Bojidarka B. Ivanova

Bojidarka B. Ivanova
Technische Universität Dortmund | TUD · Institut für Umweltforschung (INFU), Lehrstuhl für Analytische Chemie, Fakultät für Chemie und Chemische Biologie

PhD

Publications

Publications (216)
Chapter
The aim shared by this chapter connects quantitatively among 3D molecular and electronic structures; energetics; thermodynamics and diffusion parameters of observable soft-ionization mass spectrometric molecular ions and their fragmentation products. Owing to, the irreplaceable application of the mass spectrometry to interdisciplinary research fiel...
Conference Paper
Full-text available
Graphical Abstract Stochastic dynamics mass spectrometric 3D structural analysis of N-glycans of fetal bovine serum-an experimental and theoretical study 2 3 Abstract: The contribution addresses problem of mass spectrometric (MS) 3D molecular and electronic structural analysis of mixtures of glycans of fetal bovine serum. The research task is unexp...
Article
The study reports quantification of metronidazole (MTZ) in clinical human urine employing our innovative stochastic dynamic equation [formula]. There are direct analysis without presence of internal standard, using ultra-high accuracy nano-electrospray ionization (ESI) mass spectrometry (MS), quantum chemistry and chemometrics, respectively. The li...
Article
Full-text available
There is explored, herein, functional relation: Experimental mass spectrometric phenomenon, obeying a certain scientific law ↔ 3D molecular conformations and electronic structures of analytes obtained for quantum chemical theories. The paper answers to questions: (a) What evidence claims these actual relations among measurable and theoretical param...
Article
The paper tackles issue of solid-state 3D structural analysis by means of matrix assisted laser desorption/ionization mass spectrometry with a view of our innovative stochastic dynamic new simplistic formula [formula]. It represents a universal law, which is obeyed by temporal behavior of experimental variable intensity of any analyte peak of ion,...
Article
The topic of the study is crystallographic experimental and theoretical electron density analyses of entitled complex zinc(II) bis((1R,2R)-1,2-diaminocyclohexane) dinitrate (1), showing an atypical of ZnII-ion octahedral geometry of the metal chromophore (ZnO2N4.) The ligand 1,2-diaminocyclohexane (L) is characterized by a diversity of coordination...
Conference Paper
Full-text available
The study answers to a question: How are 3D molecular and electronic structures; energetics; thermodynamics, kinetics and diffusion of mass spectrometric (MS) ions correlate quantitatively? Despite, irreplaceable application of the mass spectrometry to many interdisciplinary research fields as a robust analytical instrumentation, due to its superio...
Chapter
Innovations of agrochemicals for pest management and strategies for their implementing in agricultural and horticulture practices have emerged by programmes into eliminating harmful (micro-)organisms from products in food, agricultural land, livestock, pets, et cetera. Acaricides are used against species Acari constituted of mites, ticks and other...
Poster
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The motivation behind this study is recent hypotheses that: (i) The biological activity of agonists of b-adrenergic receptors (ARs) correlates with incidences of neurodegenerative disorders (NDD), for instance, Parkinson’s disease; (ii) ractopamine (1), an agonist of b-ARs, might exhibit protective effects for this disease; (iii) the ractopamine (1...
Article
The paper presents innovative stochastic dynamic formulas treating quantitatively mass spectrometric outcome intensity by introducing diffusion coefficient, which is used to quantify and determine 3D structurally solvate inorganics of ZnII-ion observed under electrospray ionization conditions of metal-organics of 5-sulfosalicylic acid (1), 3,4-dihy...
Book
In this work we discuss certain consideration for quantum chemical and chemometric assessing in the crystallographic polymorphism. It is aimed primarily at researchers in ‘Analytical chemistry’ and is designed to help readers’ understanding of the implications of the different quantum chemical theories in the chemical crystallography. The focal par...
Article
In the current paper, we further search for certainty of our innovative stochastic dynamic (SD) simplistic model formula [formula] connecting among the so-called mass spectrometric SD diffusion parameter DSD parameter, the mass spectrometric measurable variable intensity, and the analyte concentration in solution. Since this equation has been deriv...
Article
This paper deals with quantification of the following steroids in mixture: hydrocortisone (1), deoxycorticosterone (2), progesterone (3) and methyltestosterone (4) by means of mass spectrometry and implementing our innovative stochatic dynamic functional relationship between the analyte concentration in solution and the experimental variable intens...
Conference Paper
Full-text available
In this contribution we further explore our innovative stochastic dynamic (SD) concept and model formulas treating quantitatively experimental mass spectrometric (MS) variable intensity with respect to the analyte concentration in solution by introducing the so-called mass spectrometric stochatic dynamic diffusion parameter (D SD .) It is directly...
Book
Full-text available
A work on nonsubstituted cyclodextrins does illustrate persuasively the applicability of our innovative stochastic dynamic formulas connecting among measurable outcome intensity (I), analyte concentration in solution, the temperature (T) and molecular properties to quantify and determine 3D structurally analytes. They bridge the gap between theory...
Chapter
The computational chemistry has become increasingly pervasive in the molecular design of new medications. However, the management of schizophrenia (SZ) is a difficult research task, amongst others, of the medicinal chemistry, making the theoretical approaches not so fertile. The computationally predicted biological activity often is over-optimistic...
Article
Full-text available
The data analyzed in this paper are on quantitative and 3D structural determination of ionic ensembles and multiply charged solvates ions of type [(Cl)(H2O)x(H3O)y(CH3CN)z]+, [(Cl)(O2)x(CH3OH)y(NH4)z]+, [(O2)x(H2O)(H3O)(CH3CN)]+n and [(Cl)(H2O)2(H3O)(CH3CHN2)]+ observable under electrospray ionization conditions in presence of ZnII-ion containing m...
Book
The idea for this contribution has its root in exact formulas connecting between measurable variable intensity of mass spectrometric peak of analyte ion and its stochastic dynamic diffusion parameter introduced, more recently in our works devoted to quantitative mass spectrometry. Herein, we present innovative functional relations connecting among...
Presentation
An innovative approach to quantify mass spectrometric (MS) variable intensity “I” with respect to analyte concentration “C” in solution that has a crucial impact on the accurate treatment of the measurable outcome is examined. We show a new formula connecting among MS intensity of peaks; the concentration of analyte in solution; and the so-called s...
Article
The paper draws on our stochastic dynamic approach providing exact analytical procedure to quantify experimental mass spectrometric outcome intensity “I” via the so–called mass spectrometric diffusion parameter “DSD.” A small–scale research, so far, has taken a closer look at the functional relation between DSD parameters and quantum chemical diffu...
Article
Full-text available
There is a straightforward line in the recent development of the functional model connecting the experimental mass spectrometric variable intensity of a peak of an analyte ion with its thermodynamic, kinetic and diffusion parameters. It has been shown that the temporal behavior of the outcome intensity obeys a certain law: [formula]. This formula i...
Article
The paper addressed shortcoming with highly precise and selective 3D structural analysis of native cyclodextrins in mixture using ions observable at low m/z–region by ESI– and APCI–mass spectrometry. Because of, the quantitative and structural analyses of CDs, in general, are vexed by a set of complications. The study outlines our own stochastic dy...
Article
This paper details with design, synthesis, isolation, spectroscopic and structural elucidation of seven crystals of organic barbiturates (a red phase of bis(5-(hydroxyimino)pyrimidine-2,4,6(1H,3H,5H)-trione) 4H-1,2,4-triazol-4-amine co-crystal (1y), 2-methylamino-1-phenyl-propan-1-ol 2-thioxo-dihydro-pyrimidine-4,6-dione (2), 4-phenylpyridine thiob...
Article
The paper deals with determination of mass spectrometric diffusion parameters (DSD) based on our stochastic dynamic approach to treat quantitatively the experimental variable “intensity” of observable peaks of analyte ions with respect to different spans of the scan time. There has been derived, more recently, the following model equation DtotSD =...
Book
The major aim of this work is to introduce our new model equation connecting among the so–called stochastic dynamic diffusion coefficient “DSD,” the experimental mass spectrometric outcome intensity “I” and the experimental parameter temperature “T,” respectively. A closer review of our contributions, so far, to the domain of the “stochastic dynami...
Data
Correspondence with the Editorial Office of GRIN Verlag.
Presentation
Full-text available
A short presentation of the book's content and updated information about results from a manuscript in press.
Article
The kernel idea for this paper came from our more recent development of a mass spectrometric model equation, based on stochastic dynamics. It treats quantitatively the experimental intensity of analytes and their fragment ions under soft ionization conditions. The effort has resulted to exact universally applicable and empirically testable relation...
Book
Full-text available
Throughout the chapters in this book we argue that the temporal behaviour of the experimental mass spectrometric intensity of analyte ions obeys a certain and universal law based on a stochastic dynamic approach. The content of the book evidences convincingly through a selected series of examples to molecular systems of metal-organic complexes of t...
Article
The focus on this paper is on to continue the research line taken in our more recent studies of mass spectrometric approaches treating quantitatively the intensity of analyte fragment peaks with respect to time within the own model equation, based on stochastic dynamics, and correlating between experimental diffusion parameters of ions and their 3D...
Chapter
The present chapter deals with protonation and 3D structural analysis of glycylhomooligopeptides and their silver(I) complexes. It role is to provide quantitative relations to “3D molecular structure””quantum chemical diffusion coefficient””mass spectrometric diffusion coefficient,” accounting for the environmental factors pH and ionic strength....
Chapter
The presented research on the assessment of the chemical reactivity of piperazine (PZ) heterocyclics is based on mass spectrometric (MS) quantification of thermodynamic, kinetic and diffusion parameters, respectively. The piperazines exhibit great biological activity and are “privileged molecular scaffold” in the drugs design. Thus, the study is re...
Article
The issue of this work focuses on development of quantitative model equations connecting experimental mass spectrometric (MS) parameters, for instance, MS intensity, of analyte peaks with thermodynamic, kinetic and diffusion parameters of the corresponding ions with their 3D molecular and electronic structures. Our more recent contribution to this...
Book
It is widely accepted that the quadruplex, representing a supramolecular self–aggregate of guanine (G) containing recurrent units of four noncovalent interacting nucleobases (NBs) and one monovalent cation in DNA and RNA, has been associated with genome instability, transcription and replication of living cells. This line of inquiry has also eviden...
Chapter
In the present work we argue for that the temporal behaviour of the analyte MS intensity under matrix–assisted laser desorption/ionization (MALDI) and electrospray ionization (ESI) mass spectrometric (MS) experimental conditions can be expressed quantitatively by means of stochastic dynamics. We explore the Box–Müller’s method with an implication t...
Article
This paper provides experimental and theoretical study of reaction of [2 + 2] cycloaddition of substituted α–unsaturated isophorone dyes, involving high resolution electrospray ionization (ESI) and atmospheric pressure chemical ionization (APCI) tandem mass spectrometric (MS/MS) analysis in solution and in gas–phase (GP) of substituted 3-[2-(X-subs...
Article
The problematic that we consider in this paper treats the quantitative correlation model equations between experimental kinetic and thermodynamic parameters of coupled electrospray ionization (ESI) mass spectrometry (MS) or atmospheric pressure chemical ionization (APCI) mass spectrometry with collision induced dissociation mass spectrometry, accou...
Article
This paper aims at filling the gap of governing forces leading to bonded charged AgI–ion to unsaturated hydrocarbons comparing with its coordination ability in metal–organics, in particular, carboxylic acids, describing a new, first reported in the literature, very rare case of cation-π–complex of AgI–ion with 1H-indole-5-carboxylic acid ([AgI(η2-C...
Article
The present paper deals with quantitative kinetics and thermodynamics of collision induced dissociation (CID) reactions of piperazines under different experimental conditions together with a systematic description of effect of counter-ions on common MS fragment reactions of piperazines; and intra-molecular effect of quaternary cyclization of substi...
Raw Data
T.Kolev, R.Bakalska, M.Todorova, M. Lamshoeft, B.Ivanova, M.Spiteller, CSD Communication, 2017 (https://www.ccdc.cam.ac.uk/structures/Search?Ccdcid=1586368) - disordered structure; low quality crystal. COMPOUND: 4-[2-(4-Dimethylamino-naphthalen-1-yl)-vinyl]-1-methyl-quinolinium iodide Authors’ contributions: T.K., R.B., T.M. - synthesis; B.I. - sep...
Raw Data
T.Tsanev, S. Kotov, H. Mayer-Figge, W.S. Sheldrick, B.Ivanova, M.Spiteller, CSD Communication, 2017; https://www.ccdc.cam.ac.uk/structures/Search?ccdc=1586376
Raw Data
T. Kolev, H. Ott, B. Ivanova, M. Spiteller CCDC 1584026: Experimental Crystal Structure Determination, 2017, DOI: 10.5517/ccdc.csd.cc1q59mt https://www.ccdc.cam.ac.uk/structures/Search?Ccdcid=1584026
Raw Data
T. Kolev, H. Ott, B. Ivanova, M. Spiteller CCDC 1584027: Experimental Crystal Structure Determination, 2017, DOI: 10.5517/ccdc.csd.cc1q59nv https://www.ccdc.cam.ac.uk/structures/Search?Ccdcid=1584027
Raw Data
T.Kolev, R. Bakalska, M. Todorova, M. Lamshoeft, H. Mayer-Figge, W.S. Sheldrick, B.Ivanova, M. Spiteller, CSD Communication, 2017; https://www.ccdc.cam.ac.uk/structures/Search?Ccdcid=1584161
Raw Data
T. Kolev, B.Ivanova, M.Spiteller, CSD Communication, 2017 https://www.ccdc.cam.ac.uk/structures/Search?Ccdcid=766975
Article
The fundamental goal of this work in applying high resolution crystallographic X-ray measurements of single crystals as well as ab initio and density functional computational methods is to provide a correlation between the experimental electron densities and valence states of atoms with the theoretically predicted ones by methodological approaches...
Article
An essential part of molecular scaffolds of organosilver(I) catalysing reactions of C–H bond activation and C–X (X = C or O) bond formation of polysubstituted benzoic acids in polar medium represent biphenyls, 6H-benzo-[c]-chromene[6]-one, chromeno[5,4,3-cde]chromene-5,10-dione, and 4,10-dioxa-pyrene-5,9-diones. A second strand of catalytic activit...
Chapter
The work presented deals with a modeling of molecular interactions between biogenic trace amines (TAs) tyramine(1), octopamine (2), dopamine (3), epinephrine (4), norepinephrine (5), ractopamine (6) and -phenylethylamine (7) with the trace amine-associated receptor 1(TAAR1). The latter is the only human receptor modulating the monoamine neurotrans...
Article
The research draws on experimental and theoretical data about energetics and kinetics of mass spectrometric (MS) reactions of glycylhomopenta– (G5) and glycylhomohexapeptides (G6). It shows the great applicability of the methods of quantum chemistry to predict MS profile of peptides using energetics of collision induced dissociation (CID) fragment...
Article
The paper provides a comprehensive study of lanthanide and actinide complexes to a matter of key area in the field of the chemistry, i.e. environmental analytical chemistry. The content has involved: (i) solution and sorption behaviour of lanthanides (Lnn+, Ln = Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Py, Ho, Er, Tm, Yb and Lu) onto Y(O)O(H) minerals (Y =...
Chapter
Summary: Rape plant (Brassica napus L.) is among most economically important oilseed crop, contributing up to 15 % of oil production worldwide. As far as European Union Directive 2009/28/EC mandatory determines for the member States 10 % sharing of energy from renewable sources by 2020, it has been concentrated much effort in implementation of rape...
Chapter
Although chronic alcohol abuse leads to liver diseases, hard spirits are more harmful to human health. And thus, the great popularity of beer is associated with diet benefits in reducing the risk heart disease; myocardial infarction and diabetes. The broad biological antioxidant, antitoxiolytic, anticancer and antimicrobial activities are due to ce...
Article
Study of uranium interstitial compositions of non-stoichiometric oxides UO2+x (x ∈ 0.1–0.02) in gas and condense phases has been presented, using various soft-ionization mass spectrometric methods such as ESI-, APCI-, and MALDI-MS at a wide dynamic temperature gradient (∈ 25–300 °C). Linearly polarized vibrational spectroscopy has been utilized in...
Article
This paper presents study of binding affinity of seven aquatic and terrestrial molecular models of fulvics (FA-i,i = I–VII) and six models of humics (HA-i, i = I–VI); their polydeprotonated and polyprotonated forms towards the organic xenobiotics amitrole, anilazine, pyridine, toluene and, 4-chlorophenol, respectively. The humics–xenobiotics covale...
Article
Recent strategies in molecular drugs-design shift efforts to nanomedicine. Large supra-molecular inclusion systems are implemented as therapeutics. The sophistication of design is based on major advances of cyclodextrins (CDs) as host molecules. They are friendly towards biological environment. CDs have good (bio)compatibility as well. CDs can form...
Book
Short overview has avalable at: http://www.grin.com/en/e-book/310619/linear-and-nonlinear-optical-zn-ii-metal-organic-materials-correlation PREFACE This book deals with chemistry and chemical-physical effects of ZnII-containing metal-organics with emergence as an interdisciplinary area of coordination chemistry, blending of electro optical and no...
Book
PREFACE Despite tremendous number books, monographs, textbooks and review-articles devoted to “organometallic chemistry” largest part of those contributions have been designed into following structure of the content: (i) Manuals, handbooks and encyclopedias summarizing important organometallic reagents in the organic synthesis; (ii) Books, containi...
Article
In order to set a more accurate determination of pyrethroid insecticides, applicable to real environmental tap water, in this paper we have reported methodological development of simultaneous protocol, using matrix–assisted laser desorption ionization mass spectrometry. One of the most noticeable trends in the optimization of the sample preparation...
Article
The work presented here refers firstly to solid-state UV-MALDI–Orbitrap-mass spectrometric analysis of fluroxypyr (A) and triclopyr (B) in soils under laboratory conditions. The experimental design has involved the following: (a) determination of analytes A and B in polycrystalline composites of organic materials 1–7, based on 2-piperidine (pyrroli...
Article
PURPOSE: Quantitative analysis of fungicides metalaxyl–M, rac-metalaxyl (1), captafol (2), captan (3), folpet (4), metalaxyl acid (5), cis-1,2,3,6-tetrahydrophthalimide (6), cis-1,2,3,6-tetrahydrophthalamid acid (7), o-phthalic acid (8) and, phthalamide (9), in sterilized and non-sterilized soil fractions. MATERIALS AND METHODS: The concept of the...
Book
Full-text available
FEATURE In spite of, numerous books, which have been devoted to “MALDI mass spectrometry”, it is particularly important to take into account the fact, that the content has involved physical background, instrumentation, and fundamentals of MALDI ionization/desorption process/s. There is a clear trend to present applicability of MALDI method to (bio)...
Article
The paper highlighted quinoxalines as potent ligands to corticotropin–releasing factor receptor types 1 and 2. The content includes design and structure–activity relationship of 50 model substances to CRFR1, CRFR2 and CRF2, respectively. It is important to bear in mind, that our concept has based on challenging research task, designing for select...
Article
The paper reported a joined mass spectrometric, crystallographic and quantum chemical study of crystallohydrates, emphasizing on clathrates of native α-, and β-cyclodextrins as well as their randomly acetylated derivatives (4 and 5). The physical data are compared with 19 crystals of CDs, three of which new ones, differed by number of crystallohydr...
Book
Full-text available
PREFACE Environmental analytical chemistry has strong impact on the human beings live and human wellbeing, because of it task has associated assessment in the risk of the human health from urban and industrial contamination. The environmental radioanalytical chemistry, has been regarded as an independent part of the environmental chemistry, dealing...
Article
Full-text available
This is the first report, devoted to quantum chemical modelling and solid–state mass spectrometric UV–MALDI–Orbitrap–MS study of sorption of uranium complexes Un+ (n  1–6), [UO2]2+, UO3, [UO2(OH)]+, [UO2(HO)2]0, UO2(OH)3]-, [UO2(CO3)]0, [UO2(CO3)2]2- and [UO2(CO3)3]4- onto Fe–containing minerals, discussing the surface interactions on goethite and...
Article
The determination of transition metal containing dithiocarbamate fungicides represents a challenging aspect of analytical object. They have a low stability, low solubility and stabilize versatile coordination monomers, dimers, disulfides and/or S-oxidized derivatives. Their diverse biological activities and agricultural implementation encompass pla...
Article
Despite of the fact that the manufacturing of beer dated from many centuries, and nevertheless, of enormous analytical instrumental elaborations, developments and implementations for highly precise and accurate protocols for determination of foodstuffs, the quantitation of beer ingredients still represent significant challenge. It is caused by: (A)...
Article
The paper reports ultraviolet matrix-assisted laser desorption/ionization mass spectroscopy (UVMALDI-MS) protocol for determination of complex heterogeneous emulsion or suspension formulations. The active agents and surfactants are morpholine fungicide fenpropimorph (1), amorolfine (2), tridemorph (mixture of 2,6-dimethyl-4-alkylmorpholins 3–6), 2,...
Article
Full-text available
The paper highlighted the molecular drugs-design, and biologically oriented synthesis, of functionalized benzyl-derivatives, using naturally occurring template of endophytic and Eurotium repens fungal metabolites as selective opioid receptors agonists. The binding affinity to cannabinoid (CB1, CB2) and opioid (-OR, -OR) subtypes is elucidated. Th...
Article
The study encompassed experimental mass spectrometric and theoretical quantum chemical studies on adsorption of uranium species in different oxidation states of the metal ion, and oxides of UxOy(n+) type, where x = 1 or 3, y = 2 or 8, and n = 0, 1 or 2 onto nanosize-particles of saltrock oxides MO (M = Mg(II), Ca(II), Ni(II), Co(II), Sr(II) or Ba(I...
Article
Quantitative UV-MALDI-Orbitrap mass spectrometric study of naturally occurring insecticides, acaricides and, piscicides rotenone (1), rotenolone (2), sumatrol (3), deguelin (4) as well as tephrosin (5) in rapeseed oil is presented. Direct emulsion assay and solid-state sample preparation techniques in presence of matrixes of organic crystals of ion...
Article
Despite that among non-camptothecin natural products promising anticancer therapeutics are evodiamine derivatives, involv into mechanism of physiological function of topoisomerase-I. But, more recent findings have been shown that substituted quinazole alkaloids act as transient receptor potential vanilloid 1 agonists. The TRP(V1) is a calcium ion c...
Article
Experimentally and theoretically were studied the physical properties of 19 new Schiff’s bases and their different protonated forms, depending on reaction conditions. It was elucidated the correlation between the type of molecular architecture, substituents and pH of the medium on first hyperpolarizability (β) with regard to the potential applicati...
Article
Full-text available
The paper highlighted novel twenty-eight synthetic derivatives based on the salvinorin A skeleton as potent kappa-opioid receptor agonists. The molecular drugs design is based on comprehensive theoretical modeling of macromolecular receptor inclusion complexes. In contrast to all known naturally occurring products of Salvia divinorum and reported s...
Article
The paper highlighted the molecular docking drug design and analysis of eighteen 1–18 substituted benzo[i]phenanthridines as promising non-camptothecin topoisomerase-I-targeting agents for anticancer therapeutics. Although antitumor camptothecin-based drugs such as topotecan and irinotecan are successfully implemented into clinical practice, preven...
Article
This paper reported on selective Raman spectroscopic and mass spectrometric determination of functionalized aflatoxins. Performance parameter methods encompassed six component mixtures of AFs, B1, G1, M1 and B2A, G2A, and M2A at concentration range of ∈ 0.096–21.581 ng g−1. Limits of detection (LODs) and limits of quantitation (LOQ) are 0.135 and 0...
Article
The paper highlighted Ag-I- and Zn-II-organometallic catalysing C-C coupling processes of polysubstituted benzoic acids in polar protic solutions. Six novel interaction products of substituted biphenyl, 6H-benzo-[c]-chromene[6]-one, chromeno[5,4,3-cde]chromene-5,10-dione, and 4,10-dioxa-pyrene-5,9-dione are isolated. The study, therefore impact the...
Article
This study focused on the development of the accurate and precise quantitative method for the determination of pesticides bromacil (1), terbacil (2), lenacil (3), butafenacil (4) and flupropacil (5) in fruit based soft drinks. Three different types of drinks are bought from market; huddled orange fruit drink (100%) (I), red-oranges (II) and multivi...
Article
Since primary environmental concept for long storage of nuclear waste involved assessment of water in uranium complexes depending on migration processes, the paper emphasized solid-state matrix-assisted laser desorption/ionization (MALDI) mass spectrometric (MS) and IR spectroscopic determination of UO2(NO3)2·6H2O; UO2(NO3)2·3H2O, α-, β-, and γ-UO3...
Article
This paper reports about the electrospray ionization mass spectrometric and quantum chemical study of unique coupling reaction of dihydroxybenzaldehydes in strong basic medium, which in the presence of SnIVCl4 yielded series of condensation products through the homo Dies-Alder reaction of the bicyclohexyl-4,6,4′,6′-tetraene-2,3,2′,3′-tetraone (2)....
Article
The experimental and theoretical spectroscopic and spectrometric elucidation in solid-state and gas-phase on the interacting ionic species of applied oriented synthetic derivatives on the base of the stilbazolium salts as molecular template was reported. The correlation between the molecular structure, and vibrational properties within THz-regime (...
Article
A series ten novel analogs based on a novel template pyrrolo-quinazolino-quinolines, containing Luotonin-A (Luot-A) and 14-aza-camptothecin (14-aza-CPT) molecular core as well as their inclusion complexes in the native α- (α-CD), β- (β-CD) and γ- (β-CD) cyclodextrins were obtained. The physical properties of the alkaloids and corresponding molecula...

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