Scientific Conferences 1. P. Sobota, J. Utko, Z. Janas, J.Ejfler, MgCl 2 factor controling reactions mechanism of olefin polymerization, First French-Polish Workshop on Catalysis Wrocław June 5-11, 1988 2. P. Sobota, J. Utko, J.Ejfler, The influence of the intra and intermolecular interaction between C Cl atoms on stereoselectivity of catalytic processes, XVIII th Polish-German Colloquy on Organometallic Chemistry, Jadwisin, Poland, October 14-18, 1990, Book of Abstracts, P12 3. Z. Janas, P.Sobota, T. Płuziński, J.Ejfler, The interaction between early transition metals and inorganic salts, XVIII th Polish-German Colloquy on Organometallic Chemistry, Jadwisin, Poland, October 14-18, 1990, Book of Abstracts, P11 4. Z. Janas, P.Sobota, T. Płuziński, J.Ejfler, The interaction between early transition metals and inorganic salts, XXVIII International Conference on Coordination Chemistry, Gera 1990, Book of Abstracts, 4-83 5. P. Sobota, J. Utko, J.Ejfler, The influence of the intra and intermolecular interaction between C Cl atoms on stereoselectivity of catalytic processes, XXVIII International Conference on Coordination Chemistry, Gera 1990, Book of Abstracts, 3-95 6. P. Sobota, J. Ejfler, Titanium and molibdenium compounds as olefin polymerization and methatesis precatalyst, International Spring School on Molecular Catalysis Poznań-Baranowo April 4-8, 1992 7. J.Ejfler, P.Sobota, Titanium complexes as olefin polymerization precatalysts, XV th International Conference on Organometallic Chemistry, August 9-14,1992, Warsaw, P 190 8. P.Sobota, J. Ejfler, S. Szafert, K. Szczegot and W. Sawka Dobrowolska, [M 2 (µ-cl) 2 Cl 4 (thf) 4 ] (M = Ti, V), New Intermediates for the Synthesis of olefin Polimerization Catalyst, 12 th Summer School on Coordination Chemistry, Karpacz Poland, June 6-12, 1993, P13 9. P. Sobota, J. Ejfler, S. Szafert, K. Szczegot and W. Sawka Dobrowolska, Titanium and Vanadium Complexes, New Intermediates For The Synthesis of olefin Polimerization Catalyst, XIX th Polish-Germany Colloquy On Organometallic Chemistry, Jadwisin, Poland, October 9-14, 1993 Book of Abstracts, O-13 10. J.Ejfler, K.Szczegot, Complexes of Titanium Chlorides with Lewis Bases as Precursors of Ethylene Polymerization Catalyst, Turawa October 25-28 1993 P-15 11. J. Sibelska-Wiercigroch, J. Ejfler, K. Szczegot, Titanium-magnesium catalysts containing ethyl acetate for ethylene polymerization, Turawa October 25-28 1993 P-16 12. J. Ejfler and P. Sobota, Kompleksy tytanowo-magnezowe jako prekatalizatory polimeryzacji α-olefin, XXVI Ogólnopolskie Kolokwium Katalityczne, Kraków 1-3 II, 1994, O-42
13. J. Ejfler, I. O.Fritsky, K. Szczegot and P. Sobota, New Dimeric Vanadium Complexes Prekatalyst for Olefin Polymerization. Mechanism and Promoter Effects, XVI th International Conference Organometallic Chemistry, University of Sussex, 10-15 July 1994, Book of Abstracts P.269 14. P. Sobota, J. Utko, S. Szafert and J. Ejfler, Chemistry of Main-Group and Transition Metal Halide Complexes Related to Catalysis of Olefin Polymerization, XVI th International Conference Organometallic Chemistry, University of Sussex, 10-15 July 1994, Book of Abstracts OC.21 15. P. Sobota, J. Utko, S. Szafert, J. Ejfler, K. Szczegot, Kompleksy tytanowo-magnezowe jako prekursory nowej generacji katalizatorów polimeryzacji olefin, Jubileuszowy Zjazd PTChem i SiTPChem., Warszawa, 1994, Mat.Zjaz. S-6 R-7 16. J. Ejfler, K. Szczegot, P. Sobota, Dimeryczne kompleksy wanadu jako prekatalizatory procesu polimeryzacji olefin, Jubileuszowy Zjazd PTChem i SiTPChem., Warszawa, 1994, Mat.Zjazd. S-9K-37 17. K. Szczegot, J. Ejfler, I. Sibelska-Wiercigroch, Nowe tytanowo-magnezowe katalizatory polimeryzacji etylenu zawierające octan etylu, Jubileuszowy Zjazd PTChem i SiTPChem, Warszawa, 1994, Mat.Zjazd. S-6 K-7 18. J. Ejfler and P. Sobota, New Titanium and Vanadium Intermediates for the Synthesis of Olefin Polymerization Catalyst, II Regional Seminar of PhD Students in Organometallic Chemistry, Prague, 1-3 Dec., 1994, O-45 19. J. Ejfler, P. Sobota, Dimeryczne kompleksy wanadu- prekursory polimeryzacji α-olefin, XXVII Ogólnopolskie Kolokwium Katalityczne, Kraków 6-8 II, 1995, O-46 20. P. Sobota, S. Szafert, J. Utko, J. Ejfler, Katalizatory i technologia fluidalnego procesu polimeryzacji i kopolimeryzacji, Petrochemia Płock S.A.POLIMERY 2000, SEMINARIUM, Płock, czerwiec 1995, str.125 21. J. Ejfler and P. Sobota, Vanadium Catalysts Containing Organic Esters for Ethylene Polymerization, 2 nd International School on Molecular Catalysis ORGANOMETALLICS AND CATALYSIS, Poznań Kiekrz, June 11-15,1995, P-4 22. K. Szczegot, J. Ejfler, Polimeryzacja etylenu wobec katalizatorów wanadowo-magnezowych aktywowanych związkami glinoorganicznymi, Zjazd Naukowy PTChem i SiTPChem, 25-28 września, 1995 Lublin, Mat.Zjazd, S-10,K-4 23. J. Ejfler, P. Sobota, G. R. Willey and L. Jerzykiewicz, Synthesis and characterization of Ge(IV) Complexes as a Potential Molecular Precursors for CVD, 13 th Summer School on Coordination Chemistry, Polanica Zdrój, Poland, June 2-8, 1996 P-21 24. J. Ejfler, P. Sobota and K. Szczegot, New Dimeric Vanadium Complexes-Precatalyst for Olefin Polymerization, XX Colloquy on Organometallic Chemistry, Germany, Bad Kosen. 9-12 September, 1996, Abs. Book P-13 25. K. Szczegot, J. Ejfler, I. Sibelska Wiercigroch, Katalizatory wanadowo magnezowe na podstawie kompleksów chlorku wanadu(iii) z zasadami Lewisa do polimeryzacji etylenu, Zjazd PTChem i SiTPCh Poznań 23 26 wrzesień 1996, Mat. Zjazd., S14 D28
26. K. Szczegot, J. Ejfler, I. Sibelska Wiercigroch, Wpływ rodzaju zasady Lewisa w kompleksach z chlorkiem tytanu na proces polimeryzacji etylenu wobec katalizatorów tytanowo magnezowych, Zjazd PTChem i SiTPCh Poznań 23 26 września 1996, Mat. Zjazd., S14 D29 27. J. Ejfler, L. B. Jerzykiewicz and P. Sobota, The Crystal Structure of tetrachloro(tetrahydrofurfurylamine) titanium(iv), Seminarium Nieuporządkowane Struktury Krystaliczne i XXXIX Konwersatorium Krystalograficzne, Wrocław, 25-27 VI 1997 Abs. Book P-6 28. J. Ejfler S. Szafert and P. Sobota, Ionization of MCl4(M-Ti, Zr) During the Formation of high-activity olefin polymerization Catalyst, 2-nd International Conference, Progress in Inorganic and Organometallic Chemistry 19-23 September 1997, Polanica Zdrój, Poland Abs. Book, P11 p.50 29. J. Ejfler, P. Sobota, L. Jerzykiewicz, Kompleksy tytanu z aminą tetrahydrofurfurylową jako potencjalne prekursory CVD, XLI Zjazd Naukowy PTChem i SiTPChem. Wrocław, 14-18 września 1998 Mat. Zjazd. M 3P, 48 30. J. Ejfler, P. Sobota, L. B. Jerzykiewicz, Titanium Alkylamine Complexes- Precursors For TiN, XXI th Polish-German Colloqium on Organometallic Chemistry Dadaj Poland, September 22-26, 1998 Abs Book P-9 31. J. Ejfler P. Sobota L. B. Jerzykiewicz, Synthesis Properties and Crystal Structure of [Mg4(thffo)6(Oti(Dipp)3)2], 14 th Summer School on Coordination Chemistry, Polanica Zdrój, Poland June 6-12, 1999 P-70 32. S. Szafert, J. Utko, J. Ejfler, L. B. Jerzykiewicz and P.Sobota, Elementary Steps of Ziegler-Natta Catalyst Intermadiates Formation. Incorporation of Magnesium Alkoxides with Ph3SiO (AlMe3 and MCl4(3), Ti, Zr, V), OCOP 2000 Organometallic Catalysts and Olefin Polymerisation New Millenium International Conference, Oslo, June 18-22, 2000, Norway, Book Abs. I, P-11 33. J. Ejfler, J. Utko, P. Sobota Incorporation of Magnesium Alkoxides with Ph3SiOH, AlMe3 and MCl4 (M=Ti,Zr), XXIInd Polish-German Colloquy on Organometallic Chemistry, Germany, Bad Frankenhausen, 24-27 September, 2000, P-3, p39 34. J. Ejfler, J. Utko, P. Sobota, Incorporation of Magnesium Alkoxides with Ph3SiOH, AlMe3 and MCl4 (M=Ti,Zr,) 3-nd International Conference, Progress in Inorganic and Organometallic Chemistry 17-22 September, 2000, Polanica Zdrój, Abs. P-15. 35. J. Ejfler, J. Utko, P. Sobota, Reactions of magnesium dicubanes with Ziegler-Natta catalyst components XIV th FECHEM Conference on Organometallics Chemistry, 2-7 September, 2001, Gdańsk, Poland, Book of Abs. P 116 36. P. Sobota, J. Utko, L. B. Jerzykiewicz, J. Ejfler, S. Szafert, Incorporation of Ziegler Natta catalyst components, Structures and reactivity of the intermediates, XIV th FECHEM Conference on Organometallics Chemistry 2-7 September, 2001, Gdańsk, Poland, Book of Abs O 20 37. P. Sobota, J. Utko, L. B. Jerzykiewicz, J. Ejfler, S. Szafert, Incorporation of Ziegler Natta catalyst components, Structures and reactivity of the intermediates, Euro Summer School 4 th International School on Molecular Catalysis, Poznań Dymaczewo, Poland, August 26-September 02, 2001, S 9, p. 37 38. L. B. Jerzykiewicz, J. Utko, J. Ejfler, K. Przybylak, P. Sobota, Syntheses and crystal structure of polynuclear alkoxo complexes, 20 th European Crystallographic Meeting ECM20 Crystallography in Natural Sciences and Technology August 25-31, 2001, Kraków, Poland, Book of Abst. S7, M1, P14, p. 272
39. J. Ejfler, M. Kobyłka, P. Sobota, L. B. Jerzykiewicz, Reaktywność tetramerycznych kompleksów magnezu względem składników katalizatorów Zieglera- Natty, XLV Zjazd Naukowy PTChem i SITPChem. Kraków 09-13 wrzesień 2002, Mat Zjazd, SO2, str 285 40. P. Sobota, J. Ejfler, M. Kobyłka, S. Przybylak. L. B. Jerzykiewicz, Syntheses and structural characterization of magnesium and titanium silixanes, VII th Regional Seminar of Ph.D student on Organomatallic and Coordination Chemistry, Bad Kosen, March 3 7, 2002, Germany, Programme, p. 39 41. J. Ejfler, M. Kobyłka, P. Sobota, Polymerization of propylene and phenylacetylene orchestrated by bis-aryloxo complexes, XXIII rd Poland Germany Colloquy on Organometallic Chemistry, Wierzba, Poland, April 2 6, 2003, Abs. P 21, p. 59 42. M. Kobyłka, J. Ejfler, L. B. Jerzykiewicz, P. Sobota, Olefin and alkeny polymerization catalysts based on bis-aryloxo titanium and zirconium derivatives, 8 th Seminar of Ph. D Students on Organometallic Chemistry, Hruba Skala. Czech Republic, September 29-October 03, 2003, Book of Abs. OP 28, p. 24 43. J. Ejfler, M. Kobyłka, P. Sobota, Titanium bis-phenolate complexes as excellent multicatalytic system, 15 th Summer School on Coordination Chemistry, Szklarska Poręba, Poland, June 6 12, 2004, P 46, p. 102 44. A. Lizurek, J. Utko, J. Ejfler, P. Sobota, Syntheses, structure and reactivity of magnesium and calcium compounds: initiators for the ringopening polymerization of lactides, IX th Regional Seminar of PhD-students on Organometallic and Organophosphorous Chemistry; Szklarska Poręba, Poland, April 10-14, 2005, Abs. OP-33, p. 51 45. J. Ejfler, M. Kobyłka, L. B. Jerzykiewicz, P. Sobota, Highly efficient magnesium initiators for lactide polymerization, 5 th International Scholl on Molecular Catalysis, Poznań-Rosnówko, Poland, August 12-16, 2005, Abs IB- P9, p.65 46. J. Ejfler, M. Kobyłka, L. B. Jerzykiewicz, P. Sobota, Highly efficient magnesium based initiators for lactide polymerization, World Polymer Congres 41 st International Symposium on Macromolecules, Macro 2006, Rio de Janerio, Brazil, July 16-21, Program 0-207, p.79 47. K. Krauzy, J. Ejfler, S. Szafert, P. Sobota, Titanium benzofuranoxide as initiator in ROP of cyclic ester and an effective catalyst for the addition of acetylene to aldehyde X th International Seminar of PhD Students on Organometallic and Coordination Chemistry, Medlov, Czech Republic, September 17-22, 2006, Abs. OP-6, p.25 48. K. Krauzy-Dziedzic, J. Ejfler, S. Szafert, P. Sobota, Titanium Benzofuranoxide Crystal Structure and Catalytic Properties, Poland-German Colloquy on Organometallic Chemistry Jastrzębia Góra, Poland, Marc 24-28, 2007, P-10. 49. J. Ejfler, L. B. Jerzykiewicz, P. Sobota, Highly Efficient Zinc Initiators for Lactide Polymerization, Poland-German Colloquy on Organometallic Chemistry Jastrzębia Góra, Poland, Marc 24-28, 2007, P-7. 50. K. Krauzy-Dziedzic, S. Szafert, J. Ejfler, P. Sobota, Metal Aryloxides and Aminoaryloxides as Initiatirs in ROP of Cyclic Esters and catalysts for C-C Coupling Reactions, V th International Congress of Young Chemists YoungChem 2007, Jurata 2007, Poland 51. K. Krauzy-Dziedzic, J. Ejfler, S. Szafert, P. Sobota, Metal Complexes with Aryloxo, Aminobisaryloxo and Aryloxoimine Ligands-Synthesis and Catalytic Activity, XI th International Seminar of PhD Students on Organometallic and Coordination Chemistry-ISPSOC 2008, Sayda, Germany
52. K. Krauzy-Dziedzic, J. Ejfler, S. Szafert, P. Sobota, Synthesis and catalytic Activity of Aryloxo, Amino-bis-aryloxo and Aryloxo-imine Metal Complexes, XXXVI th Poland-Germany Colloquy on Organometallic Chemistry, Bad Alexandersbad, Germany, 2008 53. J. Ejfler, S. Szafert, K. Mierzwicki, P. Sobota, Well-Defined Magnesium and Zinc Complexes as Excellent Initiators for ROP of Lactide, XXXVI th Poland-Germany Colloquy on Organometallic Chemistry, Bad Alexandersbad, Germany, 2008, OC 54. P. Sobota, K. Krauzy-Dziedzic, J. Ejfler, L. B. Jerzykiewicz, Structural and Mechanistic Studies of Titanium Complexes for the Polymerization of Lactide, MACRO 2008, 42 nd IUPAC World Polymer Congress, June 29-July 04, 2008, Taipei, 55. J. Ejfler, K. Mierzwicki, L. B. Jerzykiewicz, P. Sobota, Aminephenolate Zinc and Magnesium Complexes as Excellent Initiators for the ROP of Lactide, MACRO 2008, 42 nd IUPAC World Polymer Congress, June 29-July 04, 2008, Taipei, 56. J. Ejfler, S. Szafert, P. Sobota, Well Defined Aminephenolate Zinc and Magnesium Complexes as Excellent Inhitiators for the ROP of Lactides, EPF 09, European Polymer Congress, July 12-17, 2009, Graz, Austria, PC1-4 57. A. Grala, J. Ejfler, L. B. Jerzykiewicz, P. Sobota Magnesium compounds as initiators in lactide polymerization process, XII Regional Seminar of PhD. Students on Organometallic and Coordination Chemistry Szklarska 58. T. Han, J. Ejfler, P. Sobota Synthesis of drug- biodegradable polymers conjugates, XII Regional Seminar of PhD. Students on Organometallic and Coordination Chemistry Szklarska 59. R. Petrus, J. Ejfler, P. Sobota Synthesis of bioresorbable high molecular polymers for medical applications, XII th Regional Seminar of PhD. Students on Organometallic and Coordination Chemistry Szklarska