środa, 28 lipca 2010

The role of aromatic interactions in the structure and energetics of benzyl ...

 
 

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przez RSC - Phys. Chem. Chem. Phys. latest articles autor: Luis M. N. B. F. Santos dnia 10-07-28

Carlos F. R. A. C. Lima, Carlos A. D. Sousa, Jose E. Rodriguez-Borges, Andre Melo, Ligia R. Gomes, John N. Low, Luis M. N. B. F. Santos
(Paper from Phys. Chem. Chem. Phys.)
Carlos F. R. A. C. Lima, Phys. Chem. Chem. Phys., 2010, DOI: 10.1039/c003941a
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Porous Coordination Polymers of Transition Metal Sulfides with PtS Topology ...

 
 

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przez Inorganic Chemistry: Latest Articles (ACS Publications) autor: Jun Zhang et al dnia 10-07-27

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sobota, 24 lipca 2010

The design of efficient and selective routes to pyridyl analogues of 3-oxo-3...

 
 

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Publication year: 2010
Source: Tetrahedron Letters, In Press, Accepted Manuscript, Available online 22 July 2010
Gerald, Brooks , Steven, Dabbs , David T., Davies , Alan J., Hennessy , Graham E., Jones , ...
This paper describes the synthesis of challenging pyridyl analogues of 3-oxo-3,4-dihydro-2H-1,4-(benzothiazine or benzoxazine)-6-carbaldehydes. The six different routes described are high yielding, contain no major purification issues and have been used to give gram quantities of each aldehyde

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This paper describes the synthesis of six challenging aldehydes that were unknown in the literature at the time of this work. Six different routes are discussed that are high yielding, contain no major purification issues and have been used to give gram quantities of each aldehyde.
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Dihydrogen Bond Cooperativity in Aza-borane Derivatives


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Dihydrogen Bond Cooperativity in Aza-borane Derivatives

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From Synchronous to Sequential Double Proton Transfer: Quantum Dynamics Simulations for the Model Porphine†


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From Synchronous to Sequential Double Proton Transfer: Quantum Dynamics Simulations for the Model Porphine†

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Conformations, Conformational Preferences, and Conformational Exchange of N′-Substituted N-Acylguanidines: Intermolecular Interactions Hold the Key


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Conformations, Conformational Preferences, and Conformational Exchange of N′-Substituted N-Acylguanidines: Intermolecular Interactions Hold the Key

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piątek, 23 lipca 2010

Validation of dispersion-corrected density functional theory calculations fo...

 
 

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przez RSC - CrystEngComm latest articles autor: Marc-Antoine Perrin dnia 10-07-23

Jacco van de Streek, Marcus A. Neumann, Marc-Antoine Perrin
(Paper from CrystEngComm)
Jacco van de Streek, CrystEngComm, 2010, DOI: 10.1039/c0ce00021c
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H-Bonded metallomesogens derived from salicyladiminates

 
 

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Publication year: 2010
Source: Tetrahedron, Volume 66, Issue 32, 7 August 2010, Pages 6101-6112
Sih-Yeh, Li , Chun-Jung, Chen , Po-Yuan, Lo , Hwo-Shuenn, Sheu , Gene-Hsiang, Lee , ...
A series of new mesogenic compounds 1a–b (n=8, 10, 12, 14, 16) derived from salicyladimines and their palladium 2a, 2b, vanadyl 2a, and copper complexes 3a, 3b were prepared and their mesomorphic properties investigated by optical microscopy, differential scanning calorimetry and powder X-ray diffractometry. Pd2+ and VO2+ ions formed mononuclear complexes, whereas, Cu2+ion formed binuclear complexes due to the relative acidic strength of Schiff base. Single crystallographic analysis of non-mesogenic compound 2a (n=8) confirmed its coordination geometry at Pd2+ as square plane. It crystallizes in a triclinic space group P−1 with a Z=1. As expected, the Pd2+ was coordinated via...

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Transition Metal Complexes Supported by a Neutral Tetraamine Ligand Containi...

 
 

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przez Inorganic Chemistry: Latest Articles (ACS Publications) autor: Lei Chu et al dnia 10-07-21

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wtorek, 20 lipca 2010

Experimental and Theoretical Study of Halogen-Bonded Complexes of DMAP with ...

 
 

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Azodicarboxamides as Template Binding Motifs for the Building of Hydrogen-Bo...

 
 

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poniedziałek, 19 lipca 2010

Copper-Catalyzed Synthesis of Phenanthridine Derivatives under an Oxygen Atm...

 
 

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Is There a Lower Limit to the CC Bonding Distances in Neutral Radical π-Dime...

 
 

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Pressure-Induced Polymerization of Acrylic Acid: A Raman Spectroscopic Study

 
 

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Ten Polymorphs of NH+···N Hydrogen-Bonded 1,4-Diazabicyclo[2.2.2]octane Comp...

 
 

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Excited-State Intramolecular Proton Transfer (ESIPT) Fine Tuned by Quinoline...

 
 

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niedziela, 18 lipca 2010

Pairing Fullerenes and Porphyrins: Supramolecular Wires That Exhibit Charge Transfer Activity


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Pairing Fullerenes and Porphyrins: Supramolecular Wires That Exhibit Charge Transfer Activity

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wtorek, 13 lipca 2010

K2CO3-assisted one-pot sequential synthesis of 2-trifluoromethyl-6-difluorom...

 
 

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Publication year: 2010
Source: Tetrahedron Letters, In Press, Accepted Manuscript, Available online 13 July 2010
Li, Shen , Song, Cao , Jingjing, Wu , Hui, Li , Jian, Zhang , ...
A novel synthesis of 2-trifluoromethyl-6-difluoromethylpyridine-3,5-dicarboxylates by three-component reaction of ethyl trifluoroacetoacetate, aldehydes and ammonium acetate in the presence of K2CO3 under solvent-free conditions via sequential Hantzsch reaction/dehydration/dehydrofluorination in a one-pot process was described.

Graphical abstract

A novel synthesis of 2-trifluoromethyl-6-difluoromethylpyridine-3,5-dicarboxylates via K2CO3-assisted one-pot sequential Hantzsch reaction/dehydration/dehydrofluorination under solvent-free conditions was described.
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poniedziałek, 12 lipca 2010

A Heteroleptic Bis(tridentate)ruthenium(II) Polypyridine Complex with Improv...

 
 

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przez Inorganic Chemistry: Latest Articles (ACS Publications) autor: Aaron Breivogel et al dnia 10-07-06

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Rotational and Core Level Spectroscopies As Complementary Techniques in Tautomeric/Conformational Studies: The Case of 2-Mercaptopyridine


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Rotational and Core Level Spectroscopies As Complementary Techniques in Tautomeric/Conformational Studies: The Case of 2-Mercaptopyridine

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The growing world of crystal forms


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The growing world of crystal forms


Dario Braga, Fabrizia Grepioni, Lucia Maini

(Feature Article from Chem. Commun.)

Dario Braga, Chem. Commun., 2010, DOI: 10.1039/c0cc01195a

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piątek, 9 lipca 2010

Weak non-covalent interactions control the relative molecular orientation in the crystals of N-pentafluorobenzyl aniline derivatives


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Weak non-covalent interactions control the relative molecular orientation in the crystals of N-pentafluorobenzyl aniline derivatives


Markus Albrecht, Michael Muller, Arto Valkonen, Kari Rissanen

(Paper from CrystEngComm)

Markus Albrecht, CrystEngComm, 2010, DOI: 10.1039/c003636f

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Hierarchy of Supramolecular Synthons: Persistent Hydrogen Bonds Between Carboxylates and Weakly Acidic Hydroxyl Moieties in Cocrystals of Zwitterions


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Hierarchy of Supramolecular Synthons: Persistent Hydrogen Bonds Between Carboxylates and Weakly Acidic Hydroxyl Moieties in Cocrystals of Zwitterions

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wtorek, 6 lipca 2010

Fluoride Ion Complexation and Sensing Using Organoboron Compounds


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Fluoride Ion Complexation and Sensing Using Organoboron Compounds

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Current Progress on the Chemical Modification of Carbon Nanotubes


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Current Progress on the Chemical Modification of Carbon Nanotubes

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Relevance of Weak Hydrogen Bonds in the Conformation of Organic Compounds and Bioconjugates: Evidence from Recent Experimental Data and High-Level ab Initio MO Calculations


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Relevance of Weak Hydrogen Bonds in the Conformation of Organic Compounds and Bioconjugates: Evidence from Recent Experimental Data and High-Level ab Initio MO Calculations

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The first examples of supramolecular discotic C3h tris(N-salicylideneamine)s...

 
 

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Publication year: 2010
Source: Tetrahedron Letters, In Press, Accepted Manuscript, Available online 1 July 2010
C.V., Yelamaggad , Rashmi, Prabhu , D.S. Shankar, Rao , S. Krishna, Prasad
Supramolecular liquid crystalline tris(N-salicylideneamine)s (TSANs) featuring both inter- and intra-molecular hydrogen bonding have been synthesized and characterized for the first time. These TSANs formed by condensing three equivalents of 3,4,5-trialkoxybenzoylhydrazine with 1,3,5-triformylphloroglucinol exist as the single C3h-symmetric keto-enamine product solely, unlike the previously reported TSANs. Their self-assembly into supramolecular fluid hexagonal columnar phase over a wide thermal range is evidenced with the aid of optical microscopic, calorimetric and powder X-ray diffraction techniques.

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A pyridinium cation-[small pi] interaction sensor for the fluorescent detect...

 
 

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przez RSC - Chem. Commun. latest articles autor: John S. Fossey dnia 10-07-05

Wenbo Chen, Souad A. Elfeky, Yse Nonne, Louise Male, Kabir Ahmed, Claire Amiable, Philip Axe, Shinji Yamada, Tony D. James, Steven D. Bull, John S. Fossey
(Communication from Chem. Commun.)
Wenbo Chen, Chem. Commun., 2010, DOI: 10.1039/c0cc01420f
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Synthesis of π-Conjugated Polymers Containing Organoboron Benzo[h]quinolate ...

 
 

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przez Macromolecules: Latest Articles (ACS Publications) autor: Yuichiro Tokoro et al dnia 10-07-02

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niedziela, 4 lipca 2010

New class of highly stable nonaromatic tautomers


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New class of highly stable nonaromatic tautomers


Claire Seillan, Philippe Marsal, Olivier Siri

(Paper from Org. Biomol. Chem.)

Claire Seillan, Org. Biomol. Chem., 2010, DOI: 10.1039/c003450a

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The Hydrogen-Bonded 2-Pyridone Dimer Model System. 1. Combined NMR and FT-IR Spectroscopy Study


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The Hydrogen-Bonded 2-Pyridone Dimer Model System. 1. Combined NMR and FT-IR Spectroscopy Study

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Linear Free Energy Relationships Demonstrate a Catalytic Role for the Flavin Mononucleotide Coenzyme of the Type II Isopentenyl Diphosphate:Dimethylallyl Diphosphate Isomerase


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Linear Free Energy Relationships Demonstrate a Catalytic Role for the Flavin Mononucleotide Coenzyme of the Type II Isopentenyl Diphosphate:Dimethylallyl Diphosphate Isomerase

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“On−Off” Au(I)···Cu(I) Interactions in a Au(NHC)2 Luminescent Vapochromic Sensor


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"On−Off" Au(I)···Cu(I) Interactions in a Au(NHC)2 Luminescent Vapochromic Sensor

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Rapid Covalent Ligation of Fluorescent Peptides to Water Solubilized Quantum Dots


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Rapid Covalent Ligation of Fluorescent Peptides to Water Solubilized Quantum Dots

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czwartek, 1 lipca 2010

Short Access to 6-Substituted Pyrimidine Derivatives by the SRN1 Mechanism. ...

 
 

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przez The Journal of Organic Chemistry: Latest Articles (ACS Publications) autor: Javier I. Bardagí et al dnia 10-06-30

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Flexibility of Shape-Persistent Molecular Building Blocks Composed of p-Phen...

 
 

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