Results 1-20 of 286
期刊文章
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
2016
[ABSTRACT] The increase and spread of Gram-negative bacteria that resistant are to almost all currently available -lactam antibiotics is a major global health...
[KEYWORDS] antibiotics; aspergillomarasmineA; metallo--lactamase; structural reassignment; total synthesis; BETA-LACTAMASE INHIBITORS; NATURAL-PRODUCTS; ANTIBIOTIC-RESISTANCE; STRUCTURE ELUCIDATION; CHEMICAL-SYNTHESIS; AMINO-ACID; REVISION; DERIVATIVES; DISCOVERY; CHEMISTRY
期刊文章
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
2015
[ABSTRACT] Herein we report that 1,4-dilithio-1,3-butadienes, a type of 1,3-butadienyl dianion, can act as non-innocent ligands, taking electrons from low-val...
[KEYWORDS] dianions; lithium; metallacycles; redox reaction; rhodium; TRANSITION-METAL; STRUCTURAL-CHARACTERIZATION; STANNOLE DIANION; FACILE SYNTHESIS; BOND FORMATION; H BOND; C-C; COMPLEXES; CHEMISTRY; METALLABENZENES
期刊文章
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
2015
[ABSTRACT] The A-site mixed-ammonium solid solutions of metal-organic perovskites [(NH2NH3)(x)(CH3NH3)(1-x)][Mn(HCOO)(3)] (x = 1.00-0.67) exhibit para- to fer...
[KEYWORDS] dielectric properties; manganese; metal-organic perovskites; phase transitions; METAL-ORGANIC FRAMEWORK; PROMINENT DIELECTRIC ANOMALIES; FORMATE FRAMEWORK; WEAK FERROMAGNETISM; THERMAL-EXPANSION; PHASE-TRANSITION; MULTIFERROICS; FERROELECTRICITY; ORDER; DESIGN
期刊文章
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
2015
[ABSTRACT] A Rh-I-catalyzed three-component reaction of tert-propargyl alcohol, diazoester, and alkyl halide has been developed. This reaction can be consider...
[KEYWORDS] carbenes; cross-couplings; diazo compounds; migratory insertion; quaternary carbon center; NONACTIVATED ALKYL-HALIDES; CROSS-COUPLING REACTIONS; ALPHA-DIAZOCARBONYL COMPOUNDS; C-C BOND; GRIGNARD-REAGENTS; SONOGASHIRA REACTIONS; N-TOSYLHYDRAZONES; C(SP(3))-H BONDS; METAL CARBENE; ALKYNYLATION
期刊文章
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
2015
[ABSTRACT] Stereoselective coordination/insertion polymerization of the polar ortho-methoxystyrene has been achieved for the first time by using the cationic ...
[KEYWORDS] beta-diketiminate ligand; density functional calculations; isoselective polymerization; ortho-methoxystyrene; rare-earth metal complex; SYNDIOTACTIC POLYSTYRENE; STYRENE POLYMERIZATION; ALPHA-OLEFINS; STEREOSPECIFIC POLYMERIZATION; INSERTION POLYMERIZATION; FUNCTIONALIZED OLEFINS; VINYL MONOMERS; COPOLYMERIZATION; COMPLEXES; CATALYSTS
期刊文章
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
2016
[ABSTRACT] The selective construction of P-C bonds directly from P-4 and nucleophiles is an ideal and step-economical approach to utilizing elemental P-4 for ...
[KEYWORDS] C-P coupling; P-4 functionalization; phospholyl lithium; phosphorus; synthetic methods; TRANSITION-METAL-COMPLEXES; P-4 ACTIVATION; COORDINATION CHEMISTRY; ELEMENTAL PHOSPHORUS; REACTIVITY; ANION; NMR; SPECTROSCOPY; PHOSPHINES; ACCESS
期刊文章
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
2015
[ABSTRACT] A straightforward N-trifluoroethylation of anilines has been developed based on silver-catalyzed N - H insertions with 2,2,2-trifluorodiazoethane (...
[KEYWORDS] amides; aniline; carbenes; diazo compounds; silver; HIGHLY ENANTIOSELECTIVE INSERTION; ALPHA-AMINO-ACIDS; H BONDS; DIAZO-COMPOUNDS; TRIFLUOROMETHYLATION; COMPLEXES; COPPER; ALKYNES; ESTERS; CYCLOADDITION
期刊文章
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
2016
[ABSTRACT] Metal-organic layers (MOLs) represent an emerging class of tunable and functionalizable two-dimensional materials. In this work, the scalable solvo...
[KEYWORDS] alkenes; hafnium; heterogeneous catalysis; hydrosilylation; metal-organic layers; FRAMEWORK NANOSHEETS; ROOM-TEMPERATURE; 2D; EPOXIDATION; STABILITY; EVOLUTION; SHEETS; FILMS
期刊文章
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
2016
[ABSTRACT] Reported is the first scalable synthesis of rac-jungermannenonesB and C starting from the commercially available and inexpensive geraniol in 10 and...
[KEYWORDS] cyclizations; dienynes; natural products; terpenoids; total synthesis; ENANTIOSELECTIVE TOTAL-SYNTHESIS; HOMOALLYL RADICAL REARRANGEMENT; 1ST TOTAL-SYNTHESIS; (+/-)-METHYL GUMMIFEROLATE; KAURANE DITERPENOIDS; LYCOPODIUM ALKALOIDS; H FUNCTIONALIZATION; (-)-MAOECRYSTAL V; NATURAL-PRODUCTS; MAOECRYSTAL V
期刊文章
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
2015
[ABSTRACT] A rhodium(III)-catalyzed cross-coupling of benzyl thioethers and aryl carboxylic acids through the two directing groups is reported. Useful structu...
[KEYWORDS] C-H activation; carboxylic acids; cross-coupling; rhodium; synthetic methods; OXIDATIVE COUPLING REACTIONS; ARYL BOND FORMATION; DIRECT ARYLATION; SIMPLE ARENES; FUNCTIONALIZATION; CLEAVAGE; HETEROARENES; METABOLITES; DERIVATIVES; ALKYNES
期刊文章
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
2016
[ABSTRACT] A nickel(II) porphyrin Ni-P (P=porphyrin) bearing four meso-C6F5 groups to improve solubility and activity was used to explore different hydrogen-e...
[KEYWORDS] bimetallic reactions; electrocatalysis; homolysis; hydrogen evolution; nickel porphyrins; COBALT CORROLE CATALYST; MOLYBDENUM-OXO CATALYST; IRON-ONLY HYDROGENASE; H-2 PRODUCTION; ELECTRON-TRANSFER; SPECTRAL CHARACTERIZATION; GENERATING HYDROGEN; LOW OVERPOTENTIALS; AQUEOUS-SOLUTION; WATER REDUCTION
期刊文章
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
2016
[ABSTRACT] The compound [CH3CH2NH3][Cu(HCOO)(3)] undergoes a phase transition at 357K, from a perovskite to a diamond structure, by heating. The backward tran...
[KEYWORDS] ammonium copper formate; magnetism; metal-organic frameworks; perovskite; phase transitions; METAL-ORGANIC FRAMEWORKS; NEGATIVE THERMAL-EXPANSION; PROMINENT DIELECTRIC ANOMALIES; LINEAR COMPRESSIBILITY; MAGNETIC-PROPERTIES; RESPONSES; DISORDER; ORDER; ZN; FE
期刊文章
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
2016
[ABSTRACT] A heterogeneous, inexpensive, and environmentally friendly graphene oxide catalytic system for the C-H bond arylation of benzene enables the format...
[KEYWORDS] arylation; carbon; graphene oxide; heterogeneous catalysis; DIRECT ARYLATION; UNACTIVATED ARENES; CARBON MATERIALS; SP(2) CARBON; ARYL HALIDES; BENZENE; DEHYDROGENATION; OXIDATION
期刊文章
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
2016
[ABSTRACT] Microporous H-ZSM-5 containing one BrOnsted acid site per asymmetric unit is deliberately chosen to host pyridine, methanol, and ammonia as guest m...
[KEYWORDS] BrOnsted acid sites; catalysis; powder X-ray diffraction; Rietveld refinement; zeolites; ZEOLITE; ADSORPTION; SELECTIVITY; POSITIONS; CATALYSTS; ONIOM; CONVERSION; MOLECULES; PYRIDINE; METHANOL
期刊文章
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
2016
[ABSTRACT] Metallic nickel nanostructures that were partially decorated by discrete nickel oxide layers were fabricated by insitu reduction of calcinated Ni-c...
[KEYWORDS] Fischer-Tropsch synthesis; layered double hydroxides; nickel; photocatalysis; ultrathin nanosheets; FISCHER-TROPSCH SYNTHESIS; TITANIA-SUPPORTED NICKEL; CO HYDROGENATION; CATALYSTS; NANOCATALYSTS; CONVERSION; METHANE; PHASE; H-2
期刊文章
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
2016
[ABSTRACT] Spontaneous formation of concentric lamellae was observed in self- assembling giant surfactants consisting of a fluorinated polyhedral oligomeric s...
[KEYWORDS] concentric lamellae; curvature; giant surfactants; polymers; self-assembly; POLYHEDRAL OLIGOMERIC SILSESQUIOXANE; DIBLOCK COPOLYMERS; BLOCK-COPOLYMER; ELASTIC PROPERTIES; SHAPE AMPHIPHILES; POLYMERS; PHASE; CONFINEMENT; NANOFIBERS; PATTERNS
期刊文章
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
2016
[ABSTRACT] Herein, we report label-free detection of single-molecule DNA hybridization dynamics with single-base resolution. By using an electronic circuit ba...
[KEYWORDS] DNA hybridization; single-base resolution; single-molecule devices; FLUORESCENCE CORRELATION SPECTROSCOPY; ELECTRICAL DETECTION; SILICON NANOWIRES; KINETICS; HAIRPIN; PLATFORM; SENSORS
期刊文章
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
2015
[ABSTRACT] Currently used directing groups for selective aliphatic -functionalization of carbonyl compounds show excellent reactivity and selectivity with an ...
[KEYWORDS] arenes; C-H activation; palladium; silver; synthetic methods; C-H BOND; CARBON-HYDROGEN BONDS; CROSS-COUPLING REACTIONS; ALPHA-AMINO-ACIDS; UNACTIVATED C(SP(3))-H; DIRECT ARYLATION; STEREOSELECTIVE-SYNTHESIS; ORGANIC-SYNTHESIS; ROOM-TEMPERATURE; NATURAL-PRODUCTS
期刊文章
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
2016
[ABSTRACT] A transition-metal-free difluoromethylenation of diazo compounds that proceeds under mild conditions has been developed and is based on the use of ...
[KEYWORDS] carbenes; diazo compounds; difluorocarbene; fluorine; hydrazones; FISCHER CARBENE COMPLEXES; ALPHA-DIAZOCARBONYL COMPOUNDS; IN-SITU GENERATION; ORGANIC-SYNTHESIS; STEREOSELECTIVE DECOMPOSITION; FLUORINATED CYCLOPROPANES; GEM-DIFLUOROOLEFINATION; CATALYZED REACTIONS; ALKENE FORMATION; CIS-ALKENES
期刊文章
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
2015
[ABSTRACT] Multitopic organic linkers can provide a means to organize metal cluster nodes in a regular three-dimensional array. Herein, we show that isonicoti...
[KEYWORDS] ab initio calculations; host-guest systems; lanthanides; metal-organic frameworks; single-molecule magnets; CONTINUOUS SYMMETRY MEASURES; LANTHANIDE COMPLEXES; COORDINATION POLYMERS; SLOW RELAXATION; ION MAGNET; ANISOTROPY; BLOCKING; HYSTERESIS; BEHAVIOR
Data Facts
Keyword
- 106 0703 化学;
- 20 0703 化学;0702 物理学;
- 19 COMPLEXES
- 16 0703 化学;0817 化学工程与技术;
- 16 POLYMERS
- 15 CHEMISTRY
- 14 DESIGN
- 13 MECHANISM
- 11 0703 化学;0805 材料科学与工程（可授工学、理学学位）;
- 11 CATALYSTS
- next >
ISSN
- 273 1433-7851
Content Type
- 286 Journal