77 results

Pollen analysis - Rochefort (Suisse, Neuchâtel), Cotencher Cave

Collected date : from 2019 ongoing

10 palynological samples taken from lower levels (older than 72,000 years). Partly sterile or very corrosive. Interesting presence of hornbeam (Carpinus) mixed with steppics in a sample.

Pollen analysis - Beffia (F-39), Tumulus 2001, En Magne ou sur Magne

Disciplines : archaeology
Collected date : from 2001 ongoing
Creators : Hervé Richard

5 palynological samples at the heart of the main burial ground. Almost sterile.

Pollen analysis - Sciez (F-74), Chemin de la Renouillère

Collected date : 2019
Creators : Hervé Richard

Archaeologiocal site. Plain in edge of a lake. 4 palynological samples.

Pollen analysis - Les Eyzies-de-Tayac-Sireuil (F-26), 28 avenue de la Forge, calcareous tuff

Collected date : from 2019 ongoing
Creators : Hervé Richard

A single palynological sample from a layer of calcareous tuff. Sterile.

Pollen analysis - Siracusa (Sicile, Italie), Aqueduc du Galermi

Collected date : from 2019 ongoing
Creators : Hervé Richard

A single palynological sample from carbonates in a Roman aqueduct. Poor but exploitable.

Pollen analysis - Saint Benoît (F-86), Pièces de la Chaume, carbonates from a Gallo-Roman aqueduct

Collected date : from 2019 ongoing
Creators : Hervé Richard

Two palynological samples taken from a carbonate inking in the Gallo-Roman aqueduct of Poitiers. Poor.

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 ...

Human recreational disturbance effects on chicks stress

Collected date : 2017
Creators : Thibaut Powolny

Stress hormones, telomere lenght, and reproductive success for breeding bird in the Chaux forest.

3-spiroindolizines containing an isoindole ring through intra-molecular arylation of spiro-N-acyliminium species

Collected date : from Jan 2017 to Oct 2018

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 ...

Pure liquid phase recovery in karstic medium

Collected date : from Mar 2017 ongoing

This project is about the study in 2D-cells of fractured media, contaminated by pure phase hydrocarbons. Cosidered systems are made of 3 non-miscible fluids (air, water and hydrocarbons), considering light and dense hydrocarbons. First, the fluids behavior and the distribution of contaminants were ...

Clay mineralogical and geochemical expressions of the "Late Campanian Event" in the Aquitaine and Paris basins (France): Palaeoenvironmental implications

Collected date : from 15 Aug 2013 to 15 May 2014

Campanian sediments from two French sedimentary basins were studied, using clay mineralogy and stable isotope (δ13C and δ18O) geochemistry, in order to investigate the Late Campanian Event. The clay fraction of the Campanian sediments from the Tercis-les-Bains section (Aquitaine Basin) and from the ...

Continental weathering as a driver of Late Cretaceous cooling: new insights from clay mineralogy of Campanian sediments from the southern Tethyan margin to the Boreal realm

Disciplines : geology mineralogy
Collected date : from 15 Aug 2014 to 15 Aug 2016

New clay mineralogical analyses have been performed on Campanian sediments from the Tethyan and Boreal realms along a palaeolatitudinal transect from 45° to 20°N (Danish Basin, North Sea, Paris Basin, Mons Basin, Aquitaine Basin, Umbria-Marche Basin and Tunisian Atlas). Significant terrigenous ...

DNA Library - CNR Echinococcoses

Disciplines : ecology cell biology microbiology ...
Collected date : from 1 Jan 1980 ongoing

DNA Library is a database associated to a web interface, created to improve the storage and the life of a biological sample collection, closely related to the research activities of the National Reference Center for Echinococcosis (CNR Echinococcoses, University Hospital of Besançon, France). 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

Collected date : from 2010 to 2014

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, ...

Diethyl 2,2'-(1,4-phenyl­enedi­oxy)­diacetate

In the title compound, C14H18O6, a crystallographic center at the centroid of the aromatic ring generates the complete mol­ecule which is planar within 0.085 (1) Å for the non-H atoms. In the crystal, weak C—H⋯O and C—H⋯π inter­actions link the molecules.

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

Collected date : from 2008 to 2009

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 ...

4,12-Bis(2,2-dibromo­vinyl)[2.2]paracyclo­phane

Disciplines : crystallography
Collected date : from 2008 to 2009

In the title compound, C20H16Br4, both vinylic substituents were introduced by a Corey-Fuchs reaction using 4,12-diform­yl[2.2]paracyclo­phane as starting material. The title compound may be used as a valuable precursor for the synthesis of diethyn­yl[2.2]paracyclo­phane. The title mol­ecule is ...

4,4-Bis(4-methyl­phenyl­sulfan­yl)-1,1-diphenyl-2-aza­buta-1,3-diene

Disciplines : crystallography
Collected date : 2007

In the title compound, C29H25NS2, both the Cl atoms of the aza­diene precursor 4,4-dichloro-1,1-diphenyl-2-aza­buta-1,3-diene are replaced by two vicinal S-p-tolyl substituents attached to the terminal C atom of a [pi]-conjugated 2-aza­butadiene array. The aza­diene chain is planar to within 0.01 Å. ...

(2,2-Dichloro­vinyl)ferrocene

Disciplines : crystallography
Collected date : from 2008 to 2009

The title compound, [Fe(C5H5)(C7H5Cl2)], represents a versatile building block for the preparation of [pi]-conjugated redox-active compounds or polymetallic organometallic systems due to the presence of the electrochemically active ferrocenyl unit. It is therefore a potential starting material for ...

Crystal structure of 4,4-di­bromo-1-(3,4-di­meth­­oxy­phen­yl)-2-aza­buta-1,3-diene-1-carbo­nitrile

The title compound, C12H10Br2N2O2, represents an example of a planar π-con­jugated 2-aza­butadiene mol­ecule, which is both an inter­esting starting material for further organic transformations and a potential ligand in organometallic coordination chemistry. Its metric mol­ecular parameters are ...

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 ...

77 results

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dat@OSU

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Université de Bourgogne, Université de Franche-Comté, UTBM, AgroSup Dijon, ENSMM, BSB, Arts des Metiers