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1

Demonstration on Pilot-Plant Scale of the Utility of 1,5,7-Triazabicyclo[4.4.0]dec-5-ene (TBD) as a Catalyst in the Efficient Amidation of an Unactivated Methyl Ester

Weiberth, Franz J., Yu, Yong, Subotkowski, Witold, Pemberton, Clive

Journal:

Organic Process Research & Development

Year:

2012

Language:

english

File:

PDF, 744 KB

english, 2012

2

An improved synthesis of radiolabeled 4-(acetoxymethylnitrosamino)-1-(3-pyridyl)-1-butanone

Lisa A. Peterson, Thomas E. Spratt, Weifeng Shan, Lijuan Wang, Witold Subotkowski, Robert Roth

Journal:

Journal of Labelled Compounds and Radiopharmaceuticals

Year:

2001

Language:

english

File:

PDF, 82 KB

english, 2001

3

13C NMR analysis of specifically labeled [13C] azobenzenes

Henry J. Shine, Witold Subotkowski

Journal:

Magnetic Resonance in Chemistry

Year:

1991

Language:

english

File:

PDF, 257 KB

english, 1991

4

Syntheses and NMR characterizations of epimeric 4-deoxy-4-fluoro carbohydrates

Witold Subotkowski, Dirk Friedrich, Franz J. Weiberth

Journal:

Carbohydrate Research

Year:

2011

Language:

english

File:

PDF, 379 KB

english, 2011

5

Probing transition states of concerted rearrangements for synchronicity: Use of heavy-atom kinetic isotope effects

Henry J. Shine, Lidia Kupczyk-Subotkowska, Witold Subotkowski, Ewa Gruszecka

Journal:

Journal of Molecular Structure: THEOCHEM

Year:

1986

Language:

english

File:

PDF, 317 KB

english, 1986

6

Process Development of Selectively Benzoylated and Fluorinated Glycosyl Donors

Weiberth, Franz J., Gill, Harpal S., Jiang, Ying, Lee, George E., Lienard, Philippe, Pemberton, Clive, Powers, Matthew R., Subotkowski, Witold, Tomasik, Witold, Vanasse, Benoit J., Yu, Yong

Journal:

Organic Process Research & Development

Year:

2010

Language:

english

File:

PDF, 283 KB

english, 2010

7

The benzidine and diphenyline rearrangements revisited. 1-14C and 1,1'-13C2 kinetic isotope effects, transition state differences, and coupled motion in a 10-atom sigmatropic rearrangement

Subotkowski, Witold, Kupczyk-Subotkowska, Lidia, Shine, Henry J.

Journal:

Journal of the American Chemical Society

Year:

1993

Language:

english

File:

PDF, 501 KB

english, 1993

8

Kinetic (oxygen-18 and carbon-14) and magnetic (carbon-13) isotope effects in the photo-Fries rearrangement of 4-methoxyphenyl acetate

Shine, Henry J., Subotkowski, Witold

Journal:

Journal of Organic Chemistry

Year:

1987

Language:

english

File:

PDF, 1003 KB

english, 1987

9

The Use of Glycidyl Ethers Involving Aziridinium Intermediates and Other Methodology for the Preparation of Enantiomerically Pure Drug Candidates

Ayers, Timothy A., Watson, Timothy J. N., Subotkowski, Witold, Daniel, John, Webster, Mark

Journal:

Organic Process Research & Development

Year:

2012

Language:

english

File:

PDF, 561 KB

english, 2012

10

Correction. Heavy-Atom Kinetic Isotope Effects in the Acid-Catalyzed Rearrangement of N-2-Napthyl-N'-phenylhydrazine. Rearrangement is Shown To Be a Concerted Process

Shine, Henry J., Kupczyk-Subot-Kowska, Lidia., Subotkowski, Witold.

Journal:

Journal of the American Chemical Society

Year:

1986

Language:

english

File:

PDF, 120 KB

english, 1986

11

Heavy-atom kinetic isotope effects in the acid-catalyzed and thermal rearrangements of 2,2'-hydrazonaphthalene. Transition-state differences in their concerted rearrangements

Shine, Henry J., Gruszecka, Ewa, Subotkowski, Witold, Brownawell, Marilyn, Filippo, Joseph San

Journal:

Journal of the American Chemical Society

Year:

1985

Language:

english

File:

PDF, 795 KB

english, 1985

12

Carbon Kinetic Isotope Effects and Transition Structures in the Rearrangements of Allyl Vinyl Ethers. 2-(Trimethylsilyloxy)- and 2-(Methoxycarbonyl)-3-oxa-1,5-hexadiene

Kupczyk-Subotkowska, Lidia, Saunders, William H., Shine, Henry J., Subotkowski, Witold

Journal:

Journal of the American Chemical Society

Year:

1994

Language:

english

File:

PDF, 726 KB

english, 1994

13

Heavy-atom kinetic isotope effects in the acid-catalyzed rearrangement of N-2-naphthyl-N'-phenylhydrazine. Rearrangement is shown to be a concerted process

Shine, Henry J., Kupczyk-Subotkowska, Lidia, Subotkowski, Witold

Journal:

Journal of the American Chemical Society

Year:

1985

Language:

english

File:

PDF, 675 KB

english, 1985

14

Claisen rearrangement of allyl phenyl ether. 1-carbon-14 and .beta.-carbon-14 kinetic isotope effects. A clearer view of the transition structure

Kupczyk-Subotkowska, Lidia, Subotkowski, Witold, Saunders, William H., Shine, Henry J.

Journal:

Journal of the American Chemical Society

Year:

1992

Language:

english

File:

PDF, 662 KB

english, 1992

15

Vesicular and monolayer properties of diastereomeric surfactants

Jaeger, David A., Subotkowski, Witold., Mohebalian, Jamshid., Sayed, Yasmin M., Sanyal, Bharat J., Heath, Jonathan., Arnett, Edward M.

Journal:

Year:

1991

Language:

english

File:

PDF, 1.09 MB

english, 1991

16

Correction. Heavy-Atom Kinetic Isotope Effects in the Acid-Catalyzed Rearrangement of N-Naphthyl-N'-Phenylhydrazine. Rearrangement Is Shown To Be A Concerted Process

Shine, Henry, Kupczyk-Subotkowska, Lydia, Subotkowski, Witold

Journal:

Journal of the American Chemical Society

Year:

1987

Language:

english

File:

PDF, 99 KB

english, 1987

17

Thermal rearrangement of allyl vinyl ether: heavy-atom kinetic isotope effects and the transition structure

Kupczyk-Subotkowska, Lidia, Saunders, William H., Shine, Henry J., Subotkowski, Witold

Journal:

Journal of the American Chemical Society

Year:

1993

Language:

english

File:

PDF, 573 KB

english, 1993

18

Fibers and Other Aggregates of ω-Substituted Surfactants

Jaeger, David A., Li, Guowen, Subotkowski, Witold, Carron, Keith T., Bench, Michael W.

Journal:

Year:

1997

Language:

english

File:

PDF, 368 KB

english, 1997

19

The photo-Wallach rearrangement. Heavy-atom kinetic isotope effects and mechanism

Shine, Henry J., Subotkowski, Witold, Gruszecka, Ewa

Journal:

Canadian Journal of Chemistry

Year:

1986

Language:

english

File:

PDF, 594 KB

english, 1986

20

ChemInform Abstract: Kinetic (18O and 14C) and Magnetic (13C) Isotope Effects in the Photo- Fries Rearrangement of 4-Methoxyphenyl Acetate.

SHINE, H. J., SUBOTKOWSKI, W.

Journal:

Year:

1988

File:

PDF, 89 KB

1988

21

Synthesis and Characterization of Chain-Substituted Phosphocholines

Jaeger, David A., Subotkowski, Witold, Wang, Jinkang, Kubicz-Loring, Elzbieta, Shinozaki, Hiraku

Journal:

Year:

1997

Language:

english

File:

PDF, 289 KB

english, 1997

22

ChemInform Abstract: LARGE SCALE PREPARATION OF DIALKYL 2-PYRROLIDINEPHOSPHONATES

SUBOTKOWSKI, W., TYKA, R., MASTALERZ, P.

Journal:

Chemischer Informationsdienst

Year:

1985

File:

PDF, 112 KB

1985

23

ChemInform Abstract: HEAVY-ATOM KINETIC ISOTOPE EFFECTS IN THE ACID-CATALYZED AND THERMAL REARRANGEMENTS OF 2,2′-HYDRAZONAPHTHALENE. TRANSITION-STATE DIFFERENCES IN THEIR CONCERTED REARRANGEMENTS

SHINE, H. J., GRUSZECKA, E., SUBOTKOWSKI, W., BROWNAWELL, M., SAN FILIPPO, J. JUN.

Journal:

Chemischer Informationsdienst

Year:

1985

File:

PDF, 193 KB

1985

24

ChemInform Abstract: Heavy-Atom Kinetic Isotope Effects in the Acid-Catalyzed Rearrangement of N-2-Naphthyl-N-phenylhydrazine.

SHINE, H. J., KUPCZYK-SUBOTKOWSKA, L., SUBOTKOWSKI, W.

Journal:

Chemischer Informationsdienst

Year:

1986

File:

PDF, 128 KB

1986

25

ChemInform Abstract: THE PHOSPHONIC ANALOG OF TRYPTOPHAN

SUBOTKOWSKI, W., KOWALIK, J., TYKA, R., MASTALERZ, P.

Journal:

Chemischer Informationsdienst

Year:

1982

File:

PDF, 133 KB

1982

26

ChemInform Abstract: PHOSPHONIC ANALOGS OF PROLINE

SUBOTKOWSKI, W., TYKA, R., MASTALERZ, P.

Journal:

Chemischer Informationsdienst

Year:

1980

File:

PDF, 165 KB

1980