Igor V. Komarov
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Igor Volodymyrovych Komarov is a Ukrainian synthetic organic chemist, specializing in medicinal chemistry and
nanotechnology Nanotechnology, also shortened to nanotech, is the use of matter on an atomic, molecular, and supramolecular scale for industrial purposes. The earliest, widespread description of nanotechnology referred to the particular technological goal o ...
. He is the director of the Institute of High Technologies of Taras Shevchenko National University of Kyiv. He is also a scientific advisor of Enamine Ltd (
Ukraine Ukraine ( uk, Україна, Ukraïna, ) is a country in Eastern Europe. It is the second-largest European country after Russia, which it borders to the east and northeast. Ukraine covers approximately . Prior to the ongoing Russian inv ...
) and Lumobiotics GmbH (
Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwe ...
).


Career

Igor V. Komarov graduated with distinction from Taras Shevchenko National University of Kyiv, and started to work at the same university in 1986 first as an
engineer Engineers, as practitioners of engineering, are professionals who invent, design, analyze, build and test machines, complex systems, structures, gadgets and materials to fulfill functional objectives and requirements while considering the l ...
. He obtained his Candidate of Sciences degree in 1991 in organic chemistry at Taras Shevchenko National University of Kyiv under supervision of Mikhail Yu. Kornilov; the candidate thesis was devoted to the use of lanthanide shift reagents in NMR spectroscopy. Afterwards, he was a postdoctoral fellow at the University Chemical Laboratory in
Cambridge Cambridge ( ) is a university city and the county town in Cambridgeshire, England. It is located on the River Cam approximately north of London. As of the 2021 United Kingdom census, the population of Cambridge was 145,700. Cambridge bec ...
(1996–1997,
United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and North ...
) and at th
Institut für Organische Katalyseforschung
in
Rostock Rostock (), officially the Hanseatic and University City of Rostock (german: link=no, Hanse- und Universitätsstadt Rostock), is the largest city in the German state of Mecklenburg-Vorpommern and lies in the Mecklenburgian part of the state, c ...
(2000–2001, Germany). He holds the Supramolecular Chemistry Chair of Institute of High Technologies at Taras Shevchenko National University. Komarov earned his
Doctor of Sciences Doctor of Sciences ( rus, доктор наук, p=ˈdoktər nɐˈuk, abbreviated д-р наук or д. н.; uk, доктор наук; bg, доктор на науките; be, доктар навук) is a higher doctoral degree in the Russi ...
degree in 2003; the title of his
thesis A thesis ( : theses), or dissertation (abbreviated diss.), is a document submitted in support of candidature for an academic degree or professional qualification presenting the author's research and findings.International Standard ISO 7144: ...
is "Design and synthesis of model compounds: study of
stereoelectronic An electronic effect influences the structure, reactivity, or properties of molecule but is neither a traditional bond nor a steric effect. In organic chemistry, the term stereoelectronic effect is also used to emphasize the relation between t ...
,
steric effects Steric effects arise from the spatial arrangement of atoms. When atoms come close together there is a rise in the energy of the molecule. Steric effects are nonbonding interactions that influence the shape ( conformation) and reactivity of ions ...
,
reactive intermediate In chemistry, a reactive intermediate or an intermediate is a short-lived, high-energy, highly reactive molecule. When generated in a chemical reaction, it will quickly convert into a more stable molecule. Only in exceptional cases can these comp ...
s, catalytic
enantioselective In chemistry, an enantiomer ( /ɪˈnænti.əmər, ɛ-, -oʊ-/ ''ih-NAN-tee-ə-mər''; from Ancient Greek ἐνάντιος ''(enántios)'' 'opposite', and μέρος ''(méros)'' 'part') – also called optical isomer, antipode, or optical anti ...
hydrogenation Hydrogenation is a chemical reaction between molecular hydrogen (H2) and another compound or element, usually in the presence of a Catalysis, catalyst such as nickel, palladium or platinum. The process is commonly employed to redox, reduce or S ...
and dynamic protection of functional groups" He is also a scientific advisor for Enamine Ltd. and Lumobiotics GmbH. Igor V. Komarov was awarded the title of Professor in 2007.


Contribution to research

The areas of scientific interests of Igor V. Komarov are medicinal chemistry and
synthesis Synthesis or synthesize may refer to: Science Chemistry and biochemistry *Chemical synthesis, the execution of chemical reactions to form a more complex molecule from chemical precursors ** Organic synthesis, the chemical synthesis of organ ...
of model compounds, which can be used to obtain new knowledge in
biochemistry Biochemistry or biological chemistry is the study of chemical processes within and relating to living organisms. A sub-discipline of both chemistry and biology, biochemistry may be divided into three fields: structural biology, enzymology and ...
,
stereochemistry Stereochemistry, a subdiscipline of chemistry, involves the study of the relative spatial arrangement of atoms that form the structure of molecules and their manipulation. The study of stereochemistry focuses on the relationships between stereois ...
, theoretical chemistry,
catalysis Catalysis () is the process of increasing the rate of a chemical reaction by adding a substance known as a catalyst (). Catalysts are not consumed in the reaction and remain unchanged after it. If the reaction is rapid and the catalyst recyc ...
. Igor has over 125
peer review Peer review is the evaluation of work by one or more people with similar competencies as the producers of the work (peers). It functions as a form of self-regulation by qualified members of a profession within the relevant field. Peer review ...
ed research papers,
h-index The ''h''-index is an author-level metric that measures both the productivity and citation impact of the publications, initially used for an individual scientist or scholar. The ''h''-index correlates with obvious success indicators such as winn ...
31, has guided 8 PhD students to date. Igor's scientific group puts the main focus on developing of novel synthetic methods and design of theoretically interesting molecules, part of which were created and synthesized in tight collaboration with Prof. Anthony J
Kirby
from
the University of Cambridge , mottoeng = Literal: From here, light and sacred draughts. Non literal: From this place, we gain enlightenment and precious knowledge. , established = , other_name = The Chancellor, Masters and Schola ...
(United Kingdom). One of such collaborative projects was synthesis, study of stereochemistry and chemical properties of 1-aza-2-adamantanone and its derivatives. A trimethyl-substituted derivative ("the most twisted amide", "Kirby's amide") was designed in the Prof. Kirby's laboratory and synthesized by Igor in 1997 during his postdoctoral stay in Cambridge. In 2014, a parent molecule was made in Igor's group in collaboration with Prof. Kirby. The compound modelled the transition state of ''cis''-''trans'' isomerization of
amide In organic chemistry, an amide, also known as an organic amide or a carboxamide, is a compound with the general formula , where R, R', and R″ represent organic groups or hydrogen atoms. The amide group is called a peptide bond when it is ...
s and allowed obtaining fundamental
knowledge Knowledge can be defined as awareness of facts or as practical skills, and may also refer to familiarity with objects or situations. Knowledge of facts, also called propositional knowledge, is often defined as true belief that is distinc ...
about the
amide bond In organic chemistry, an amide, also known as an organic amide or a carboxamide, is a compound with the general formula , where R, R', and R″ represent organic groups or hydrogen atoms. The amide group is called a peptide bond when it is p ...
. Igor V. Komarov started his
research Research is "creativity, creative and systematic work undertaken to increase the stock of knowledge". It involves the collection, organization and analysis of evidence to increase understanding of a topic, characterized by a particular att ...
in the area of synthetic organic chemistry at the beginning of 1990th, working on
phosphorylation In chemistry, phosphorylation is the attachment of a phosphate group to a molecule or an ion. This process and its inverse, dephosphorylation, are common in biology and could be driven by natural selection. Text was copied from this source, wh ...
of
aromatic In chemistry, aromaticity is a chemical property of cyclic ( ring-shaped), ''typically'' planar (flat) molecular structures with pi bonds in resonance (those containing delocalized electrons) that gives increased stability compared to satur ...
heterocyclic compound A heterocyclic compound or ring structure is a cyclic compound that has atoms of at least two different elements as members of its ring(s). Heterocyclic chemistry is the branch of organic chemistry dealing with the synthesis, properties, and ...
s by phosphorus(V) acid halides. At that time, convenient phosphorylation methods were developed, which now find use, for example, for synthesis of materials applicable for
uranium Uranium is a chemical element with the symbol U and atomic number 92. It is a silvery-grey metal in the actinide series of the periodic table. A uranium atom has 92 protons and 92 electrons, of which 6 are valence electrons. Uranium is weak ...
extraction Extraction may refer to: Science and technology Biology and medicine * Comedo extraction, a method of acne treatment * Dental extraction, the surgical removal of a tooth from the mouth Computing and information science * Data extraction, the pro ...
. Later, working in Rostock, Igor V. Komarov changed the direction of his research and got interested in
homogenous Homogeneity and heterogeneity are concepts often used in the sciences and statistics relating to the uniformity of a substance or organism. A material or image that is homogeneous is uniform in composition or character (i.e. color, shape, siz ...
asymmetric catalysis. The study of catalysis was carried out using model compounds: functionalized
camphor Camphor () is a waxy, colorless solid with a strong aroma. It is classified as a terpenoid and a cyclic ketone. It is found in the wood of the camphor laurel ('' Cinnamomum camphora''), a large evergreen tree found in East Asia; and in the k ...
- and
tartaric acid Tartaric acid is a white, crystalline organic acid that occurs naturally in many fruits, most notably in grapes, but also in bananas, tamarinds, and citrus. Its salt, potassium bitartrate, commonly known as cream of tartar, develops naturally i ...
-derived chiral
ligand In coordination chemistry, a ligand is an ion or molecule (functional group) that binds to a central metal atom to form a coordination complex. The bonding with the metal generally involves formal donation of one or more of the ligand's electr ...
s were synthesized such as monophosphines,
diphosphines Diphosphines, sometimes called bisphosphanes, are organophosphorus compounds most commonly used as bidentate phosphine ligands in inorganic and organometallic chemistry. They are identified by the presence of two phosphino groups linked by a backb ...
, and then
Rhodium Rhodium is a chemical element with the symbol Rh and atomic number 45. It is a very rare, silvery-white, hard, corrosion-resistant transition metal. It is a noble metal and a member of the platinum group. It has only one naturally occurring isoto ...
(I) complexes with them. The complexes were used for asymmetric homogenous hydrogenation of
prochiral In stereochemistry, prochiral molecules are those that can be converted from achiral to chiral in a single step. An achiral species which can be converted to a chiral in two steps is called proprochiral. If two identical substituents are attach ...
substrates, and the obtained results allowed elucidating the effects of oxo- and oxy-
functional group In organic chemistry, a functional group is a substituent or moiety in a molecule that causes the molecule's characteristic chemical reactions. The same functional group will undergo the same or similar chemical reactions regardless of the rest ...
s in ligands on efficiency and
selectivity Selectivity may refer to: Psychology and behaviour * Choice, making a selection among options * Discrimination, the ability to recognize differences * Socioemotional selectivity theory, in social psychology Engineering * Selectivity (radio), a ...
of the catalysts. These works led to introduction of efficient catalysts to synthetic practice, like catASium, some of them bearing a camphor-derived ligand ROCKYPhos (named after the cities ROstok and
KYiv Kyiv, also spelled Kiev, is the capital and most populous city of Ukraine. It is in north-central Ukraine along the Dnieper, Dnieper River. As of 1 January 2021, its population was 2,962,180, making Kyiv the List of European cities by populat ...
). Although Igor's interest to the synthesis of chiral ligands has not been faded, he changed the general direction of his research once more, and now he works in the area of drug design. One of the main design principle is restriction of conformational mobility of the
drug candidate In the fields of medicine, biotechnology and pharmacology, drug discovery is the process by which new candidate pharmaceutical drug, medications are discovered. Historically, drugs were discovered by identifying the active ingredient from tradit ...
molecule A molecule is a group of two or more atoms held together by attractive forces known as chemical bonds; depending on context, the term may or may not include ions which satisfy this criterion. In quantum physics, organic chemistry, and bioch ...
s. Prof. Komarov's research group developed many approaches to synthesis of conformationally restricted
amine In chemistry, amines (, ) are compounds and functional groups that contain a basic nitrogen atom with a lone pair. Amines are formally derivatives of ammonia (), wherein one or more hydrogen atoms have been replaced by a substituen ...
s and
amino acid Amino acids are organic compounds that contain both amino and carboxylic acid functional groups. Although hundreds of amino acids exist in nature, by far the most important are the alpha-amino acids, which comprise proteins. Only 22 alpha am ...
s - the building blocks for drug design. Numerous conformationally restricted
fluorine Fluorine is a chemical element with the symbol F and atomic number 9. It is the lightest halogen and exists at standard conditions as a highly toxic, pale yellow diatomic gas. As the most electronegative reactive element, it is extremely reacti ...
-containing amino acids were also designed and synthesized, with a purpose of using them as labels to study
peptide Peptides (, ) are short chains of amino acids linked by peptide bonds. Long chains of amino acids are called proteins. Chains of fewer than twenty amino acids are called oligopeptides, and include dipeptides, tripeptides, and tetrapeptides. A ...
s in lipid bilayers by solid-state NMR spectroscopy. Igor V. Komarov's group made a contribution to design and synthesis of light-controllable biologically active compounds - photocontrollable peptides - potential candidates for
photopharmacology Photopharmacology, an emerging approach in medicine, involves activating and deactivating photoswitchable molecules with light for target drug delivery. Clinicians use the energy of light to change the shape and chemical properties of a drug, res ...
drugs. Photopharmacology drugs can be administered in the inactive,
non-toxic Toxicity is the degree to which a chemical substance or a particular mixture of substances can damage an organism. Toxicity can refer to the effect on a whole organism, such as an animal, bacterium, or plant, as well as the effect on a subst ...
form, and then activated ("switched on") by
light Light or visible light is electromagnetic radiation that can be perceived by the human eye. Visible light is usually defined as having wavelengths in the range of 400–700 nanometres (nm), corresponding to frequencies of 750–420 tera ...
only when and where required to treat localized
lesion A lesion is any damage or abnormal change in the tissue of an organism, usually caused by disease or trauma. ''Lesion'' is derived from the Latin "injury". Lesions may occur in plants as well as animals. Types There is no designated classifi ...
s (e.g.in
solid tumors A neoplasm () is a type of abnormal and excessive growth of tissue. The process that occurs to form or produce a neoplasm is called neoplasia. The growth of a neoplasm is uncoordinated with that of the normal surrounding tissue, and persists ...
). The activation by light can be done with very high spatiotemporal precision in the lesion site, leaving the rest of the
patient A patient is any recipient of health care services that are performed by healthcare professionals. The patient is most often ill or injured and in need of treatment by a physician, nurse, optometrist, dentist, veterinarian, or other health c ...
body unaffected. After the treatment, the photopharmacology drugs can be inactivated ("switched off") by light in order to diminish
side-effects In medicine, a side effect is an effect, whether therapeutic or adverse, that is secondary to the one intended; although the term is predominantly employed to describe adverse effects, it can also apply to beneficial, but unintended, consequence ...
and environmental burden. Another research direction in the Igor V. Komarov's scientific group is navigation of
chemical space Chemical space is a concept in cheminformatics referring to the property space spanned by all possible molecules and chemical compounds adhering to a given set of construction principles and boundary conditions. It contains millions of compounds wh ...
. A method of structural comparison for organic molecules was developed which employed exit vector plot analysis. Enumeration of molecules (exhaustive generation of all theoretically possible structures) was carried out for some classes of organic compounds, for example, for conformationally restricted
diamine A diamine is an amine with exactly two amino groups. Diamines are used as monomers to prepare polyamides, polyimides, and polyureas. The term ''diamine'' refers mostly to primary diamines, as those are the most reactive. In terms of quantities p ...
s. In the area of
nanotechnology Nanotechnology, also shortened to nanotech, is the use of matter on an atomic, molecular, and supramolecular scale for industrial purposes. The earliest, widespread description of nanotechnology referred to the particular technological goal o ...
, Igor V. Komarov's research group studied
cell-penetrating peptide Cell-penetrating peptides (CPPs) are short peptides that facilitate cellular intake and uptake of molecules ranging from nanosize particles to small chemical compounds to large fragments of DNA. The "cargo" is associated with the peptides either t ...
s as carriers for carbon-based
fluorescent Fluorescence is the emission of light by a substance that has absorbed light or other electromagnetic radiation. It is a form of luminescence. In most cases, the emitted light has a longer wavelength, and therefore a lower photon energy, tha ...
nanoparticles, shuttling them inside
eukaryotic cells Eukaryotes () are organisms whose Cell (biology), cells have a cell nucleus, nucleus. All animals, plants, fungi, and many unicellular organisms, are Eukaryotes. They belong to the group of organisms Eukaryota or Eukarya, which is one of the ...
with the purpose of bioimaging. Igor V. Komarov has a Ukrainian patent, 2 international patents, is a co-authors of text-books on NMR spectroscopy.


Scientific projects

Igor V. Komarov was a coordinator of scientific projects financed by the Ministry of Education and Science of the Ukraine (three applied projects devoted to design of therapeutic peptides, including photocontrolle
[1
/nowiki>">">[1
/nowiki>, Alexander von Humboldt Foundation (Institute Partnershaft and Research Linkage Programs, in collaboration with Karlsruhe University (Karlsruhe, German
[2
/nowiki>] and Leibniz Institute of Molecular Pharmacology (Berlin, German
[3
/nowiki>">">[3
/nowiki>, private companies Degussa (the project was devoted to development of large-scale production of a ligand for Rhodium-based catalysts of asymmetric hydrogenation) and Enamine (six medicinal chemistry projects, lead discovery and lead optimization). He is currently a coordinator of a European Horizon2020 Research and Innovation Staff Exchange (RISE) Programme (2016–2019) Grant Agreement number: 69097
[4
/nowiki>], the title of the project – “Peptidomimetics with Photocontrolled Biological Activity”.


Awards and grants

* NATO Research Award (postdoctoral fellowship, 01.1996–01.1997, The University of Cambridge, United Kingdom);
INTAS
grants (research visits, 08.1993 and 10.1994,The University of Cambridge, United Kingdom);
ISF grants
(1998, research project, Taras Shevchenko National University of Kyiv); * Grants of the
Royal Society of Chemistry The Royal Society of Chemistry (RSC) is a learned society (professional association) in the United Kingdom with the goal of "advancing the chemistry, chemical sciences". It was formed in 1980 from the amalgamation of the Chemical Society, the Ro ...
for authors (1999, 2000); * Alexander von Humboldt Researc
Fellowship
(postdoctoral stay in Rostock, Germany, 2000–2001); * Georg Forster Research Award (2015); * Title "Merited Figure of Science and Technology of Ukraine" (2016).


References

{{DEFAULTSORT:Komarov, Igor 1964 births Living people Ukrainian chemists Organic chemists Taras Shevchenko National University of Kyiv alumni