6]Cu(NCMe)] (2) and [iPr2TpCu(NCMe)] (3) with 2 equiv. N‐phenylhydroxylamine (PhNHOH), though a considerable amount of the azoxybenzene PhN=N(O)Ph is observed along with 6. The addition of slight excess of NO to 5 and 6 results in the formation of copper(II) diazeniumdiolates [[Me2NNF6]Cu(κ2‐O2N2Ph)] (7) and [iPr2TpCu(κ2‐O2N2Ph)] (8), which exhibit square‐planar and square‐pyramidal geometries, respectively. These findings give insight into PhNO and PhHNOH reactivity at copper(I) and foreshadow possible transformations of considerably more reactive nitroxyl (HNO) and hydroxylamine (H2NOH) analogues.
Synthesis, Structure, and Magnetic Properties of a Family of Heterometallic Pentanuclear [Co4Ln] (Ln = GdIII, DyIII, TbIII, and HoIII) Assemblies
Authors: Chandrasekhar Vadapalli , Das Sourav , Dey Atanu , Hossain Sakiat , Lloret Francesc , Pardo Emilio
Published: July 2013

The reaction of 6‐formyl‐2‐(hydroxymethyl)‐4‐methylphenol (LH2) with appropriate lanthanide salts followed by reaction with Co(OAc)2·4H2O afforded the pentanuclear heterobimetalllic compounds [Co4Ln(L)4(OAc)2(S)4](NO3)(S) [LnIII = GdIII, S = MeOH (1); LnIII = DyIII, S = H2O (2); LnIII = TbIII, S = MeOH (3); LnIII = HoIII, S = MeOH (4)] in good yields. All the compounds are stable in solution as confirmed by ESI‐MS studies. These complexes contain a distorted Co4 tetrahedral core, which encapsulates a central lanthanide ion. The CoII and LnIII ions are in an all‐oxygen environments. All the CoII ions possess a distorted octahedral geometry, and the LnIII ions are in a distorted square‐antiprismatic geometry. The magnetic properties of 1–4 have been investigated in the temperature range 2–300 K. In addition, the magnetic properties of 1 were fitted by using a Hamiltonian of the type H = HSO + Haxial + Hexchange + HZeeman. A moderately strong antiferromagnetic interaction between the nearest‐neighbour CoII ions was found, whereas the magnetic interaction between the CoII ions and the corresponding LnIII ions is negligible.
Water‐Soluble Half‐Sandwich RuII–Arene Complexes: Synthesis, Structure, Electrochemistry, DFT Studies, and Aqueous Phase Hydroformylation of 1‐Octene
Authors: Matsinha Leah C. , Malatji Peter , Hutton Alan T. , Venter Gerhard A. , Mapolie Selwyn F. , Smith Gregory S.
Published: July 2013

Water‐soluble mononuclear ruthenium complexes containing monodentate P‐donor ligands [1,3,5‐triaza‐7‐phosphaadamantane (PTA) and P(OMe)3], together with a mononuclear bidentate salicylaldimine ruthenium–arene complex, were synthesized from a water‐soluble dimeric ruthenium(II)–arene precursor. These complexes were used as catalyst precursors in the aqueous biphasic hydroformylation of 1‐octene. Hydroformylation reactions with these Ru‐arene complexes showed that the complexes are active hydroformylation catalyst precursors in water. The catalyst precursors convert 1‐octene into a range of products, which include aldehydes and alcohols, as well as isomerization and hydrogenation products. The less basic the ligand, the more it favoured the production of aldehydes. The relative basicity of the ligands P(OMe)3, PTA and the N,O‐chelating ligand was elucidated by cyclic voltammetry and supported by DFT calculations. The catalysts show good recyclability without a significant decrease in 1‐octene conversion. All of the catalysts could be reused three times.
The Effect of Aryl Substitution on the Properties of a Series of Highly Absorptive Cationic Iridium(III) Complexes Bearing Ancillary Bis(arylimino)acenaphthene Ligands
Authors: Hasan Kamrul , Zysman‐Colman Eli
Published: July 2013

A family of cationic heteroleptic iridium(III) complexes of the form [Ir(ppy)2(Ar‐BIAN)]PF6 (ppyH = 2‐phenylpyridine) in which Ar‐BIAN [bis(arylimino)acenaphthene] acts as an ancillary ligand were synthesized and characterized. Their ground‐state electronic structures were probed by UV/Vis spectroscopy and cyclic voltammetry. The X‐ray structure of [Ir(ppy)2(4‐MeO2CPh‐BIAN)]PF6 was solved. The first and second reduction wave potentials are strongly influenced by the substituent on the Ar‐BIAN ligand and follow a Hammett relationship. The absorption spectra for complexes incorporating an electron‐donating Ar‐BIAN ligand are noticeably redshifted, and absorption tails off past 800 nm. Notably, the absorption spectrum for [Ir(ppy)2(4‐NMe2Ph‐BIAN)]PF6 shows an intense band centered at 576 nm, and it was assigned computationally to a mixed metal‐to‐ligand charge‐transfer/ligand‐to‐ligand charge‐transfer state.