Raimonds VALTERS
Born: May 27, 1938, Riga, Latvia
Interests:
- Organic Chemistry
- Tautomerism of Organic Compounds
- Chemistry of Heterocyclic Compounds
- Chemistry of Quinonoid Compounds
Main Research:
Ring-chain tautomerism of organic compounds.
Intramolecular heterocyclization reactions. Synthesis of surface active derivatives of
quinones for Langmuir-Blodgett films. Synthesis of hetarylsubstituted 1,4-benzoquinones
and investigation of their properties.
Languages: English, Latvian, Russian
Education:
- Riga Technical University (Faculty of Chemistry)
cum laude, 1961
- Dr.chem. ( Candidate of Science in former
USSR, Ph.D. in Western countries), Riga Technical University, 1965
- Dr. habil. chem. (Doctor of Science in former USSR),
Latvian Academy of Sciences, 1975
Experience:
- Junior and Senior Researcher, Faculty of Chemistry, Riga
Technical University (RTU), 1961-1976
- Head of Research Sector, Faculty of Chemistry, RTU,
1976-1986
- Chief Researcher, Faculty of Chemistry, RTU, 1986-1988
- Professor of the Department of Organic Chemistry, Faculty
of Chemical Technology, RTU, 1988 - 1999
- Head of Professor Group of Organic Chemistry, Faculty of
Material Science and Applied Chemistry, RTU, 1999 - 2002
- Professor of the Department of Chemistry, 2002 -
- Chairman, Division of Chemical,
Biological and Medical Sciences, Latvian Academy of Sciences, 1998 -
- Secretary General, Latvian Academy of
Sciences, 2001 -
Honours and Awards:
- Corresponding Member, Latvian Academy of Sciences, 1992
- Full Member, Latvian Academy of Sciences, 1992
- The Latvian Academy of Sciences Gustavs Vanags Prize (in
Chemistry), 1982
- The Riga Technical University Gustavs Vanags Medal, 1991
- The Solomon Hiller Medal (Latvian Institute of Organic Synthesis), 1998
- D. H. Grindel Medal (Company “Grindex”, Latvia), 2004
Professional Activities and Memberships:
- Chairman, Latvian State Scientific Qualification Comission, 1999 –
- Chairman (since 2005), Member(since 1996), Latvian Council
for Election of State Emeritus Scientists
- Member, Senate of Riga Technical University, 2002 - 2006
- Member, Professors Election Council of Faculty of Material
Sciences and Applied Chemistry, Riga Technical University, 1999-
- Member, Habilitation Council (Organic Chemistry) , Riga
Technical University, 1990-1999
- Member, Promotion Council in Chemistry (PO- 1), Riga Technical University, 1999 -
- Member, Senate and Board (Chairman, 2001 - ) of the Latvian Academy of Sciences, 1998 -
- Member, Membership Commission of the Latvian Academy of Sciences, 1998 -
- Member, The Latvian Academy of Sciences Gustavs Vanags
Prize (in Chemistry) Committee, 1998 -
- Member of Advisory Board, Proceedings of the Latvian
Academy of Sciences, Section B, 1998 -
- Member, Board of Latvian Chemical Society, 1990-
- Member of Advisory Board, Latvian Academic Library,
1994- 2007
- Member, Latvian Council of Science, 2003 - 2007
- Member, Latvian Council of Science Expert Committee for Chemistry, 2003 - 2007
- Member, Latvian Council of Science Expert Committee for Natural Sciences, 2007 -
- Member of Latvian Taiho Foundation, 1996 - 2007
- Member , International Society of Heterocyclic Chemistry,
1996 -
Courses
Riga Technical University :
- Organic Chemistry, 1987 - 1994, 1999 -
- Chemistry of Heterocyclic Compounds, 1993 - 1997
- Carbohydrate Chemistry, 1993 - 1997
- Physical Methods in Organic Chemistry, 1994 -
- Supramolecular Chemistry, 1996 - 1998
- Nuclear Magnetic Resonance Spetroscopy, 2005 -
Recent/Representative Publications:
- R.E.Valters and W.Flitsch. Ring-Chain Tautomerism /Ed.
A.R.Katritzky/. New York and London: Plenum, 1985, XI + 278 pp.
- R.E.Valters, F.Fülöp, and D.Korbonits. Recent
developments in ring-chain tautomerism. I. Intramolecular reversible addition reactions to
the C=O group. - Adv. Heterocycl. Chem., 1995, vol. 64, pp. 251-321.
- R.E.Valters, F.Fülöp, and D.Korbonits. Recent
developments in ring-chain tautomerism. II. Intramolecular reversible addition reactions
to the C=N, C=N, C=C, and C=C groups. - Adv. Heterocycl. Chem., 1996,
vol. 66, pp.1-71.
- R.Valters, G.Karlivans, J.Gulbis, M.Utinans, and A.Bace. A
general method for the synthesis of trichloro-1,4-benzoquinonylsubstituted sulfur
containing heterocycles. - Phosphorus, Sulfur and Silicon, 1994, vol. 95/96, pp.
457-461.
- G.A.Karlivan, A.E.Batse, and R.E.Valters. Synthesis and
ring-chain isomerism of acid chlorides and amides of 2-(2-pyridyl- and
2-quinolyl-carbonyl)benzoic acids. - Chem. Heterocycl. Comp., 1994, vol. 30, N 4, pp.
438-443.
- G.A.Karlivan, R.E.Valter, A.E.Batse, M.V.Petrova, and
R.B.Kampare. An unusual reaction of 2-(2-pyridylcarbonyl)- and
2-(2-quinolylcarbonyl)benzoyl chlorides with p-nitroaniline. - Chem. Heterocycl. Comp.,
1995, vol. 31, N 7, pp. 817-822.
- G.A.Karlivan, R.E.Valter, A.E.Batse, and J.V.Gulbis. Novel
condensed heterocyclic derivatives of benzofuran based
on 2,5-dihydroxy-3,4,6,7-tetrachloro-2,3-dihydrobenzo[b]furan. - Chem. Heterocycl.
Comp., 1996, vol. 32, N 4, pp. 400-404.
- G.A.Karlivan, R.E.Valter, A.E.Batse, and J.V.Gulbis.
Synthesis and conversions of
5-(3,5,6-trichloro-1,4-benzoquinone-2-yl)-2-isopropylidenhydrazino-thiazole and
2-isopropylidenazinothiazolines. - Chem. Heterocycl. Comp., 1996, vol. 32, N 10,
pp. 1227-1233.
- R.Valters, G.Karlivans, A.Bace, and J.Gulbis. Synthesis of
[b]-fused benzo[d]furano heterocycles. - Phosphorus, Sulfur and Silicon, 1997,
vol. 120/121, pp. 411-412
- G.A.Karlivans, R.E.Valters, and J.V.Gulbis. Synthesis of the precursors of
bis(trichloro-1,4-benzoquinonyl)tetrathiafulvalenes. -
Chem. Heterocycl. Comp., 1998, vol. 34, N 8, pp. 907-911.
- V.A.Yanchishin, G.A.Karlivan, and R.E.Valter.
Synthesis and properties of dipyridinium betaines of derivatives of 1,4-benzoquinone and
tetracyanoquinodimethane. - Chem. Heterocycl. Comp., 1998, vol. 34, N 3, pp.
312-315.
- G.A.Karlivans, R.E.Valters and A.E.Bace. Synthesis of
trichloro-1,4-benzoquinonylsubs-
tituted 2,2'-bithiazoles. - Chem. Heterocycl. Comp.,1999, vol.35, N 7, pp. 866-870.
- R.Valters, G.Karlivans, J.Gulbis, and A.Bace. Synthesis of novel
trichloro-1,4-benzoquinonylsubstituted heterocycles. – Phosphorus, Sulfur and
Silicon, 1999, Vol. 153/154, pp. 411 – 412.
- N.G.Batenko, R.E.Valters, and G.A.Karlivans. Synthesis of
2,5-bis(2-aminothiazole-5-yl)-3,6 -dichloro- -1,4-benzoquinones. – Chem.
Heterocycl. Comp., 2000, vol. 36, N 6, pp. 733 – 737.
- V.Gulbis and R.E.Valters. Synthesis of
3-N,N-dialkylamino-5-(3,5,6-trichloro-1,4-benzoquinon-2-yl)thiazoline-2-thiones. – Chem.
Heterocycl. Comp., 2001, vol. 37, N 11, pp. 1424-1428.
- N.G.Batenko, R.E.Valters, and G.A.Karlivans. Nucleophilic substitution of chlorine atoms
in 2,5-dichloro-3,6-bis(2-piperidinothiazol-5-yl)-1,4-benzoquinone. - Scientific
Proceedings of Riga Technical University: Material Science and Applied Chemistry,
2001, Ser. 1, vol. 3, pp. 166-169.
- G. Karlivans, R. Valters. Synthesis of 2-(b-hetarylaminoethyl)-3,5,6-trichloro-
1,4-benzoquinones. - Chem. Heterocycl. Comp., 2003, vol. 39, N 12, pp.
1617-1622.
- G.A.Karlivans and R.E.Valters. Oxidative recyclization of
5-hydroxy-2-(2-pyrimidylamino)-4,6,7-trichloro-2,3-dihydrobenzo[b]furan. - Chem.
Heterocycl. Comp. , 2004, vol. 40, N 6, pp. 807 – 810.
- N. G. Batenko, G. A. Karlivans, and R. E. Valters. A new method for the synthesis of
2,5-bisheteroaryl-3,6-dichloro-1,4-benzoquinones. - Heterocycles, 2005, vol.
65, N 7, pp. 1569-1576.
- N. G. Batenko, G. A. Karlivans, and R. E. Valters. Methods of synthesis of
heteroarylsubstituted 1,4-benzo- and 1,4-naphthoquinones. (Review). Chem. Heterocycl.
Comp., 2005, vol. 41, N6, pp. 691-717.
- R. E. Valters, N. G. Batenko, G. A. Karlivans. A new method for the synthesis of
2,5-bisheteroaryl-3,6-dichloro-1,4-benzoquinones. 20th International Congress of
Heterocyclic Chemistry, Palermo, Italy, July 31 - Aug. 5, 2005. Abstract book .
Research Projects:
- R.Valters (Head of Project). Elaboration of the Methods of
the Synthesis of Quinonoid Compounds Linked to Heterocycle and Investigation of Their
Intramolecular Electronic Interactions. Latvian Council of Science (1993-1996).
- R.Valters (Head of Project). Synthesis of
Hetarylsubstituted Quinonoid Compounds and Investigation of Their Properties. Latvian
Council of Science (1997-2000).
- R.Valters (Head of Project). Synthesis of the Derivatives
of Hetaryl and Dihetaryl Substituted 1,4-Benzoquinones and Investigation of Their
Properties. Latvian Council of Science (2001 – 2003)
- R. Valters (Head of Project). Synthesis of the Derivatives of 1,4-Benzoquinones
Connected with Heterocycle Moiety(ies) via C—C Bond or –CH2CH2-
Linker and Investigation of their Properties. Latvian Council of Science (2005-2008)
Avocations
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- Tourism
Last update 10.12.2007
