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1

Spectral properties of aza-15-crown-5 containing styryl dyes

L. Antonov, N. Mateeva, M. Mitewa, St. Stoyanov

Journal:

Dyes and Pigments

Year:

1996

Language:

english

File:

PDF, 340 KB

english, 1996

2

Synthesis, structure and antimicrobial activity of manganese(II) and cobalt(II) complexes of the polyether ionophore antibiotic Sodium Monensin A

Petar Dorkov, Ivayla N. Pantcheva, William S. Sheldrick, Heike Mayer-Figge, Rositza Petrova, Mariana Mitewa

Journal:

Journal of Inorganic Biochemistry

Year:

2008

Language:

english

File:

PDF, 454 KB

english, 2008

3

Thermally dependent structure of the Ni(II)-hexacyclen complex

M. Mitewa, P.R. Bontchev, G. Gencheva, E. Zhecheva, K. Kabassanov

Journal:

Inorganica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 173 KB

english, 1990

4

Co(II) complex with N6-macrocyclic ligand hexacyclen

M. Mitewa, P.R. Bontchev, D. Vassileva, E. Zhecheva, D. Mechandjiev, K. Kabassanov

Journal:

Inorganica Chimica Acta

Year:

1987

Language:

english

File:

PDF, 140 KB

english, 1987

5

A new iron(II) complex with the N6-macrocyclic ligand hexacyclen with a thermally dependent structure

M. Mitewa, P.R. Bontchev, V. Russanov, E. Zhecheva, D. Mechandjiev, K. Kabassanov

Journal:

Year:

1991

Language:

english

File:

PDF, 367 KB

english, 1991

6

High-performance liquid and gas chromatography of dialkylphosphates, dialkylthiophosphates and dialkyldithiophosphates as their pentafluorobenzyl derivatives

V. Bardarov, M. Mitewa

Journal:

Journal of Chromatography A

Year:

1989

Language:

english

File:

PDF, 670 KB

english, 1989

7

Crystal Structure of a New Allotropic Form of trans -Pd(Creat) 2 Cl 2 ·2H 2 O

Mitewa, M., Todorov, T., Gencheva, G., Angelova, O., Bakalova, T.N.

Journal:

Journal of Coordination Chemistry

Year:

2002

Language:

english

File:

PDF, 139 KB

english, 2002

8

ChemInform Abstract: Divalent Metal Complexes of the Monovalent Polyether Ionophorous Antibiotic Monensin

I. N. Pantcheva, R. Zhorova, M. Io. Mitewa, W. S. Sheldick

Journal:

Year:

2010

File:

PDF, 15 KB

2010

9

Cobalt(II), Nickel(II), Copper(II), and Zinc(II) Complexes with a p-tert-Butylcalix[4]arene Fitted with Phosphinoyl Pendant Arms

Vladimira Videva, Anne-Sophie Chauvin, Sabi Varbanov, Christophe Baux, Rosario Scopelliti, Mariana Mitewa, Jean-Claude G. Bünzli

Journal:

European Journal of Inorganic Chemistry

Year:

2004

Language:

english

File:

PDF, 147 KB

english, 2004

10

Isotopic effect in the process of chromium(V) complex formation in the course of ethylene glycol oxidation by dichromate

M. Mitewa, P.R. Bontchev, K. Kabassanov, A. Malinovski

Journal:

Inorganic and Nuclear Chemistry Letters

Year:

1975

Language:

english

File:

PDF, 199 KB

english, 1975

11

Mechanism of Cr(IV) and Cr(V) complex formation during the photochemical Cr(VI)-oxalic acid interaction in nonaqueous medium

P. Russev, P.R. Bontchev, M. Mitewa, A. Malinovski

Journal:

Inorganic and Nuclear Chemistry Letters

Year:

1980

Language:

english

File:

PDF, 277 KB

english, 1980

12

Styryl dyes containing an aza-15-crown-5 macroheterocycle moiety

N. Mateeva, T. Deligeorgiev, M. Mitewa, S. Simova

Journal:

Dyes and Pigments

Year:

1992

Language:

english

File:

PDF, 391 KB

english, 1992

13

Spectrophotometric investigation of the complex formation of aza-15-crown-5 containing styryl dyes with Ba2+ and Ca2+ cations

M. Mitewa, N. Mateeva, L. Antonov, T. Deligeorgiev

Journal:

Dyes and Pigments

Year:

1995

Language:

english

File:

PDF, 279 KB

english, 1995

14

“Platinum blue” complex with a new type of bridging ligand

M. Mitewa, G. Gencheva, M. Mechkova

Journal:

Journal of Inorganic Biochemistry

Year:

1994

Language:

english

File:

PDF, 241 KB

english, 1994

15

Cu(II) complexes of cynnamyl derivative of the antibiotic rifampicin

M. Mitewa, G. Gencheva, G. Gochev, L. Antonov, P.R. Bontchev

Journal:

Journal of Inorganic Biochemistry

Year:

1995

File:

PDF, 29 KB

1995

16

X-ray and 57Fe Mössbauer study on a Fe(III) complex of 2-acetyl-1,3-indandione

Anife Ahmedova, Ventzislav Rusanov, Alan Hazell, Juliusz A. Wolny, Georgi Gochev, Alfred X. Trautwein, Mariana Mitewa

Journal:

Inorganica Chimica Acta

Year:

2006

Language:

english

File:

PDF, 290 KB

english, 2006

17

Nickel(II) and zinc(II) dimonensinates: Single crystal X-ray structure, spectral properties and bactericidal activity

Ivayla N. Pantcheva, Juliana Ivanova, Rumyana Zhorova, Mariana Mitewa, Svetlana Simova, Heike Mayer-Figge, William S. Sheldrick

Journal:

Inorganica Chimica Acta

Year:

2010

Language:

english

File:

PDF, 613 KB

english, 2010

18

Spectroscopic aspects of the coordination modes of 2,4-dithiohydantoins: Experimental and theoretical study on copper and nickel complexes of cyclohexanespiro-5-(2,4-dithiohydantoin)

Anife Ahmedova, Petja Marinova, Katarzyna Paradowska, Neyko Stoyanov, Iwona Wawer, Mariana Mitewa

Journal:

Inorganica Chimica Acta

Year:

2010

Language:

english

File:

PDF, 708 KB

english, 2010

19

Two cycloalkanespiro-5-(2-thiohydantoins): Synthesis, spectral and structural characterization

Anife Ahmedova, Gordana Pavlović, Marin Marinov, Neyko Stoyanov, Dubravka Šišak, Mariana Mitewa

Journal:

Journal of Molecular Structure

Year:

2009

Language:

english

File:

PDF, 563 KB

english, 2009

20

Infrared spectra of Pt(II) creatinine complexes. Normal coordinate analysis of creatinine and Pt(creat)2(NO2)2

N. Trendafilova, A.P. Kurbakova, I.A. Efimenko, M. Mitewa, P.R. Bontchev

Journal:

Spectrochimica Acta Part A: Molecular Spectroscopy

Year:

1991

Language:

english

File:

PDF, 586 KB

english, 1991

21

Laser pulse photolysis study of the reaction of the intermediate platinum(III) complex PtCl2−5 and 4-(2-p-dimethylaminophenyl ethynil)-6,6-dimethyl-3-cyano-5,6-dihydro-2(1H)-pyridone

V.P. Grivin, I.V. Khmelinski, V.F. Plyusnin, M. Mitewa, J. Angelova, E. Dimitrova, P.R. Bontchev

Journal:

Journal of Photochemistry and Photobiology A: Chemistry

Year:

1992

Language:

english

File:

PDF, 546 KB

english, 1992

22

Synthesis, structure, spectral and coordination properties of a crown ether derivative of 1,3-indandione. A new structural evidence for the versatile reactivity of 2-acetyl-1,3-indandione

Anife Ahmedova, Nikola Burdzhiev, Samuele Ciattini, Elena Stanoeva, Mariana Mitewa

Journal:

Comptes Rendus Chimie

Year:

2010

Language:

english

File:

PDF, 379 KB

english, 2010

23

Copper complexes of two cycloalkanespiro-5-dithiohydantoins: Synthesis, oxidation states and characterization

Anife Ahmedova, Petja Marinova, Georgi Tyuliev, Mariana Mitewa

Journal:

Inorganic Chemistry Communications

Year:

2008

Language:

english

File:

PDF, 184 KB

english, 2008

24

Crystal structure and properties of the copper(II) complex of sodium monensin A

Ivayla N. Pantcheva, Petar Dorkov, Vasil N. Atanasov, Mariana Mitewa, Boris L. Shivachev, Rosica P. Nikolova, Heike Mayer-Figge, William S. Sheldrick

Journal:

Journal of Inorganic Biochemistry

Year:

2009

Language:

english

File:

PDF, 384 KB

english, 2009

25

Synthesis and characterization of copper(II) and nickel(II) complexes of (9′-fluorene)-spiro-5-dithiohydantoin

Anife Ahmedova, Petja Marinova, Katarzyna Paradowska, Marin Marinov, Mariana Mitewa

Journal:

Journal of Molecular Structure

Year:

2008

Language:

english

File:

PDF, 417 KB

english, 2008

26

Phosphoamide – modified p-tert-butyl calix[4]arene and its sodium complexes: Synthesis, coordination ability and structure

Vladimira Videva, Tania Tosheva, Anne-Sophie Chauvin, Stoycho Shenkov, Rosica Petrova, Rosario Scopelliti, Emil Tashev, Sabi Varbanov, Mariana Mitewa

Journal:

Year:

2006

Language:

english

File:

PDF, 356 KB

english, 2006

27

Structure of 2,4-dithiohydantoin complexes with copper and nickel: Solid-state NMR as verification method

Anife Ahmedova, Petja Marinova, Katarzyna Paradowska, Marin Marinov, Iwona Wawer, Mariana Mitewa

Journal:

Year:

2010

Language:

english

File:

PDF, 727 KB

english, 2010

28

Cr(V) complex species with crown ethers

M. Mitewa, P. Russev, P.R. Bontchev, K. Kabassanov, A. Malinovski

Journal:

Inorganica Chimica Acta

Year:

1983

Language:

english

File:

PDF, 311 KB

english, 1983

29

Structure of Ni(II)-creatinine complex species formed in non-aqueous media

M. Mitewa, G. Gencheva, P.R. Bontchev, E. Zhecheva, V. Nefedov

Journal:

Inorganica Chimica Acta

Year:

1989

Language:

english

File:

PDF, 393 KB

english, 1989

30

EPR study on dichromate-dithizone interaction in nonaqueous medium

P. Russev, P.R. Bontchev, M. Mitewa, A. Malinovski

Journal:

Inorganica Chimica Acta

Year:

1979

Language:

english

File:

PDF, 352 KB

english, 1979

31

Quantum chemical and spectroscopic study of the structure of 2-acetylindan-1,3-dione complexes with metal(II) ions

Venelin Enchev, Anife Ahmedova, Galya Ivanova, Iwona Wawer, Neyko Stoyanov, Mariana Mitewa

Journal:

Journal of Molecular Structure

Year:

2001

Language:

english

File:

PDF, 259 KB

english, 2001

32

Spectroscopic and quantum chemical study of the structure of a new paramagnetic dimeric palladium(II,III) complex with creatine

Mariana Mitewa, Venelin Enchev, Tatyana Bakalova

Journal:

Journal of Molecular Structure

Year:

2002

Language:

english

File:

PDF, 99 KB

english, 2002

33

Reaction of 2-acetyl-indane-1,3-dione with aniline - Schiff base or enamine?

Venelin Enchev, Galya Ivanova, Gordana Pavlović, Marin Rogojerov, Anife Ahmedova, Mariana Mitewa

Journal:

Journal of Molecular Structure

Year:

2003

Language:

english

File:

PDF, 273 KB

english, 2003

34

Synthesis and spectroscopic properties of new Schiff bases containing the N-phenylaza-15-crown-5 moiety

Maria P Vladimirova, Svetlana D Simova, Elena R Stanoeva, Mariana I Mitewa

Journal:

Dyes and Pigments

Year:

2001

Language:

english

File:

PDF, 147 KB

english, 2001

35

Absolute structure of a new paramagnetic platinum(II)-creatinine complex with a columnar structure

G. Gencheva, M. Mitewa, P.R. Bontchev, G. Gochev, J. Macicek, E. Zhecheva, N.D. Yordanov

Journal:

Year:

1992

Language:

english

File:

PDF, 432 KB

english, 1992

36

Complexation of copper(II), platinum(II,III) and palladium(II) with 5,5′-diphenylthiohydantoin in organic and alkaline-water-organic media

Journal:

Year:

1992

Language:

english

File:

PDF, 474 KB

english, 1992

37

Dimeric and oligomeric platinum(II, II), (II, III) and palladium(II, II) complexes with creatinine

G. Gencheva, M. Mitewa, P.R. Bontchev

Journal:

Year:

1992

Language:

english

File:

PDF, 431 KB

english, 1992

38

Complex formation of monomeric and dimeric copper(II) complexes with creatinine in organic media

M. Mitewa, G. Gencheva, I. Ivanova, E. Zhecheva, D. Mechandjiev

Journal:

Year:

1991

Language:

english

File:

PDF, 445 KB

english, 1991

39

A four-membered chelate complex of Cu(II) with creatinine

M. Mitewa, P.R. Bontchev, K. Kabassanov

Journal:

Year:

1985

Language:

english

File:

PDF, 222 KB

english, 1985

40

Pyrophthalone and its derivatives as ligands—I. Mode of coordination—formation of isomeric iminopyrophthalone complexes

M. Mitewa, P.R. Bontchev, M. Kashchieva, S. Minchev, V. Bardarov, G. Werner

Journal:

Year:

1986

Language:

english

File:

PDF, 290 KB

english, 1986

41

Structure of six- and seven-membered cyclic- β-diketones and their metal(II) complexes

Margarita Kashchieva, Neyko Stoyanov, Venelin Enchev, Stoyan Minchev, Panayot R. Bontchev, Mariana Mitewa

Journal:

Year:

1997

Language:

english

File:

PDF, 391 KB

english, 1997

42

IR study of the N,N′,N″-triphenylguanidine and its imine nitrogen coordinated Pd(II) complexes

I. Georgieva, N. Mintcheva, N. Trendafilova, M. Mitewa

Journal:

Vibrational Spectroscopy

Year:

2001

Language:

english

File:

PDF, 154 KB

english, 2001

43

2-Acetylindan-1,3-dione and its Cu2+ and Zn2+ complexes as promising sunscreen agents

A. Ahmedova, V. Mantareva, V. Enchev, M. Mitewa

Journal:

International Journal of Cosmetic Science

Year:

2002

Language:

english

File:

PDF, 431 KB

english, 2002

44

Cd(II) and Pb(II) complexes of the polyether ionophorous antibiotic salinomycin

Juliana Ivanova, Ivayla N Pantcheva, Mariana Mitewa, Svetlana Simova, Makoto Tanabe, Kohtaro Osakada

Journal:

Chemistry Central Journal

Year:

2011

Language:

english

File:

PDF, 845 KB

english, 2011

45

E.P.R. study on Cr(V) Complex Formation with thenoyltrifluoracetone and some monothio-β-diketones in nonaqueous medium

P. Russev, Dr. P. R. Bontchev, Dr. M. Mitewa, Dr. H. Müller

Journal:

Advanced Synthesis & Catalysis

Year:

1980

Language:

english

File:

PDF, 278 KB

english, 1980

46

Copper(II) Complexes of Pyrophthalone and Iminopyrophthalone

Dr. P. R. Bontchev, Dr. M. Mitewa, Dr. S. Minchev, M. Kashchieva, Dr. D. Mechandjiev

Journal:

Advanced Synthesis & Catalysis

Year:

1983

Language:

english

File:

PDF, 394 KB

english, 1983

47

Complexation Ability of Quinophthalone

Dr. M. Mitewa, Dr. P. R. Bontchev, V. Enchev, Dr. S. Minchev, M. Kashchieva

Journal:

Advanced Synthesis & Catalysis

Year:

1985

File:

PDF, 264 KB

1985

48

Stability Constants of Cu(II) Complexes with Acid Hydrazides

Dr. A. Zvetanova, Dr. M. Mitewa, Dr. M. Boneva

Journal:

Advanced Synthesis & Catalysis

Year:

1987

Language:

english

File:

PDF, 211 KB

english, 1987

49

Copper(II) Complexes with 1H-Indene-1,3(2H)-diones derivatives

Dr. N. Sofroniev, Doz. M. Mitewa, Prof. P. R. Bontchev, M. Kashchieva, Doz. S. Minchev

Journal:

Advanced Synthesis & Catalysis

Year:

1989

Language:

english

File:

PDF, 254 KB

english, 1989

50

Pyrophthalone and its derivatives as ligands. II. New Type of Pyrophthalone Coordination

Doz. M. Mitewa, Prof. P. R. Bontchev, Dr. E. Zhecheva, Prof. D. Mechandjiev, Doz. S. Minchev, M. Kashchieva, K. Kabassanov

Journal:

Advanced Synthesis & Catalysis

Year:

1990

Language:

english

File:

PDF, 234 KB

english, 1990