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1

14N NMR studies on some azolopyridines using a differential saturation method

M Witanowski, L Stefaniak, S Szymański, Z Grabowski, G.A Webb

Journal:

Journal of Magnetic Resonance (1969)

Year:

1969

Language:

english

File:

PDF, 645 KB

english, 1969

2

Optimization of an axial turbine for a small scale ORC waste heat recovery system

Witanowski, Å., Klonowicz, P., Lampart, P., Suchocki, T., JÄdrzejewski, Å., Zaniewski, D., Klimaszewski, P.

Journal:

Year:

2020

File:

PDF, 7.50 MB

2020

3

Research and applications of active bearings: A state-of-the-art review

BreÅkacz, Åukasz, Witanowski, Åukasz, DrosiÅska-Komor, Marta, Szewczuk-Krypa, Natalia

Journal:

Mechanical Systems and Signal Processing

Year:

2021

File:

PDF, 964 KB

2021

4

Solvent induced nitrogen NMR shielding variations of some covalent isocyanates

M. Witanowski, Z. Biedrzycka, W. Sicinska, G.A. Webb

Journal:

Journal of Molecular Structure

Year:

1994

Language:

english

File:

PDF, 794 KB

english, 1994

5

Über den scharfen Stoff des Wasserpfeffers Polygonum Hydropiper L

W. R. Witanowski, H. P. Krynska

Journal:

Naunyn-Schmiedeberg's Archives of Pharmacology

Year:

1933

Language:

german

File:

PDF, 737 KB

german, 1933

6

Structural studies on some 1,3,5,7-tetraazabicyclo-[3.3.1]-nonane derivatives

L. Stefaniak, T. Urbanski, M. Witanowski, A.R. Farminer, G.A. Webb

Journal:

Year:

1974

Language:

english

File:

PDF, 322 KB

english, 1974

7

Solvent-induced variations in nitrogen NMR shieldings of tert-butyl isocyanide as a probe for solvent polarizability–polarity

Michal Witanowski, Wanda Sicinska, Graham A. Webb

Journal:

Magnetic Resonance in Chemistry

Year:

1992

Language:

english

File:

PDF, 356 KB

english, 1992

8

Nitrogen and carbon NMR of some benzofuroxans

M. Witanowski, L. Stefaniak, S. Biernat, G. A. Webb

Journal:

Magnetic Resonance in Chemistry

Year:

1980

Language:

english

File:

PDF, 295 KB

english, 1980

9

Solvent effects on nitrogen NMR shieldings of 1,2,4-triazine

M Witanowski, W Sicinska, G.A Webb

Journal:

Journal of Magnetic Resonance (1969)

Year:

1969

Language:

english

File:

PDF, 356 KB

english, 1969

10

Indirect carbon–carbon spin–spin couplings across one, two and three bonds in pyridine and diazine systems: experiment and theory

Michal Witanowski, Krystyna Kamieńska-Trela, Zenobia Biedrzycka, Magdalena Bechcicka

Journal:

Journal of Physical Organic Chemistry

Year:

2008

Language:

english

File:

PDF, 345 KB

english, 2008

11

Selection of dipivalomethanate chelates as shift reagents for nitrogen-14 nuclear magnetic resonance

Witanowski, M., Stefaniak, L., Januszewski, H., Wolkowski, Z. W.

Journal:

Journal of the Chemical Society D Chemical Communications

Year:

1971

Language:

english

File:

PDF, 192 KB

english, 1971

12

ChemInform Abstract: STRUCTURAL INCREMENTS IN UV SPECTRA OF CONJUGATED CARBONYL COMPOUNDS. PART II. NDO/S-CI CALCULATION OF ELECTRONIC SPECTRA OF ENAMINO ALDEHYDES, ENAMI O KETONES AND ENAMINO AMIDES

KANIA, L., KAMIENSKA-TRELA, K., WITANOWSKI, M.

Journal:

Chemischer Informationsdienst

Year:

1984

File:

PDF, 115 KB

1984

13

Some calculations of the local diamagnetic contribution to nuclear screening constants

M. Jallali-Heravi, G. A. Webb, M. Witanowski

Journal:

Magnetic Resonance in Chemistry

Year:

1979

Language:

english

File:

PDF, 447 KB

english, 1979

14

Spin—spin couplings between 13C nuclei in five-membered heteroaromatic ring systems

Michal Witanowski, Zenobia Biedrzycka

Journal:

Magnetic Resonance in Chemistry

Year:

1994

Language:

english

File:

PDF, 421 KB

english, 1994

15

Nitrogen n.m.r. spectroscopy

Journal:

Pure & Applied Chemistry

Year:

1974

Language:

english

File:

PDF, 297 KB

english, 1974

16

A 15 N NMR Study of the Tautomeric Equilibria of Some 5-Substituted Tetrazoles

Bojarska-Olejnik, Elzbieta, Stefaniak, Lech, Witanowski, Michal, Webb, Graham A.

Journal:

Bulletin of the Chemical Society of Japan

Year:

1986

File:

PDF, 301 KB

1986

17

Radioimmunoimaging of venous thrombi using iodine-131 monoclonal antibody.

Rosebrough, S F, Kudryk, B, Grossman, Z D, McAfee, J G, Subramanian, G, Ritter-Hrncirik, C A, Witanowski, L S, Tillapaugh-Fay, G

Journal:

Year:

1985

Language:

english

File:

PDF, 562 KB

english, 1985

18

[Annual Reports on NMR Spectroscopy] Annual Reports on NMR Spectroscopy Volume 5 Volume 5 || Nitrogen NMR Spectroscopy

Year:

1972

Language:

english

File:

PDF, 3.22 MB

english, 1972

19

Nitrogen NMR shieldings of nitroalkanes as a structural and conformational probe

Michal Witanowski, Zenobia Biedrzycka, Karol Grela, Krystyna Wejroch

Journal:

Magnetic Resonance in Chemistry

Year:

1998

Language:

english

File:

PDF, 259 KB

english, 1998

20

14N NMR nuclear shielding and the electronic structure of dibenzo[1,3a,4,6a]tetrazapentalene

M. Witanowski, J. Sitkowski, W. Sicińska, S. Biernat, G. A. Webb

Journal:

Magnetic Resonance in Chemistry

Year:

1989

Language:

english

File:

PDF, 385 KB

english, 1989

21

ChemInform Abstract: (13)C CHEMICAL SHIFTS OF SOME AZAINDOLIZINES VERSUS ELECTRON CHARGE DISTRIBUTION

WITANOWSKI, M., STAFANIAK, L., SICINSKA, W., WEBB, G. A.

Journal:

Chemischer Informationsdienst

Year:

1980

File:

PDF, 115 KB

1980

22

Solvent Effects on the Nitrogen NMR Shielding of 2-Methyl-2-nitrosopropane and its Azodioxy Dimer

M. Witanowski, Z. Biedrzycka, G. A. Webb

Journal:

Magnetic Resonance in Chemistry

Year:

1996

Language:

english

File:

PDF, 338 KB

english, 1996

23

The assignment of signals in the nitrogen NMR spectra of polycyclic diazines

M. Witanowski, L. Stefaniak, G. A. Webb

Journal:

Magnetic Resonance in Chemistry

Year:

1981

Language:

english

File:

PDF, 237 KB

english, 1981

24

A Study of Solvent Polarity and Hydrogen Bonding Effects on the Nitrogen NMR Shielding of Isomeric Tetrazoles andab InitioCalculation of the Nitrogen Shielding of Azole Systems

M. Witanowski, Z. Biedrzycka, W. Sicinska, Z. Grabowski

Journal:

Journal of Magnetic Resonance

Year:

1998

Language:

english

File:

PDF, 136 KB

english, 1998

25

Nitrogen-14 NMR linewidths as an aid in nitrogen chemical shift assignments

M Witanowski, L Stefaniak, G.A Webb

Journal:

Journal of Magnetic Resonance (1969)

Year:

1969

Language:

english

File:

PDF, 733 KB

english, 1969

26

External neat nitromethane scale for nitrogen chemical shifts

M Witanowski, L Stefaniak, S Szymański, H Januszewski

Journal:

Journal of Magnetic Resonance (1969)

Year:

1969

Language:

english

File:

PDF, 734 KB

english, 1969

27

Solvent effects on nitrogen NMR shieldings in azines

M Witanowski, W Sicinska, S Biernat, G.A Webb

Journal:

Journal of Magnetic Resonance (1969)

Year:

1969

Language:

english

File:

PDF, 670 KB

english, 1969

28

Solvent and protonation effects on nitrogen NMR shieldings of isoamides (α-aminoethers)

M. Witanowski, W. Sicinska, Z. Biedrzycka, G.A. Webb

Journal:

Journal of Molecular Structure

Year:

1997

Language:

english

File:

PDF, 314 KB

english, 1997

29

A Study of the Nitrogen NMR Spectra of Azoles and their Solvent Dependence

Jaszuński, Michał, Mikkelsen, Kurt V., Rizzo, Antonio, Witanowski, Michał

Journal:

Journal of Physical Chemistry A

Year:

2000

Language:

english

File:

PDF, 68 KB

english, 2000

30

ChemInform Abstract: A NITROGEN-14 NMR STUDY OF SOME OXIMES AND THEIR ISOMERIC STRUCTURES

WITANOWSKI, M., STEFANIAK, L., JANUSZEWSKI, H., SZYMANSKI, S., WEBB, G. A.

Journal:

Chemischer Informationsdienst

Year:

1973

File:

PDF, 101 KB

1973

31

Nitrogen NMR chemical shifts of some simple azines interpreted by INDO molecular orbital calculations

M Witanowski, L Stefaniak, H Januszewski, G.A Webb

Journal:

Journal of Magnetic Resonance (1969)

Year:

1969

Language:

english

File:

PDF, 350 KB

english, 1969

32

Nitrogen-14 nuclear magnetic resonance. Part II. Additivity rules for chemical shifts in nitroalkanes

Witanowski, M., Stefaniak, L.

Journal:

Journal of the Chemical Society B Physical Organic

Year:

1967

Language:

english

File:

PDF, 205 KB

english, 1967

33

ChemInform Abstract: Kinetic Studies of the Reaction of Some Nitrosoalkanes with Nitrogen Dioxide.

B. G. GOWENLOCK, B. KING, J. PFAB, M. WITANOWSKI

Journal:

Year:

1998

File:

PDF, 27 KB

1998

34

15N NMR spectroscopy of some azines

L. Stefaniak, John D. Roberts, M. Witanowski, G. A. Webb

Journal:

Magnetic Resonance in Chemistry

Year:

1984

Language:

english

File:

PDF, 451 KB

english, 1984

35

Conformation studies of some sulphurdiimides by spectroscopic techniques

W. Siciṅska, L. Stefaniak, M. Witanowski, G.A. Webb

Journal:

Journal of Molecular Structure

Year:

1987

Language:

english

File:

PDF, 767 KB

english, 1987

36

Solvent polarity and hydrogen-bonding effects on the nitrogen NMR shieldings of N-nitrosamines and DFT calculations of the shieldings of C-, N-, and O-nitroso systems

Michal Witanowski, Zenobia Biedrzycka, Wanda Sicinska, Zbigniew Grabowski

Journal:

Journal of Magnetic Resonance

Year:

2003

Language:

english

File:

PDF, 154 KB

english, 2003

37

14N NMR studies on some 1,2,5-oxadiazoles, their sulphur analogues and N-oxides

M. Witanowski, L. Stefaniak, A. Grabowska, G.A. Webb

Journal:

Spectrochimica Acta Part A: Molecular Spectroscopy

Year:

1978

Language:

english

File:

PDF, 159 KB

english, 1978

38

Monoclonal antibody against human fibrin for imaging thrombi

McAfee, John G., Grossman, Z.D., Rosenbrough, S.F., Subramanian, G., Ritter-Hrncirik, C.A., Witanowski, L.S.

Journal:

International Journal of Radiation Applications and Instrumentation. Part B. Nuclear Medicine and Biology

Year:

1986

Language:

english

File:

PDF, 90 KB

english, 1986

39

Nitrogen-14 nuclear magnetic resonance. Part IV. Aromatic nitrocompounds

Witanowski, M., Stefaniak, L., Webb, G. A.

Journal:

Journal of the Chemical Society B Physical Organic

Year:

1967

Language:

english

File:

PDF, 353 KB

english, 1967

40

Solvent-Induced Effects on the Nitrogen NMR Shieldings of Some Nitrosobenzene Systems

M. Witanowski, Z. Biedrzycka, W. Sicinska, G. A. Webb

Journal:

Magnetic Resonance in Chemistry

Year:

1997

Language:

english

File:

PDF, 260 KB

english, 1997

41

A 15N NMR investigation of some azolopyridines

L. Stefaniak, John D. Roberts, M. Witanowski, B. T. Hamdi, G. A. Webb

Journal:

Magnetic Resonance in Chemistry

Year:

1984

Language:

english

File:

PDF, 421 KB

english, 1984

42

Reaction of nitroparaffins with formaldehyde and ammonia. New 5-nitrohexahydropyrimidine derivatives

B. Kamieński, T. Urbański, M. Witanowski

Journal:

Tetrahedron Letters

Year:

1970

Language:

english

File:

PDF, 145 KB

english, 1970

43

14N NMR of some monosubstituted pyridines

M. Witanowski, L. Stefaniak, H. Januszewski, T. Saluvere, G.A. Webb

Journal:

Advances in Molecular Relaxation Processes

Year:

1973

Language:

english

File:

PDF, 402 KB

english, 1973

44

ChemInform Abstract: CARBON-13 NUCLEAR MAGNETIC RESONANCE EVIDENCE OF THE STRUCTURE OF BENZOTRIFUROXAN

STEFANIAK, L., WITANOWSKI, M., WEBB, G. A.

Journal:

Chemischer Informationsdienst

Year:

1978

File:

PDF, 105 KB

1978

45

A 15N NMR study of some azoles

L. Stefaniak, John D. Roberts, M. Witanowski, G. A. Webb

Journal:

Magnetic Resonance in Chemistry

Year:

1984

Language:

english

File:

PDF, 334 KB

english, 1984

46

The reaction of 1-nitropropane with formaldehyde and ammonia. 1,3-di-(2-nitrobutyl)-5-ethyl-5-nitrohexahydropyrimidine

B. Kamieński, R. Koliński, T. Urbański, M. Witanowski

Journal:

Tetrahedron Letters

Year:

1969

Language:

english

File:

PDF, 121 KB

english, 1969

47

Proton Magnetic Resonance Study of Nitroalkanes

Hofman, W., Stefaniak, L., Urbanski, T., Witanowski, M.

Journal:

Journal of the American Chemical Society

Year:

1964

Language:

english

File:

PDF, 505 KB

english, 1964

48

A Comparative Evaluation of the Dumping Syndrome after Partial Gastrectomy and after Vagotomy with Gastro-enterostomy

Everson, Tilden C., Hutchings, Vernon Z., Eisen, Jesse, Witanowski, Michael F.

Journal:

Annals of Surgery

Year:

1957

File:

PDF, 224 KB

1957

49

ChemInform Abstract: ADDITIVITAETSREGELN FUER (14)N-NMR-VERSCHIEBUNGEN IN AZOLEN

WITANOWSKI, M., STEFANIAK, L., JANUSZEWSKI, H., WEBB, G. A.

Journal:

Chemischer Informationsdienst

Year:

1973

File:

PDF, 102 KB

1973

50

Some INDO/SSOS calculations of the effects of hydrogen bonding on the nitrogen shielding of some heterocycles

B. Na Lamphun, G. A. Webb, M. Witanowski

Journal:

Magnetic Resonance in Chemistry

Year:

1983

Language:

english

File:

PDF, 279 KB

english, 1983

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