37 results

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 ...

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

Collected date : from 2018 to 2021

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, ...

Pollen analysis - Montlebon (F-25), Sur la Vigne 1 (Morteau A)

Collected date : 1982
Creators : Hervé Richard

Natural site: wet meadow. 99 palynological samples + 4 radiocarbon datings. Drilling of 28.10 meters length.

Pollen analysis - Montlebon (F-25), La Vigne 2

Collected date : 1992
Creators : Hervé Richard

Natural site: wet meadow. 22 palynological samples. From 3,90 to 18,85 meters length: extension of Morteau Stade and Sur la Seigne transect lines.

Pollen analysis - Lavancia-Epercy (F-39), Dortan travertine quarry

Collected date : 1985
Creators : Hervé Richard

Natural site: travertine quarry ("Tuff of Dortan"). 3 palynological samples + 1 radiocarbon dating: 9100 ± 180 BP.

Pollen analysis - Montlebon (F-25), Transect S4

Collected date : 1992
Creators : Hervé Richard

Natural site: wet meadow. 6 palynological samples. From 10.20 to 13.20 meters. Atypical results. Extension of Morteau Stade et Sur la Seigne transect lines.

Pollen analysis - Montlebon (F-25), Sur La Seigne

Collected date : 1982
Creators : Hervé Richard

Natural site: wet meadow. 58 palynological samples + 2 radiocarbon datings. 10,40 meters length.

Pollen analysis - Montlebon (F-25), Transect S3

Collected date : 1992
Creators : Hervé Richard

Natural site: wet meadow. 24 palynological samples. From 4.40 to 25,70 meters length: extension of Morteau Stade and Sur la Seigne transect lines.

Pollen analysis - Morteau (F-25), Transect S2

Collected date : 1992
Creators : Hervé Richard

Natural site; weat meadow. 16 palynological samples. Many drillings along a transect ligne: 6.0 to 12.45 meters length.

Pollen analysis - Morteau (F-25), Transect S1

Collected date : 1992
Creators : Hervé Richard

Natural site; weat meadow. 18 palynological samples. Many drillings along a transect ligne: 4.20 to 12.30 meters length.

Pollen analysis - Morteau (F-25), Stade

Collected date : 1982
Creators : Hervé Richard

Natural site; weat meadow. 62 palynological samples. 12 meters length drilling.

Effect of global warming on the immune system of phytophagous pests

Collected date : from 1 Feb 2016 ongoing
Creators : Jérôme Moreau

Physiological parameters of the insect immune system (heamocyte, PO, pro PO) Behavioral parameters of larval defense against natural ennemies (activity, flapping) Parameters of insect reproduction (mating success, fecundity, fertility)

Unusual Triplet-Triplet Annihilation in a 3D Copper Chloride Coordination Polymer

A new coordination polymer (CP) defined as [Cu2Cl2(EtS(CH2)4SEt)4]n (CP2) was prepared by reacting EtS(CH2)4SEt with CuCl in acetonitrile in a 1 : 2 stoichiometric ratio. The X-ray structure reveals formation of non-porous 3D material composed of parallel 2D-[Cu2Cl2S2]n layers of Cl-bridged ...

WRF-CORDEX simulations on the Mediterranean domain MED-44

Collected date : from Jan 2019 to Dec 2019

WRF-CORDEX simulations on the Mediterranean MED-44 domain at 44 kms resolution. The version of the WRF model is 3.8.1 (Advance Research WRF dynamics (Skamarock et al 2008.)) forced by ERA-interim for the control run and CCSM4 for the scenarios. 4 sets of data are therefore available: the control run ...

WRF-CORDEX simulations on the Europe domain EUR-44

Collected date : from Jan 2019 to Dec 2019

WRF-CORDEX simulations on the European EUR-44 domain at 44 kms resolution. The version of the WRF model is 3.8.1 (Advance Research WRF dynamics (Skamarock et al 2008.)) forced by ERA-interim for the control run and CCSM4 for the scenarios. 4 sets of data are therefore available: the control run over ...

Pollen analysis - Mirebel (F-39), Les Granges Bruant

Collected date : 1995
Creators : Hervé Richard

Natural site. Organic level into the lower river terrace of the Ain river. 3 palynological samples. Presence of Fagus and Juglans pollen grains (= pollution).

Pollen analysis - Châtillon (F-39), Les Ebalèves (varves)

Collected date : 1980
Creators : Hervé Richard

Natural site. Geological section border on the Ain river. 25 palynological samples very low in pollen grains. Other analysis by Bohneke (1987) and Duverne (1958).

Pollen analysis - Charcier (F-39), En Bourand (Varves)

Collected date : 1980
Creators : Hervé Richard

Natural site. Geological section border on the Ain river. Only one nearly sterile palynological sample.

Wikipedia network analysis of cancer interactions and world influence

We apply the Google matrix algorithms for analysis of interactions and influence of 37 cancer types, 203 cancer drugs and 195 world countries using the network of 5 416 537 English Wikipedia articles with all their directed hyperlinks. The PageRank algorithm provides the importance order of cancers ...

Massive evaluation and analysis of Poincaré recurrences

We present a novel numerical method aimed to characterize global behaviour, in particular chaotic diffusion, in dynamical systems. It is based on an analysis of the Poincaré recurrence statistics on massive grids of initial data or values of parameters. We concentrate on Hamiltonian systems, ...

37 results

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dat@UBFC

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