OrgChem - interesting papers: kwietnia 2009

wtorek, 28 kwietnia 2009

Microwave-Promoted Solid-Acid-Catalyzed One-Pot Synthesis of Phthalazinones

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Microwave-Promoted Solid-Acid-Catalyzed One-Pot Synthesis of Phthalazinones

przez Synthesis autor: Béla Török, Verona M. Outerbridge, Shainaz M. Landge, Hiroko Tamaki dnia 09-04-27

Synthesis
DOI: 10.1055/s-0028-1088074

Abstract

A one-pot, solid-acid-catalyzed, microwave-assisted synthesis of phthalazinones is described. The commercially available montmorillonite K-10 effectively catalyzed the condensation and substitution reactions. The approach was based on the direct cyclization of phthalaldehydic acid and opianic acid with substituted hydrazines. The reactions provided excellent yields and high selectivities in very short time (5-35 minutes).
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poniedziałek, 27 kwietnia 2009

Efficient copper-catalyzed coupling of aryl chlorides, bromides and iodides with aqueous ammonia

http://xlink.rsc.org/?DOI=b904188e&RSS=1

środa, 22 kwietnia 2009

Electric Field-Assisted Alignment of Self-Assembled Fibers Composed of Hydrogen-Bonded Molecules Having Laterally Fluorinated Mesogens

http://pubs.acs.org/doi/abs/10.1021/ja8093718?ai=1jm&af=R

Polysubstituted Quinolines from 2-Alkynylanilines and α,β-Ynones through a Sequential Conjugate Addition-Cyclization Process

http://www.thieme-connect.com/DOI/DOI10.1055/s-0029-1216734

środa, 15 kwietnia 2009

Simultaneous Interaction of Tetrafluoroethene with Anions and Hydrogen-Bond Donors: A Cooperativity Study

http://pubs.acs.org/doi/abs/10.1021/ct800444e?ai=557&mi=qgptwh&af=R

Jet-Cooled 2-Aminopyridine Dimer: Conformers and Infrared Vibrational Spectra

http://pubs.acs.org/doi/abs/10.1021/jp811359k?ai=51r&af=R

wtorek, 14 kwietnia 2009

Anion−π Interactions in Crystal Structures: Commonplace or Extraordinary?

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Anion−π Interactions in Crystal Structures: Commonplace or Extraordinary?

przez Crystal Growth & Design: Latest Articles (ACS Publications) autor: Benjamin P. Hay et al dnia 09-04-09

Crystal Growth & Design, Volume 0, Issue 0, Articles ASAP (As Soon As Publishable).

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Facile Route to Organoboron Quinolate Polymers through Boron-Induced Ether C...

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Facile Route to Organoboron Quinolate Polymers through Boron-Induced Ether Cleavage

przez Macromolecules: Latest Articles (ACS Publications) autor: Haiyan Li et al dnia 09-04-13

Macromolecules, Volume 0, Issue 0, Articles ASAP (As Soon As Publishable).

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The ins and outs of proton complexation

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The ins and outs of proton complexation

przez RSC - Chem. Soc. Rev. latest articles autor: Michel Meyer dnia 09-04-08

Jean-Claude Chambron, Michel Meyer
(Tutorial Review from Chem. Soc. Rev.)
Jean-Claude Chambron, Chem. Soc. Rev., 2009, DOI: 10.1039/b805695c
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Experimental evidence for interactions between anions and electron-deficient...

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Experimental evidence for interactions between anions and electron-deficient aromatic rings

przez RSC - Chem. Commun. latest articles autor: Darren W. Johnson dnia 09-04-09

Orion B. Berryman, Darren W. Johnson
(Feature Article from Chem. Commun.)
Orion B. Berryman, Chem. Commun., 2009, DOI: 10.1039/b823236a
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Diels-Alder reactions of 3,6-disubstituted 1,2,4,5-tetrazines. Synthesis and...

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Diels-Alder reactions of 3,6-disubstituted 1,2,4,5-tetrazines. Synthesis and X-ray crystal structures of diazafluoranthene derivatives

przez RSC - Org. Biomol. Chem. latest articles autor: Jay S. Siegel dnia 09-04-14

Nelli Rahanyan, Anthony Linden, Kim K. Baldridge, Jay S. Siegel
(Paper from Org. Biomol. Chem.)
Nelli Rahanyan, Org. Biomol. Chem., 2009, DOI: 10.1039/b820551e
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Vibrational overtones quenching of near infrared emission in Er3+ complexes

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Vibrational overtones quenching of near infrared emission in Er3+ complexes

przez RSC - New J. Chem. latest articles autor: Chiara Castiglioni dnia 09-04-09

Angelo Monguzzi, Alberto Milani, Lorenzo Lodi, Mario Italo Trioni, Riccardo Tubino, Chiara Castiglioni
(Paper from New J. Chem.)
Angelo Monguzzi, New J. Chem., 2009, DOI: 10.1039/b901272a
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Synthesis and photophysical characterization of chalcogen substituted BODIPY...

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Synthesis and photophysical characterization of chalcogen substituted BODIPY dyes

przez RSC - New J. Chem. latest articles autor: Tom Vosch dnia 09-04-14

Eduard Fron, Eduardo Coutino-Gonzalez, Lesley Pandey, Michel Sliwa, Mark Van der Auweraer, Frans C. De Schryver, Joice Thomas, Zeyuan Dong, Volker Leen, Mario Smet, Wim Dehaen, Tom Vosch
(Paper from New J. Chem.)
Eduard Fron, New J. Chem., 2009, DOI: 10.1039/b900786e
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środa, 8 kwietnia 2009

Synthesis and Photoinduced Intramolecular Processes of Light-Harvesting Sili...

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Synthesis and Photoinduced Intramolecular Processes of Light-Harvesting Silicon Phthalocyanine-Naphthalenediimide-Fullerene Connected Systems

przez Chemistry - A European Journal autor: Mohamed E. El-Khouly, Jung Hoon Kim, Kwang-Yol Kay, Chan Soo Choi, Osamu Ito, Shunichi Fukuzumi dnia 09-04-03

Photoinduced intramolecular processes of a newly synthesized pentad composed of silicon phthalocyanine (SiPc) that is connected with two units of naphthalenediimide (NDI) and fullerene C60 to form SiPc-(NDI)2-(C60)2 have been studied and the results are compared with the reference compounds, namely, the SiPc-(NDI)2 triad and NDI-C60 dyad. Upon photoexcitation, the main quenching pathway in polar solvents involved electron transfer via the singlet excited states of SiPc-(NDI)2-(C60)2 and SiPc-(NDI)2, but not NDI-C60 for which the energy transfer is dominant. The occurrence of electron-transfer processes of SiPc-(NDI)2-(C60)2 and SiPc-(NDI)2 were studied by time-resolved emission and transient absorption techniques and confirmed by redox measurements and molecular orbital calculations with ab initio B3 LYP/3-21G(*) methods. Fast and efficient charge-separation processes via the singlet excited states of NDI and SiPc were monitored, followed by charge recombination to populate the C60 and SiPc triplet states. The lifetimes of charge-separated states were estimated as 1000 and 250 ps for SiPc-(NDI)2-(C60)2 and SiPc-(NDI)2, respectively.

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High-Performance Air-Stable n-Channel Organic Thin Film Transistors Based on Halogenated Perylene Bisimide Semiconductors

Journal of the American Chemical Society, Volume 0, Issue 0, Articles ASAP (As Soon As Publishable).

Unusual Luminescence Enhancement of Metallogels of Alkynylplatinum(II) 2,6-Bis(N-alkylbenzimidazol-2′-yl)pyridine Complexes upon a Gel-to-Sol Phase Transition at Elevated Temperatures

Journal of the American Chemical Society, Volume 0, Issue 0, Articles ASAP (As Soon As Publishable).

wtorek, 7 kwietnia 2009

Bimetallic Effects for Enhanced Polar Comonomer Enchainment Selectivity in Catalytic Ethylene Polymerization

Journal of the American Chemical Society, Volume 0, Issue 0, Articles ASAP (As Soon As Publishable).

poniedziałek, 6 kwietnia 2009

Geometry Directed Self-Selection in the Coordination-Driven Self-Assembly of Irregular Supramolecular Polygons

The Journal of Organic Chemistry, Volume 0, Issue 0, Articles ASAP (As Soon As Publishable).

niedziela, 5 kwietnia 2009

Bis(zinc porphyrin) Bridged by Benzo Orthocarbonates as a Conformational Switch under Regulation of DABCO and a Cu+ Ion

http://pubs.acs.org/doi/abs/10.1021/ol802976h?ai=52a&mi=qgptwh&af=R

First Synthesis of the Three Isomeric Parent Disilacyclohexanes. An Improved Preparation of Methylene Di-Grignard

http://pubs.acs.org/doi/abs/10.1021/ol900462z?ai=52a&mi=qgptwh&af=R

Malonyl Dichloride

http://www.thieme-connect.com/DOI/DOI10.1055/s-0028-1088112

Binding Catalysis and Inhibition by Metal Ions and Protons in the Enolizatio...

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Binding Catalysis and Inhibition by Metal Ions and Protons in the Enolization of Phenylacetylpyrazine

przez The Journal of Organic Chemistry: Latest Articles (ACS Publications) autor: Anne-Gaelle Collot et al dnia 09-04-03

The Journal of Organic Chemistry, Volume 0, Issue 0, Articles ASAP (As Soon As Publishable).

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sobota, 4 kwietnia 2009

Conducting polymer nanomaterials: electrosynthesis and applications

Chun Li, Hua Bai, Gaoquan Shi

(Critical Review from Chem. Soc. Rev.)

Chun Li, Chem. Soc. Rev., 2009, DOI: 10.1039/b816681c

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van der Waals Interactions in Density Functional Theory Using Wannier Functions

The Journal of Physical Chemistry A, Volume 0, Issue 0, Articles ASAP (As Soon As Publishable).

piątek, 3 kwietnia 2009

Self-assembly of oligomeric linear dipyrromethene metal complexes

Qing Miao, Ji-Young Shin, Brian O. Patrick, David Dolphin

(Communication from Chem. Commun.)

Qing Miao, Chem. Commun., 2009, DOI: 10.1039/b820461f

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