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1

Thermodynamic and kinetic secondary isotope effects in the Cope rearrangement

Sunko, Dionis E., Humski, Kresimir., Malojcic, Rajko., Borcic, Stanko.

Journal:

Journal of the American Chemical Society

Year:

1970

Language:

english

File:

PDF, 623 KB

english, 1970

2

Experimental and Theoretical IR Spectra of the 2-Norbornyl Cation

Dr. Wolfram Koch, Dr. Bowen Liu, Dr. Douglas J. DeFrees, Prof. Dionis E. Sunko, Dr. Hrvoj Vancčik

Journal:

Angewandte Chemie International Edition

Year:

1990

Language:

english

File:

PDF, 348 KB

english, 1990

3

The Nature of the 7-Norbornyl Cation and its Rearrangement into the 2-Norbornyl Cation

Stefan Sieber, Prof. Dr. Paul von Ragué Schleyer, Dr. Hrvoj Vančik, Dipl.-Chem. Milan Mesić, Prof. Dr. Dionis E. Sunko

Journal:

Angewandte Chemie International Edition

Year:

1993

Language:

english

File:

PDF, 329 KB

english, 1993

4

ChemInform Abstract: C—H Hyperconjugation in α-Chlorocarbocations.

Milan Mesic, Igor Novak, Dionis E. Sunko, Hrvoj Vancik

Journal:

Year:

1999

File:

PDF, 29 KB

1999

5

1H NMR study of mixed and inverse micelles: Solven effects on chemical shifts of aromatic and heterocyclic protons in some N-methylnicotinyl and N-methylisonicotinyl esters

Branko Juršić, Dionis E. Sunko

Journal:

Bioorganic Chemistry

Year:

1988

Language:

english

File:

PDF, 457 KB

english, 1988

6

Hydrolysis of N-methylnicotinyl and N-methylisonicotinyl esters and some n-participating derivatives under micellar conditions

Branko Jursˇić, Mladen Ladika, Dionis E. Sunko

Journal:

Year:

1987

Language:

english

File:

PDF, 634 KB

english, 1987

7

Solvolysis of 3-alkenyl-2-cyclohexenyl estrs

Branko Juršić, Mladen Ladika, Branka Bosner, Renata Kobetić, Dionis E. Sunko

Journal:

Year:

1988

Language:

english

File:

PDF, 483 KB

english, 1988

8

A search for maximal neighboring group participation in Solvolyses of allylic substrates. Ethanolysis of 2-(ω-alkylthioalkyl)-3-methyl-2-cyclohexenyl p-nitrobenzoates

Branko S. Jursic, Mladen Ladika, Dionis E. Sunko

Journal:

Year:

1993

Language:

english

File:

PDF, 808 KB

english, 1993

9

Solvolysis of 2-(2-methoxyethyl)-3-methyl-2-cyclohexenyl p-nitrobenzoate : A case of non-participation of methoxy group

Branko Juršić, Mladen Ladika, Dionis E. Sunko

Journal:

Year:

1986

Language:

english

File:

PDF, 389 KB

english, 1986

10

The influence of hydrogen bonding on the solvolytic reactivity of nicotinates in fluorinated alcohols

Branko Juršić, Dionis E. Sunko, Mladen Ladika

Journal:

Year:

1987

Language:

english

File:

PDF, 574 KB

english, 1987

11

Neighboring sulfur participation in the solvolysis of 2-(ω-alkylthioalkyl)-3-methyl-2-cyclohexenyl p-nitrobenzoates

Mladen Ladika, Branko Juršić, Zlatko Mihalić, Dionis E. Sunko

Journal:

Tetrahedron Letters

Year:

1986

Language:

english

File:

PDF, 268 KB

english, 1986

12

Model calculations of secondary deuterium isotope effects in hydrogen bridged carbonium ions

Charles F. Wilcox Jr., Ivanka Szele, Dionis E. Sunko

Journal:

Tetrahedron Letters

Year:

1975

Language:

english

File:

PDF, 229 KB

english, 1975

13

1H nmr study of hydrogen bonding of fluorinated alcohols with ethers

Branko Juršić, Mladen Ladika, Dionis E. Sunko

Journal:

Tetrahedron Letters

Year:

1985

Language:

english

File:

PDF, 128 KB

english, 1985

14

Hydrogen-bonding interactions of monosubstituted benzenes with fluoroalkanols and fluoroalkyl ethers

Mladen Ladika, Branko Juršić, Dionis E. Sunko

Journal:

Spectrochimica Acta Part A: Molecular Spectroscopy

Year:

1986

Language:

english

File:

PDF, 392 KB

english, 1986

15

Solvolysis of 2-(ω-alkoxyalkyl)-3-methyl-2-cyclohexenyl p-nitrobenzoates : Search for neighboring oxygen participation

Mladen Ladika, Branko Juršić, Dionis E. Sunko

Journal:

Year:

1987

Language:

english

File:

PDF, 830 KB

english, 1987

16

On the conformational dependence of secondary .beta.-deuterium isotope effects

DeFrees, Douglas J., Hehre, Warren J., Sunko, Dionis E.

Journal:

Journal of the American Chemical Society

Year:

1979

Language:

english

File:

PDF, 621 KB

english, 1979

17

Solvolysis of 2-alkenyl-2-cyclohexenyl p-nitrobenzoates

Ladika, Mladen, Sunko, Dionis E.

Journal:

Journal of Organic Chemistry

Year:

1985

Language:

english

File:

PDF, 504 KB

english, 1985

18

Hyperconjugation and homohyperconjugation in the 1-adamantyl cation. Qualitative models for .gamma.-deuterium isotope effects

Sunko, Dionis E., Hirsl-Starcevic, S., Pollack, Steven K., Hehre, Warren J.

Journal:

Journal of the American Chemical Society

Year:

1979

Language:

english

File:

PDF, 956 KB

english, 1979

19

Secondary Deuterium Isotope Effects in Solvolyses of Small-Ring Compounds

Marija Nikoletic, Stanko Borcic and Dionis E. Sunko

Journal:

Proceedings of the National Academy of Sciences

Year:

1964

Language:

english

File:

PDF, 172 KB

english, 1964

20

Solid-state chemistry in antimony pentafluoride matrixes. Infrared spectra of reactive intermediates

Vancik, Hrvoj, Sunko, Dionis E.

Journal:

Journal of the American Chemical Society

Year:

1989

Language:

english

File:

PDF, 421 KB

english, 1989

21

Secondary deuterium isotope effects in solvolysis of 1-aryl-5-methyl-5-hepten-1-yl chlorides. Comparison of .pi. and n participation mechanisms

Polla, Eugenio, Borcic, Stanko, Sunko, Dionis E.

Journal:

Journal of Organic Chemistry

Year:

1979

Language:

english

File:

PDF, 690 KB

english, 1979

22

Synthesis ofDL-2-Mercaptohistidine-α-C 14 and DL-Ergothioneine-α-C 14 1

Sunko, Dionis E., Wolf, George

Journal:

Journal of the American Chemical Society

Year:

1958

Language:

english

File:

PDF, 293 KB

english, 1958

23

Methyl-d3 isotope effects, .alpha.-methyl hydrogen rate effects, and the analysis of some solvolytic reaction mechanisms

Fisher, Robert D., Seib, Richard C., Shiner, Vernon J., Szele, Ivanka, Tomic, Mihovil, Sunko, Dionis E.

Journal:

Journal of the American Chemical Society

Year:

1975

Language:

english

File:

PDF, 728 KB

english, 1975

24

Nonconcertedness of allylic cation promoted .pi.-cyclization reactions

Ladika, Mladen, Bregovec, Ivo, Sunko, Dionis E.

Journal:

Journal of the American Chemical Society

Year:

1981

Language:

english

File:

PDF, 244 KB

english, 1981

25

Hydrogen participation vs. elimination. The role and fate of neighboring hydrogen in solvolysis of neomenthyl tosylate

Hirsl-Starcevic, Sanja, Majerski, Zdenko, Sunko, Dionis E.

Journal:

Journal of Organic Chemistry

Year:

1980

Language:

english

File:

PDF, 764 KB

english, 1980

26

Chloromethyl cations in cryogenic antimony pentafluoride matrixes and the generation of carbocations from hydrocarbons

Vancik, Hrvoj, Percac, Ksenija, Sunko, Dionis E.

Journal:

Journal of the American Chemical Society

Year:

1990

Language:

english

File:

PDF, 283 KB

english, 1990

27

Secondary Hydrogen Isotopes Effects. IV. Solvolysis Rates of Specifically Deuterium Labeled Cyclopropylmethyl Benzenesulfonates

Borcic, Stanko., Nikoletic, Marija., Sunko, Dionis E.

Journal:

Journal of the American Chemical Society

Year:

1962

Language:

english

File:

PDF, 808 KB

english, 1962

28

n Participation and secondary deuterium isotope effects in solvolysis of 1-aryl-4-methoxy-1-butyl chlorides. Are there two distinct k.DELTA. pathways?

Mihel, Ivan, Sistek, Josip, Borcic, Stanko, Humski, Kresimir, Sunko, Dionis E.

Journal:

Journal of Organic Chemistry

Year:

1979

Language:

english

File:

PDF, 837 KB

english, 1979

29

Secondary Deuterium Kinetic Isotope Effects in Acetolysis of 2-Norbornyl-6- d Brosylates

Jerkunica, Josko M., Borcic, Stanko., Sunko, Dionis E.

Journal:

Journal of the American Chemical Society

Year:

1967

Language:

english

File:

PDF, 378 KB

english, 1967

30

The 7-norbornyl cation. Structure and interactions

Sunko, Dionis E., Vancik, Hrvoj, Deljac, Vjera, Milun, Milorad

Journal:

Journal of the American Chemical Society

Year:

1983

Language:

english

File:

PDF, 683 KB

english, 1983

31

THE NON-EQUIVALENCY OF METHYLENE RING CARBON ATOMS IN THE SOLVOLYSIS OF CYCLOPROPYLMETHYL DERIVATIVES

Borčić, Stanko, Sunko, Dionis E.

Journal:

Journal of the American Chemical Society

Year:

1961

Language:

english

File:

PDF, 139 KB

english, 1961

32

Leaving group rate ratios in solvolytic displacement reactions. Effect of neighboring sulfur

Sunko, Dionis E., Jursic, Branko, Ladika, Mladen

Journal:

Journal of Organic Chemistry

Year:

1987

Language:

english

File:

PDF, 461 KB

english, 1987

33

The alleged isolable 1,4,5,6-tetrachloro-7,7-dimethoxynorbornadiene-2,3-dicarboxylic anhydride

Jones, David W., Sunko, Dionis E., Thornton-Pett, Mark

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1994

Language:

english

File:

PDF, 525 KB

english, 1994

34

C–H Hyperconjugation in α-chlorocarbocations

Mesić, Milan, Novak, Igor, Sunko, Dionis E., Vančik, Hrvoj

Journal:

Journal of the Chemical Society Perkin Transactions 2

Year:

1998

Language:

english

File:

PDF, 145 KB

english, 1998

35

Crystal structure and synthesis of a quadricyclane derivative

Matija?bi?, Ivanka, Ugozzoli, Franco, Bocelli, Gabriele, Van?ik, Hrvoj, Sunko, Dionis E.

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1986

Language:

english

File:

PDF, 172 KB

english, 1986

36

Rearrangement of bicyclo[3.2.0]heptyl precursors to the 7-norbornyl cation in the cryogenic SbF5 matrix

Mesi?, Milan, Sunko, Dionis E., Van?ik, Hrvoj

Journal:

Journal of the Chemical Society Perkin Transactions 2

Year:

1994

Language:

english

File:

PDF, 355 KB

english, 1994

37

The role of norcaradiene intermediates in the rearrangement of norbornadien-7-one acetals

Sunko, Dionis E., Lovri?, Zdravko, Van?ik, Hrvoj

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1985

Language:

english

File:

PDF, 153 KB

english, 1985

38

Isolation and the IR spectra of chloro- and bromo-ethyl cations in cryogenic SbF5 matrices

Van?ik, Hrvoj, Perca?, Ksenija, Sunko, Dionis E.

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1991

Language:

english

File:

PDF, 215 KB

english, 1991

39

Complexes of ketones with SbF5 in the condensed phase. Structural effects on the carbonyl stretching frequencies

Van?ik, Hrvoj, Gabelica, Vesna, Mihali?, Zlatko, Sunko, Dionis E.

Journal:

Journal of the Chemical Society Perkin Transactions 2

Year:

1994

Language:

english

File:

PDF, 525 KB

english, 1994

40

Characteristic frequencies of hydrogen-bridged carbocations. IR spectra and ab initio calculations of the nonclassical structures of the cyclooctyl cation

Buzek, Peter, von Ragu� Schleyer, Paul, Van?ik, Hrvoj, Sunko, Dionis E.

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1991

Language:

english

File:

PDF, 289 KB

english, 1991

41

Hydrolysis of Cyclopentenyl-alkyl-N-methyl Nicotinates in Micelles and Cyclodextrines

Kobetic, Renata, Sunko, Dionis

Journal:

Supramolecular Chemistry

Year:

2007

Language:

english

File:

PDF, 233 KB

english, 2007

42

Selective Reduction of Cyclohexanones with NaBH4 in β-Cyclodextrin, PEG-400, and Micelles

Kobetic, Renata, Petrovic-Perokovic, Vesna, Kljucaric, Valentina, Jursic, Branko, Sunko, Dionis

Journal:

Supramolecular Chemistry

Year:

2007

Language:

english

File:

PDF, 119 KB

english, 2007

43

Die Struktur des 7-Norbornyl-Kations und seine Umlagerung in das 2-Norbornyl-Kation

Sieber, Stefan, Schleyer, Paul von Ragné, Vančik, Hrvoj, Mesić, Milan, Sunko, Dionis E.

Journal:

Angewandte Chemie

Year:

1993

File:

PDF, 363 KB

1993

44

ChemInform Abstract: THERMODYNAMISCHE UND KINETISCHE SEK. ISOTOPEN-EFFEKTE BEI DER COPE-UMLAGERUNG (VON HEXADIENEN-(1,5) UND 3,3-DICYAN-2-AETHYL-1-METHYL-HEXADIENEN-(1,5))

HUMSKI, KRESIMIR, MALOJCIC, RAJKO, BORCIC, STANKO, SUNKO, DIONIS E.

Journal:

Chemischer Informationsdienst. Organische Chemie

Year:

1971

File:

PDF, 95 KB

1971

45

ChemInform Abstract: METHYL-D(3) ISOTOPE EFFECTS, ALPHA-METHYL HYDROGEN RATE EFFECTS, AND THE ANALYSIS OF SOME SOLVOLYTIC REACTION MECHANISMS

FISHER, ROBERT D., SEIB, RICHARD C., SHINER, VERNON J. JUN., SZELE, IVANKA, TOMIC, MIHOVIL, SUNKO, DIONIS E.

Journal:

Chemischer Informationsdienst

Year:

1975

File:

PDF, 104 KB

1975

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