Journal of Molecular Catalysis A: Chemical 383–384 (2014) iv–xiii

doi:10.1016/S1381-1169(14)00033-8

Contents

• Small cubic Ni nanoparticles, with d < 8 nm, were prepared. • Unsupported Ni NPs show high activity in ethanol decomposition at 523 K. • High ESR activity with considerable amounts of CH4 is observed at 773 K. • Ni NPs are not active in CO2 methanation, while Ni/Al2O3 catalyst is very active.

Paola Riani, Gabriella Garbarino, Mattia Alberto Lucchini, Fabio Canepa, Guido Busca

Journal of Molecular Catalysis A: Chemical 383–384 (2014) 10

Unsupported versus alumina-supported Ni nanopar-ticles as catalysts for steam/ethanol conversion and CO2 methanation

• Formamidation and amination of different arylboronic acids using rGO/Cu NPs. • The catalyst was characterized using the powder XRD, SEM, BET and EDS spectroscopy. • Catalyst can be easily recovered and reused. • Operational simplicity, short reaction times and high yields.

Parisa Fakhri, Babak Jaleh, Mahmoud Nasrollahzadeh


Synthesis and characterization of copper nanopar-ticles supported on reduced graphene oxide as a highly active and recyclable catalyst for the synthesis of formamides and primary amines

• Thermocatalytic degradation reaction at near room temperature was demonstrated. • NiCoMnO4 was confi rmed to be high-efficiency thermocatalyst. • The optimal removal effi ciency was up to 92.3%. • A new probable thermocatalytic degradation mechanism was proposed.

Ke Li, Xuegang Luo, Xiaoyan Lin, Fangwei Qi, Pei Wu


Novel NiCoMnO4 thermocatalyst for low-temperature catalytic degradation of methylene blue

Contents lists available at ScienceDirect

Journal of Molecular Catalysis A: Chemical

journal homepage: www.elsevier .com/locate/molcata

Contents v

Anqing Zheng, Zengli Zhao, Sheng Chang, Zhen Huang, Hongxiang Wu, Xiaobo Wang, Fang He, Haibin Li


Effect of crystal size of ZSM-5 on the aromatic yield and selectivity from catalytic fast pyrolysis of biomass

• Using more accessible 8-quinolinolato iron(III) (Q3FeIII) complexes to catalyze the selective oxidation of organic compounds by hydrogen peroxide. • Important substitu-ent’s effect of the Q3FeIII catalyst on their oxidative activity. • Signifi cant and outstanding accelerating effect of visible light on the Q3FeIII-catalyzed oxidations.

Yongjun Wang, Zaihui Fu, Xu Wen, Chunying Rong, Wenfeng Wu, Chao Zhang, Jie Deng, Baohua Dai, Steven Robert Kirk, Dulin Yin


8-Quinolinolato iron(III)-catalyzed oxygenation of cyclohexane with hydrogen peroxide under heating or visible light irradiation

• Facile synthesize graphene sup-ported Ag@Co core–shell NPs. • The catalysts exhibit excellent catalytic activity toward hydrolysis of AB and MeAB. • The catalysts show good durable stability and magneti-cally recyclability.

Cheng Du, Jun Su, Wei Luo, Gongzhen Cheng


Graphene supported Ag@Co core–shell nanopar-ticles as effi cient catalysts for hydrolytic dehydro-genation of amine boranes

• m-Phenylenediamine is produced selectively on gold on mag-netic supports. • Au�� sites were evidenced on Au/Fe3O4-SiO2. • The presence of Fen+ sites prevents the formation of interme-diate hydroxylamines. • Au/Fe3O4 and Au/Fe3O4-SiO2 catalysts aremagnetically separable and easily recyclable.

José J. Martínez, Hugo Rojas, Lizbeth Vargas, Carlos Parra, María H. Brijaldo, Fabio B. Passos


Hydrogenation of m-dinitrobenzene over Au catalysts on magnetic supports

• Product distributions from CFP were signifi cantly affected by crystal size of ZSM-5. • ZSM-5 with crystal size of 200 nm exhibited maximum yield of aromatics. • Hemicellulose, cellulose and lignin play very different roles in CFP of biomass.

vi Contents

• {1 0 0} facet enclosed Pd nanocubes with different size (7, 9, and 17 nm) were synthesized. • Pd nanocubes impregnated on the silica retained their size and shape. • We fi rst investigated the activity of model Pd catalysts for the synthesis of H2O2.

• The activity of rare earth oxide for NO decomposition was improved by addition of Ba. • Ba species interact with relatively weak basic sites on rare earth oxide. • Highly dispersed Ba species acts as catalytically active sites. • N2 is formed via surface reaction of nitrite species with NO.

• A new catalyst has been prepared by immobilizing Co/Mn nano-hybrid particles on calcined Cow bone. • Co/Mn containing catalysts have been tested in the oxidation of diphenylmethane under diverse conditions. • This work is the second detailed report of the effect of calcined bone as convenient supports for the Co/Mn catalyst.

• We immobilized two single-site catalysts producing bimodal PE-blends. • The infl uence of the immobilization procedure was investigated. • Sequential cosupporting was preferred with respect to the simultaneous procedure. • The blend composition was also determined by the ratio of the so-supported catalysts.

Yasuyuki Doi, Masaaki Haneda, Masakuni Ozawa


Direct decomposition of NO on Ba catalysts supported on rare earth oxides

Seongmin Kim, Dae-Won Lee, Kwan-Young Lee


Direct synthesis of hydrogen peroxide from hydrogen and oxygen over single-crystal cubic palladium on silica catalysts

B.H. Monjezi, M.E. Yazdani, M. Mokfi, M. Ghiaci


Liquid phase oxidation of diphenylmethane to benzophenone with molecular oxygen over nano-sized Co–Mn catalyst supported on calcined Cow bone

Alexander Kurek, Stefan Mark, Markus Enders, Markus Stürzel, Rolf Mülhaupt


Two-site silica supported Fe/Cr catalysts for tailoring bimodal polyethylenes with variable content of UHMWPE

Contents vii

• Green synthesis of chlorobenzene with low toxicity caprolactam Brønsted acidic ionic liquids. • Investigation of the reaction conditions on the synthesis of chlorobenzene. • The reasonable explanations for improving the yield and regioselectivity.

• A Pd-catalyzed intermolecular aerobic dehydrogenative aromatizations of cyclohexanones with aryl sulfonamides is described. • Cyclohexanones acted as aryl sources via dehydrogenation and tautomerization. • Various N-aryl sulfonamides were selectively obtained in good yield using molecular oxygen as oxidant. • Functional groups were well tolerated under the optimized reaction conditions.

• Carbon coated nitrogen doped P25 was prepared via urea as carbon and nitrogen precursor. • Beside doped N, thin graphitic C coating of 2.04 nm observed on P25 particles. • Reduced Eg on modified photocatalysts improved the photocatalytic activity under visible light irradiation. • Enhanced photocatalytic activity was due to low recombination of e− and h+. • Stable photocata-lytic effi ciency over extended recycled applications.

• (ArO)TiR3 (X = NMe2, Cl, CH2Ph) complexes for highly syndiospecific styrene polymerization were synthesized. • ArOTiX3 could promote the styrene syndiotactic polymerization smoothly at high temperature (110–130�C) for at least 4 h. • (2-(Tert-butyl)-6-dimethylphenoxy)titanium(IV) trichlorides gave the highest activity (1.95 × 105g sPS/mol(Ti) h) in the styrene polymerization at 110�C. • It provides a potential way to develop thermal stable styrene syndiospecifi c polymerization catalyst.

Cun Zhang, Mei-Jing Yu, Xiao-Yu Pan, Guo Wu, Liang Jin, Wei-Dan Gao, Meng Du, Jun-Chao Zhang


Regioselective mononitration of chlorobenzene using caprolactam-based Brønsted acidic ionic liquids

Xiangxiang Cao, Yang Bai, Yanjun Xie, Guo-Jun Deng


Palladium-catalyzed arylation of aryl sulfonamides with cyclohexanones

W.I. Nawawi, M.A. Nawi


Carbon coated nitrogen doped P25 for the photo-catalytic removal of organic pollutants under solar and low energy visible light irradiations

Chongjie Xu, Zhou Chen, Gang Ji, Xiu-Li Sun, Jun-Fang Li, Yong Tang


(ArO)TiR3 complexes for highly syndiospecific styrene polymerization

viii Contents

• A tandem catalytic system consisting of Fe and Ti non-metallocene catalysts. • In situ copolymerize ethylene to LLDPE with high activity. • LLDPE with various branches including ethyl, butyl and longer branches. • The branching degrees can be tuned effi ciently from 4.6 to 39.3/1000C.

• Micelles allow to perform mononuclear rearrangement (MRH) of heterocycles in water. • Micelles allow to clarify the interplay of two opposite factors. • In charged micelles MRH is driven by the acidity of the nitrogen-bonded proton. • In aprotic micelles nitrogen nucleophilicity and N—N bond formation drive the MRH.

• Cu-SBA15 catalysts are active in hydrogenation of furfural to furfuryl alcohol. • The Cu-support interaction is higher for intermediate copper loading (15 wt%). • Long term stability is improved in comparison with copper chromite. • Selectivity to furfuryl alcohol is higher at low reaction temperature.

Guangyong Xie, Xiang Zhang, Tingcheng Li, Long Li, Gongyi Liu, Aiqing Zhang


Preparation of linear low-density polyethylene from ethylene by tandem catalysis of iron and titanium non-metallocene catalysts

Susanna Guernelli, Romina Zappacosta, Gabriella Siani, Domenico Spinelli, Antonella Fontana


Elucidating chemical reactivity and transition state of mononuclear rearrangement of heterocycles through the use of compartimentalized micellar media

D. Vargas-Hernández, J.M. Rubio-Caballero, J. Santamaría-González, R. Moreno-Tost, J.M. Mérida-Robles, M.A. Pérez-Cruz, A. Jiménez-López, R. Hernández-Huesca, P. Maireles-Torres


Furfuryl alcohol from furfural hydrogenation over copper supported on SBA-15 silica catalysts

• The combination of AgBr–Ag3PO4 and MWCNTs effi ciently reduced its photocorrosion. • Mechanisms of enhanced photocatalytic activity of AgBr–Ag3PO4/MWCNTs were revealed. • Possible degradation pathways of basic fuchsin and basic red 9 were proposed.

Shaomang Wang, Dinglong Li, Cheng Sun, Shaogui Yang, Yuan Guan, Huan He


Highly effi cient photocatalytic treatment of dye wastewater via visible-light-driven AgBr–Ag3PO4/MWCNTs

Contents ix

• Synthesis of methoxysilane Schiff-base penta-coordinate metal complexes. • Immobilized complexes into HMS as supported catalysts. • Gas–liquid phase O2 oxidation of cyclohexane. • High catalytic TONs and product selective. • Proposed reaction mechanism.

Kelly Machado, Pedro B. Tavares, Gopal S. Mishra


Synthesis and application of FeIII, NiII and MnII complexes anchored to HMS as effi cient catalysts for cycloalkane oxyfunctionalization

• Novel air-stable Cp�Co(I)-complex with alkyl-siloxane tether as solid support linker. • Optimized synthesis of substituted cyclopentadienes and air-stable Cp�Co(I)-complex. • Investigation of Cp�Co(I)-complex toward support on sol–gel matrices as well as SiO2. • Solid phase-supported Cp�Co(I)-catalysts for cyclotrimerizations affording pyridines. • Best results for SiO2-supported catalyst in reaction between diyne and nitrile.

Indre Thiel, Marko Hapke


The fi rst solid-supported Cp�Co(I)-catalyst for the synthesis of pyridines

• New Cr(III) complexes with tridentate base Schiff NN�O-donor have been prepared. • These complexes with a co-catalyst are active catalysts in the coupling of CO2/epoxides. • Up to 900 g of polycarbonate/g Cr was obtained from cyclohexene oxide/CO2. • A conversion up to 97% in cyclic carbonate was obtained from styrene oxide/CO2.

Siham Iksi, Ali Aghmiz, Raquel Rivas, M. Dolores González, Laia Cuesta-Aluja, Javier Castilla, Arantxa Orejón, Farid El Guemmout, Anna M. Masdeu-Bultó


Chromium complexes with tridentate NN�O Schiff base ligands as catalysts for the coupling of CO2 and epoxides

• Aryl-based ferrocenyl phosphine [Fe{1–PPh2(spacer)-2-NMe2CH2C5H3}(C5H5)] ligands. • Rhodium(I)-catalyzed hydroformylation of styrene, allylbenzene and 1-hexene. • Higher chemo- and regioselectivity than with rhodium(I) catalyst precursors alone. • 31P{1H} NMR of phosphine selenides for elucidating the �-donor properties.

Martyna Madalska, Peter Lönnecke, Evamarie Hey-Hawkins


Aryl-based ferrocenyl phosphine ligands in the rhodium(I)-catalyzed hydroformylation of olefi ns

x Contents

• The low-temperature activity of Au–CeO2 catalyst in benzene oxidation depended mainly on the microstructure of CeO2. • The red-shift of F

2g band of CeO2 in Raman

spectroscopy presented an obvious relevance with the low-temperature activity. • The red-shift of F

2g of Au–CeO2 catalyst

prepared by Adsorbed-Layer Reactor Technique changed with the amount of NaOH preaddition in preparation. • The doping of other metal ion could change F

2g and low-

temperature activity.

Xin Jiang, Jiefeng Hua, Hui Deng, Zhongbiao Wu


Infl uence of pre-added NaOH on the microstructure of Au–CeO2 catalyst and its activity for benzene oxidation

• Calcination of sol–gel TiO2 under H2 created more surface Ti3+ than in air. • Catalyst performance in selective acetylene hydrogenation improved using TiO2-H2. • Higher Pd dispersion and more isolated adsorption sites were obtained on TiO2-H2. • The catalysts were prepared by impregnation and electroless deposition techniques. • The effectiveness of TiO2-H2 was confi rmed for both methods and Pd 0.5–1 wt.%.

Sumonrat Riyapan, Yuttanant Boonyongmaneerat, Okorn Mekasuwandumrong, Hiroshi Yoshida, Shin-Ichiro Fujita, Masahiko Arai, Joongjai Panpranot


Improved catalytic performance of Pd/TiO2 in the selective hydrogenation of acetylene by using H2-treated sol–gel TiO2

• Polystyrene grafted and neat vanadium (IV and V) complexes are reported. • These complexes catalyze the oxidation of styrene and cyclohex-ene. • Polymer grafted complexes are stable and recyclable.

Mannar R. Maurya, Naveen Kumar


Chloromethylated polystyrene cross-linked with divinylbenzene and grafted with vanadium(IV) and vanadium(V) complexes having ONO donor ligand for the catalytic activity

• Sulfonic acid-functionalized MIL-101 prepared by one-pot synthesis strategy. • The developed SO3H-MIL-101 applied in liquid-phase acetalization. • SO3H-MIL-101 is an effi cient heterogeneous catalyst in liquid-phase acetalization.

Yan Jin, Jing Shi, Fumin Zhang, Yijun Zhong, Weidong Zhu


Synthesis of sulfonic acid-functionalized MIL-101 for acetalization of aldehydes with diols

Contents xi

• The catalyst has been proved much more effi cient for cyclohexene oxidation. • The preparation method is simple and economical. • The catalyst can be easily separated by external magnetic fi eld and has exhibited excellent reusability. • The catalytic system is environmen-tally friendly.

Xiaodong Cai, Haiyan Wang, Qianping Zhang, Jinhui Tong, Ziqiang Lei


Magnetically recyclable core–shell Fe3O4@chitosan-Schiff base complexes as effi cient catalysts for aerobic oxidation of cyclohexene under mild conditions

• Aqueous solution of azo-dye methyl orange was degraded by layered K4Nb6O17 under UV irradiation. • A synergistic effect of the dissolved oxygen molecules and surface bridging hydroxyl groups plays a key role in the photocatalysis. • An appropriate deposition of Au nanoparticles on the surface of K4Nb6O17 signifi cantly enhances its photocatalytic activity.

Yanning Cao, Lilong Jiang, Huifang Guo, Qi Zheng


Nano-layered K4Nb6O17 as an effi cient photocatalyst for methyl orange degradation: Infl uence of solution pH and surface-dispersed gold nanoparticles

• Ru(III) chloride-catalysed oxidation of �-amino acids by Chloramine-T (CAT). • Rate = k�[CAT]o [AA]x

o [H+]y [Ru(III)], where x and y are fractions. • Nearly constant values of �G‡ show a similar mechanism for all the four amino acids. • The proposed reaction mechanism and the derived rate law are consistent with the observed experimental results.

P.A. Prashanth, B.K. Kempe gowda, S. Ananda, K.S. Rangappa, M.N. Kumara


Ru(III) chloride-catalysed oxidation of some �-amino acids by sodium-N-chloro-p-toluenesulfonamide(CAT) in hydrochloric acid medium: Mechanistic investigation and kinetic modeling

• BaO modifi cation promoted the activity for propene oxidation, while sulfation inhibited it. • Propene oxidation on Pt/Al2O3 undergoes the path from acrylates to carboxylates and formates and oxidized into CO2 and H2O. • The improving effect is related to the active oxygen at Pt–Ba interface and the active enolic species formed during the reaction. • The inhibition is related to the alteration of partial Pt0 to Pt�, strong adsorption of propene on the catalysts surface and poisoning effect caused by intermediate CO.

Jie Wan, Rui Ran, Min Li, Xiaodong Wu, Duan Weng


Effect of acid and base modifi cation on the catalytic activity of Pt/Al2O3 for propene oxidation

xii Contents

• Pt–Cu catalyst reduces nitrate ions using a consecutive mechanism. • The electron transfer reaction favors ammonia formation. • The catalytic hydrogenation reaction favors molecular nitrogen formation.

M.A. Hasnat, M.A. Rashed, S. Ben Aoun, S.M. Nizam Uddin, M. Saiful Alam, S. Amertharaj, R.K. Majumder, N. Mohamed


Dissimilar catalytic trails of nitrate reduction on Cu-modifi ed Pt surface immobilized on H conducting solid polymer

• The spillover of hydrogen from Ni to Cu was observed. • Hydrogen selectively adsorbs on Ni sites on Ni–Cu bimetallic catalysts under UHV conditions. • Hydrogen spillover could result in failure of active sites measurement by selective hydrogen adsorptions.

Yunxi Yao, D. Wayne Goodman


Direct evidence of hydrogen spillover from Ni to Cu on Ni–Cu bimetallic catalysts

• The plasmonic Ag@AgCl-sensitized K2Ti4O9 composite photocatalysts. • Ag@AgCl greatly increased visible light absorption for K2Ti4O9. • The plasmonic photocatalysts exhibited enhanced activity for the degradation of RhB.

Yinghua Liang, Shuanglong Lin, Jinshan Hu, Li Liu, Joanne Gamage McEvoy, Wenquan Cui


Facile hydrothermal synthesis of nanocomposite Ag@AgCl/K2Ti4O9 and photocatalytic degradation under visible light irradiation

• TiO2 nanomaterials are active catalysts for the oxidation of hydrocarbons. • The activities are infl uenced by the nature of the catalyst. • Catalyst’s surface area, crystalline phase and morphology are important aspects. • These catalytic systems do not require the presence of noble metals. • Our catalyst could be recycled for at least fi ve runs during cyclohexene oxidation.

Muhammad I. Qadir, Jackson D. Scholten, Jairton Dupont


TiO2 nanomaterials: Highly active catalysts for the oxidation of hydrocarbons

Contents xiii

• The coupling reactions performed under aerobic and low catalyst loading. • Effi cient molecular pre-catalysts are presented in Heck and Suzuki reactions. • Symmetrical and unsymmetrical phosphorus ylides are the active ligands in C—C coupling. • High yields were obtained in the reaction of ethylphenylboranic acid and ethyl acrylate with aryl bromide and chloride. • Filtration experiments and poisoning studies indicate the active Pd (0) homogeneous species.

Seyyed Javad Sabounchei, Mohsen Ahmadi, Mohammad Panahimehr, Fateme Akhlaghi Bagherjeri, Zahra Nasri


Phosphine mono- and bis-ylide palladacycles as homogeneous molecular precatalysts: Simple and effi cient protocol greatly facilitate Suzuki and Heck coupling reactions

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