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organic chemistry (31) 31
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1. Full Text Palladium‐Catalyzed Carbonylations of Aryl Bromides using Paraformaldehyde: Synthesis of Aldehydes and Esters
by Natte, Kishore and Dumrath, Andreas and Neumann, Helfried and Beller, Matthias
Angewandte Chemie International Edition, ISSN 1433-7851, 09/2014, Volume 53, Issue 38, pp. 10090 - 10094
Carbonylation reactions represent useful tools for organic synthesis. However, the necessity to use gaseous carbon monoxide is a disadvantage for most organic... 
reaction mechanisms | palladium | arenes | carbonylation | synthetic methods | VINYLIC HALIDES | ALKOXYCARBONYLATION | REDUCTIVE CARBONYLATION | CHEMISTRY, MULTIDISCIPLINARY | N-FORMYLSACCHARIN | FORMYLATION | SITU GENERATION | STOICHIOMETRIC CARBON-MONOXIDE | MICROWAVE-ENHANCED AMINOCARBONYLATIONS | EFFICIENT | CO SOURCE | Arenes | Carbonylation | Palladium | Synthetic methods | Reaction mechanisms | Aldehydes | Esters | Conduction | Synthesis | Aromatic compounds | Chemists | Bromides | Carbon monoxide | Carbonyls
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2. Full Text Transition‐Metal‐Catalyzed Utilization of Methanol as a C1 Source in Organic Synthesis
by Natte, Kishore and Neumann, Helfried and Beller, Matthias and Jagadeesh, Rajenahally V
Angewandte Chemie International Edition, ISSN 1433-7851, 06/2017, Volume 56, Issue 23, pp. 6384 - 6394
Methanol is used as a common solvent, cost‐effective reagent, and sustainable feedstock for value‐added chemicals, pharmaceuticals, and materials. Among the... 
methanol | esterification | formylation | methylation | methoxylation | Methylation | Methanol
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3. Full Text The Applications of Dimethyl Sulfoxide as Reagent in Organic Synthesis
by Wu, Xiao‐Feng and Natte, Kishore
Advanced Synthesis & Catalysis, ISSN 1615-4150, 02/2016, Volume 358, Issue 3, pp. 336 - 352
Dimethyl sulfoxide (DMSO) is one of the most commonly applied organic solvents in chemical transformations and is utilized widely in industrial processes as... 
dimethyl sulfoxide (DMSO) | oxidation | organic synthesis | synthetic methodology | C1 source | one‐carbon source | one-carbon source | source | C-1 source | ONE-POT SYNTHESIS | DOMINO OXIDATIVE CYCLIZATION | CHEMISTRY, ORGANIC | BOND FORMATION | ALPHA-KETOAMIDES | C-H FUNCTIONALIZATION | METAL-FREE APPROACH | N-METHYLATION | CROSS-COUPLING REACTIONS | CHEMISTRY, APPLIED | ARYL METHYL KETONES | 6-PI-2-AZATRIENE ELECTROCYCLIZATION | Chemical tests and reagents | Production processes | Dimethyl sulfoxide | Solvents | Synthesis | Oxidants | Employment | Reagents | Transformations | Catalysis
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4. Full Text Convenient iron-catalyzed reductive aminations without hydrogen for selective synthesis of N-methylamines
by Natte, Kishore and Neumann, Helfried and Jagadeesh, Rajenahally V and Beller, Matthias
Nature Communications, ISSN 2041-1723, 12/2017, Volume 8, Issue 1, pp. 1344 - 9
N-Methylated amines play an important role in regulating the biological and pharmaceutical properties of all kinds of life science molecules. In general, this... 
MILD | FORMIC-ACID | METHYLATION | EPIGENETICS | PEPTIDES | NITRO-COMPOUNDS | AMINES | MULTIDISCIPLINARY SCIENCES | COMPLEXES | CARBON-DIOXIDE | EFFICIENT | Biological properties | Drugs | Amitriptyline | Amines | Iodides | Iron | High pressure | Hydrogen reduction | Dimethyl sulfate | Imipramine | Amination | Venlafaxine | Methyl compounds | Life sciences | Sulfate | Drug discovery | Iron oxides | Methylation | Chemical synthesis | Hydrogen ion concentration
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5. Full Text Transition-Metal-Catalyzed Utilization of Methanol as a C-1 Source in Organic Synthesis
by Natte, K and Neumann, H and Beller, M and Jagadeesh, RV
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, ISSN 1433-7851, 06/2017, Volume 56, Issue 23, pp. 6384 - 6394
Methanol is used as a common solvent, cost-effective reagent, and sustainable feedstock for value-added chemicals, pharmaceuticals, and materials. Among the... 
SELECTIVE OXIDATION | formylation | CARBONYLATION REACTIONS | N-FORMYLATION | CHEMISTRY, MULTIDISCIPLINARY | PRIMARY ALCOHOLS | ARYL BROMIDES | esterification | AMINES | methylation | methoxylation | GREEN CHEMISTRY | methanol | AEROBIC OXIDATION | EFFICIENT
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6. Full Text Base‐Controlled Selectivity in the Synthesis of Linear and Angular Fused Quinazolinones by a Palladium‐Catalyzed Carbonylation/Nucleophilic Aromatic Substitution Sequence
by Chen, Jianbin and Natte, Kishore and Spannenberg, Anke and Neumann, Helfried and Langer, Peter and Beller, Matthias and Wu, Xiao‐Feng
Angewandte Chemie International Edition, ISSN 1433-7851, 07/2014, Volume 53, Issue 29, pp. 7579 - 7583
A new approach for the facile synthesis of fused quinazolinone scaffolds through a palladium‐catalyzed carbonylative coupling followed by an intramolecular... 
nucleophilic aromatic substitution | palladium catalysts | domino reactions | carbonylation | quinazolinones | ULLMANN CONDENSATION | PYRIDOQUINAZOLONES | ONE-POT SYNTHESIS | 4(3H)-QUINAZOLINONES | CHEMISTRY, MULTIDISCIPLINARY | NUCLEOPHILES | CYCLOADDITION | HETEROCYCLES | RUTAECARPINE | DERIVATIVES | Models, Molecular | Crystallography, X-Ray | Quinazolinones - chemistry | Catalysis | Isomerism | Palladium - chemistry | Palladium catalysts | Substitution reactions | Palladium | Diels-Alder reactions | Quinazolinones | Synthesis | Joining | Formations | Derivatives | Isomers | Modulators | Carbonyls
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7. Full Text Palladium‐Catalyzed Trifluoromethylation of (Hetero)Arenes with CF3Br
by Natte, Kishore and Jagadeesh, Rajenahally V and He, Lin and Rabeah, Jabor and Chen, Jianbin and Taeschler, Christoph and Ellinger, Stefan and Zaragoza, Florencio and Neumann, Helfried and Brückner, Angelika and Beller, Matthias
Angewandte Chemie International Edition, ISSN 1433-7851, 02/2016, Volume 55, Issue 8, pp. 2782 - 2786
The CF3 group is an omnipresent motif found in many pharmaceuticals, agrochemicals, catalysts, materials, and industrial chemicals. Despite well‐established... 
palladium | C−H activation | arenes | radical chemistry | fluorine | C-H activation | ROOM-TEMPERATURE | SILVER-MEDIATED TRIFLUOROMETHYLATION | SANDMEYER TRIFLUOROMETHYLATION | OXIDATIVE TRIFLUOROMETHYLATION | HETEROAROMATIC-COMPOUNDS | AROMATIC-COMPOUNDS | CHEMISTRY, MULTIDISCIPLINARY | PHOTOREDOX CATALYSIS | PD(II)-CATALYZED ORTHO-TRIFLUOROMETHYLATION | C-H TRIFLUOROMETHYLATION | BOND-FORMATION | Pentoxifylline | Palladium | Fluorides | Theophylline | Caffeine | Agricultural chemicals | Melatonin | Catalysts | Materials selection | Chemicals | Organic chemistry | Agrochemicals | Aromatic compounds | Chemical synthesis | Pharmaceuticals
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8. Full Text Palladium‐Catalyzed Carbonylative Cyclization of Arenes by CH Bond Activation with DMF as the Carbonyl Source
by Chen, Jianbin and Feng, Jian‐Bo and Natte, Kishore and Wu, Xiao‐Feng
Chemistry – A European Journal, ISSN 0947-6539, 11/2015, Volume 21, Issue 46, pp. 16370 - 16373
A novel palladium‐catalyzed CO‐gas‐ and autoclave‐free protocol for the synthesis of 11H‐pyrido[2,1‐b]quinazolin‐11‐ones has been developed. Quinazolinones,... 
CH activation | palladium | DMF | heterocycles | carbonylation | C-H activation | Quinazolinones | Isotope effect | Synthesis | Activation | Tolerances | Autoclaving | Bonding | Carbonyls
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9. Full Text Palladium‐Catalyzed Carbonylative Reactions of 1‐Bromo‐2‐fluorobenzenes with Various Nucleophiles: Effective Combination of Carbonylation and Nucleophilic Substitution
by Chen, Jianbin and Natte, Kishore and Neumann, Helfried and Wu, Xiao‐Feng
Chemistry – A European Journal, ISSN 0947-6539, 12/2014, Volume 20, Issue 49, pp. 16107 - 16110
A systematic study on the carbonylative transformation of 1‐bromo‐2‐fluorobenzenes with various nucleophiles has been performed. Different types of double... 
palladium | domino reactions | heterocycles | nucleophilic substitution | carbonylation | Heterocycles | Domino reactions | Carbonylation | Palladium | Nucleophilic substitution | OXIDATIVE CARBONYLATION | HALIDES | ORGANIC-SYNTHESIS | CROSS-COUPLING REACTIONS | METAL | DERIVATIVES | CHEMISTRY, MULTIDISCIPLINARY | Cytokinins | Quinazolinones | Joining | Transformations | Nucleophiles | Carbonyls
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10. Full Text Nitrogen-Doped Graphene-Activated Iron-Oxide-Based Nanocatalysts for Selective Transfer Hydrogenation of Nitroarenes
by Jagadeesh, Rajenahally V and Natte, Kishore and Junge, Henrik and Beller, Matthias
ACS Catalysis, ISSN 2155-5435, 03/2015, Volume 5, Issue 3, pp. 1526 - 1529
Nanoscaled iron oxides on carbon were modified with nitrogen-doped graphene (NGr) and found to be excellent catalysts for the chemoselective transfer... 
formic acid | iron nanocatalysis | transfer hydrogenation | nitroarenes | anilines | OXIDATION | ASYMMETRIC TRANSFER HYDROGENATION | LOWER OLEFINS | COMPLEXES | CHEMISTRY, PHYSICAL | ALCOHOLS | REDUCTION | NITRILES | AMINES | CATALYSTS | WATER
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11. Transition-Metal-Catalyzed Utilization of Methanol as a C1Source in Organic Synthesis
by Kishore Natte and Helfried Neumann and Matthias Beller and Rajenahally V Jagadeesh
Angewandte Chemie, ISSN 1433-7851, 06/2017, Volume 56, Issue 23, p. 6384
Methanol is used as a common solvent, cost-effective reagent, and sustainable feedstock for value-added chemicals, pharmaceuticals, and materials. Among the... 
Drugs | Reviews | Natural products | Reagents | Chemical bonds | Methylation | Chemical synthesis | Carbon | Chemicals | Methanol
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12. Full Text Commercial Pd/C-Catalyzed N-Methylation of Nitroarenes and Amines Using Methanol as Both C1 and H2 Source
by Goyal, Vishakha and Gahtori, Jyoti and Narani, Anand and Gupta, Piyush and Bordoloi, Ankur and Natte, Kishore
The Journal of Organic Chemistry, ISSN 0022-3263, 11/2019
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13. Full Text Pd/C-catalyzed carbonylative C–H activation with DMF as the CO source
by Chen, Jianbin and Natte, Kishore and Wu, Xiao-Feng
Tetrahedron Letters, ISSN 0040-4039, 11/2015, Volume 56, Issue 46, pp. 6413 - 6416
An interesting Pd/C-catalyzed carbonylative cyclization of -arylpyridin-2-amine derivatives via C–H activation has been developed. With DMF as the CO source,... 
CO surrogates | Heterocycle synthesis | Heterogeneous catalyst | C–H activation | Carbonylation | C-H activation | HALIDES | PALLADIUM | SUBSTITUTION | MONOXIDE-FREE AMINOCARBONYLATION | AMIDE SOURCE | OXIDATIVE AMINOCARBONYLATION | CHEMISTRY, ORGANIC | ARYL BROMIDES | CARBON-MONOXIDE | CONSTRUCTION | BOND ACTIVATION | Dimethylformamide
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14. Full Text Palladium-Catalyzed Carbonylative Cyclization of Arenes by CH Bond Activation with DMF as the Carbonyl Source
by Chen, JB and Feng, JB and Natte, K and Wu, XF
CHEMISTRY-A EUROPEAN JOURNAL, ISSN 0947-6539, 11/2015, Volume 21, Issue 46, pp. 16370 - 16373
A novel palladium-catalyzed CO-gas- and autoclave-free protocol for the synthesis of 11H-pyrido[2,1-b]quinazolin-11-ones has been developed. Quinazolinones,... 
OXIDATIVE CARBONYLATION | C(SP)-H BONDS | MONOXIDE-FREE AMINOCARBONYLATION | FORMAMIDES | CHEMISTRY, MULTIDISCIPLINARY | H ACTIVATION | CROSS-COUPLING REACTIONS | CH activation | DIRECT AMINATION | heterocycles | ARYL HALIDES | CONSTRUCTION | palladium | DMF | carbonylation
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15. Full Text Pd/C as an efficient heterogeneous catalyst for carbonylative four-component synthesis of 4(3H)-quinazolinones
by Natte, Kishore and Neumann, Helfried and Wu, Xiao-Feng
Catalysis Science and Technology, ISSN 2044-4753, 07/2015, Volume 5, Issue 9, pp. 4474 - 4480
Quinazolinones are of interest in the fields of pharmaceuticals and medicinal chemistry. The application of palladium on activated charcoal (Pd/C) as a... 
QUINAZOLINONES | CHARCOAL | PALLADIUM | COUPLING REACTIONS | ACIDS | CHEMISTRY, PHYSICAL | SUZUKI-MIYAURA REACTIONS | PD/C | SALTS | Quinazolinones | Synthesis | Amines | Catalysts | Ligands | Palladium | Phosphines | Carbonyls
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16. Full Text Corrigendum: Palladium‐Catalyzed Carbonylative Reactions of 1‐Bromo‐2‐fluorobenzenes with Various Nucleophiles: Effective Combination of Carbonylation and Nucleophilic Substitution
by Chen, Jianbin and Natte, Kishore and Neumann, Helfried and Wu, Xiao‐Feng
Chemistry – A European Journal, ISSN 0947-6539, 12/2015, Volume 21, Issue 49, pp. 17541 - 17541
Palladium
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17. Full Text Pd/C as an efficient heterogeneous catalyst for carbonylative four-component synthesis of 4(3H)-quinazolinones
by Natte, Kishore and Neumann, Helfried and Wu, Xiao-Feng
Catalysis Science & Technology, ISSN 2044-4753, 2015, Volume 5, Issue 9, pp. 4474 - 4480
Quinazolinones are of interest in the fields of pharmaceuticals and medicinal chemistry. The application of palladium on activated charcoal (Pd/C) as a... 
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18. Full Text Characterisation of silica nanoparticles prior to in vitro studies: from primary particles to agglomerates
by Orts-Gil, Guillermo and Orts-Gil, Guillermo and Natte, Kishore and Natte, Kishore and Drescher, Daniela and Drescher, Daniela and Bresch, Harald and Bresch, Harald and Mantion, Alexandre and Mantion, Alexandre and Kneipp, Janina and Kneipp, Janina and Österle, Werner and Österle, Werner
Journal of Nanoparticle Research, ISSN 1388-0764, 4/2011, Volume 13, Issue 4, pp. 1593 - 1604
The size, surface charge and agglomeration state of nanoparticles under physiological conditions are fundamental parameters to be determined prior to their... 
Nanoparticles | BSA | Toxicology | Optics, Optoelectronics, Plasmonics and Optical Devices | Physical Chemistry | Characterization and Evaluation of Materials | Material Science | Agglomeration | Inorganic Chemistry | Characterisation | Silica | Nanotechnology | OXIDE | SUSPENSIONS | SPHERES | MATERIALS SCIENCE, MULTIDISCIPLINARY