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teRpenE mini bioSynthEtic paTh – Reset
- - - - Terpenes represent the largest class of natural compounds with more than 50000 described structures. These molecules are very attractive from an industrial point of view due to their biological activities (artemisinin, taxol, ...), organoleptic properties (menthol, camphor, santalene, germac
Single Scan Two-Dimensional Fourier Transform Ion Cyclotron Resonance Mass Spectrometry – ONE_SHOT_FT-ICR_MS_2D
Bi-dimensional Fourier Transform Mass Spectrometry (2D FT-ICR MS) has received little attention relative to 2D NMR since its introduction in 1987. The main drawbacks of the original version of the 2D FT -ICR MS were: the loss of resolution caused by in ICR-cell CID, the difficulty of processing data
REASONED PRODUCTION OF LIGNINES AND HÉMICELLULOSES BY COUPLING OF ASSISTED MECHANICAL PROCESSES – LigNoV
This project, which include two laboratories (UMR IATE and LCA) and a company specialized in purification process engineering (NOVASEP), aims to develop a process for lignocellulosic biomass fractionation for the common valorization of the three main compounds, cellulose, lignin and hemicelluloses.
Robust engineering and directed evolution of synthetic pathways by integration of microfluidics and genomics – SYNPATHIC
A primary goal of Synthetic Biology is to engineer or re-engineer or add additional new functionalities to a biological system by constructing new parts, or modifying an existing biological system. In White Biotechnology, a clear objective is to enrich the metabolic repertoire of a microbial cell wi
DEVELOPMENT OF SAFE RADICAL INITIATORS FOR POLYMERIZATION (NAR) – NAR
Since the beginning of the era of technology, chemical industry plays pivotal roles spanning from the development of new materials to the development of new drugs. Even, if today, the importance and the attractiveness of the chemistry do not look strong, they are so deeply embedded in our daily life
Innovative Membrane processes for sustainable production for fine Chemistry – MemChem
At industrial scale, separation/purification processes represent from 40% to 70% of the operational costs (not including the cost of raw materials). They contribute to about 45% of the total energy consumption needed for a product elaboration. They correspond to conventional operations among them:
INTEGRAted moTIONS from molecular machines and motors – INTEGRATIONS
The original objectives of the project INTEGRATIONS were related to the coupling of molecular machines and motors in order to integrate their collective motions at higher length scales. Two generic systems have been proposed to study those coupling phenomena. The first one functions at thermodynamic
Fungi-inspired enzyme cocktails for fine-tuned deconstruction of plant biomass – FUNTUNE
This project aims at comparing the fungal enzymatic toolboxes involved in finely tuned deconstruction of plant cell walls. The selection of fungi with different life styles will allow comparison of the enzymatic mechanisms leading to extended degradation or moderate softening of plant cell walls. Th
Time-resolved Studies of Endothelial Nitric Oxide Synthase Catalytic Mechanism Using Photoactive NADPH Analogues – NOSTIME
The aim of this proposal is to develop new photoactive tools able to isolate and trigger a specific catalytic event upon irradiation with a laser pulse. The laser pulse occurs at zero time, allowing for synchronization of initiation of catalysis, which can be monitored in a time-resolved manner. To
Development and Application of Direct Dynamics Simulations for Reactivity of Biological Molecules – DynBioReact
The aim of the project is to develop and apply theoretical models based on explicit reaction dynamics to study gas phase fragmentation and synthesis of biological molecules. We studied which are the best methods and how different fragmentation models describe observed reactivity. The final aim is to
International Collaboration in Chemistry: Mechanistic studies of oxygen electrocatalysis by nanoelectrochemical techniques – ChemCatNanoTech
The main objective of the project concerned the quantitative characterization (existence? Importance?) of superoxide ion production during the electrochemical reduction of oxygen at noble metals or, in the Living World and at the level of the single cell, in relation with cellular inflammation and c
Micro-Detection in Solid State NMR – MicrogramNMR
Solid state NMR is one of the most versatile characterization techniques used in materials science. The latest methodological developments (double and triple resonances, dipolar recoupling, J spectroscopy) and instrumental progress (ultra-high magnetic fields, ultra-fast MAS probes, gyrotrons for th
Switchable molecular cages as catalysts for CO2 valorisation – SWITCHABLE CAGES
The aim of this research project is to build artificial molecular machines based on dynamic cages incorporating peripheral regulation sites to trigger, under the action of an external stimulus, a reversible and large modulation of the cavity size, to perform controlled guest delivery or switchable c
Sulfoxide- a novel strategy for the asymmetric C-H bond activation – Sulf-As-CH
We envision using a “readily removable” sulfoxide moiety as both directing group and chiral auxiliary. Encouraged by our pioneering work on diastereoselective Pd-catalyzed C(sp2)-H direct functionalization, we propose to study a panel of different Pd-catalyzed transformations, focusing, in particula
Convergent total synthesis of kidamycin – KidamySyn
From a structural point of view, kidamycin is 4H-anthra[1,2-b]pyran-4,7,12-trione structure adorned by two meta-disposed aminosugars - D-angolosamine and N,N-dimethyl-L-vancosamine branched at C8 and C10, respectively , a 2-butenyl residue attached at C1 and two additional substituents, a methyl at
METAL-LIGAND COOPERATIVE CATALYSIS BASED ON ORIGINAL NON-INNOCENT PINCER COMPLEXES – CYCLOOP
Cooperative catalysis, in which both partners work in a concerted manner to favor a transformation, has become a highly valuable synthetic tool. Inspired by biological systems, several types of cooperativity involving transition metals have been designed: bimetallic, metal/organic and metal/ligand.
artificial enzyme: an heteregeneous catalyst – CrystalBall
Catalytic processes are at the cutting-edge of the development of green chemistry. The project «crystalball» represents a major asset for the design of a sustainable chemistry, with an original combination of biocatalysis and chemical metal based catalysis. Our original strategy relies on the concep
Transition metal-free approach towards the control of biaryl axial chirality – ChirNoCat
The main purpose of this project is to build a new research area in polar organometallic chemistry towards the control of axial chirality during aryl-aryl bond formation in absence of transition metals (ChirNoCat), and starting from cheap and/or easily accessible reagents. The preparation of axially
Multi-configuration density-functional theories for excited states – MCFUNEX
Time-dependent density-functional theory (TD-DFT) is the standard approach for computing electronic excitation energies. Despite its success, TD-DFT, in its usual approximate formulation, cannot treat multiconfigurational electron correlation effects adequately and it completely misses multiple elec
Hydrogen atom donors and cooperative ligands stemming from oxyallyl frameworks – HALIGO
Whereas oxyallyl radicals have been considered as non-isolable oddities for long, our recent results (Angew. Chem. Int. Ed., 2013, 52, 7014) show that they can be, in fact, highly stable. This project intends to capitalize on this paradigm shift, to find simples synthetic routes towards these molecu
Reactive intermediates for the CH bond activation of methane synergistic experimental and computational studies – RICH
Methane is the main component of natural gas and biogas. Current transformations are poorly selective. Finding cleaner, less energy intensive pathways for selective catalytic methane functionalisation to value-added chemicals is a major challenge. RICH aims at directly identifying reactive intermedi
Azaphosphatranes in confined space for CO2 valorization – AZAP-CO2
The chemistry of azaphosphatranes (AZAP) in confined media represents a new class of tunable organocatalysts which have great potential for the development of clean and fine chemicals production. The specific reaction studied herein, the coupling of carbon dioxide, a renewable feedstock, with epoxid
Excited States of BiO-relevant systems: towards ultrafast DYnamics with conformational Resolution – ESBODYR
While the absorption of light by biomolecules is ubiquitous in Nature and used in many fields of research, the understanding of the underlying ultrafast process following the photon absorption is still limited. In this project,conformer-selective excited state dynamics of bio-relevant systems (isola
Functional screening of highly divergent, unclassified or putative polysaccharides degrading enzymes – 1000Cazymes
Polysaccharides are very complex biomacromolecules and represent the most abundant biomass on land and in oceans. As such they mediate a plethora of biological functions, from energy storage, to structural molecules, or as the mediators of intra- and intercellular recognition within one organism or
Desymmetrization of a,a'-dimethoxy-g-pyrone, a highway to molecular diversity – GPYRONE
The main issue of aureothin is that the molecule is unstable to light while exhibiting strong antitumoral properties. The objective was therefore to understand the origin of the sensitivity and to tune the structure of the molecule to prevent this process. In parrallel, we devised an access to ocel
Discovery of bioorthogonal click and release reactions: toward new tools for chemical biology – CLICKREAL
The ClickReal project has two main objectives. The first one is to study, understand and finally predict the reactivity of mesoionic compounds toward strained alkynes. The project also aims at developing new mesoionic and new cycloalkyne structures with the goal to find the best compromise between r
CALIXARENE MOLYBDENUM BASED (ELECTRO)CATALYSTS FOR NH3 PRODUCTION UNDER MILD CONDITIONS – CalixMo
This multidisciplinary project would contribute to the obtention of the first competitive molecular catalyst or electrocatalyst for NH3 production from N2 under mild conditions. In order to approach this ambitious objective, we propose to synthesize new mononuclear Mo complexes supported by 3D macro
Multiscale Simulations of Bifunctional Catalysts – MuSiC
In sustainable chemistry, the switch towards biomass-based resources requires to develop new catalysts for new reactions. Although simulation could be an excellent tool for the design of novel catalysts, the large size of the reaction network and the solvated conditions render brute force first prin
BREAKING AND MAKING BONDS UNDER A CAVITY STRESS WITH BIOMIMETIC METAL COMPLEXES – STRESSMETCHEM
In the literature, many publications highlighting the development of new synthetic methods consist in forming or, more rarely, breaking chemical bonds. In both cases, organic chemists are facing reactivity and chemo or regio-selectivity problems. Nature has developed powerful tools for chemistry, no
Emerging azacalixphyrin: a novel molecular tool for science – EMA
Porphyrins are the most important and adaptable macrocycles in science since their research concerns areas ranging from chemistry to materials science, physics to biology and engineering to medicine. In 2013, the two groups implied in the present proposal have been the first to report a “pyrrol-free
Catalytic Migrative Cross-Couplings – MigraCat
The functionalization of unactivated C(sp3)-H bonds, which bears a high synthetic potential, is a major challenge of modern metal catalysis. The purpose of this project is the development of migrative Pd-catalyzed cross-couplings as a new selective C(sp3)-H functionalization strategy. The principle