Raji Chem World

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Wednesday, October 30, 2013

Palladium catalyzed dehydrogenative arylation of coumarins: an unexpected switch in regioselectivity

Graphical abstract: Palladium catalyzed dehydrogenative arylation of coumarins: an unexpected switch in regioselectivity
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Copper-catalyzed Csp2–H amidation of unactivated arenes by N-tosyloxycarbamates

Graphical abstract: Copper-catalyzed Csp2–H amidation of unactivated arenes by N-tosyloxycarbamates
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Tuesday, October 29, 2013

Palladium(II)-catalyzed oxidative annulation of alkenylindoles with alkynes initiated by C-H activation

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Rhodium (III)-catalyzed ring-opening of strained olefins through C-H activation of O-acetyl ketoximes: An efficient synthesis of trans-functionalized cyclopentenes and spiro[2.4]heptenes

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Sunday, October 27, 2013

An Improved Catalyst System for the Pd-Catalyzed Fluorination of (Hetero)Aryl Triflates

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Synthesis of Isoquinolines via Rh(III)-Catalyzed C–H Activation Using Hydrazone as a New Oxidizing Directing Group

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Flexible and Practical Synthesis of Anthracenes through Gold-Catalyzed Cyclization of o-Alkynyldiarylmethanes

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Remarkable Catalytic Property of Nanoporous Gold on Activation of Diborons for Direct Diboration of Alkynes

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Rhodium(III)-Catalyzed Indole Synthesis Using N–N Bond as an Internal Oxidant

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Cu(OTf)2-Mediated Fluorination of Aryltrifluoroborates with Potassium Fluoride

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Rhodium-Catalyzed Decarboxylative and Dehydrogenative Coupling of Maleic Acids with Alkynes and Alkenes

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Raji Chem World at 6:22 PM No comments:
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Palladium-Catalyzed Oxidative Acetoxylation of Benzylic C–H Bond Using Bidentate Auxiliary

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Raji Chem World at 6:21 PM No comments:
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Saturday, October 26, 2013

Practical metal-free synthesis of chalcone derivatives via a tandem cross-dehydrogenative-coupling/elimination reaction

Graphical abstract: Practical metal-free synthesis of chalcone derivatives via a tandem cross-dehydrogenative-coupling/elimination reaction
Rajichemworld at 8:44 AM No comments:
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Friday, October 25, 2013

Metal-free binding and coupling of carbon monoxide at a boron–boron triple bond

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Defect-sensitive crystals based on diaminomaleonitrile-functionalized Schiff base with aggregation-enhanced emission

Graphical abstract: Defect-sensitive crystals based on diaminomaleonitrile-functionalized Schiff base with aggregation-enhanced emission
Raji Chem World at 7:53 AM No comments:
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Linear correlation between the C–H activation barrier and the C–Cu/C–H bond dissociation energy gap in Cu-promoted C–H activation of heteroarenes

Graphical abstract: Linear correlation between the C–H activation barrier and the C–Cu/C–H bond dissociation energy gap in Cu-promoted C–H activation of heteroarenes
Rajichemworld at 7:31 AM No comments:
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Oxidative 1,2-difunctionalization of activated alkenes with benzylic C(sp3)–H bonds and aryl C(sp2)–H bond

Graphical abstract: Oxidative 1,2-difunctionalization of activated alkenes with benzylic C(sp3)–H bonds and aryl C(sp2)–H bonds
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Thursday, October 24, 2013

A broadly applicable [18F]trifluoromethylation of aryl and heteroaryl iodides for PET imaging

Nature Chemistry
 
5,
 
941–944
 
(2013)
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“On Water”, Phosphine-Free Palladium-Catalyzed Room Temperature C[BOND]H Arylation of Indoles

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Wednesday, October 23, 2013

Facile synthesis of trifluoroethyl compounds by the Suzuki cross-coupling reactions of CF3CH2OTs with arylboronic acids

Graphical abstract: Facile synthesis of trifluoroethyl compounds by the Suzuki cross-coupling reactions of CF3CH2OTs with arylboronic acids
Rajichemworld at 5:23 PM No comments:
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Preparation of allylboronates by Pd-catalysed borylative cyclisation of dienynes

Graphical abstract: Preparation of allylboronates by Pd-catalysed borylative cyclisation of dienynes
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General and Practical Carboxyl-Group-Directed Remote C[BOND]H Oxygenation Reactions of Arenes

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Tuesday, October 22, 2013

Rh-Catalyzed Diarylamine Synthesis by Intermolecular C–H Amination of Heteroarylarenes

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Copper-Mediated Synthesis of 1,2,3-Triazoles from N-Tosylhydrazones and Anilines

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Sunday, October 20, 2013

Efficient SN2 Fluorination of Primary and Secondary Alkyl Bromides by Copper(I) Fluoride Complexes

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Palladium-Catalyzed Cascade Oxidation/sp2 C–H Acylation of Azoarenes with Aryl Methanes

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Employing Arynes in Transition-Metal-Free Monoarylation of Aromatic Tertiary Amines

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Steric Control of Site Selectivity in the Pd-Catalyzed C–H Acetoxylation of Simple Arenes

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Isocyanide Insertion: De Novo Synthesis of Trifluoromethylated Phenanthridine Derivatives

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Palladium-Catalyzed Phosphonylation: Synthesis of C3-, C4-, and C5-Phosphonylated Pyrazoles

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Rajichemworld at 7:03 PM No comments:
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An Improved Catalyst System for the Pd-Catalyzed Fluorination of (Hetero)Aryl Triflates

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Rajichemworld at 7:02 PM No comments:
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An Efficient Palladium-Catalyzed N-Alkylation of Amines Using Primary and Secondary Alcohols

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Palladium-Catalyzed Regioselective C-5 Arylation of Protected l-Histidine: Microwave-Assisted C–H Activation Adjacent to Donor Arm

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Palladium-Catalyzed Direct Alkenylation of 2-Oxazolones: An Entry to 3,4,5-Trisubstituted 2-Oxazolones

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Platinum-Catalyzed C–H Arylation of Simple Arenes

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Synthesis and C2-functionalization of indoles with allylic acetates under rhodium catalysis

Graphical abstract: Synthesis and C2-functionalization of indoles with allylic acetates under rhodium catalysis
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Tuesday, October 15, 2013

Palladium-catalyzed direct C-3 oxidative alkenylation of phosphachromones

Graphical abstract: Palladium-catalyzed direct C-3 oxidative alkenylation of phosphachromones
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Computational characterization of a mechanism for the copper-catalyzed aerobic oxidative trifluoromethylation of terminal alkynes

Graphical abstract: Computational characterization of a mechanism for the copper-catalyzed aerobic oxidative trifluoromethylation of terminal alkynes
Rajichemworld at 6:04 PM No comments:
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Palladium-Catalyzed C[BOND]H and C[BOND]N Arylation of Aminothiazoles with Arylboronic Acids

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Formal Ring-Opening/Cross-Coupling Reactions of 2-Pyrones: Iron-Catalyzed Entry into Stereodefined Dienyl Carboxylates

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Palladium-Catalyzed Synthesis of Benzofurans and Coumarins from Phenols and Olefins

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An Approach to Benzophosphole Oxides through Silver- or Manganese-Mediated Dehydrogenative Annulation Involving C[BOND]C and C[BOND]P Bond Formation

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Monday, October 14, 2013

Role of Mono-N-protected Amino Acid Ligands in Palladium(II)-Catalyzed Dehydrogenative Heck Reactions of Electron-Deficient (Hetero)arenes: Experimental and Computational Studies

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Oxidative Palladium(II)-Catalyzed C-7 Alkenylation of Indolines

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Rhodium(III)-Amine Dual Catalysis for the Oxidative Coupling of Aldehydes by Directed C–H Activation: Synthesis of Phthalides

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Regio- and Stereoselective Direct N-Alkenylation of Indoles via Pd-Catalyzed Aerobic Oxidation

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Palladium(II)-Catalyzed Oxidative Arylation of Quinoxalin-2(1H)-ones with Arylboronic Acids

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Copper-Catalyzed Decarboxylative Trifluoromethylation of Allylic Bromodifluoroacetates

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Access to Indenones by Rhodium(III)-Catalyzed C–H Annulation of Arylnitrones with Internal Alkynes

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Iridium-Catalyzed Direct Arene C–H Bond Amidation with Sulfonyl- and Aryl Azides

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Rajichemworld at 9:41 AM No comments:
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