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Grup de Catálisi Homogènia i Síntesi Orgánica Estereoselectiva 2001 SGR 00316. Prof. Sergio Castillón Síntesis Orgánica. Departament de Química Análitica I Química Orgánica. Prof. Carmen Claver Organometál.lics i Catàlisi Homogénia OMICH. Departament de Química Física i Inorgànica.

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Departament de qu mica f sica i inorg nica

Grup de Catálisi Homogènia i

Síntesi Orgánica Estereoselectiva

2001 SGR 00316

Prof. Sergio Castillón

Síntesis Orgánica

Departament de Química Análitica I Química Orgánica

Prof. Carmen Claver

Organometál.lics i Catàlisi Homogénia

OMICH

Departament de Química Física i Inorgànica


Departament de qu mica f sica i inorg nica

Metallic nanoparticles as catalyst

-High activity and selectivity (large specific surface)

“Probing Catalysis on the Nanoscale”

Science & Technology, C&EN,September 27,2004

-Efficient catalysts for several proceses

Hydrogenation Hydrosilylation

Oxidation C-C coupling reactions

-Activity in reactions where other catalysts are not active

-Only one example in enantioselective catalyst

Chem. Eur. J., 1997, 3, 1200

TetrahedronLett. 1998, 39, 1941


Departament de qu mica f sica i inorg nica

Metallic nanoparticles stabilized by organic ligands

Stabilisation and reproducibility.

Control of nanoparticles.

Uniformity in particle size, composition and morphology.

Systematic modification of the ligands: Effect on the properties

of the nanoparticles.

Organometallic complexes as starting materials.


Departament de qu mica f sica i inorg nica

  • NANOCATALYST

  • Metal Nanoparticles Stabilized by Organic Ligands. Applications in Catalysis

  • Synthesis of nanoparticles of transition metals stabilized by organic ligands:

  • -Perfluorinated ligands.

  • Application in hydrogenation reaction.

  • -Chiral ligands with carbohydrate backbone.

  • Application C-C coupling reactions


  • Departament de qu mica f sica i inorg nica

    1. Synthesis of nanoparticles of transition metals stabilized by organic ligands. Application in hydrogenation reaction

    -Synthesis of pyridine derivative perfluorinated ligands

    -Metal nanoparticles stabilization of different transition metals

    -Application as catalyst for arene hydrogenation in supercritic CO2


    Departament de qu mica f sica i inorg nica

    Influence of Organic Ligands on the Stabilization Organometallic Palladium Nanoparticles.

    E. Ramirez, S. Jansat, K. Philippot, P. Lecante, M. Gomez, A.Masdeu, B. Chaudret

    J. Organomet. Chem. 2004, (submitted)


    Departament de qu mica f sica i inorg nica

    2. Metal nanoparticles stabilized by organic chiral ligands with carbohydrate backbone.

    -Design and synthesis of new carbohydrate ligands

    -Synthesis and characterization of metal nanoparticles

    (Rh,Pd, Ru) with new chiral ligands

    -Application in palladium catalyzed C-C bond reactions

    and other catalytic processes.


    Departament de qu mica f sica i inorg nica

    Synthesis of palladium nanoparticles

    L=

    A case for Enantioselective Allylic Alkylation Catalyzed by Palladium Nanoparticles

    S.Jansat,M. Gomez, K. Philippot, G.Muller, E. Guiu, C. Claver, S. Castillón, B. Chaudret

    J. Am. Chem. Soc., 2004, 126, 1593


    Departament de qu mica f sica i inorg nica

    Catalysis. Reaction of allylic alkylation

    -Homogeneous catalyst and nanocatalyst behave differently

    -First example of kinetic resolution with nanocatalyst

    J. Am. Chem. Soc., 2004, 126, 1593


    Departament de qu mica f sica i inorg nica

    Pd/L 1/0.1

    R: 43 %

    L=

    X 100000

    X 150000


    Departament de qu mica f sica i inorg nica

    Aurora Ruiz

    Elena Fernández

    Montse Diéguez

    Oscar Pàmies

    Yolanda Díaz

    Asymmetric Catalysis

    Dr. Carmen Claver

    Dr. Sergio Castillón

    Rosa Axet

    Ester Guiu

    Supercritic CO2

    Dr. Anna M. Masdeu-Bultó

    Dr. Nuria Ruiz

    Marta Giménez

    Clara Tortosa

    Financial Support

    I+D- MCyT - Spain

    DGR- Generalitat Catalunya

    Acción Integrada-Picasso HF 2003

    PICS Project- NANOMETCAT 2003

    Dr. Bruno ChaudretLCC

    Dr. Karine PhilippotLCC

    Dr. Susanna JansatLCC

    Montse GómezUB

    Guillermo MullerUB

    Isabelle FavierUB


    Departament de qu mica f sica i inorg nica

    Collaborations

    PICS Project- NANOMETCAT 2003

    Universitat de Barcelona (Prof.G. Muller, Dra. M. Gómez)

    Universitat Autónoma de Barcelona (Prof. M. Moreno)

    ICIQ (Prof. M. Pericás)

    Université de Montpellier (Prof. M.Corriu)

    Université de Rennes ( Prof. A. Roucoux)

    Université de Strasbourg (Prof. M. Pfeiffer)


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