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 ...
Pressure-Temperature quantification of continental crustal hydration - Colorado Plateau
Data acquired in collaboration with the University of Boulder in Colorado (U.S.A.) for the understanding of the Colorado Plateau elevation. These data sets include mineralogical, petrological, chemical, pressure-temperature modelisation and density evolution.
FIBROKARST
This project focuses on understanding karstic systems and particularly on the issue of recharge and transfer processes in these very heterogeneous and generally inaccessible environments. The objective is to use the fiber optic technique to identify the recharge points of the karstic aquifer of ...
Impact of a treatment by plasma polymerization on the filtration performances of commercial membranes for the decontamination of solution containing metal ions.
In this project, a commercial membrane exhibiting low performances of heavy metal removal has been modified by plasma grafting of poly(allylamine). This treatment allows modifying the structural and physicochemical properties of the membrane surface and thus increasing separation performances, while ...
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). ...
Control of Structures and Emission Properties of (CuI)n 2-Methyldithiane Coordination Polymers
A structurally unique and strongly luminescent nonporous 3D coordination polymer (CP) [Cu8I8(methyldithiane)4]n, CP3, has been prepared in a quasi-anticipated manner from 2-methyl-1,3-dithiane, L1, and CuI. This CP incorporates an unprecedented Cu8I8 cluster built upon two side-fused open cubanes. ...
A Fused Poly(truncated rhombic dodecahedron)-Containing 3D Coordination Polymer: A Multifunctional Material with Exceptional Properties
The design of new and inexpensive metal-containing functional materials is of great interest. Herein is reported a unique thermochromic near-IR emitting coordination polymer, 3D-[Cu8I8(L1)2]n, CP2, which is formed when ArS(CH2)4SAr (L1, Ar = 4-C6H4OMe) reacts with 2 equiv of CuI in EtCN. In MeCN, ...
Crystal structure of di-[mu]-iodido-bis[bis(acetonitrile-[kappa]N)copper(I)]
The title compound, [Cu2I2(CH3CN)4], exhibits a centrosymmetric Cu2I2 core [Cu...Cu distance = 2.7482 (11) Å], the CuI atoms of which are further coordinated by four molecules of acetonitrile. The CuI atom has an overall distorted tetrahedral coordination environment evidenced by L-Cu-L angles (L ...
Crystal structure of di-[mu]-iodido-bis[(dimethyl sulfoxide-[kappa]O)(triphenylphosphane-[kappa]P)copper(I)]
The centrosymmetric dinuclear title compound, [Cu2I2(C2H6OS)2(C18H15P)2], represents the first example of a CuI complex ligated by an O-bound dimethyl sulfoxide ligand. In the crystal, the two tetrahedrally coordinated CuI atoms are bridged by two [mu]2-iodido ligands in an almost symmetrical ...
Crystal structure of the two-dimensional coordination polymer poly[di-μ-bromido-bis(μ-tetrahydrothiophene)dicopper(I)]
The polymeric title compound, [Cu2Br2(C4H8S)2]n, CP1, represents an example of a two-dimensional coordination polymer resulting from reaction of CuBr with tetrahydrothiophene (THT) in MeCN solution. The two-dimensional layers consist of two different types of rhomboid-shaped dinuclear ...
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.
Pollen analysis - Le Locle (NE, CH), Col des Roches (Projet H20)
The archaeological surveys carried out on the Le Locle bypass road have made it possible to make several test borring in the upper part of the fill of the area located south of the city, between the city and the Col des Roches, in the Marais des Calame and Marais de la Molière. Two sections were ...
Pollen analysis - Fontenu (F-39), Domaine CID I et CID II
Two boreholes (CID I of 5.77 m and CID II of 7.63 m) were drilled off the Domaine de Chalain (east bank), 65-70 m from the shore. 57 pollen samples were taken from CID I and 21 from CID II + 5 radiocarbon dates.
Pollen analysis - La Châteleine (F-39), Au vieux château
Only one sample in a natural depression in the heart of the castle excavation.
BIOTROPH - Molecular Ecology
A data set for the project ‘BIOTROPH’. The aim of this study was to estimate functional role of the taxonomic diversity of available resources in the field on trophic exposure of small mammals (wood mice ‘Apodemus sylvaticus’) to trace metals (TM; principally cadmium, lead and zinc). The data was ...
CECURE-Contamination of the Environment and Circulation in Urban and Rural areas of Echinococcus multilocularis
A copro-sample collection was created for the CECURE project. The aim of this study was to assess the relative role of carnivore hosts (mainly fox, dog, cat) in the speading and circulation of the parasite Echinococcus multilocularis in the urban and rural environnement in order to assess the ...
Genotypic and phenotypic evolution of a Pseudomonas aeruginosa ST395 strain during 11-year in hospital spread.
P. aeruginosa is an opportunistic pathogen responsible of hospital-acquired infections in immunocompromised patients. Although in-host evolution of P. aeruginosa is well documented, little is known about this pathogen evolution during its spread on a hospital scale. The high-risk multidrug resistant ...
Suretta nappe shear zones
The database "Suretta nappe shear zones" contains petrological, structural and microtextural data of millimetre-scale shear zones from the Roffna rhyolite (Suretta nappe, Eastern Alps, Switzerland). The data consist of structural orientations, optical and electronic images of the mineralogy of the ...
Crystal structure of dicarbonyl[μ2-methylenebis(diphenylphosphane)-κ2P:P′][μ2-2-(2,4,5-trimethylphenyl)-3-...
The title compound, [FePt(C12H12O)(C18H15P)(C25H22P2)(CO)2]·2C7H8·CH2Cl2 or [(OC)2Fe(μ-dppm)(μ-C(=O)C(2,4,5-C6H2Me3)=CH)Pt(PPh3)], represents an example of a diphosphane-bridged heterobimetallic dimetallacyclopentenone complex resulting from a bimetallic activation of 1-ethynyl-2,4,5-trimethylbe ...
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