Angewandte Chemie International Edition, ISSN 1433-7851, 02/2016, Volume 55, Issue 8, pp. 2934 - 2938
The first gold‐catalyzed photoredox C(sp2)−H difluoroalkylation and perfluoroalkylation of hydrazones with readily available RF−Br reagents is reported. The...
C−H functionalization | gold catalysis | photocatalysis | fluorine | C-H functionalization | PALLADIUM | VISIBLE-LIGHT PHOTOREDOX | FLUOROALKYLATION | CHEMISTRY, MULTIDISCIPLINARY | C-H BONDS | FUNCTIONALIZATION | ALKENES | DIFLUOROMETHYLATION | ARYL BORONIC ACIDS | GEM-DIFLUOROALLYLATION | Phosphonates | Fluorides | Catalysis | Coupling (molecular) | Gold | Trapping | Reagents | Phosphonic acids | Hydrazones | Amino acids | Derivatives
C−H functionalization | gold catalysis | photocatalysis | fluorine | C-H functionalization | PALLADIUM | VISIBLE-LIGHT PHOTOREDOX | FLUOROALKYLATION | CHEMISTRY, MULTIDISCIPLINARY | C-H BONDS | FUNCTIONALIZATION | ALKENES | DIFLUOROMETHYLATION | ARYL BORONIC ACIDS | GEM-DIFLUOROALLYLATION | Phosphonates | Fluorides | Catalysis | Coupling (molecular) | Gold | Trapping | Reagents | Phosphonic acids | Hydrazones | Amino acids | Derivatives
Journal Article
Angewandte Chemie International Edition, ISSN 1433-7851, 02/2016, Volume 55, Issue 8, pp. 2939 - 2943
An unprecedented visible‐light‐induced direct C−H bond difluoroalkylation of aldehyde‐derived hydrazones was developed. This reaction represents a new way to...
radical reactions | imines | photocatalysis | hydrazones | fluorine | ORGANIC-SYNTHESIS | CHEMISTRY, MULTIDISCIPLINARY | FUNCTIONALIZATION | DIFLUOROMETHYLATION | HETEROARENES | ARYL BORONIC ACIDS | SYNTHETIC APPLICATIONS | BOND | DERIVATIVES | CYCLIZATION | Schiff bases | Fluorides | Catalysis | Analysis | Mathematical analysis | Electron transfer | Hydrazones | Cations | Transformations | Computing time | Chemical synthesis | Light effects
radical reactions | imines | photocatalysis | hydrazones | fluorine | ORGANIC-SYNTHESIS | CHEMISTRY, MULTIDISCIPLINARY | FUNCTIONALIZATION | DIFLUOROMETHYLATION | HETEROARENES | ARYL BORONIC ACIDS | SYNTHETIC APPLICATIONS | BOND | DERIVATIVES | CYCLIZATION | Schiff bases | Fluorides | Catalysis | Analysis | Mathematical analysis | Electron transfer | Hydrazones | Cations | Transformations | Computing time | Chemical synthesis | Light effects
Journal Article
Angewandte Chemie International Edition, ISSN 1433-7851, 11/2014, Volume 53, Issue 45, pp. 12163 - 12167
A visible‐light photocatalytic generation of N‐centered hydrazonyl radicals has been accomplished for the first time. This approach allows efficient...
ruthenium | radicals | photocatalysis | heterocycles | hydrazones | Hydrazones | Heterocycles | Ruthenium | Photocatalysis | Radicals | ORGANIC-SYNTHESIS | ACID | ARYLATION | CHEMISTRY, MULTIDISCIPLINARY | 3+2 CYCLOADDITION | TRANSITION | FUNCTIONALIZATION | ALKENES | DUAL CATALYSIS | VISIBLE-LIGHT-PHOTOREDOX | C-H AMINATION | Amines - chemistry | Catalysis | Free Radicals | Hydrazones - chemistry | Photochemical Processes
ruthenium | radicals | photocatalysis | heterocycles | hydrazones | Hydrazones | Heterocycles | Ruthenium | Photocatalysis | Radicals | ORGANIC-SYNTHESIS | ACID | ARYLATION | CHEMISTRY, MULTIDISCIPLINARY | 3+2 CYCLOADDITION | TRANSITION | FUNCTIONALIZATION | ALKENES | DUAL CATALYSIS | VISIBLE-LIGHT-PHOTOREDOX | C-H AMINATION | Amines - chemistry | Catalysis | Free Radicals | Hydrazones - chemistry | Photochemical Processes
Journal Article
Angewandte Chemie International Edition, ISSN 1433-7851, 09/2008, Volume 47, Issue 39, pp. 7523 - 7526
Watching C 'n' N: Hydrazones and oximes are common conjugates but are labile to hydrolysis. The hydrolytic stabilities of isostructural hydrazones and one...
reaction mechanisms | oximes | hydrazones | hydrolysis | Hydrolysis | Oximes | Hydrazones | Reaction mechanisms | CARBONYL GROUP | EQUILIBRIUM-CONSTANTS | PROTEIN | MECHANISM | REACTIVITY | CHEMISTRY, MULTIDISCIPLINARY | NUCLEOPHILIC CATALYSIS | SEMICARBAZONE FORMATION | ACID CATALYSIS | CHEMICAL-SYNTHESIS | SURFACES | Oximes - chemistry | Titrimetry | Hydrazones - chemical synthesis | Molecular Structure | Kinetics | Methylation | Hydrazones - chemistry | conjugates
reaction mechanisms | oximes | hydrazones | hydrolysis | Hydrolysis | Oximes | Hydrazones | Reaction mechanisms | CARBONYL GROUP | EQUILIBRIUM-CONSTANTS | PROTEIN | MECHANISM | REACTIVITY | CHEMISTRY, MULTIDISCIPLINARY | NUCLEOPHILIC CATALYSIS | SEMICARBAZONE FORMATION | ACID CATALYSIS | CHEMICAL-SYNTHESIS | SURFACES | Oximes - chemistry | Titrimetry | Hydrazones - chemical synthesis | Molecular Structure | Kinetics | Methylation | Hydrazones - chemistry | conjugates
Journal Article
Organic Letters, ISSN 1523-7060, 06/2014, Volume 16, Issue 12, pp. 3368 - 3371
The first catalytic enantioselective iodoaminocyclization of β,γ-unsaturated hydrazones has been developed with the help of a...
ALKENES | 1,3-DIPOLAR CYCLOADDITIONS | SPINDLE PROTEIN KSP | ASYMMETRIC BROMOLACTONIZATION | MITOTIC KINESIN KSP | PHASE-TRANSFER CATALYSIS | CHEMISTRY, ORGANIC | NITRILE IMINES | POTENT INHIBITORS | CARBOXYLIC-ACIDS | BIFUNCTIONAL ORGANOCATALYSTS | Pyrazoles - chemistry | Pyrazoles - chemical synthesis | Stereoisomerism | Cyclohexylamines - chemistry | Molecular Structure | Catalysis | Hydrocarbons, Iodinated - chemistry | Thiourea - chemistry | Hydrazones - chemistry
ALKENES | 1,3-DIPOLAR CYCLOADDITIONS | SPINDLE PROTEIN KSP | ASYMMETRIC BROMOLACTONIZATION | MITOTIC KINESIN KSP | PHASE-TRANSFER CATALYSIS | CHEMISTRY, ORGANIC | NITRILE IMINES | POTENT INHIBITORS | CARBOXYLIC-ACIDS | BIFUNCTIONAL ORGANOCATALYSTS | Pyrazoles - chemistry | Pyrazoles - chemical synthesis | Stereoisomerism | Cyclohexylamines - chemistry | Molecular Structure | Catalysis | Hydrocarbons, Iodinated - chemistry | Thiourea - chemistry | Hydrazones - chemistry
Journal Article
Journal of Pharmaceutical and Biomedical Analysis, ISSN 0731-7085, 02/2015, Volume 105, pp. 55 - 63
Salicylaldehyde isonicotinoyl hydrazone (SIH) is an intracellular iron chelator with well documented potential to protect against oxidative injury both and ....
Boronyl salicylaldehyde isonicotinoyl hydrazone | Stability | Aroylhydrazone | Pharmacokinetics | Prochelator salicylaldehyde isonicotinoyl hydrazone | ANTHRACYCLINE CARDIOTOXICITY | CHEMISTRY, ANALYTICAL | OXIDATIVE STRESS | IRON CHELATORS | Prochelator salicylaldehyde isonicotinoyl hydrazone Pharmacokinetics | INJURY | MASS-SPECTROMETRY | CELL-DEATH | PROTECTS | IN-VIVO | PHARMACOLOGY & PHARMACY | HYDROGEN-PEROXIDE | RABBIT PLASMA | Chelating Agents - analysis | Hydrazones - blood | Isonicotinic Acids - blood | Rats, Wistar | Drug Stability | Male | Aldehydes - blood | Isonicotinic Acids - analysis | Reference Standards | Animals | Aldehydes - analysis | Boronic Acids - analysis | Spectrophotometry, Ultraviolet - methods | Sensitivity and Specificity | Molecular Structure | Chromatography, Liquid - methods | Culture Media - chemistry | Mass Spectrometry - methods | Hydrazones - analysis | Boronic Acids - blood | pharmacokinetics | prochelator salicylaldehyde isonicotinoyl hydrazone | aroylhydrazone | boronyl salicylaldehyde isonicotinoyl hydrazone
Boronyl salicylaldehyde isonicotinoyl hydrazone | Stability | Aroylhydrazone | Pharmacokinetics | Prochelator salicylaldehyde isonicotinoyl hydrazone | ANTHRACYCLINE CARDIOTOXICITY | CHEMISTRY, ANALYTICAL | OXIDATIVE STRESS | IRON CHELATORS | Prochelator salicylaldehyde isonicotinoyl hydrazone Pharmacokinetics | INJURY | MASS-SPECTROMETRY | CELL-DEATH | PROTECTS | IN-VIVO | PHARMACOLOGY & PHARMACY | HYDROGEN-PEROXIDE | RABBIT PLASMA | Chelating Agents - analysis | Hydrazones - blood | Isonicotinic Acids - blood | Rats, Wistar | Drug Stability | Male | Aldehydes - blood | Isonicotinic Acids - analysis | Reference Standards | Animals | Aldehydes - analysis | Boronic Acids - analysis | Spectrophotometry, Ultraviolet - methods | Sensitivity and Specificity | Molecular Structure | Chromatography, Liquid - methods | Culture Media - chemistry | Mass Spectrometry - methods | Hydrazones - analysis | Boronic Acids - blood | pharmacokinetics | prochelator salicylaldehyde isonicotinoyl hydrazone | aroylhydrazone | boronyl salicylaldehyde isonicotinoyl hydrazone
Journal Article
Chemical Reviews, ISSN 0009-2665, 08/2017, Volume 117, Issue 15, pp. 10358 - 10376
The formation of oximes and hydrazones is employed in numerous scientific fields as a simple and versatile conjugation strategy. This imine-forming reaction is...
PICTET-SPENGLER LIGATION | SEMICARBAZONE FORMATION | BUILDING-BLOCKS | CONTAINING AMINO-ACID | NEUTRAL PH | PROTEIN MODIFICATION | BIOORTHOGONAL CHEMISTRY | CHEMISTRY, MULTIDISCIPLINARY | DYNAMIC COMBINATORIAL LIBRARIES | CHAIN CROSS-LINKS | NUCLEOPHILIC CATALYSIS | Biocompatible Materials - chemical synthesis | Oximes - chemistry | Biocompatible Materials - chemistry | Imines - chemistry | Molecular Structure | Catalysis | Imines - chemical synthesis | Hydrazones - chemistry
PICTET-SPENGLER LIGATION | SEMICARBAZONE FORMATION | BUILDING-BLOCKS | CONTAINING AMINO-ACID | NEUTRAL PH | PROTEIN MODIFICATION | BIOORTHOGONAL CHEMISTRY | CHEMISTRY, MULTIDISCIPLINARY | DYNAMIC COMBINATORIAL LIBRARIES | CHAIN CROSS-LINKS | NUCLEOPHILIC CATALYSIS | Biocompatible Materials - chemical synthesis | Oximes - chemistry | Biocompatible Materials - chemistry | Imines - chemistry | Molecular Structure | Catalysis | Imines - chemical synthesis | Hydrazones - chemistry
Journal Article
Tetrahedron, ISSN 0040-4020, 09/2019, Volume 75, Issue 39, p. 130534
A novel method for the synthesis of -amino alkenyl-substituted hydrazone derivatives was disclosed through silver-catalyzed reaction of sulfonyl hydrazones...
Ynamide | Enamide | Silver catalysis | Hydrazone | Alkenylation | DOMINO REACTION | 1,3-DIPOLAR CYCLOADDITIONS | CONJUGATED DIENES | CHEMISTRY, ORGANIC | DIAZO-COMPOUNDS | DIPHENYLDITHIOPHOSPHINIC ACID | N-TOSYLHYDRAZONES | ORTHO-ALKYNYLARYLALDEHYDES | REGIOSELECTIVE SYNTHESIS | CIS-HYDROARYLATION | VERSATILE REAGENTS
Ynamide | Enamide | Silver catalysis | Hydrazone | Alkenylation | DOMINO REACTION | 1,3-DIPOLAR CYCLOADDITIONS | CONJUGATED DIENES | CHEMISTRY, ORGANIC | DIAZO-COMPOUNDS | DIPHENYLDITHIOPHOSPHINIC ACID | N-TOSYLHYDRAZONES | ORTHO-ALKYNYLARYLALDEHYDES | REGIOSELECTIVE SYNTHESIS | CIS-HYDROARYLATION | VERSATILE REAGENTS
Journal Article
Chemistry – A European Journal, ISSN 0947-6539, 08/2019, Volume 25, Issue 48, pp. 11240 - 11245
Reacting hydrazones of arylaldehydes with Togni's CF3‐benziodoxolone reagent, in the presence of potassium hydroxide and cesium fluoride, induces a...
hypervalent iodine | Wolff–Kishner | trifluoromethylation | hydrazones | fluorine | NUCLEOPHILIC TRIFLUOROMETHYLATION | C-H TRIFLUOROETHYLATION | MOLECULAR CALCULATIONS | Wolff-Kishner | CHEMISTRY, MULTIDISCIPLINARY | ARYLBORONIC ACIDS | CROSS-COUPLING REACTIONS | COPPER-CATALYZED TRIFLUOROMETHYLATION | METAL-FREE TRIFLUOROMETHYLATION | ORGANIC HALIDES | ARYL IODIDES | BASIS-SETS | Transition metal compounds | Hydroxides | Fluorides | Transition metals | Potassium hydroxide | Benzaldehyde | Hydrazones | Substitution reactions | Cesium | Potassium hydroxides | Substrates | Cesium fluorides | Fluoride | Aromatic compounds | Reagents | Potassium | Functional groups
hypervalent iodine | Wolff–Kishner | trifluoromethylation | hydrazones | fluorine | NUCLEOPHILIC TRIFLUOROMETHYLATION | C-H TRIFLUOROETHYLATION | MOLECULAR CALCULATIONS | Wolff-Kishner | CHEMISTRY, MULTIDISCIPLINARY | ARYLBORONIC ACIDS | CROSS-COUPLING REACTIONS | COPPER-CATALYZED TRIFLUOROMETHYLATION | METAL-FREE TRIFLUOROMETHYLATION | ORGANIC HALIDES | ARYL IODIDES | BASIS-SETS | Transition metal compounds | Hydroxides | Fluorides | Transition metals | Potassium hydroxide | Benzaldehyde | Hydrazones | Substitution reactions | Cesium | Potassium hydroxides | Substrates | Cesium fluorides | Fluoride | Aromatic compounds | Reagents | Potassium | Functional groups
Journal Article
Chemistry – A European Journal, ISSN 0947-6539, 12/2015, Volume 21, Issue 49, pp. 17583 - 17586
The B(C6F5)3‐catalyzed hydrogenation is applied to aldoxime triisopropylsilyl ethers and hydrazones bearing an easily removable phthaloyl protective group. The...
Lewis acids | homogeneous catalysis | reduction | boron | hydrogenation
Lewis acids | homogeneous catalysis | reduction | boron | hydrogenation
Journal Article
Chemical Reviews, ISSN 0009-2665, 04/2011, Volume 111, Issue 4, pp. 2626 - 2704
AZA-HENRY REACTION | DIELS-ALDER REACTIONS | BOC-PROTECTED IMINES | MANNICH-TYPE REACTIONS | N-SULFONATED IMINES | ASYMMETRIC ALDOL REACTIONS | BAYLIS-HILLMAN REACTION | ALPHA-AMINO-ACIDS | CHIRAL BRONSTED ACID | FRIEDEL-CRAFTS REACTION | CHEMISTRY, MULTIDISCIPLINARY | Catalysis | Isomerism | Hydrazones - chemistry | Imines - chemistry | Analysis | Organometallic compounds | Chemical bonds | Acid-base chemistry | Chemical properties | Structure | Nucleophiles | Carbon
Journal Article
Angewandte Chemie International Edition, ISSN 1433-7851, 04/2015, Volume 54, Issue 17, pp. 5112 - 5116
We report the use of nickel catalysts for the catalytic transfer hydrogenation of hydrazones and other ketimines with formic acid. Strongly donating...
nickel | transfer hydrogenation | asymmetric catalysis | hydrazones | hydride insertion | Hydrazones | Hydride insertion | Transfer hydrogenation | Nickel | Asymmetric catalysis | BRONSTED ACID | ENANTIO-DIFFERENTIATING HYDROGENATION | NONCOVALENT INTERACTIONS | CHIRAL PHOSPHORIC-ACID | CHEMISTRY, MULTIDISCIPLINARY | DYNAMIC KINETIC RESOLUTION | BETA-AMINO ACIDS | HIGHLY ENANTIOSELECTIVE HYDROGENATION | COOPERATIVE CATALYSIS | IMINE HYDROGENATION | REDUCTIVE AMINATION | Phosphines - chemistry | Nickel - chemistry | Formates - chemistry | Stereoisomerism | Molecular Conformation | Imines - chemistry | Nitriles - chemistry | Crystallography, X-Ray | Catalysis | Hydrogenation | Hydrazones - chemistry | Enzymes | Analysis | Formic acid | Organic acids | Asymmetry | Catalysts | Aromatic compounds
nickel | transfer hydrogenation | asymmetric catalysis | hydrazones | hydride insertion | Hydrazones | Hydride insertion | Transfer hydrogenation | Nickel | Asymmetric catalysis | BRONSTED ACID | ENANTIO-DIFFERENTIATING HYDROGENATION | NONCOVALENT INTERACTIONS | CHIRAL PHOSPHORIC-ACID | CHEMISTRY, MULTIDISCIPLINARY | DYNAMIC KINETIC RESOLUTION | BETA-AMINO ACIDS | HIGHLY ENANTIOSELECTIVE HYDROGENATION | COOPERATIVE CATALYSIS | IMINE HYDROGENATION | REDUCTIVE AMINATION | Phosphines - chemistry | Nickel - chemistry | Formates - chemistry | Stereoisomerism | Molecular Conformation | Imines - chemistry | Nitriles - chemistry | Crystallography, X-Ray | Catalysis | Hydrogenation | Hydrazones - chemistry | Enzymes | Analysis | Formic acid | Organic acids | Asymmetry | Catalysts | Aromatic compounds
Journal Article