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VII Workshop AICIng 2017

Chimica Industriale - News - 9 April, 2017 - 19:31

Lo spirito fondatore dell’Associazione Italiana di Chimica per l’Ingegneria (AICIng) è volto a favorire l'incontro fra i propri docenti e i giovani ricercatori (dottorandi, post-doc, assegnisti), in particolare in workshop biennali organizzati al fine di favorire un arricchimento culturale e scientifico su argomenti di carattere trasversale.
L’incontro vuole affrontare il tema delle Tecnologie Chimiche nella preparazione, caratterizzazione, modellazione di nuovi materiali e materiali intelligenti ottenuti anche per auto-assemblaggio, materiali che possono trovare applicazioni innovative in settori che comprendono, ad esempio, quelli polimerici, i materiali per l'energia (fotovoltaico, celle a combustibile, batterie al Li), i bio- e nanomateriali al servizio della salute, i materiali per l'elettronica e per la sensoristica (in campo medico o di analisi ambientale, ad esempio).
Scopo del workshop è favorire una discussione del contributo che la chimica e le tecnologie relative forniscono all'ingegneria ed alle tecnologie in generale in questi ambiti.

Sono previsti 5 premi per dottorandi, dottorati o giovani assegnisti del valore di 250 euro.
Gli interessati dovranno indicare la partecipazione ai premi durante la sottomissione del contributo.

maggiori informazioni al sito del convegno

Biotech firm gets cash in J&J start-up competition

Chemical News - 7 April, 2017 - 21:04
Opportunity to collaborate with personal care products maker and access to R&D brings 11 start-ups to London event

From Tetrahedral Tetraphosphonic Acids E[<i>p</i>-C<sub>6</sub>H<sub>4</sub>P(O)(OH)<sub>2</sub>]<sub>4</sub> (E=C, Si) to Porous Cu- and Zn-MOFs with Large Surface Areas

Articles from Wiley - 7 April, 2017 - 00:00

From Tetrahedral Tetraphosphonic Acids E[p‐C6H4P(O)(OH)2]4 (E=C, Si) to Porous Cu‐ and Zn‐MOFs with Large Surface Areas

The percentage void volumes and the specific BET surface areas of the MOFs Cu2H4STPPA (1, 48.7 %, 794 m2/g), Zn2H4STPPA (2, 48.1 %, 565 m2/g) and Zn2H4MTPPA (3, 51.3 %, 927 m2/g) obtained from the tetraphenylmethane tetrakis-4-phosphonic acid (H8MTTPA) and tetraphenylsilane tetrakis-4-phosphonic acid (H8STPPA) under solvothermal conditions are amongst the highest reported for MOFs derived from phosphonic acids

[Communication]
Alexandra Schütrumpf, Aysun Bulut, Nele Hermer, Yunus Zorlu, Erdo&#x11F;an Kirpi, Norbert Stock, A. Özgür Yazayd&#x131;n, Gündo&#x11F; Yücesan, Jens Beckmann
ChemistrySelect, April 07, 2017, https://doi.org/10.1002/slct.201700573 Read article

An Insight into Substrate-Dependent Fluorination of some Highly Substituted Alicyclic Scaffolds

Articles from Wiley - 7 April, 2017 - 00:00

An Insight into Substrate‐Dependent Fluorination of some Highly Substituted Alicyclic Scaffolds

The substrate-directed fluorination of some highly-functionalized cyclopentane derivatives with multiple chiral centers has been investigated. The key steps of the stereocontrolled syntheses are the oxidative ring cleavage of the ring olefin bond of readily available diexo or diendo norbornene &#x3B2;-amino acid derivatives followed by transformation of the resulted dialdehyde stereoisomers by fluorination with chemodifferentiation.

[Full Paper]
Loránd Kiss, Ágnes Petrovszki, Csaba Vass, Melinda Nonn, Reijo Sillanpää, Matti Haukka, Santos Fustero, Ferenc Fülöp
ChemistrySelect, April 07, 2017, https://doi.org/10.1002/slct.201700403 Read article

Photocatalytic and Antibacterial Performance of α-Fe<sub>2</sub>O<sub>3</sub> Nanostructures

Articles from Wiley - 7 April, 2017 - 00:00

Photocatalytic and Antibacterial Performance of &#x3B1;‐Fe2O3 Nanostructures

Morphology engineered &#x3B1;-Fe2O3 nanostructures with magnificent photocatalytic activity and antibacterial property have been presented to address the long-standing environment issue. The visible-light photocatalytic activity of &#x3B1;-Fe2O3 nanostructures was evaluated by using them to degrade methylene blue (MB) dye under visible light irradiation in the presence of H2O2. Nano bead-like structure exhibited the greatest activity with 90% degradation efficiency. On the other hand all the shape variants of &#x3B1;-Fe2O3 nanostructures showed brilliant antibacterial effect against Escherichia coli bacterium.

[Full Paper]
T. K. Jana, A. Pal, A. K. Mandal, S. Sarwar, P. Chakrabarti, K. Chatterjee
ChemistrySelect, April 07, 2017, https://doi.org/10.1002/slct.201700294 Read article

Nonswellable Injectable Hydrogels Self-Assembled Through Non-Covalent Interactions

Articles from Wiley - 7 April, 2017 - 00:00

Nonswellable Injectable Hydrogels Self‐Assembled Through Non‐Covalent Interactions

Nonswellable hydrogels were developed using a very simple strategy based on non-covalent interactions. These hydrogels are shear-thinning, self-healing, self-standing, robust, biodegradable and biocompatible, making them valid candidates for injectable drug delivery systems.

[Communication]
Tiago B. Becher, Catia Ornelas
ChemistrySelect, April 07, 2017, https://doi.org/10.1002/slct.201700292 Read article

Convergent Synthesis of the Tetrasaccharide Repeating Unit of the <i>O</i>-Polysaccharide of <i>Salmonella enterica</i> O41

Articles from Wiley - 7 April, 2017 - 00:00

Convergent Synthesis of the Tetrasaccharide Repeating Unit of the O‐Polysaccharide of Salmonella enterica O41

Stereoselective [2+2] block glycosylation of suitably protected disaccharide derivatives furnished a tetrasaccharide derivative, which was deprotected to give the tetrasaccharide repeating unit corresponding to the cell wall O-antigen of S. enterica O41, which is responsible for several outbreaks of foodborne infections. Preparation of L-quinovosamine thioglycoside, a rare sugar derivative was accomplished and used in the glycosylation towards the formation of the target compound. The synthetic strategy includes synthesis of a &#x3B2;-D-mannosidic linkage, which is considered as a challenging step in terms of the stereo outcome of the glycosylation. All glycosylations were highly stereoselective and high yielding.

[Full Paper]
Ishani Bhaumik, Anup Kumar Misra
ChemistrySelect, April 07, 2017, https://doi.org/10.1002/slct.201700143 Read article

From CdS to Cu<sub>7</sub>S<sub>4</sub> Nanorods via a Cation Exchange Route and Their Applications: Environmental Pollution Removal, Photothermal Conversion and Light-Induced Water Evaporation

Articles from Wiley - 7 April, 2017 - 00:00

 Environmental Pollution Removal, Photothermal Conversion and Light‐Induced Water Evaporation

Photophysics and photocatalysis: chemical evolution of nanorods from CdS to Cu7S4, and their core/shell intermediate were synthesized to systematically investigated their applications in environmental pollution removal, photothermal conversion and light-induced water evaporation

[Full Paper]
Fujun Tao, Yuliang Zhang, Fuhua Zhang, Kai Wang, Xueting Chang, Yan An, Lihua Dong, Yansheng Yin
ChemistrySelect, April 07, 2017, https://doi.org/10.1002/slct.201700133 Read article

Efficient Method for Adsorbing Dye on TiO<sub>2</sub> Electrodes in DSC Production

Articles from Wiley - 7 April, 2017 - 00:00

Efficient Method for Adsorbing Dye on TiO2 Electrodes in DSC Production

Simple but efficient: For accelerating and controlling dye adsorption in a fabricating process of dye-sensitized solar cells, dye adsorption behaviour in a flowing dye solution were studied. The dye adsorption rate increased logarithmically with increasing the dye-solution flow rate. Using the correlation function describing the effect of a dye-solution flow rate, the dye adsorption rate can be controlled by just setting the dye concentration and the dye-solution flow rate independently.

[Full Paper]
Kenji Katsumata, Kenichi Okada
ChemistrySelect, April 07, 2017, https://doi.org/10.1002/slct.201700123 Read article

Effect of Quinoline Substitution on Water Oxidation by [Ru(Ql–tpy)(bpy)(OH<sub>2</sub>)](PF<sub>6</sub>)<sub>2</sub>

Articles from Wiley - 7 April, 2017 - 00:00

Effect of Quinoline Substitution on Water Oxidation by [Ru(Ql–tpy)(bpy)(OH2)](PF6)2

The mononuclear complex [Ru(Ql-tpy))(bpy)(OH2)]2+, has been synthesized and it's catalytic studies towards water oxidation in presence of CeIV as an oxidant, have been demonstrated. The terminal quinoline moiety behaves as an electron withdrawing group towards catalytic effect.

[Full Paper]
Jully Patel, Karunamay Majee, Manaswini Raj, Aditi Vatsa, Surabhi Rai, Sumanta Kumar Padhi
ChemistrySelect, April 07, 2017, https://doi.org/10.1002/slct.201700074 Read article

Cu (II)-β-CD as Water-Loving Catalyst for One-Pot Synthesis of Triazoles and Biofuels Intermediate at Room Temperature without Any Other Additive

Articles from Wiley - 7 April, 2017 - 00:00

Cu (II)‐&#x3B2;‐CD as Water‐Loving Catalyst for One‐Pot Synthesis of Triazoles and Biofuels Intermediate at Room Temperature without Any Other Additive

One-pot synthesis of water loving Cu(II)-&#x3B2;-CD complex and use as catalyst for one-pot synthesis of azide and 1,2,3-triazoles at room temperature without any other base additive. Products are easily separated by crystallization. More than 99 % selectivity and purity of azide and triazoles are achieved in aqueous phase. We are also explored this materials for the aldol condensation of aldehydes and ketonic moiety for biofuels interest.

[Full Paper]
Dinesh Gupta, Anju Mishra, Sabuj Kundu
ChemistrySelect, April 07, 2017, https://doi.org/10.1002/slct.201700020 Read article

Supramolecular Ensemble of Tetraphenylcyclopentadienone Derivative and HgO nanoparticles: A One-Pot Approach for the Synthesis of Quinoline and Quinolone Derivatives

Articles from Wiley - 7 April, 2017 - 00:00

 A One‐Pot Approach for the Synthesis of Quinoline and Quinolone Derivatives

Tetraphenylcyclopentadienone appended with thiophene has been designed and synthesized which exihibits aggregation induced emission enhancement in aqueous media. These emissive aggregates exhibit mercury induced emission enhancement in aqueous media and serve as reactors for the generation of mercury oxide nanoparticles. Further, the in situ generated supramolecular ensemble of tetraphenylcyclopentadienone aggregates and HgO nanomaterial show high catalytic efficiency in the reactions for the synthesis of N-heterocyclic derivatives through ortho C−H functionalization of unprotected anilines. In addition, this catalytic system has been utilized for the kynurenic acid methyl esters (KYNA methyl ester) derivatives based non-steroidal anti-inflammatory drug.

[Full Paper]
Meenal Kataria, Manoj Kumar, Vandana Bhalla
ChemistrySelect, April 07, 2017, https://doi.org/10.1002/slct.201602069 Read article

One-Pot Synthesis of Hexaacetylhexaazaisowurtzitane (HAIW) a Precursor of 2,4,6,8,10,12-Hexanitro-2,4,6,8,10,12-hexaazaisowurtzitane (HNIW-CL−20)

Articles from Wiley - 7 April, 2017 - 00:00

One‐Pot Synthesis of Hexaacetylhexaazaisowurtzitane (HAIW) a Precursor of 2,4,6,8,10,12‐Hexanitro‐2,4,6,8,10,12‐hexaazaisowurtzitane (HNIW‐CL−20)

The hexaacetylhexaazaisowurtzitane (HAIW) is prepared from hexabenzylhexaazaisowurtzitane (HBIW) with acetic anhydride in the presence of iron (II) chloride. The HAIW is converted quantitatively to HNIW (hexanitrohexaazaisowurtzitane) by nitration. The yield of HAIW is 85 % at the optimized conditions. The applications of HAIW to improving the production technologies of HNIW for its many advantages over batch reactions.

[Full Paper]
Dhanavel Sivakumar, Sandhirakasu Vembu, Sambandam Chandrakumari, Haridoss Manikandan, Vaidyanathan Venkatesan, Mannathusamy Gopalakrishnan
ChemistrySelect, April 07, 2017, https://doi.org/10.1002/slct.201602033 Read article

DDAB-Triggered, Size-Sorted, Instant Phase-Switching of Silver Nanoparticles

Articles from Wiley - 7 April, 2017 - 00:00

DDAB‐Triggered, Size‐Sorted, Instant Phase‐Switching of Silver Nanoparticles

The hydrophobic force gradient across the water-chloroform interface in presence of DDAB facilitated in obtaining the desired physical dimensions of the silver nanoparticles heading towards their self-assembly upto 0.5 &#x3BC;m. DDAB served as PTA and stabilizer both in this low cost and quick method for attaining narrow PSD of silver nanoparticles in organic phase. This approach may content the laboratory prototyping desire to obtain required particle size-window for its potential towards bio-sensing and electronics application.

[Full Paper]
Richa Mishra, Shubham Mishra, Chandan Upadhyay, Rajiv Prakash
ChemistrySelect, April 07, 2017, https://doi.org/10.1002/slct.201602012 Read article

Benzyl Alcohol Assisted Synthesis and Characterization of Highly Reduced Graphene Oxide (HRG)@ZrO<sub>2</sub> Nanocomposites

Articles from Wiley - 7 April, 2017 - 00:00

Benzyl Alcohol Assisted Synthesis and Characterization of Highly Reduced Graphene Oxide (HRG)@ZrO2 Nanocomposites

Solvothermal synthesis for the highly reduced graphene oxide (HRG) coated with ZrO2 nanoparticles using benzyl alcohol as solvent and stabilizing ligand is presented. The planar benzene ring of benzyl alcohol facilitates non-covalent functionalization of graphene sheets, rendering it rich with OH groups to nucleate ZrO2. Since benzyl alcohol route for the synthesis of metal oxides is well established, the protocol can be easily extended for the synthesis of other graphene-metal oxide nanocomposites.

[Full Paper]
Mohammed R. Shaik, Abdulhadi H. Al-Marri, Syed F. Adil, Nils Mohri, Bastian Barton, Mohammed R. H. Siddiqui, Abdulrahman Al-Warthan, Joselito P. Labis, Wolfgang Tremel, Mujeeb Khan, Muhammad N. Tahir
ChemistrySelect, April 07, 2017, https://doi.org/10.1002/slct.201601962 Read article

Synthesis and Electrocatalytic Activity of [FeFe]-Hydrogenase Model Complexes with Non-Innocent Chelating Nitrogen-Donor Ligands

Articles from Wiley - 7 April, 2017 - 00:00

Synthesis and Electrocatalytic Activity of [FeFe]‐Hydrogenase Model Complexes with Non‐Innocent Chelating Nitrogen‐Donor Ligands

A series of [FeFe]-hydrogenase models with non-innocent nitrogen ligands 2,2′-bipyridine and 2,2′-bipyrimidine are reported. Electrocatalytic studies in the presence of acetic acid reveal that swapping the 2,2′-bipyridine ligand with 2,2′-bipyrimidine renders the [FeFe] complex inactive towards hydrogen evolution.

[Full Paper]
Souvik Roy, Joseph A. Laureanti, Thomas L. Groy, Anne K. Jones
Eur. J. Inorg. Chem., April 07, 2017, https://doi.org/10.1002/ejic.201700123 Read article

Synthesis and Characterization of Bimetallic Single-Source Precursors (Ph<sub>3</sub>P)<sub>2</sub>M(µ-SEt)<sub>2</sub>E(SEt)<sub>2</sub> for MES<sub>2</sub> Chalcopyrite Materials (M = Cu, Ag and E = In, Ga, Al)

Articles from Wiley - 7 April, 2017 - 00:00

Synthesis and Characterization of Bimetallic Single‐Source Precursors (Ph3P)2M(µ‐SEt)2E(SEt)2 for MES2 Chalcopyrite Materials (M = Cu, Ag and E = In, Ga, Al)

A single synthetic strategy affords several bimetallic thiolate complexes combining Cu or Ag with Al, Ga, or In. These compounds, targeted as single-source precursors (SSPs) for ternary chalcogenide materials, adopt crystal structures with puckered MS2E rings and elongated M–S bonds, and as solids decompose in the 250–300 °C range.

[Full Paper]
Kelsey R. Margulieux, Chivin Sun, Matthew T. Kihara, Adam C. Colson, Lev N. Zakharov, Kenton H. Whitmire, Andrew W. Holland, Joshua J. Pak
Eur. J. Inorg. Chem., April 07, 2017, https://doi.org/10.1002/ejic.201700115 Read article

On the Mechanism of the Oxidative Cleavage of N-Heterocyclic-Carbene–Palladium Bonds with Iodine

Articles from Wiley - 7 April, 2017 - 00:00

On the Mechanism of the Oxidative Cleavage of N‐Heterocyclic‐Carbene–Palladium Bonds with Iodine

[Full Paper]
Eunsung Lee, Jaechul Lee, Dmitry V. Yandulov
Eur. J. Inorg. Chem., April 07, 2017, https://doi.org/10.1002/ejic.201700034 Read article

Alkynyldicobalt Derivatives of Dibenzosuberenol and Dibenzocyclooctatrien-5-ol: Ring Conformations, Ease of Carbonyl Elimination and Relevance to Pauson–Khand Cyclization

Articles from Wiley - 7 April, 2017 - 00:00

 Ring Conformations, Ease of Carbonyl Elimination and Relevance to Pauson–Khand Cyclization

(5-Alkynyl-5H-dibenzo[a,d]cycloheptatrien-5-ol)Co2(CO)6 clusters lose a carbon monoxide ligand and form the corresponding &#x3B7;2-alkene-µ-alkyne-Co2(CO)5 complexes under very mild conditions. However, the ease of carbonyl loss depends on the size and conformation of the central ring.

[Full Paper]
Sarah A. Brusey, Wen Shen, Helge Müller-Bunz, Yannick Ortin, Paul Evans, Michael J. McGlinchey
Eur. J. Inorg. Chem., April 07, 2017, https://doi.org/10.1002/ejic.201601538 Read article

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