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19 (0,078s) •

Project

Modular Synthesis of New Fischer Biscarbene Complexes, their Structural Features and Synthetic Applications (GA17-21770S)

New, so far not accessible carbene and mainly biscarbene complexes of Cr, Mo, W and Fe will be prepared using the metalation of Fischer carbene complexes recently developed in our group. We intend to study systematically the reactiv...

CC - Organická chemie

  • 2017 - 2019
    • •
  • 5 606 tis. Kč
    • •
  • 5 063 tis. Kč
    • •
  • GA ČR
Project

Enantioselective catalysis under the control of helical chirality (GA19-10144S)

The project is focused on the development of new helically chiral ligands and metal complexes to be explored in enantioselective catalysis. The attention will be paid to asymmetric synthesis of helicene-derived N-heterocyclic carbenes, cycli...

Organic chemistry

  • 2019 - 2023
    • •
  • 7 872 tis. Kč
    • •
  • 6 369 tis. Kč
    • •
  • GA ČR
Project

New Carbene Complexes of Iron and Chromium- Synthesis,Properties and Synthetic Applications (GA203/95/0160)

CA - Anorganická chemie

  • 1995 - 1997
    • •
  • 920 tis. Kč
    • •
  • 920 tis. Kč
    • •
  • GA ČR
Project

Preparation, reactivity and electrochemistry of new aminocarbene complexes of chromium and iron (GA203/04/0487)

allylic substitution involving Fischer carbenes as nucleophiles will be performed opposite regioselectivity compared to Pd) and the reactivity of obtained carbenes carbene complexes useful for the preparation of some polyc...

CA - Anorganická chemie

  • 2004 - 2006
    • •
  • 1 373 tis. Kč
    • •
  • 1 373 tis. Kč
    • •
  • GA ČR
Project

Preparation and applications of heavy fluorous Grubbs metathesis catalysts based on fluorous aryl ethers and dinitrogen heterocyclic carbenes (GA203/06/1511)

heterocyclic carbenes. The main advantage of the catalyst proposed is the possibility. On the other hand, fluorophilic dinitrogen heterocyclic carbenes based on imidazol......

CC - Organická chemie

  • 2006 - 2008
    • •
  • 960 tis. Kč
    • •
  • 960 tis. Kč
    • •
  • GA ČR
Project

Fluorous carbenes, complexes and ionic liquids based on perfluoropolyether-substituted imidazolium salts and their applications (GAP207/10/1533)

imidazolylidene carbenes for enantioselective alkene metathesis will be prepared. To obtain...

CC - Organická chemie

  • 2010 - 2014
    • •
  • 2 250 tis. Kč
    • •
  • 2 250 tis. Kč
    • •
  • GA ČR
Project

New Horizons of Catalysis with N-Heterocyclic Carbenes (NHC2) (GA22-11234S)

During the last decades, asymmetric organocatalysis has grown into one of the pillars of asymmetric catalysis, employing various small organic molecules as efficient catalysts, including N-heterocyclic carbenes (NHC). In the last few years, ...

Organic chemistry

  • 2022 - 2024
    • •
  • 6 228 tis. Kč
    • •
  • 6 228 tis. Kč
    • •
  • GA ČR
Project

Investigation of long-distance intramolecular electronic interactions and reactivity of mono- and binuclear aminocarbene complexes using electrochemical methods (IAA400400813)

ring on the carbene carbon atom and dimethylamino group. Detailed mechanism carbene complexes in organic synthesis and catalysis. All experiments will be compared......

CG - Elektrochemie

  • 2008 - 2011
    • •
  • 4 150 tis. Kč
    • •
  • 4 150 tis. Kč
    • •
  • AV ČR
Project

New sterically hindered and unsaturated Fischer carbene complexes of chromium and iron physico-chemical properties and reactivity (GA203/00/1240)

Using dynamic NMR, the rotational energy of activation around carbene carbon atom and aromate in chromium aminocarbenes will be studied. The results will be used for design and synthesis of complexes which are, as a result of hindered rotati...

CC - Organická chemie

  • 2000 - 2002
    • •
  • 1 712 tis. Kč
    • •
  • 1 080 tis. Kč
    • •
  • GA ČR
Project

Multideprotonable, ambiphilic and hybrid ligands with appropriate shape and electron pool for formation of oligometallic complexes (GA17-10377S)

-heterocyclic carbenes, hybrid neutral ligands (betaines), non-innocent imido-amides and various amidinate, guanidinate and carbene ligands decorated by R2B group. The use......

CA - Anorganická chemie

  • 2017 - 2019
    • •
  • 7 464 tis. Kč
    • •
  • 7 050 tis. Kč
    • •
  • GA ČR
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