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Ulf Ragnarsson

https://www.etis.ee/CV/Ulf_Ragnarsson/est
9.08.1934
+46 18 4714555
u.ragnarsson.018301116@telia.com

Teenistuskäik

Töökohad ja ametid
2007–...   
Tartu Ülikool, Consultant (0,20)
01.01.1999–...   
Uppsala Ülikool, Uppsala, Rootsi, emeriitprofessor
01.01.1976–31.12.1999   
Uppsala Ülikool, Uppsala, Rootsi, dotsent
01.01.1969–31.12.1970   
Rockefelleri Ülikool, New York, USA, külalisteadur
01.01.1968–31.12.1976   
Uppsala Ülikool, Uppsala, Rootsi, teadur
01.01.1966–31.12.1968   
Exeter University, Exeter, U.K., Teadur
01.01.1964–31.12.1966   
Technical University Munich, Munich, Germany, Järeldoktor
01.01.1958–31.12.1959   
Kooli keemiaõpetaja
 
 
Haridustee
1961–1964   
Stockholm University, Stockholm, Sweden, Fil. lic. (Chemistry)
1959–1960   
Lärarhögskolan, Stockholm, Rootsi
1953–1958   
Lundi Ülikool, Lund, Rootsi, Fil. mag. (Mathematics and Chemistry)
 
 
Teadusorganisatsiooniline ja -administratiivne tegevus
1964−...   
Rootsi Keemiaseltsi, Saksa Keemiaseltsi, Kuningliku Keemiaseltsi (UK) ja Ameerika Keemiaseltsi liige
1990−1994   
Rootsi esindaja, European Peptide Society Council
1984−1984   
Editor, Peptides 1984, Proc. 18th European Peptide Symposium, Djurönäset, Sweden, June 10-15, 1984
1982−1984   
Chairman, European Peptide Committee
1979−1982   
Esimees, Uppsala Keemia Selts
1978−1990   
NatiRootsi esindaja, European Peptide Committee
 
 
Lisainfo
Consultant, Ferring Pharmaceuticals, Malmö, Sweden 1980-1987

Kvalifikatsioon

Teaduskraadid
Ulf Ragnarsson, doktorikraad, 1974, (juh) -, Some contributions to the methodology of solid phase peptide synthesis (Some contributions to the methodology of solid phase peptide synthesis), Uppsala Ülikool.
 
 
Teaduspreemiad ja tunnustused
2000, Ulf Ragnarsson, Tartu Ülikooli audoktor
1990, Ulf Ragnarsson, Honorary Doctor of Gdansk University
 
 
Teadustöö põhisuunad
ETIS KLASSIFIKAATOR: 4. Loodusteadused ja tehnika; 4.11. Keemia ja keemiatehnika; TÄPSUSTUS: Peptiidsüntees, lämmastiku ühendite keemia
 
 
Lisainfo
Synthesis of amino acids, amines, hydrazines and polyamines; isotope labelling
Over 200 publications in scientific journals (for details: see Science Citation Index)

Juhendatud väitekirjad

Publikatsioonid

Klass
Aasta
Publikatsioon
 
1.1.
2007
Ragnarsson, U. (2007). The Nobel trail of Vincent du Vigneaud. Journal of Peptide Science, 13 (7), 431−433.
1.1.
2005
Budesinsky, M.; Ragnarsson, U.; Lankiewicz, L..; Grehn, J.; Slaninova, J.; Hlavacek, J. (2005). Synthesis and utilization of 13C and 15N backbone-labeled proline: NMR study of synthesized oxytocin with backbone-labeled C-terminal tripeptide amide. Amino Acids, 29 (2), 151−160.
1.1.
2005
Ragnarsson, U.; Grehn, L.; Koppel, J.; Loog, O.; Tsubrik, O.; Bredikhin, A.; Maeorg, U.; Koppel, I. (2005). Acidity of di- and triprotected hydrazine derivatives in dimethyl sulfoxide and aspects of their alkylation. Journal of Organic Chemistry, 70 (15), 5916−5921.
1.1.
2004
Tsubrik, O.; Maeorg, U.; Sillard, R.; Ragnarsson, U. (2004). Arylation of diversely substituted hydrazines by tri- and pentavalent organobismuth reagents. Tetrahedron, 60 (38), 8363−8373.
1.1.
2003
Ragnarsson, U.; Grehn, L.; Monteiro, L.; Maia, L. (2003). Mild two-step conversion of primary amides to alcohols by reduction of acylimidodicarbonates with sodium borohydride. Synlett, 15, 2386−2388.
1.1.
2002
Ragnarsson, U.; Grehn, L.; Maia, H.; Monteiro, L. (2002). Reductive cleavage of N-substituted aromatic amides as tert-butyl acylcarbamates. Journal of the Chemical Society-Perkin Transactions 1, 1 (18), 97−101.
1.1.
2002
Grehn, L.; Ragnarsson, U. (2002). Reagent for synthesis of secondary amines by two consecutive N-alkylations and its application to orthogonally protected spermidine. Journal of Organic Chemistry, 67 (18), 6557−6559.
1.1.
2002
Tsubrik, O.; Maeorg, U.; Ragnarsson, U. (2002). Highly selective arylation of disubstituted hydrazines by pentavalent organobismuth reagents. Tetrahedron Letters, 43 (35), 6213−6215.
1.1.
2001
Ragnarsson, U.; Grehn, L.; Maia, H.L.S.; Monteiro, L.S. (2001). Enhancing reductive cleavage of aromatic carboxamides. Organic Letters, 3 (13), 2021−2023.
1.1.
2001
Hlavacek, J.; Ragnarsson, U. (2001). Solid phase synthesis of partially protected tocinoic acid. Optimization with respect to resin and protecting groups. Journal of Peptide Science, 7 (7), 349−357.
1.1.
2001
Ragnarsson, U. (2001). Synthetic methodology for alkylsubstituted hydrazines. Chemical Society Reviews, 30 (4), 205−213.
1.1.
2000
Ragnarsson, U.; Grehn, L.; Maia, H.L.S.; Monteiro, L.S. (2000). Cyclic voltammetry studies on substituted arenesulfonhydrazides. Journal of Chemical Research-S, 1, 6−7.
1.1.
2000
Loog, O.; Maeorg, U.; Ragnarsson, U. (2000). Synthesis of hydrazines with aromatic substituents using triarylbismuth reagents. Synthesis, 11, 1591−1597.
1.1.
1999
Nyasse, B.; Grehn, L.; Maia, H.L.S.; Monteiro, L.S.; Ragnarsson, U. (1999). 2-Naphthalenesulfonyl as a tosyl substitute for protection of amino functions. Cyclic voltammetry studies on model sulfonamides and their preparative cleavage by reduction. Journal of Organic Chemistry, 64, 7135−7139.
1.1.
1998
Ragnarsson, U.; Grehn, L. (1998). Novel amine chemistry based on DMAP-catalyzed acylation. Accounts of Chemical Research, 31, 494−501.
1.1.
1997
Grehn, L.; Lönn, H.; Ragnarsson, U. (1997). Stepwise synthesis of tetrasubstituted hydrazines. Chemical Communications, 1381−1382.
1.1.
1997
Nyasse, B.; Grehn, L.; Ragnarsson, U. (1997). Mild, efficient cleavage of arenesulfonamides by reduction with magnesium. Chemical Communications, 1017−1018.
1.1.
1997
Rudolph-Böhner, S.; Quarzago, D.; Czisch, M.; Ragnarsson, U; Moroder, L. (1997). Conformational preferences of Leu-enkephalin in reverse micelles as membrane-mimicking environment. Biopolymers, 41, 591−606.
1.1.
1996
Elemes, Y.; Ragnarsson, U. (1996). Synthesis and spectroscopic characterization of derivatives of proteinogenic amino acids, simultaneously labelled with 13C, 15N and 2H in the backbone. Chemical Communications, 8, 935−936.
1.1.
1996
Elemes, Y.; Ragnarsson, U. (1996). Synthesis of enantiopure a-deuteriated Boc-L-amino acids. Journal of the Chemical Society-Perkin Transactions 1, 537−540.
1.1.
1994
Ding, L.; Grehn, L.; de Clercq, E.; Andrei, G.; Snoeck, R.; Balzarini, J.; Fransson, B.; Ragnarsson, U. (1994). Synthesis and antiviral activity of three pyrazole analogues of distamycin A. Acta Chemica Scandinavica, 48, 498−505.
1.1.
1994
Lankiewicz, L.; Nyasse, B.; Fransson, B.; Grehn, L.; Ragnarsson, U. (1994). Synthesis of amino acid derivatives substituted in the backbone with stable isotopes for application in peptide synthesis. Journal of the Chemical Society-Perkin Transactions 1, 17, 2503−2510.
1.2.
1994
Nyasse, B.; Grehn, L.; Ragnarsson, U. (1994). First synthesis of a fully [15N,13C]backbone-labelled peptide. 15N NMR spectrum of corresponding Leu-enkephalin. Chemical Communications, 2005−2006.
1.1.
1993
Grehn, L.; Pehk, T.; Ragnarsson, U. (1993). Synthesis and spectroscopic properties of 13C- and 15N-labelled tert-butoxycarbonylglycine. Acta Chemica Scandinavica Series B-Organic Chemistry and Biochemistry, 47 (11), 1107−1111.
1.1.
1993
Degerbeck, F.; Grehn, L.; Ragnarsson, U. (1993). Synthesis, properties and use of nitridotricarbonic acid tri-tert-butyl ester. Acta Chemica Scandinavica Series B-Organic Chemistry and Biochemistry, 47 (9), 896−898.
1.1.
1993
Maia, H.L.S.; Monteiro, L.S.; Degerbeck, F.; Grehn, L.; Ragnarsson, U. (1993). Selective cathodic cleavage of unsymmetrical imidodicarbonates, acylcarbamates and diacylamides. Journal of the Chemical Society-Perkin Transactions 2, 3, 495−500.
1.1.
1993
Degerbeck, F.; Fransson, B.; Grehn, L.; Ragnarsson, U. (1993). Synthesis of 15N-labelled chiral Boc-amino acids from triflates. Enantiomers of leucine and phenylalanine. Journal of the Chemical Society-Perkin Transactions 1, 1, 11−14.
1.1.
1992
Degerbeck, F.; Fransson, B.; Grehn, L.; Ragnarsson, U. (1992). Direct synthesis of N-protected chiral amino acids from imidodicarbonates employing either Mitsunobu or triflate alkylation. Feasibility study using lactate with particular reference to 15N-labelling. Journal of the Chemical Society-Perkin Transactions 1, 2, 245−253.
1.1.
1991
Ragnarsson, U.; Grehn, L. (1991). Novel Gabriel reagents. Accounts of Chemical Research, 24 (10), 285−289.
1.1.
1990
Gunnarsson, K.; Ragnarsson, U. (1990). Preparation and properties of Nα-di-tert-butoxycarbonyl amino acids. Applicability in the synthesis of Leu-enkephalin. Acta Chemica Scandinavica, 44 (9), 944−951.
1.1.
1988
Gunnarsson, K.; Grehn, L.; Ragnarsson, U. (1988). Synthesis and properties of Nα-di-tert-butoxycarbonyl- and Nα-benzyloxycarbonyl-tert-butoxycarbonyl amino acids. Angewandte Chemie International Edition, 27 (3), 400−401.
1.1.
1988
Almeida, M.L.S.; Grehn, L.; Ragnarsson, U. (1988). Selective protection of polyamines. Synthesis of model compounds and spermidine derivatives. Journal of the Chemical Society-Perkin Transactions 1, 7, 1905−1911.
1.1.
1987
Grehn, L.; Ragnarsson, U. (1987). A convenient one-flask preparation of di-t-butyl iminodicarbonate, a versatile Gabriel reagent. Synthesis, 3, 275−276.
1.1.
1987
Grehn, L.; Fransson, B.; Ragnarsson, U. (1987). Synthesis of substrates of cyclic AMP-dependent protein kinase and use of their protected precursors for convenient preparation of phosphopeptides. Journal of the Chemical Society-Perkin Transactions 1, 3, 529−535.
1.1.
1986
Grehn, L.; Gunnarsson, K.; Ragnarsson, U. (1986). A simple method for tert-butoxycarbonylation of amides. Acta Chemica Scandinavica Series B-Organic Chemistry and Biochemistry, 40 (9), 745−750.
1.1.
1985
Grehn, L.; Ragnarsson, U. (1985). Exhaustive tert-butoxycarbonylation of peptide nitrogens. Angewandte Chemie International Edition, 24 (6), 510−511.
1.1.
1984
Grehn, L.; Ragnarsson, U. (1984). A convenient method for the preparation of 1-(tert-butyloxycarbonyl)pyrroles. Angewandte Chemie International Edition, 23 (4), 296−297.
1.1.
1982
Zetterqvist, Ö.; Ragnarsson, U. (1982). The structural requirements of substrates of cyclic AMP-dependent protein kinase. FEBS Letters, 139 (2), 287−290.
1.1.
1981
Grehn, L.; Ragnarsson, U. (1981). Novel efficient total synthesis of antiviral antibiotic distamycin A. Journal of Organic Chemistry, 46 (17), 3492−3497.
1.1.
1980
Hider, R.C.; Ragnarsson, U. (1980). A proposal for the structure of apamin. FEBS Letters, 111 (1), 189−193.
1.1.
1976
Zetterqvist, Ö.; Ragnarsson, U.; Humble, E.; Berglund, L.; Engström, L. (1976). The minimum substrate of cyclic AMP-stimulated protein kinase, as studied by synthetic peptides representing the phosphorylatable site of pyruvate kinase (type L) of rat liver. Biochemical and Biophysical Research Communications, 70 (3), 696−703.
16.07.2021

Ulf Ragnarsson

https://www.etis.ee/CV/Ulf_Ragnarsson/eng
9.08.1934
+46 18 4714555
u.ragnarsson.018301116@telia.com
Office E-mail at the Biomedical Center in Uppsala: Ulf.Ragnarsson@biorg.uu.se

Career

Institutions and positions
2007–...   
University of Tartu, Consultant (0,20)
01.01.1999–...   
Uppsala University, Uppsala, Sweden, Professor Emeritus
01.01.1976–31.12.1999   
Uppsala University, Uppsala, Sweden, Assistant professor
01.01.1969–31.12.1970   
Rockefeller University, New York, USA, visiting scientist
01.01.1968–31.12.1976   
Uppsala University, Uppsala, Sweden, Research Assistant
01.01.1966–31.12.1968   
Exeter University, Exeter, U.K., Research Assistant
01.01.1964–31.12.1966   
Technical University Munich, Munich, Germany, Post-doc
01.01.1958–31.12.1959   
School teacher
 
 
Education
1961–1964   
Stockholm University, Stockholm, Sweden, Fil. lic. (Chemistry)
1959–1960   
Lärarhögskolan, Stockholm, Sweden
1953–1958   
Lund University, Lund, Sweden, Fil. mag. (Mathematics and Chemistry)
 
 
R&D related managerial and administrative work
1964−...   
Svenska Kemistsamfundet, Gesellschaft Deutscher Chemiker, Royal Society of Chemistry, American Chemical Society - member
1990−1994   
National representative, European Peptide Society Council
1984−1984   
Editor, Peptides 1984, Proc. 18th European Peptide Symposium, Djurönäset, Sweden, June 10-15, 1984
1982−1984   
Chairman, European Peptide Committee
1979−1982   
Chairman, Chemical Society of Uppsala
1978−1990   
National repreesentative, European Peptide Committee
 
 
Additional information
Consultant, Ferring Pharmaceuticals, Malmö, Sweden 1980-1987

Qualifications

Academic degrees
Ulf Ragnarsson, Doctor's Degree, 1974, (sup) -, Some contributions to the methodology of solid phase peptide synthesis, Uppsala University.
 
 
Honours & awards
2000, Ulf Ragnarsson, Honorary Doctor of Tartu University
1990, Ulf Ragnarsson, Honorary Doctor of Gdansk University
 
 
Fields of research
ETIS CLASSIFICATION: 4. Natural Sciences and Engineering; 4.11. Chemistry and Chemical Technology; SPECIFICATION: Peptide synthesis, chemistry of organonitrogen compounds
 
 
Additional information
Synthesis of amino acids, amines, hydrazines and polyamines; isotope labelling
Over 200 publications in scientific journals (for details: see Science Citation Index)

Supervised dissertations

Publications

Category
Year
Publication
 
1.1.
2007
Ragnarsson, U. (2007). The Nobel trail of Vincent du Vigneaud. Journal of Peptide Science, 13 (7), 431−433.
1.1.
2005
Budesinsky, M.; Ragnarsson, U.; Lankiewicz, L..; Grehn, J.; Slaninova, J.; Hlavacek, J. (2005). Synthesis and utilization of 13C and 15N backbone-labeled proline: NMR study of synthesized oxytocin with backbone-labeled C-terminal tripeptide amide. Amino Acids, 29 (2), 151−160.
1.1.
2005
Ragnarsson, U.; Grehn, L.; Koppel, J.; Loog, O.; Tsubrik, O.; Bredikhin, A.; Maeorg, U.; Koppel, I. (2005). Acidity of di- and triprotected hydrazine derivatives in dimethyl sulfoxide and aspects of their alkylation. Journal of Organic Chemistry, 70 (15), 5916−5921.
1.1.
2004
Tsubrik, O.; Maeorg, U.; Sillard, R.; Ragnarsson, U. (2004). Arylation of diversely substituted hydrazines by tri- and pentavalent organobismuth reagents. Tetrahedron, 60 (38), 8363−8373.
1.1.
2003
Ragnarsson, U.; Grehn, L.; Monteiro, L.; Maia, L. (2003). Mild two-step conversion of primary amides to alcohols by reduction of acylimidodicarbonates with sodium borohydride. Synlett, 15, 2386−2388.
1.1.
2002
Ragnarsson, U.; Grehn, L.; Maia, H.; Monteiro, L. (2002). Reductive cleavage of N-substituted aromatic amides as tert-butyl acylcarbamates. Journal of the Chemical Society-Perkin Transactions 1, 1 (18), 97−101.
1.1.
2002
Grehn, L.; Ragnarsson, U. (2002). Reagent for synthesis of secondary amines by two consecutive N-alkylations and its application to orthogonally protected spermidine. Journal of Organic Chemistry, 67 (18), 6557−6559.
1.1.
2002
Tsubrik, O.; Maeorg, U.; Ragnarsson, U. (2002). Highly selective arylation of disubstituted hydrazines by pentavalent organobismuth reagents. Tetrahedron Letters, 43 (35), 6213−6215.
1.1.
2001
Ragnarsson, U.; Grehn, L.; Maia, H.L.S.; Monteiro, L.S. (2001). Enhancing reductive cleavage of aromatic carboxamides. Organic Letters, 3 (13), 2021−2023.
1.1.
2001
Hlavacek, J.; Ragnarsson, U. (2001). Solid phase synthesis of partially protected tocinoic acid. Optimization with respect to resin and protecting groups. Journal of Peptide Science, 7 (7), 349−357.
1.1.
2001
Ragnarsson, U. (2001). Synthetic methodology for alkylsubstituted hydrazines. Chemical Society Reviews, 30 (4), 205−213.
1.1.
2000
Ragnarsson, U.; Grehn, L.; Maia, H.L.S.; Monteiro, L.S. (2000). Cyclic voltammetry studies on substituted arenesulfonhydrazides. Journal of Chemical Research-S, 1, 6−7.
1.1.
2000
Loog, O.; Maeorg, U.; Ragnarsson, U. (2000). Synthesis of hydrazines with aromatic substituents using triarylbismuth reagents. Synthesis, 11, 1591−1597.
1.1.
1999
Nyasse, B.; Grehn, L.; Maia, H.L.S.; Monteiro, L.S.; Ragnarsson, U. (1999). 2-Naphthalenesulfonyl as a tosyl substitute for protection of amino functions. Cyclic voltammetry studies on model sulfonamides and their preparative cleavage by reduction. Journal of Organic Chemistry, 64, 7135−7139.
1.1.
1998
Ragnarsson, U.; Grehn, L. (1998). Novel amine chemistry based on DMAP-catalyzed acylation. Accounts of Chemical Research, 31, 494−501.
1.1.
1997
Grehn, L.; Lönn, H.; Ragnarsson, U. (1997). Stepwise synthesis of tetrasubstituted hydrazines. Chemical Communications, 1381−1382.
1.1.
1997
Nyasse, B.; Grehn, L.; Ragnarsson, U. (1997). Mild, efficient cleavage of arenesulfonamides by reduction with magnesium. Chemical Communications, 1017−1018.
1.1.
1997
Rudolph-Böhner, S.; Quarzago, D.; Czisch, M.; Ragnarsson, U; Moroder, L. (1997). Conformational preferences of Leu-enkephalin in reverse micelles as membrane-mimicking environment. Biopolymers, 41, 591−606.
1.1.
1996
Elemes, Y.; Ragnarsson, U. (1996). Synthesis and spectroscopic characterization of derivatives of proteinogenic amino acids, simultaneously labelled with 13C, 15N and 2H in the backbone. Chemical Communications, 8, 935−936.
1.1.
1996
Elemes, Y.; Ragnarsson, U. (1996). Synthesis of enantiopure a-deuteriated Boc-L-amino acids. Journal of the Chemical Society-Perkin Transactions 1, 537−540.
1.1.
1994
Ding, L.; Grehn, L.; de Clercq, E.; Andrei, G.; Snoeck, R.; Balzarini, J.; Fransson, B.; Ragnarsson, U. (1994). Synthesis and antiviral activity of three pyrazole analogues of distamycin A. Acta Chemica Scandinavica, 48, 498−505.
1.1.
1994
Lankiewicz, L.; Nyasse, B.; Fransson, B.; Grehn, L.; Ragnarsson, U. (1994). Synthesis of amino acid derivatives substituted in the backbone with stable isotopes for application in peptide synthesis. Journal of the Chemical Society-Perkin Transactions 1, 17, 2503−2510.
1.2.
1994
Nyasse, B.; Grehn, L.; Ragnarsson, U. (1994). First synthesis of a fully [15N,13C]backbone-labelled peptide. 15N NMR spectrum of corresponding Leu-enkephalin. Chemical Communications, 2005−2006.
1.1.
1993
Grehn, L.; Pehk, T.; Ragnarsson, U. (1993). Synthesis and spectroscopic properties of 13C- and 15N-labelled tert-butoxycarbonylglycine. Acta Chemica Scandinavica Series B-Organic Chemistry and Biochemistry, 47 (11), 1107−1111.
1.1.
1993
Degerbeck, F.; Grehn, L.; Ragnarsson, U. (1993). Synthesis, properties and use of nitridotricarbonic acid tri-tert-butyl ester. Acta Chemica Scandinavica Series B-Organic Chemistry and Biochemistry, 47 (9), 896−898.
1.1.
1993
Maia, H.L.S.; Monteiro, L.S.; Degerbeck, F.; Grehn, L.; Ragnarsson, U. (1993). Selective cathodic cleavage of unsymmetrical imidodicarbonates, acylcarbamates and diacylamides. Journal of the Chemical Society-Perkin Transactions 2, 3, 495−500.
1.1.
1993
Degerbeck, F.; Fransson, B.; Grehn, L.; Ragnarsson, U. (1993). Synthesis of 15N-labelled chiral Boc-amino acids from triflates. Enantiomers of leucine and phenylalanine. Journal of the Chemical Society-Perkin Transactions 1, 1, 11−14.
1.1.
1992
Degerbeck, F.; Fransson, B.; Grehn, L.; Ragnarsson, U. (1992). Direct synthesis of N-protected chiral amino acids from imidodicarbonates employing either Mitsunobu or triflate alkylation. Feasibility study using lactate with particular reference to 15N-labelling. Journal of the Chemical Society-Perkin Transactions 1, 2, 245−253.
1.1.
1991
Ragnarsson, U.; Grehn, L. (1991). Novel Gabriel reagents. Accounts of Chemical Research, 24 (10), 285−289.
1.1.
1990
Gunnarsson, K.; Ragnarsson, U. (1990). Preparation and properties of Nα-di-tert-butoxycarbonyl amino acids. Applicability in the synthesis of Leu-enkephalin. Acta Chemica Scandinavica, 44 (9), 944−951.
1.1.
1988
Gunnarsson, K.; Grehn, L.; Ragnarsson, U. (1988). Synthesis and properties of Nα-di-tert-butoxycarbonyl- and Nα-benzyloxycarbonyl-tert-butoxycarbonyl amino acids. Angewandte Chemie International Edition, 27 (3), 400−401.
1.1.
1988
Almeida, M.L.S.; Grehn, L.; Ragnarsson, U. (1988). Selective protection of polyamines. Synthesis of model compounds and spermidine derivatives. Journal of the Chemical Society-Perkin Transactions 1, 7, 1905−1911.
1.1.
1987
Grehn, L.; Ragnarsson, U. (1987). A convenient one-flask preparation of di-t-butyl iminodicarbonate, a versatile Gabriel reagent. Synthesis, 3, 275−276.
1.1.
1987
Grehn, L.; Fransson, B.; Ragnarsson, U. (1987). Synthesis of substrates of cyclic AMP-dependent protein kinase and use of their protected precursors for convenient preparation of phosphopeptides. Journal of the Chemical Society-Perkin Transactions 1, 3, 529−535.
1.1.
1986
Grehn, L.; Gunnarsson, K.; Ragnarsson, U. (1986). A simple method for tert-butoxycarbonylation of amides. Acta Chemica Scandinavica Series B-Organic Chemistry and Biochemistry, 40 (9), 745−750.
1.1.
1985
Grehn, L.; Ragnarsson, U. (1985). Exhaustive tert-butoxycarbonylation of peptide nitrogens. Angewandte Chemie International Edition, 24 (6), 510−511.
1.1.
1984
Grehn, L.; Ragnarsson, U. (1984). A convenient method for the preparation of 1-(tert-butyloxycarbonyl)pyrroles. Angewandte Chemie International Edition, 23 (4), 296−297.
1.1.
1982
Zetterqvist, Ö.; Ragnarsson, U. (1982). The structural requirements of substrates of cyclic AMP-dependent protein kinase. FEBS Letters, 139 (2), 287−290.
1.1.
1981
Grehn, L.; Ragnarsson, U. (1981). Novel efficient total synthesis of antiviral antibiotic distamycin A. Journal of Organic Chemistry, 46 (17), 3492−3497.
1.1.
1980
Hider, R.C.; Ragnarsson, U. (1980). A proposal for the structure of apamin. FEBS Letters, 111 (1), 189−193.
1.1.
1976
Zetterqvist, Ö.; Ragnarsson, U.; Humble, E.; Berglund, L.; Engström, L. (1976). The minimum substrate of cyclic AMP-stimulated protein kinase, as studied by synthetic peptides representing the phosphorylatable site of pyruvate kinase (type L) of rat liver. Biochemical and Biophysical Research Communications, 70 (3), 696−703.
16.07.2021

Otsi projekti

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Uus Frascati (2015)
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SFSF0180064s08Uute biomimeetikute kui võimalike bioaktiivsete materjalide konstrueerimine, süntees ja testimine01.01.200831.12.2013Jaak JärvTartu Ülikool, Füüsika-keemiateaduskond; Tartu Ülikool, Loodus- ja tehnoloogiateaduskond, Tartu Ülikooli Keemia Instituut; Tartu Ülikool, Loodus- ja tehnoloogiateaduskond988 870,12 EUR