LASPI: Detection and diagnostics of gearbox faults
Dataset of current, voltage, and vibration measurements of an electromechanical driving system. The system is a three-phase asynchronous motor that drives a gearbox. The gearbox is composed of bearings and gears that are susceptible to fail. Seven experiments corresponding to different states of ...
AMPERE: Detection and diagnostics of rotor and stator faults in rotating machines
Dataset of speed, current, voltage and vibration measurements of an electromechanical drive system. The system is a three-phase asynchronous motor. It is composed of an aging bearing and a squirrel cage rotor with defects (broken bars). In addition, unbalanced power supply faults are investigated. ...
METALLICADOUR: Detection and diagnostics of multi-axis robot faults
Dataset of position, current, vibration, force, and torque measurements of an electromechanical drive system. The system is a multi-axes robot that contains a three-phase asynchronous motor. This latter motor drives a cutting tool for machining aluminum parts. It studies different states of health ...
4’-(N-(2-cyanoethyl)pyrrol-2-yl)-2,2’:6’,2’’-terpyridine
Data for the synthesis and caracterization of 4’-(N-(2-cyanoethyl)pyrrol-2-yl)-2,2’:6’,2’’-terpyridine.
4′-(N-(Propargyl)pyrrol-2-yl)-2,2′:6′,2′′-terpyridine
A new terpyridine molecule, bearing a N-propargylated pyrrole, was prepared and characterized. Its synthesis was based on a Krohnke-type reaction between 2-acetylpyridine and N-propargylpyrrole-2-carboxaldehyde in a basic medium. An allene-containing terpyridine was also obtained as a by-product.
Pollen analysis - La Cluse-et-Mijoux (F-25), La Cluse
Pollen tests in a white clay fill on the right bank of the Doubs. Two samples: 40 and 75 cm deep.
Pollen analysis - Vatteville-la-Rue (F-76), Mare de la Pelouse, Forêt de Brotonne
Eight pollen tests carried out on a borehole about one metre deep from a peat bog in the Brotonne forest. Samples very rich in pollen and spores. Last two millennia (Middle Ages?).
1-{4-[(Hexyloxy)methyl]pyridin-2-yl}ethanone
A new member of the 2-acetylpyridine family has been prepared and characterized by NMR and IR spectroscopies.
New spiropyrrolothiazole derivatives bearing an oxazolone moiety as potential antidiabetic agent: Design, synthesis, crystal structure, Hirshfeld surface analysis, ADME and molecular docking studies
In a sustained search for novel and effective antihyperglycemics, a new series of fifteen isomeric oxazolone-fused dispiropyrrolothiazoles resulting from one-pot three component reaction between L-4-thiazolidine carboxylic acid, arylidene-oxazolones and isatin (or acenaphthenequinone) has been ...
Antimicrobial Activity and DFT Studies of a Novel Set of Spiropyrrolidines Tethered with Thiochroman-4-one/Chroman-4-one Scaffolds
A novel series of 14 spiropyrrolidines bearing thiochroman-4-one/chroman-4-one, and oxindole/acenaphthylene-1,2-dione moieties were synthesized and characterized by spectroscopic techniques, as well as by three X-ray diffraction studies, corroborating the stereochemistry. Quantum chemical ...
Synthesis, antidiabetic activity and molecular docking study of rhodanine-substitued spirooxindole pyrrolidine derivatives as novel α-amylase inhibitors
In a sustained search for novel α-amylase inhibitors for the treatment of type 2 diabetes mellitus (T2DM), we report herein the synthesis of a series of nineteen novel rhodanine-fused spiro[pyrrolidine-2,3′-oxindoles]. They were obtained by one-pot three component [3 + 2] cycloaddition of stabilized ...
Pollen analysis - Vaux-lès-Saint-Claude (F-39), Eau Morte
Pollen tests in the filling of a circular depression (ice rest, pockmark?) in the heart of a meander of the Bienne. Two samples: 162 and 200 cm deep.
1-(4-Formyl-2,6-dimethoxyphenoxy)-4-chlorobut-2-yne
A reaction of biomass-derived aldehyde synringaldehyde and half an equivalent of 1,4-dichlorobut-2-yne was attempted in order to obtain a bis-aldehyde with an alkyne spacer. The reaction was carried out in a basic media to effect bis O-alkylation, as described in literature for the preparation of ...
4′-(5-Methylfuran-2-yl)-2,2′:6′,2″-terpyridine: A New Ligand Obtained from a Biomass-Derived Aldehyde with Potential Application in Metal-Catalyzed Reactions
The new ligand 4′-(5-methylfuran-2-yl)-2,2′:6′,2″-terpyridine (1) was prepared in one step from 2-acetylpyridine and 5-methylfurfural. The latter is an aldehyde that can be readily obtained from biomass. The new terpyridine molecule was characterized by 1H and 13C-NMR spectroscopy as well as by ...
Diversity-oriented Synthesis of Spiropyrrolo[1, 2-a]isoquinoline Derivatives via Diastereoselective and Regiodivergent Three-component 1,3-Dipolar Cycloaddition Reactions: In vitro and in vivo Evaluation of the Antidiabetic Activity of Rhodanine Analogues
An efficient diastereoselective route is developed to get access to novel spiropyrrolo[1,2-a]isoquinoline-oxindole skeletons by a one-potthree-component [3 + 2] cycloaddition reaction of (Z)-5-arylidene-1,3-thiazolidine-2,4-diones, isatin derivatives, and 1,2,3,4-tetrahydroisoquinoline (THIQ). ...
4,4″-Dichloro-4′-(2-thienyl)-2,2′:6′,2″-terpyridine
A new thiophene-substituted terpyridine derivative has been prepared and characterized. This ligand features a thiophene heterocycle (as an electrochemically polymerizable unit) as well as two chlorine atoms for further functionalization.
4′-(N-(Propan-1,2-dienyl)pyrrol-2-yl)-2,2′:6′,2″-terpyridine
A new pyrrole-substituted terpyridine derivative that possesses an allene moiety was obtained as an “unexpected” sole product during an attempt to alkylate the N-atom of pyrrole with propargyl bromide in order to obtain an alkyne-functionalized terpyridine.
4′-(5-n-Propylthiophen-2-yl)-2,2′:6′,2″-terpyridine
A new thiophene-substituted terpyridine derivative has been prepared through the reaction between 5-n-propylthiophene-2-carboxaldehyde and 2-acetylpyridine. This terpyridine derivative bears an alkyl chain linked via a thiophene heterocycle.
Crystal structure of 2-[bis(benzylsulfanyl)methyl]-6-methoxyphenol
The title compound, C22H22O2S2, 1, represents an example of an ortho-vanillin-based functionalized dithioether, which could be useful as a potential chelating ligand or bridging ligand for coordination chemistry. This dithioacetal 1 crystallizes in the orthorhombic space group Pbca. The phenyl ...
Crystal structures of 9-[bis(benzylsulfanyl)methyl]anthracene and of cyclo-dodecakis(μ2-phenylmethanethiolato-κ2S:S)hexapalladium(6 Pd—Pd)–anthracene-9,10-dione (1/1)
The first title compound, C29H24S2, L1, represents an example of an anthracene-based functionalized dithioether, which may be useful as a potential chelating or terminal ligand for coordination chemistry. This dithioacetal L1 crystallizes in the monoclinic space group P21/c. The phenyl rings of ...
Three-Component Access to Functionalized Spiropyrrolidine Heterocyclic Scaffolds and Their Cholinesterase Inhibitory Activity
A novel one-pot [3+2]-cycloaddition reaction of (E)-3-arylidene-1-phenyl-succinimides, cyclic 1,2-diketones (isatin, 5-chloro-isatin and acenaphtenequinone), and diverse α-aminoacids such as 2-phenylglycine or sarcosine is reported. The reaction provides succinimide-substituted dispiropyrrolidine ...
Pollen analysis - Les Eyzies-de-Tayac-Sireuil (F-26), 28 avenue de la Forge, calcareous tuff
A single palynological sample from a layer of calcareous tuff. Sterile.
Pollen analysis - Siracusa (Sicile, Italie), Aqueduc du Galermi
A single palynological sample from carbonates in a Roman aqueduct. Poor but exploitable.
3-spiroindolizines containing an isoindole ring through intra-molecular arylation of spiro-N-acyliminium species
Based on N-acyliminium species, efficient approaches to spirocyclic systems connected by two different carbon centers to the isoindole ring have been developed. The imide reduction and the tandem oxidative cleavage of olefin/formyl-amide equilibration were at first selected as the key steps for ...
Reactivity of CuI and CuBr toward Dialkyl Sulfides RSR: From Discrete Molecular Cu4I4S4 and Cu8I8S6 Clusters to Luminescent Copper(I) Coordination Polymers
The CuX salts (X = I, Br) react with SR2 to form molecular clusters of the types [(R2S)4(Cu4I4)] and [(R2S)6(Cu8I8)] or to give 1D polymers and 2D metal−organic frameworks. The cluster nuclearity and connectivity as well as the dimensionality of these compounds depend on the steric demand of SR2, ...
Access
Discipline
- Chemistry, analytical
- Linguistics
- Computer science, artificial intelligence
- Geography, physical
- Chemistry, organic
- Crystallography
- Environmental sciences
- Archaeology
- Geosciences, multidisciplinary
- Microbiology
- Geology
- Materials science, multidisciplinary
- Chemistry, inorganic & nuclear
- Cell biology
- Engineering, environmental
- Engineering, electrical & electronic
- Ecology
- Chemistry, physical
- Mycology
- Forestry
- Energy & fuels
- Engineering, mechanical
- Computer science, software engineering
- Electrochemistry
- Mineralogy
- Water resources
- Engineering, multidisciplinary
- Mathematical & computational biology
- Biodiversity conservation
- History
- Parasitology
- Engineering, industrial
- Materials science, characterization & testing
- Polymer science
- Biochemistry & molecular biology
- Geochemistry & geophysics
- Geography
- Robotics
- Infectious diseases
- Language & linguistics
- Marine & freshwater biology
- Materials science, biomaterials
- Health care sciences & services
- Materials science, coatings & films
- Food science & technology
- Entomology
- Mechanics
- Medical informatics
- Medieval & renaissance studies
- Engineering, chemical
- Dermatology
- Music
- Computer science, information systems
- Neurosciences
- Ornithology
- Paleontology
- Chemistry, applied
- Pathology
- Physics, atomic, molecular & chemical
- Agronomy
- Psychology, experimental
- Remote sensing
- Behavioral sciences
- Surgery
- Toxicology
- Transportation science & technology
- Urban studies
- Imaging science & photographic technology
