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1

A Critical Learning Outcome Approach in Designing, Delivering and Assessing the IT Knowledge Syllabus

Wessels, Philippus Lodewikus

Journal:

Accounting Education

Year:

2010

Language:

english

File:

PDF, 360 KB

english, 2010

2

The structure of cyanoginosin-LA, a cyclic heptapeptide toxin from the cyanobacterium Microcystis aeruginosa

Botes, Dawie P., Tuinman, Albert A., Wessels, Philippus L., Viljoen, Cornelis C., Kruger, Hel�ne, Williams, Dudley H., Santikarn, Sitthivet, Smith, Richard J., Hammond, Stephen J.

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1984

Language:

english

File:

PDF, 895 KB

english, 1984

3

ChemInform Abstract: Furanoterpenoids from Siphonochilus aethiopicus

Cedric W. Holzapfel, Wilhelmina Marais, Philippus L. Wessels, Ben-Erik Van Wyk

Journal:

Year:

2002

File:

PDF, 24 KB

2002

4

Degradation of trimethoprim

Jacobus J. Bergh, Jaco C. Breytenbach, Philippus L. Wessels

Journal:

Journal of Pharmaceutical Sciences

Year:

1989

Language:

english

File:

PDF, 343 KB

english, 1989

5

Intramolecular non-bonded interactions and 13C NMR chemical shifts

Ruth Pachter, Philippus L. Wessels

Journal:

Magnetic Resonance in Chemistry

Year:

1989

Language:

english

File:

PDF, 360 KB

english, 1989

6

Solvation and metal ion effects on structure and reactivity of phosphoryl compounds. Part 3—conformational analysis of 2-substituted alkylphosphonates by phosphorus-31-carbon-13 coupling constants

Marie- P. Belciug, Philippus L. Wessels, Tomasz A. Modro

Journal:

Magnetic Resonance in Chemistry

Year:

1993

Language:

english

File:

PDF, 240 KB

english, 1993

7

Intensity gains with a progressive saturation SPI n.m.r. experiment. The degenerate A—{X3} case

Klaus G. R. Pachler, Philippus L. Wessels

Journal:

Magnetic Resonance in Chemistry

Year:

1977

Language:

english

File:

PDF, 137 KB

english, 1977

8

Detection of partially resolved carbon-13–proton couplings with selective population inversion (SPI)

Ruth Pachter, Philippus L. Wessels

Journal:

Magnetic Resonance in Chemistry

Year:

1980

Language:

english

File:

PDF, 443 KB

english, 1980

9

1H and 13C nuclear magnetic resonance study of (D3)-trishomocuban-4-ol and (D3)-trishomocubanone

Theodor G. Dekker, Douglas W. Oliver, Klaus G. R. Pachler, Philippus L. Wessels, Marianne Woudenberg

Journal:

Magnetic Resonance in Chemistry

Year:

1981

Language:

english

File:

PDF, 530 KB

english, 1981

10

Synthesis, complete 1H and 13C NMR assignment and crystal structure of novel epoxide derivatives of cytochalasin B

Pieter S. Steyn, Jaco C. Breytenbach, Jeanne H. Botha, Manuel A. Fernandes, Philippus L. Wessels

Journal:

Magnetic Resonance in Chemistry

Year:

2008

Language:

english

File:

PDF, 194 KB

english, 2008

11

Homonuclear selective population inversion. The AB system

Philippus L Wessels, Ruth Pachter

Journal:

Journal of Magnetic Resonance (1969)

Year:

1969

Language:

english

File:

PDF, 206 KB

english, 1969

12

One-dimensional homonuclear polarization transfer. Studies of parameters which affect intensities in the SPI NMR technique

Ruth Pachter, Philippus L Wessels

Journal:

Journal of Magnetic Resonance (1969)

Year:

1969

Language:

english

File:

PDF, 497 KB

english, 1969

13

Intramolecular non-bonded interactions and β- and γ-hydroxy substituent 13C NMR chemical shifts

Ruth Pachter, Philippus L. Wessels

Journal:

Journal of Molecular Structure

Year:

1988

Language:

english

File:

PDF, 412 KB

english, 1988

14

The determination of long-range (C,H) coupling constants by one- and two-dimensional NMR experiments

Ruth Pachter, Philippus L. Wessels

Journal:

Journal of Molecular Structure

Year:

1989

Language:

english

File:

PDF, 581 KB

english, 1989

15

Plicataloside, an O,O-diglycosylated naphthalene derivative from Aloe plicatilis

Philippus L. Wessels, Cedric W. Holzapfel, Ben-Erik Van Wyk, Wilhelmina Marais

Journal:

Year:

1996

Language:

english

File:

PDF, 283 KB

english, 1996

16

The chemistry and 13C NMR assignments of oxaline, a novel alkaloid from penicillium oxalicum

Dietmar W. Nagel, Klaus G.R. Pachler, Pieter S. Steyn, Robert Vleggaar, Philippus L. Wessels

Journal:

Year:

1976

Language:

english

File:

PDF, 793 KB

english, 1976

17

Pigments from fusarium moniliforme sheldon : Structure and 13C nuclear magnetic resonance assignments of an azaanthraquinone and three naphthoquinones

Pieter S. Steyn, Philippus L. Wessels, Walter F.O. Marasas

Journal:

Year:

1979

Language:

english

File:

PDF, 397 KB

english, 1979

18

π-Arene complexes: 11. Site control affected by steric and electronic factors of ring substituents in σ,π-coordinated bimetallic complexes

Rita Meyer, Philippus L Wessels, Petrus H van Rooyen, Simon Lotz

Journal:

Inorganica Chimica Acta

Year:

1999

Language:

english

File:

PDF, 168 KB

english, 1999

19

Furanoterpenoids from Siphonochilus aethiopicus

Cedric W. Holzapfel, Wilhelmina Marais, Philippus L. Wessels, Ben-Erik Van Wyk

Journal:

Year:

2002

Language:

english

File:

PDF, 85 KB

english, 2002

20

Chromone and aloin derivatives from Aloe broomii, A. Africana and A. speciosa

Cedric W. Holzapfel, Philippus L. Wessels, Ben-Erik Van Wyk, Wilhelmina Marais, Madrie Portwig

Journal:

Year:

1997

Language:

english

File:

PDF, 416 KB

english, 1997

21

Synthesis of 4-oxahexacyclo[5.4.1.02,6.03,10.05,9.08,11]dodecane-3-carboxylic acid

Frans J.C. Martins, Agatha M. Viljoen, Hendrik G. Krugera, Philippus L. Wessels

Journal:

Year:

1993

Language:

english

File:

PDF, 370 KB

english, 1993

22

Structure elucidation and absolute configuration of phomopsin a, a hexapeptide mycotoxin produced by phomopsis leptostromiformis

Claude C.J. Culvenor, John A. Edgar, Maureen F. Mackay, Charles P. Gorst-Allman, Walter F.O. Marasas, Pieter S. Steyn, Robert Vleggaar, Philippus L. Wessels

Journal:

Year:

1989

Language:

english

File:

PDF, 1.31 MB

english, 1989

23

Tautomerism in tetramic acids: 13C nmr determination of the structures and ratios of the tautomers in 3-acetyl-5-isopropylpyrrolidine-2,4-dione

Pieter S. Steyn, Philippus L. Wessels

Journal:

Tetrahedron Letters

Year:

1978

Language:

english

File:

PDF, 215 KB

english, 1978

24

Solvation and metal ion effects on structure and reactivity of phosphoryl compounds. 1. β-substituted alkylphosphonic esters

Marie-P. Belciug, Agnes M. Modro, Tom A. Modro, Philippus L. Wessels

Journal:

Journal of Physical Organic Chemistry

Year:

1992

Language:

english

File:

PDF, 601 KB

english, 1992

25

Solvation and metal ion effects on structure and reactivity of phosphoryl compounds. 2. β,γ-Substituted alkylphosphonic esters

Marie-P. Belciug, Tom A. Modro, Philippus L. Wessels

Journal:

Journal of Physical Organic Chemistry

Year:

1993

Language:

english

File:

PDF, 613 KB

english, 1993

26

Metal ion complexation by the phosphoryl and the carbonyl groups probed by 17O NMR spectroscopy

Marie-P. Belciug, Agnes M. Modro, Tomasz A. Modro, Philippus L. Wessels

Journal:

Journal of Physical Organic Chemistry

Year:

1995

Language:

english

File:

PDF, 351 KB

english, 1995

27

Enantioselective synthesis of amino acids from pentacyclo[5.4.0.02,6.03,10.05,9]undecane-8,11-dione

Frans J.C Martins, Agatha M Viljoen, Hendrik G Kruger, Louis Fourie, Justus Roscher, André J Joubert, Philippus L Wessels

Journal:

Year:

2001

Language:

english

File:

PDF, 140 KB

english, 2001

28

Synthesis of δ-lactams from pentacyclo[5.4.0.02,6.03,10.05,9]Undecane-8,11-dione

Frans J.C. Martins, Agatha M. Viljoen, Hendrik G. Kruger, Johan A. Joubert, Philippus L. Wessels

Journal:

Year:

1994

Language:

english

File:

PDF, 611 KB

english, 1994

29

Synthesis of novel tetracyclo[6.3.0.02,6.03,10]undecane and tetracyclo[6.4.0.02,6.03,10]dodecane derivatives

Frans J.C. Martins, Agatha M. Viljoen, Hendrik J. Venter, Philippus L. Wessels

Journal:

Year:

1997

Language:

english

File:

PDF, 323 KB

english, 1997

30

Characterization of the complexes of furosemide with 2-hydroxypropyl-β-cyclodextrin and sulfobutyl ether-7-β-cyclodextrin

Elisma Spamer, Douw G Müller, Philippus L Wessels, Johannes P Venter

Journal:

European Journal of Pharmaceutical Sciences

Year:

2002

Language:

english

File:

PDF, 681 KB

english, 2002

31

Experimental studies and potential energy calculations of the blocked tetrapeptide Ac-Lys-Pro-Gly-Ile-NMA from the third loop of short-chain snake venom neurotoxins

H. MARITA ROOS, PETRUS H. VAN ROOYEN, PHILIPPUS L. WESSELS

Journal:

Chemical Biology & Drug Design

Year:

1993

Language:

english

File:

PDF, 588 KB

english, 1993

32

Experimental studies and potential-energy calculations of the blocked tetrapeptide Ac-Lys-Gln-Gly-Ile-NMA from the third loop of a short-chain snake venom neurotoxin

H. MARITA ROOS, PETRUS H. VAN ROOYEN, PHILIPPUS L. WESSELS

Journal:

Chemical Biology & Drug Design

Year:

1994

Language:

english

File:

PDF, 547 KB

english, 1994

33

The Development of a Conceptual Framework for the Design, Delivery, and Assessment of a Typical Management Accounting Syllabus

Philippus L. Wessels, Shelley-Anne Roos

Journal:

Accounting Perspectives

Year:

2009

File:

PDF, 224 KB

2009

34

Configuration assignments of the amino acid residues and the presence of N-methyldehydroalanine in toxins from the blue-green alga, Microcystis aeruginosa

Dawie P. Botes, Cornelis C. Viljoen, Heléne Kruger, Philippus L. Wessels, Dudley H. Williams

Journal:

Year:

1982

Language:

english

File:

PDF, 438 KB

english, 1982

35

A Theoretical study of 13C NMR chemical shifts in a series of rigid bicyclo[m.n.o.] alkanes

Ruth Pachter, Philippus L. Wessels

Journal:

Journal of Molecular Structure: THEOCHEM

Year:

1985

Language:

english

File:

PDF, 1.01 MB

english, 1985

36

13C chemical shifts in series of adamantane and norbornane derivatives. INDO calculations

Ruth Pachter, Philippus L. Wessels

Journal:

Journal of Molecular Structure: THEOCHEM

Year:

1986

Language:

english

File:

PDF, 693 KB

english, 1986

37

Structure and carbon-13 nuclear magnetic resonance assignments of versiconal acetate, versiconol acetate, and versiconol, metabolites from cultures of Aspergillus parasiticus treated with dichlorvos

Steyn, Pieter S., Vleggaar, Robert, Wessels, Philippus L., Cole, Richard J., Scott, De Buys

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1979

Language:

english

File:

PDF, 1.09 MB

english, 1979

38

Structural investigations of 3-acylpyrrolidine-2,4-diones by nuclear magnetic resonance spectroscopy and X-ray crystallography

Nolte, Magnet J., Steyn, Pieter S., Wessels, Philippus L.

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1980

Language:

english

File:

PDF, 1.09 MB

english, 1980

39

Structures of a Tetradentate Ferrocenyl Ligand and Its Oxorhenium(V) Complex in Solution and in the Solid State

Knoesen, Otto, Wessels, Philippus L., Görls, Helmar, Lotz, Simon

Journal:

Inorganic Chemistry

Year:

2001

Language:

english

File:

PDF, 88 KB

english, 2001

40

Study of the biosynthesis of sterigmatocystin and reassignment of 13C nuclear magnetic resonance spectrum

Pachler, Klaus G. R., Steyn, Pieter S., Vleggaar, Robert, Wessels, Philippus L.

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1975

Language:

english

File:

PDF, 211 KB

english, 1975

41

High-field 13C n.m.r. evidence for the formation of [1,2-13C]acetate from [2-13C]acetate during the biosynthesis of penitrem A by Penicillium crustosum

De Jesus, Amelia E., Hull, William E., Steyn, Pieter S., van Heerden, Fanie R., Vleggaar, Robert, Wessels, Philippus L.

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1982

Language:

english

File:

PDF, 200 KB

english, 1982

42

Oxidation of the bisdihydrofuran moieties of aflatoxin B1 and sterigmatocystin; conformation of tetrahydrofurobenzofurans

Gorst-Allman, Charles P., Steyn, Pieter S., Wessels, Philippus L.

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1977

Language:

english

File:

PDF, 615 KB

english, 1977

43

Homonuclear selective population inversion: an INDOR equivalent in Fourier transform nuclear magnetic resonance spectroscopy

Pachler, Klaus G. R., Wessels, Philippus L.

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1974

Language:

english

File:

PDF, 167 KB

english, 1974

44

Carbon-13 nuclear magnetic resonance assignments and biosynthesis of versicolorin A in Aspergillus parasiticus

Gorst-Allman, Charles P., Steyn, Pieter S., Wessels, Philippus L., Scott, De Buys

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1978

Language:

english

File:

PDF, 508 KB

english, 1978

45

Structure and biosynthesis of the penitrems A?F, six novel tremorgenic mycotoxins from Penicillium crustosum

De Jesus, Amelia E., Steyn, Pieter S., Van Heerden, Fanie R., Vleggaar, Robert, Wessels, Philippus L., Hull, William E.

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1981

Language:

english

File:

PDF, 275 KB

english, 1981

46

A partial structure for the toxin BE-4 from the blue-green algae, Microcystis aeruginosa

Santikarn, Sitthivet, Williams, Dudley H., Smith, Richard J., Hammond, Stephen J., Botes, Dawie P., Tuinman, Albert, Wessels, Philippus L., Viljoen, Cornelius C., Kruger, Hel�ne

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1983

Language:

english

File:

PDF, 261 KB

english, 1983

47

Carbon-13 nuclear magnetic resonance assignments and biosynthesis of the mycotoxin ochratoxin A

de Jesus, Amelia E., Steyn, Pieter S., Vleggaar, Robert, Wessels, Philippus L.

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1980

Language:

english

File:

PDF, 405 KB

english, 1980

48

X-Ray structure of oxaline: a novel alkaloid from Penicillium oxalicum

Nagel, Dietmar W., Pachler, Klaus G. R., Steyn, Pieter S., Wessels, Philippus L., Gafner, Geoffrey, Kruger, Gert J.

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1974

Language:

english

File:

PDF, 152 KB

english, 1974

49

Biosynthesis of aurovertin B. The r�le of methionine in the formation of the ethyl side-chain

Steyn, Pieter S., Vleggaar, Robert, Wessels, Philippus L.

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1979

Language:

english

File:

PDF, 225 KB

english, 1979

50

The isolation, structure, and absolute configuration of the mycotoxin, rhizonin A, a novel cyclic heptapeptide containing N-methyl-3-(3-furyl)alanine, produced by Rhizopus microsporus

Steyn, Pieter S., Tuinman, Albert A., van Heerden, Fanie R., van Rooyen, Petrus H., Wessels, Philippus L., Rabie, Christiaan J.

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1983

Language:

english

File:

PDF, 352 KB

english, 1983