Research Group of Dr. Regina Buffon
Instituto de Química
Universidade Estadual de Campinas - Unicamp
Caixa Postal 6154 - Campinas, SP,
13084-971, Brazil
E-Mail: rbuffon@iqm.unicamp.br
Fax: +55 - 19 - 3521 30 23
Phone: +55 - 19 - 3521 30 90
Lab Phone: +55 - 19 - 3521 30 43
Research interests
I. Catalysis by Organometallic Systems
*Synthesis and
characterization of heterogenized organometallic and
related compounds using various approaches:
·
Surface Organometallic Chemistry
·
The Sol-gel method
· Coordination on functionalized inorganic oxides
*Applications to:
·
Olefin metathesis
·
Hydroformylation/carbonylation of unsaturated substrates
·
Olefin epoxidation
· C-C bond formation
II. Spectroscopic Characterization of Tin-modified Heterogeneous Metathesis Catalysts
III. Olefin Metathesis over Metal Oxide Catalysts
IV. Biphasic Systems for Catalyst Separation
Graduate Students
Vanderlei Inácio de Paula (vipaula@iqm.unicamp.br)
Roberto Bineli Muterle (bineli@iqm.unicamp.br)
Undergraduate Students
Victor
Camargo Stork Santana (victor.stork@hotmail.com)
Former Students/Post-Docs
Marcelo
J. Della Mura Jannini, MSc.
1998
José Daniel Ribeiro de Campos, MSc. 1999, DSc. 2003 (Lecturer, UnUCET – UEG, daniel.campos@ueg.br)
Silvana I. Wolke, DSc. 2000
(Lecturer, UFRGS – silvana.wolke@ufrgs.br)
Sergio Teixeira, MSc. 2001
Eduardo dos Santos Tada, MSc.
2003
Vanderlei Inácio de Paula, MSc. 2004
Cíntia Akemi Sato, MSc. 2007
José Ari Milton Cavalcante, MSc. 2007
Sandra Cecília Bannwart (scbannwart@iqm.unicamp.br)
Suryyia Manzoor, DSc. 2013 (aroma_zs@yahoo.com)
Isaias Barbosa Aragão (aragao.isaias@gmail.com)
Dr.
Ricardo Gomes da Rosa, Post-Doc (Lecturer,
UFRGS - rgomes@iq.ufrgs.br )
Dr. Kai Dallmann, Post-Doc
(Sasol GmbH - kai_dallmann@hotmail.com
)
Dr. Cristiane Barbieri Rodella
(LNLS – cristiane@lnls.br)
Renan
Zorzatto de Morais (renanzorzatto@gmail.com
Carolina Gallupo, MSc. 2017 (carolina.galuppo@gmail.com)
Maria das Graças de Oliveira e Silva, Dsc. 2018 (mgo_silva@yahoo.com.br)
Cooperations
Prof. Ulf Schuchardt
(Unicamp - ulf@iqm.unicamp.br )
Dr. Daniela Zanchet (Unicamp – daniela@iqm.unicamp.br)
Dr. Anuar Abras (UFMG - aabras@fisica.ufmg.b
r)
Prof. Watson Loh (Unicamp - wloh@iqm.unicamp.br
)
Dr. Regina Mara Silva Pereira (Lecturer, UNIBAN - rpereira02@hotmail.com
)
Recent Publications
1. The Effect of Water on the Rhodium Catalyzed Carbonylation of Isopropylallylamine, R. G. da Rosa, J.D.R. de Campos and R. Buffon, J. Mol. Catal. A: Chemical, 153, 2000, 19-24;
2. On the Interaction of Schrock Mo-Alkylidene Complexes with the Surface of Inorganic Oxides, S.I. Wolke and R. Buffon, J. Mol. Catal. A: Chemical, 160, 2000, 181-187;
3. Sol-gel Derived Hybrid Materials as Heterogeneous Catalysts for the Epoxidation of Olefins, K. Dallmann and R. Buffon, Catal. Commun., 1, 2000, 09-13;
4. Surface Organometallic Chemistry of Vanadium(V): Reactivity of (t-BuN=)VNp3 Towards Silica, S.I. Wolke, R. Buffon and U.P. Rodrigues Filho, J. Organomet. Chem., 625, 2001, 101-107;
5. Hydrogenation and Isomerization of 1-Hexene with Ru3(CO)12 and Ru3(CO)9(PPh3)3 , K. Dallmann and R. Buffon, J. Mol. Catal. A: Chemical, 172, 2001, 81-87;
6. Catalyst Recycling in the Epoxidation of Alkenes Catalyzed by MoO2(acac)2 through Precipitation with Poly(ethylene oxide), K. Dallmann, R. Buffon and W. Loh, J. Mol.Catal. A: Chemical, 178, 2002, 43-46;
7. Molybdenum-based Epoxidation Catalysts Heterogenized in Silica Matrixes via the Sol-Gel Method, S. Teixeira, K. Dallmann, U. Schuchardt and R. Buffon, J. Mol.Catal. A: Chemical, 182-183, 2002, 167-173;
8. Hydrogenation and Isomerization of 1-Hexene with Ru3(CO)9(PPh2CH2CH 2Si(OMe)3)3 Immobilized in Silica Matrices via the Sol-Gel Method, K. Dallmann and R. Buffon, J. Mol. Catal. A: Chemical, 185, 2002, 187-194;
9. Germanium and Silicon Compounds as Promoters for Re2O7/SiO2-Al2O3 Metathesis Catalysts, R. Buffon, I.J. Marochio, C.B. Rodella and J.C. Mol, J. Mol. Catal. A: Chemical, 190, 2002, 171-176;
10. Entrapment of Rhodium Complexes in Inorganic or Hybrid Matrices via the Sol-Gel Method, J.D.R. de Campos and R. Buffon, New J. Chem., 27, 2003, 446-451.
11. New Iridium(I) Complexes with Labile Ligands: Reactivity and Structural Characterization by Atmospheric Pressure Mass and Tandem Mass (APCI-MS/MS) Spectrometry, R.M.S. Pereira, V.I. Paula, R. Buffon, D.M. Tomazela and M.N. Eberlin, Inorg. Chim. Acta, 357, 2004, 2100-2106.
12. Characterization and Catalytic Performance of Rhenium Oxide-based Catalysts Supported on Borated Silica-Alumina, C.B. Rodella and R. Buffon, Appl. Catal. A: General, 263, 2004, 203-211.
13. Encapsulation of Vanadium Complexes in Inorganic or Hybrid Matrices via the Sol-Gel Method: Application to the Epoxidation of Allylic Alcohols, R.B. Pellegrino and R. Buffon, J. Braz. Chem. Soc., 15, 2004, 527-531.
14. Metathesis of Methyl Oleate over Rhenium Oxide-based Catalysts Supported on Borated Silica-Alumina: Catalyst Recycling, C.B. Rodella, J.A.M. Cavalcante and R. Buffon, Appl. Catal. A: General, 274, 2004, 213-217.
15. Olefin Hydroformylation by Sol-Gel Entrapped Rhodium Catalysts Bearing Hydrolysable Ligands, J.D.R de Campos and R. Buffon, J. Braz. Chem. Soc.,16, 2005, 17-23.
16. Palladium Catalyzed Carbonylative Cyclization of Baylis Hillman Adducts. An Efficient Approach for the Stereoselective Synthesis of 3-alkenylphtalides. F. Coelho, D. Veronese, C. Pavam, V.I.de Paula and R. Buffon, Tetrahedron, 62 (18), 2006, 4563-4572.
17. Synthesis of a bis(diketiminate)bromosamarium(III) Complex and its Activity in the Polymerization of Methyl Methacrylate, R.B. Muterle, F. Fabri, R. Buffon, W. de Oliveira and U. Schuchardt, Appl. Catal. A: General 317(2), 2007, 149-153.
18. Reduced Anatase on Silica as a Support for a Ziegler Catalyst. J. L. de Souza, F. Fabri, R. Buffon and U. Schuchardt, Appl. Catal. A: General,323,2007, 234-241.
19. Pd complexes based on phosphine-linked cyclophosphazenes: synthesis, characterization and application in Suzuki coupling reactions. V.I. de Paula, C.A. Sato and R. Buffon, J. Braz. Chem. Soc.23, 2012, 258-266.
20. Reativação in situ de um catalisador industrial de hidroformilação de olefinas (Rh/TPP), S.C. Bannwart e R. Buffon, Petro & Química 342, 2012, 46-49.
21. Molecularly imprinted solid phase extraction of fluconazole from pharmaceutical formulations. S. Manzoor, R. Buffon and A.V. Rossi, Talanta 134, 2015, 1-7.
22. A New Synthetic Route to Molecularly Imprinted Ormosil: Characterization and Evaluation. S. Manzoor, A. V. Rossi and R. Buffon, Sep. Sci. Technol., 53, 2018, 877-886. doi.org/10.1080/01496395.2017.1407341
23. Synthesis
and characterization of a palladium(0) complex with
cyclophosphazene bearing two diphenylphosphine ligands and application
in Suzuki-Miyaura cross-coupling.
M. G. de O. e Silva, C. Galuppo, B. C. Tudisco, A. G. de Oliveira Júnior, M. V. F. Barrionuevo, C. Abbehausen, R. Buffon. Inorg
Chim. Acta., 482, 2018, 259-267.
Review Articles
1. Metathesis in Oleochemistry, J.C. Mol and R. Buffon, J. Braz. Chem. Soc., 9, 1998, 01-11;
2. Química Organometálica de Superfície Aplicada à Preparação de Catalisadores Heterogêneos Bem Definidos, S.I. Wolke and R. Buffon, Química Nova, 25, 2002, 985-994;
3. Heterogenization of Alkene Epoxidation Catalysts, R. Buffon and U. Schuchardt, J. Braz. Chem. Soc., 14, 2003, 347-353.
Book
Chapters
1. Surface Organometallic Chermistry of d(0) Metal Complexes, R Buffon and R. Rinaldi, in Modern Surface Organometallic Chemistry, J.-M. Basset, R. Psaro, D. Roberto, R. Ugo (Eds.) Wiley-VCH, Germany, 2009. pp 417-453. ISBN 9783527319725
2. Catálise por Compostos de Coordenação, R. Buffon, in Química de Coordenação: Fundamentos e Atualidades, R. F. de Farias (Organizador) Editora Átomo, Campinas – SP, 2009. pp. 353-392.
3. A.V. Rossi, N.H. Morgon e R. Buffon, Reformulações dos Cursos de Química da Unicamp, em “Formação Superior em Química no Brasil: Prática e Fundamentos Curriculares”, A.R. Echeverria e L.B. Zanon (Org.), Editora Unijuí, Ijuí – RS, 2010. Cap. 7, pp 161-178. ISBN 9788574298
4. R. Buffon, Catalysis by Transition Metal Complexes Immobilized in Inorganic or Hybrid Matrices by the Sol-Gel Method, in “Hybrid Materials, Composites, and Organocatalysts, S. Suib (Ed.) Elsevier, Amsterdam, 2013, chapter 6, pp 123-142. doi: 10.1016/B978-0-444-53876-5.00006-4
Other publications
1. Surface
Organometallic Chemistry of Rhenium: Attempts to Characterize a Surface Carbene in Metathesis of Olefins: CH3ReO3/Nb2O5. R. Buffon, A. Choplin, M. Leconte, J.-M. Basset , R. Touroude and W. A.
Herrmann, J. Mol. Catal., 72,
1992, L7-L10;
2. A Surface Organometallic Approach to the Synthesis of Rhenium Based Catalysts for the Metathesis of Olefins: CH3ReO3/Nb2O5 . R. Buffon, A. Auroux, F. Lefebvre, M. Leconte, A. Choplin, J.-M. Basset and W. A. Herrmann, J. Mol. Catal., 76, 1992, 287-295;
3. Reaction of Tungsten(VI) Alkylidyne Complexes with Inorganic Oxides: Involvement of the Resulting Alkylidene Ligand in Olefin Metathesis. R. Buffon, M. Leconte, A. Choplin and J.-M. Basset, J. Chem. Soc., Chem. Commun., 1993, 361-362;
4. Molecular Heterogeneous Metathesis Catalysts: an Attempted Synthesis of Surface-anchored Alkylidenetungsten Complexes. R. Buffon, M. Leconte, A. Choplin and J.-M. Basset, J. Chem. Soc., Dalton Trans., 1994, 1723-1729;
5. Synergistic Effect of Iron and Copper Oxides Supported on Silica in the Room Temperature Oxidation of Cyclohexane. U. Schuchardt, R. Pereira, C.E.Z. Krahembühl, M. Rufo and R. Buffon, Appl. Catal., 131, 1995, 135-141;
6. Mössbauer and Solid-State NMR Spectroscopic Studies of Tin-modified Rhenium-based Metathesis Catalysts, R. Buffon, U. Schuchardt and A. Abras, J. Chem. Soc., Faraday Trans, 1995, 3511-3517;
7. Ethenolysis of Esters of Vegetable Oils: Effects of B2O3 Addition to Re2O7/SiO2-Al2O3/SnBu4 and CH3ReO3/SiO2-Al2O3 Metathesis Catalysts, D. Mandelli, M.J.D.M. Jannini, R. Buffon and U. Schuchardt, J. Am. Oil Chem. Soc., 73, 1996, 229-232;
8. Direct Oxidation of Benzene to Phenol, with Molecular Oxygen, Catalysed by Palladium in the Presence of Heteropolyacids, U. Schuchardt, L. C. Passoni, R. Buffon and A. T. Cruz, J. Mol. Catal. A: Chemical, 120, 1997, 117-123;
9. Effects
of the Addition of Nb2O5 to
Rhenium-based Olefin Metathesis Catalysts, R. Buffon, M.J.D.M. Jannini and A. Abras, J. Mol.
Catal. A: Chemical, 115, 1997,
173-181;
10. Heterogenization of H6PMo9V3O40 and Palladium Acetate in VPI-5
and MCM-41 and their Use in the Catalytic Oxidation of Benzene to Phenol, L. C.
Passoni, F. J. Luna, M. Wallau,
R. Buffon and U. Schuchardt, J. Mol. Catal. A: Chemical, 134, 1998,
229-235.
11. Epoxidation of Cyclohexene on Heterogenized Molybdenum Compounds, E.F.M. Barradas, A.R. Cestari, C. Airoldi and R. Buffon, Braz. J. Chem. Eng., 15, 1998, 146-150;
12. Metathesis of Terminal Olefins over Tin-modified Silica-alumina, M.J.D.M. Jannini, R. Buffon, A.M. de Wit and J.C. Mol, J. Mol. Catal. A: Chemical, 133, 1998, 201-203;
13. Effects of Chelating Diphosphines on the Rhodium Catalysed Carbonylation of Allylamines, R.G. da Rosa, J.D.R. de Campos and R. Buffon, J. Mol. Catal. A: Chemical, 137, 1999, 297-301;
14. Olefin Metathesis over Tin-modified Non-transition Metal Oxides, R. Buffon, M. J. D. M. Jannini, J.C. Mol, A.M. de Wit, A. Abras and F.J.A. Kellendonk, J. Mol. Catal. A: Chemical, 149, 1999, 275-282.
Last update 26/September/2018.