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.
Nitrogen Hydrate Cage Occupancy and Bulk Modulus Inferred from Density Functional Theory-Derived Cell Parameters
Gas clathrate hydrate solid materials, ubiquitous in nature as found either on the ocean floor, permafrost on the Earth, or in extraterrestrial planets and comets, are also technologically relevant, for example, in energy storage or carbon dioxide sequestration. Nitrogen hydrate, in particular, is ...
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). ...
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 ...
Pollen analysis - Dizy (Suisse, Vaud), En Delèze
Two series of pollen analyses at En Delèze, Dizy. Natural site: peat bog. Series 1: Samples from three trenches (M20, M25 et M80) Series 2: Drilling with a mechanized Russian core (DZ6) All together, 289 samples analysed and 18 14C dates.
Redetermination of the crystal structure of tetrammineplatinum(II) dichloride – A microporous hydrogen-bonded 3D network exhibiting a temperature-dependent order-disorder phase transition
The title compound [Pt(NH3)4]Cl2 (1), prepared by reaction of (NH4)2[PtCl4] with an excess of NH3 in aqueous solution, was crystallized from water and its structure redetermined by single-crystal X-ray diffraction at four different temperatures in the range from 273 K down to 100 K. 1 is composed of ...
Heterodinuclear Diphosphane-Bridged Iron–Platinum Diyne Complexes as Metalloligands for the Assembly of Polymetallic Systems (Fe, Pt, Co)
Treatment of [(OC)3Fe(μ-C=O)(µ-dppm)Pt(PPh3)] (1a) (dppm=Ph2PCH2PPh2) with 1,7-octadiyne affords the isomeric dimetallacyclopentenones [(OC)2Fe(µ-dppm)(µ-C(=O)C{(CH2)4C≡CH}=CH)Pt(PPh3)] (2a) and [(OC)2Fe(µ-dppm)(µ-C(=O)C(H)=C{(CH2)4C≡CH})Pt(PPh3)] (2a′). In a similar manner, the reaction with ...
Pollen analysis - Omisalj (Croatia)
Pollen analysis conducted in 2018 from a sediment core recovered in 2016 (OMISALJ-2016) at Omisalj, Krk Island.
Pollen analysis - Osor (Croatia)
Pollen analysis conducted in 2018 from a sediment core recovered in 2016 (OSOR-2016) at Osor, Cres Island.
Pollen analyses - Les Hôpitaux-Vieux (F-25), La Beuffarde
Pollen analyses conducted in 2017 from a sediment core recovered in 2016 (BEUF-2016) at La Beuffarde, Les Hôpitaux-Vieux.
Pollen analyses - Alba-la-Romaine (F-07), La Grande Terre
Pollen analyses conducted in 2015 from 23 soil samples recovered in 2015 at La Grande Terre, Alba-la-Romaine.
Pollen analyses - L'Auberson (CH-VD), Les Araignys
Pollen analyses conducted in 2017 from a sediment core recovered in 2015 (ARA-2015) at Les Araignys, L'Auberson.
Pollen analyses - Labergement-Sainte-Marie (F-25), Remoray Lake
Pollen analyses conducted in 2017 from a sediment core recovered in 2007 (REM-07) at Remoray Lake.
Van't Hoff law for temperature dependent Langmuir constants in clathrate hydrate nanocavities.
This work gives a set of parameters of van't Hoff law expression for calculating Langmuir constants of different gas species to determine their occupancy in clathrate hydrates in a temperature range 50 – 300 K. The van't Hoff law's parameters are derived from potential energy calculations using a ...
Crystal structure of tricarbonyl([mu]-diphenylphosphido-[kappa]2P:P)(methyldiphenylsilyl-[kappa]Si)bis(triphenylphosphane-[kappa]P)iron(II)platinum(0)(Fe-Pt)
The title compound, [FePt(C12H10P)(C13H13Si)(C18H15P)2(CO)3]·0.5CH2Cl2, represents an example of a phosphido-bridged heterobimetallic silyl complex; these are interesting precursors for the coordination and activation of small unsaturated organic molecules. The [mu]2-PPh2 ligand spans the iron and ...
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, ...
Bis{(4-methylthio)phenylthio}methane as assembling ligand for the construction of Cu(I) and Hg(II) coordination polymers. Crystal structures and topological (AIM) analysis of the bonding
The novel 1D coordination polymer (CP) [{Cu(μ2-Br)2Cu}(μ-L2)2] CP2 has been obtained by reaction of the tetrakisthioether p-MeSC6H4SCH2SC6H4SMe-p (L2) with CuBr in a 1:2 metal-to ligand ratio. In contrast to the previously described CP [{Cu(μ2-Br)2Cu}(μ-L1)2] CP1 obtained by reaction of the ...
2-(2,2-Dibromoethenyl)thiophene
The title compound, C6H4Br2S, represents a versatile building block for the preparation of [pi]-conjugated redox-active thienyl oligomers and metal-mediated cross-coupling reactions. This is due to the presence of an electrochemically active thienyl heterocycle and a reactive dibromovinyl ...
Two-dimensional polymeric [Hg4([mu]2-I)6I2([mu]2-C4S6)]n
The title compound, poly[([mu]2-2H,5H-1,3-dithiolo[4,5-d][1,3]dithiole-2,5-dithione)hexa-[mu]2-iodido-diiodidotetramercury(II)], [Hg4I8(C4S6)]n, represents the first example of a coordination polymer assembled by the [alpha],[alpha]-C4S6 dithione ligand. The HgII ions are four-coordinated in a ...
[μ-Bis(diphenylphosphanyl)methane]-tricarbonyl(μ-p-toluenesulfonylmethylisocyanato)(triphenylphosphane)iron-platinum(Fe-Pt)
The title compound, [FePt(C9H9NO2S)(C18H15P)(C25H22P2)(CO)3], represents a rare example of an isonitrile-bridged heterobimetallic complex (here Pt and Fe) and is an interesting precursor for the preparation of heterodinuclear [mu]-aminocarbyne complexes, since the basic imine-type N atom of the ...
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