ZB-8a Photocatalysis

Head of the Group: Prof. Teresa Szymańska-Buzar

M.Sc. 1967, Ph.D. 1974, D.Sc. 1990, Prof. 2001

 

Ø   Member of the Polish Chemical Society, member of the European Photochemistry Association,
member of the Polish Electronic Paramagnetic Resonance Society.

Ø   Visiting researcher at Inorganic Chemistry Laboratory, Oxford University, U.K.

Ø   Visiting professor at University of Lille, France.

Ø   Co-director of NATO Advanced Study Institute 3rd–15th Sept. 2000, Polanica Zdrój, Poland.

Ø   Co-editor of “Ring Opening Metathesis Polymerisation and Related Chemistry”, NATO Science Series,
II. Mathematics, Physics and Chemistry – vol. 56, Kluwer Academic Publishers.

 

Research staff:

Ø     Dr. Czeluśniak Izabela

Ø     Dr. Kochel Andrzej

 

Research topice:

 

Ø   Organometallic and coordination photochemistry.

Ø   Photocatalysis.

Ø   Homogeneous catalysis.

Ø   Photochemical synthesis and structural characteristic of the catalytically important organometallic compounds.

Ø   Molybdenum and tungsten chemistry and catalysis.

Ø   Metathesis of olefins and acetylenes, ring opening metathesis polymerisation of cyclic olefins.

Ø   Catalytic reactions leading to the formation of new carbon-carbon bonds.

Ø   Chemistry of seven-coordinate tungsten and molybdenum compounds.

Ø   Coordination and organometallic chemistry involving olefin, acetylene and carbonyl complexes of group 6 metals.

Ø   Application and development of NMR techniques for investigations of the catalytically important organometallic compounds.

 

 

Special equipment:

 

Ø   Photo-reactors for investigation of photochemical reactions in solution and synthesis of organometallic compounds.

Ø   Cryostat - KT40C11 (-40–1000C)

Ø   Glove box MBRAUN LABSTAR with gas purification system.

Ø   Rotavapor R-210/215 (Büchi) with vacuum pump (V-700/710) and vacuum controller (V-850/855).

 

 

Recent research achievements:

 

Photochemical synthesis of heterobimetallic complexes ([M–M’]) of the general formula [(CO)4M-
(
μ-Cl)3M(M’Cl3)(CO)3] (M = W, Mo; M’ = Sn, Ge) and their application in catalytic ring opening metathesis polymerization of cyclic olefins, hydroarylation of olefins and synthesis of 2-bicyclo-[2.2.1]hept-2-ylidenebicyclo[2.2.1]-heptane.

 


 


 


 

 

Photochemical activation of the Si−H bond of silanes and its application in hydrosilylation of ketones and dehydrogenative silylation of alcohols.

                                              

 

 


X-ray crystal structure of new tungsten and molybdenum
organometallic compounds

 

 

 

[(CO)4W(m-Cl)3W(GeCl3)(CO)3]

J. Organomet. Chem., 2006, 691, 3708

 

[(m-GeCl2){W(CO)5}2]

J. Organomet. Chem., 2006, 691, 3708

 

[m-Cl)3{W(SnCl3)(CO)3}2]-

J. Organomet. Chem., 2007, 692, 3994

 

[(m-SiPh2){W(CO)5}2]

Organometallics, 2003, 22, 4869

 

[MoCl(GeCl3)(CO)3(h4-C7H8)]

Inorg. Chim. Acta, 2008, 361, 502

 

[{Mo(m-h2-H-SiEt2)(CO)4}2]

Organometallics, 2006, 25, 3791

 
 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


Selected papers:

 

1.       Górski M., Kochel A., Szymańska-Buzar T.
Synthesis, structure, and unusual reactivity of the first norbornene carbonyl complexes of tungsten.
Organometallics, 2004, 23, 3037-3046.

2.       Malinowska A., Czeluśniak I., Górski M., Szymańska-Buzar T.
W(II)-catalyzed hydroarylation of bicyclo[2.2.1]-hept-2-ene by simple arenes.
Tetrahedron Lett., 2005, 46, 1427-1431.

3.       Malinowska A., Czeluśniak I., Górski M., Szymańska-Buzar T.
A novel catalytic route to 2-bicyclo[2.2.1]hept-2-ylidenebicyclo[2.2.1]-heptane involving C-H bond activation of bicyclo[2.2.1]hept-2-ene.
J. Mol. Catal. A: Chem., 2005, 226, 259-262.

4.       Stosur M., Kochel A., Keller, A. Szymańska-Buzar T.
Photochemical reaction of Mo(CO)6 with Et2SiH2: Spectroscopic characterization and crystal structure of the
bis{(m-diethylsilyl)-tetracarbonyl-molybdenum(I)} complex [{Mo(m-h2-H-SiEt2)(CO)4}2].
Organometallics, 2006, 25, 3791-3794.

5.       Gądek A., Kochel A., Szymańska-Buzar T.
Activation of
the Si-H bond of Et2SiH2 in photochemical reaction with W(CO)6: spectroscopic characterization of intermediate W-Si compounds and the revisited crystal structure of the bis{(m-h2-hydridodiethylsilyl)-tetracarbonyltungsten(I)} complex [{W(m-h2-H-SiEt2)(CO)4}2].
J. Organomet.Chem., 2007, 692,
3765-3777.

6.       Górski M., Hartl F., Szymańska-Buzar T.
Isomeric olefin tetracarbonyl complexes of tungsten(I): An infrared spectroelectrochemical study at low temperature.
Organometallics, 2007, 26,
4066-4071.

7.       Stosur M., Szymańska-Buzar T.
Facile hydrosilylation of norbornadiene by silanes R3SiH and R2SiH2 with molybdenum catalysts.
J. Mol. Catal. A: Chem., 2008, 286, 98-105.

8.       Czeluśniak I., Handzlik J.
Polymerization of hydroxyacetylenes by ruthenium alkylidene complexes.
J. Organomet. Chem., 2009, 694, 1427-1434.

9.       Zyder M., Szymańska-Buzar T.
Activation of the Ge-H bond of Et3GeH in photochemical reaction with molybdenum(0) carbonyl complexes and hydrogermylation of norbornadiene.
J. Organomet. Chem., 2009, 694, 2110-2113.

10.   Zyder M., Kochel A., Handzlik J., Szymańska-Buzar T.
Photochemical reaction of Mo(CO)6 with Et2GeH2: NMR and DFT studies of reaction products; crystal structure of a novel complex[{Mo(
μ-η2-H—GeEt2)(CO)4}2].
Organometallics, 2009, 28, 5857-5865.