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1

A proposed benchmark model using a modularised approach to calculate IFRS 9 expected credit loss

Schutte, Willem Daniel, Verster, Tanja, Doody, Derek, Raubenheimer, Helgard, Coetzee, Peet Jacobus, McMillan, David

Journal:

Cogent Economics & Finance

Année:

2020

Fichier:

PDF, 2.36 MB

2020

2

Beyond Conventional N -Heterocyclic Carbenes: Abnormal, Remote, and Other Classes of NHC Ligands with Reduced Heteroatom Stabilization

Schuster, Oliver, Yang, Liangru, Raubenheimer, Helgard G., Albrecht, Martin

Journal:

Chemical Reviews

Année:

2009

Langue:

english

Fichier:

PDF, 920 KB

english, 2009

3

Analysis of polyolefin blends by CRYSTAF

Brüll, Robert, Grumel, Valérie, Pasch, Harald, Raubenheimer, Helgard G., Sanderson, Ron, Wahner, Udo M.

Journal:

Macromolecular Symposia

Année:

2002

Fichier:

PDF, 391 KB

2002

4

Synthesis and crystallographic characterization of thiazole-2-dithiocarboxylate methyl ester complexes of chromium, tungsten and iron carbonyls †

Raubenheimer, Helgard G., Marais, Eugene K., Cronje, Stephanie, Esterhuysen (neé Thompson), Catharine, Kruger, Gert J.

Journal:

Journal of the Chemical Society Dalton Transactions

Année:

2000

Langue:

english

Fichier:

PDF, 146 KB

english, 2000

5

Thione complexes of Rh(i): a first comparison with the bonding and catalytic activity of related carbene and imine compounds

Neveling, Arno, Julius, Gerrit R., Cronje, Stephanie, Esterhuysen, Catharine, Raubenheimer, Helgard G.

Journal:

Dalton Transactions

Année:

2005

Langue:

english

Fichier:

PDF, 344 KB

english, 2005

6

Oligomerisation of 1-pentene with metallocene catalysts

Udo M. Wahner, Robert Brüll, Harald Pasch, Helgard G. Raubenheimer, Ron Sanderson

Journal:

Macromolecular Materials and Engineering

Année:

1999

Langue:

english

Fichier:

PDF, 98 KB

english, 1999

7

Polymerization of higher linear α-olefins with (CH3)2Si(2-methylbenz[e]indenyl)2ZrCl2

Robert Brüll, Harald Pasch, Helgard G. Raubenheimer, Ron Sanderson, Udo M. Wahner

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Année:

2000

Langue:

english

Fichier:

PDF, 137 KB

english, 2000

8

The copolymerization of propylene with higher, linear α-olefins

Albert J. Van Reenen, Robert Brull, Udo M. Wahner, Helgard G. Raubenheimer, Ronald D. Sanderson, Harald Pasch

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Année:

2000

Langue:

english

Fichier:

PDF, 173 KB

english, 2000

9

Homopolymerization of Higher 1-Olefins with Metallocene/MAO Catalysts

Valérie Grumel, Robert Brüll, Harald Pasch, Helgard G. Raubenheimer, Ron Sanderson, Udo M. Wahner

Journal:

Macromolecular Materials and Engineering

Année:

2001

Langue:

english

Fichier:

PDF, 135 KB

english, 2001

10

Poly(pent-1-ene) Synthesized with the Syndiospecific Catalyst i-Pr(Cp)(9-Flu)ZrCl2/MAO

Valérie Grumel, Robert Brüll, Harald Pasch, Helgard G. Raubenheimer, Ron Sanderson, Udo M. Wahner

Journal:

Macromolecular Materials and Engineering

Année:

2002

Langue:

english

Fichier:

PDF, 247 KB

english, 2002

11

Investigation of the Melting and Crystallization Behavior of Random Propene/α-Olefin Copolymers by DSC and CRYSTAF

Robert Brüll, Harald Pasch, Helgard G. Raubenheimer, Ron Sanderson, Albert J. van Reenen, Udo M. Wahner

Journal:

Macromolecular Chemistry and Physics

Année:

2001

Langue:

english

Fichier:

PDF, 149 KB

english, 2001

12

New Rhodium Complexes Coordinated by Bidentate Imine Ligands with Benzothiazolyl Functionalities

Gerrit R. Julius, Stephanie Cronje, Arno Neveling, Catharine Esterhuysen, Helgard G. Raubenheimer

Journal:

Helvetica Chimica Acta

Année:

2002

Langue:

english

Fichier:

PDF, 202 KB

english, 2002

13

Pyridin-, Quinolin- and Acridinylidene Palladium Carbene Complexes as Highly Efficient C–C Coupling Catalysts

Sabine K. Schneider, Patric Roembke, Gerrit R. Julius, Helgard G. Raubenheimer, Wolfgang A. Herrmann

Journal:

Advanced Synthesis & Catalysis

Année:

2006

Langue:

english

Fichier:

PDF, 316 KB

english, 2006

14

Metathesis of 1-Octene in Ionic Liquids and Other Solvents: Effects of Substrate Solubility, Solvent Polarity and Impurities

Annegret Stark, Mariam Ajam, Mike Green, Helgard G. Raubenheimer, Alta Ranwell, Bernd Ondruschka

Journal:

Advanced Synthesis & Catalysis

Année:

2006

Langue:

english

Fichier:

PDF, 183 KB

english, 2006

15

Ringöffnung von 2-Lithio-1,3-dithian und -1,3,5-trithian durch Carbenkomplexe von Chrom und Wolfram

Prof. Dr. Helgard G. Raubenheimer, Prof. Dr. Ernst Otto Fischer, Priv.-Doz. Dr. Ulrich Schubert, Priv.-Doz. Dr. Carl Krüger, Dr. Yi-Hung Tsay

Journal:

Angewandte Chemie

Année:

1981

Fichier:

PDF, 321 KB

1981

16

Synthese und Kristallstrukturanalyse eines Monocarbenkupferkomplexes

Prof. Dr. Helgard G. Raubenheimer, Dr. Stephanie Cronje, Mr. Pierre J. Olivier, Dr. James G. Toerien, Prof. Dr. Petrus H. van Rooyen

Journal:

Angewandte Chemie

Année:

1994

Langue:

german

Fichier:

PDF, 313 KB

german, 1994

17

Structural Studies of Gold(I, II, and III) Compounds with Pentafluorophenyl and Tetrahydrothiophene Ligands

Jacorien Coetzee, William F. Gabrielli, Karolien Coetzee, Oliver Schuster, Stefan D. Nogai, Stephanie Cronje, Helgard G. Raubenheimer

Journal:

Angewandte Chemie

Année:

2007

Langue:

english

Fichier:

PDF, 138 KB

english, 2007

18

Ring-Opening Reactions of 2-Lithio-1,3-dithiane and 2-Lithio-1,3,5-trithiane with Carbene Complexes of Chromium and Tungsten

Prof. Dr. Helgard G. Raubenheimer, Prof. Dr. Ernst Otto Fischer, Priv.-Doz. Dr. Ulrich Schubert, Prov.-Doz. Dr. Carl Krüger, Dr. Yi-Hung Tsay

Journal:

Angewandte Chemie International Edition

Année:

1981

Langue:

english

Fichier:

PDF, 219 KB

english, 1981

19

Synthesis and Crystal Structure of a Monocarbene Complex of Copper

Prof. Dr. Helgard G. Raubenheimer, Dr. Stephanie Cronje, Mr. Pierre J. Olivier, Dr. James G. Toerien, Prof. Dr. Petrus H. van Rooyen

Journal:

Angewandte Chemie International Edition

Année:

1994

Langue:

english

Fichier:

PDF, 243 KB

english, 1994

20

Structural Studies of Gold(I, II, and III) Compounds with Pentafluorophenyl and Tetrahydrothiophene Ligands

Jacorien Coetzee, William F. Gabrielli, Karolien Coetzee, Oliver Schuster, Stefan D. Nogai, Stephanie Cronje, Helgard G. Raubenheimer

Journal:

Angewandte Chemie International Edition

Année:

2007

Langue:

english

Fichier:

PDF, 138 KB

english, 2007

21

ChemInform Abstract: Carbene Complexes Derived from Lithiated Heterocycles, Mainly Azoles, by Transmetalation

Helgard G. Raubenheimer, Stephanie Cronje

Journal:

Année:

2001

Fichier:

PDF, 24 KB

2001

22

ChemInform Abstract: Beyond Conventional N-Heterocyclic Carbenes: Abnormal, Remote, and Other Classes of NHC Ligands with Reduced Heteroatom Stabilization

Oliver Schuster, Liangru Yang, Helgard G. Raubenheimer, Martin Albrecht

Journal:

Année:

2009

Fichier:

PDF, 15 KB

2009

23

ChemInform Abstract: Ligating Properties of Anionic Fischer-Type Carbene Complexes, [(CO)5M:C(X)Y]-

Helgard G. Raubenheimer, Stephanie Cronje, Christoph E. Strasser

Journal:

Année:

2010

Fichier:

PDF, 15 KB

2010

24

Lithium [Bis{benzoyl-W(CO)5}(μ2-hydrogen)] − A Charge-Assisted H+-Bridged Organometallic Complex Prepared by Selective Li+ Ion Replacement

Matthias W. Esterhuysen, Helgard G. Raubenheimer

Journal:

European Journal of Inorganic Chemistry

Année:

2003

Langue:

english

Fichier:

PDF, 214 KB

english, 2003

25

One-Dimensional CdII Coordination Polymers: Solid Solutions with NiII, Thermal Stabilities and Structures

Dejana Vujovic, Helgard G. Raubenheimer, Luigi R. Nassimbeni

Journal:

European Journal of Inorganic Chemistry

Année:

2004

Langue:

english

Fichier:

PDF, 161 KB

english, 2004

26

Cover Picture: Lithium [Bis{benzoyl-W(CO)5}(μ2-hydrogen)] − A Charge-Assisted H+-Bridged Organometallic Complex Prepared by Selective Li+ Ion Replacement (Eur. J. Inorg. Chem. 21/2003)

Matthias W. Esterhuysen, Helgard G. Raubenheimer

Journal:

European Journal of Inorganic Chemistry

Année:

2003

Langue:

english

Fichier:

PDF, 84 KB

english, 2003

27

Extending the NHC Concept: C–C Coupling Catalysis by a PdII Carbene (rNHC) Complex with Remote Heteroatoms

Sabine K. Schneider, Patric Roembke, Gerrit R. Julius, Christoph Loschen, Helgard G. Raubenheimer, Gernot Frenking, Wolfgang A. Herrmann

Journal:

European Journal of Inorganic Chemistry

Année:

2005

Langue:

english

Fichier:

PDF, 138 KB

english, 2005

28

Preparation of Remote NHC Complexes of Rhodium(I) and Gold(I) by Ligand Transfer

Christoph E. Strasser, Elzet Stander-Grobler, Oliver Schuster, Stephanie Cronje, Helgard G. Raubenheimer

Journal:

European Journal of Inorganic Chemistry

Année:

2009

Langue:

english

Fichier:

PDF, 369 KB

english, 2009

29

The Nature of the Metal–Carbene Bond in Normal and Abnormal Pyridylidene, Quinolylidene and Isoquinolylidene Complexes

Greta Heydenrych, Moritz von Hopffgarten, Elzet Stander, Oliver Schuster, Helgard G. Raubenheimer, Gernot Frenking

Journal:

European Journal of Inorganic Chemistry

Année:

2009

Langue:

english

Fichier:

PDF, 495 KB

english, 2009

30

Sulphur-containing metal complexes: XXIII. Synthesis of new complexes containing the Fe2(CO)6S2 butterfly unit. Crystal and molecular structure of [Fe2(CO)6{μ-S2P(C6H4OMe-p)Fe(CO)4}], determined from two different crystal modifications

Gert J. Kruger, Simon Lotz, Lorna Linford, Martie Van Dyk, Helgard G. Raubenheimer

Journal:

Journal of Organometallic Chemistry

Année:

1985

Langue:

english

Fichier:

PDF, 737 KB

english, 1985

31

Tetracarbonyl(carbene-phosphine) and tetracarbonyl(imidate-phospine) complexes of chromium(0)

Helgard.G. Raubenheimer, Gert.J. Kruger, Hendrick W. Viljoen, Simon Lotz

Journal:

Journal of Organometallic Chemistry

Année:

1986

Langue:

english

Fichier:

PDF, 839 KB

english, 1986

32

Carbonyl insertion into a CS bond and complex dimerization during reaction of the dithioesters SC(Me)SEt and SC(Ph)SMe with iron carbonyl complexes

Gert J. Kruger, Antonie van A. Lombard, Helgard G. Raubenheimer

Journal:

Journal of Organometallic Chemistry

Année:

1987

Langue:

english

Fichier:

PDF, 865 KB

english, 1987

33

New preparation of alkyl- and aryl-mono-η5-cyclopentadienylphosphine compounds or iron, cobalt and nickel

Frederick Scott, Stephanie Cronje, Helgard G. Raubenheimer

Journal:

Journal of Organometallic Chemistry

Année:

1987

Langue:

english

Fichier:

PDF, 198 KB

english, 1987

34

Reaction of iron pentacarbonyl with N,N-diethyl-S-ethylcarbamate; crystal structure of [{Fe(CO)6}3(μ4-S)2(μ-CNEt2)2]3(feFe), a compound containing three butterfly units

Helgard G. Raubenheimer, Gert.J. Gruker, Antonie van A. Lombard

Journal:

Journal of Organometallic Chemistry

Année:

1987

Langue:

english

Fichier:

PDF, 608 KB

english, 1987

35

Reactions of deprotonated sulphur-donor complexes of pentacarbonylchromium(0) with carbon disulphide or carbon diselenide

Helgard G. Raubenheimer, Simon Lotz, Gert J. Kruger, Antonie van A. Lombard, Joey C. Viljoen

Journal:

Journal of Organometallic Chemistry

Année:

1987

Langue:

english

Fichier:

PDF, 820 KB

english, 1987

36

Insertion of iron carbonyl into a CS bond of tetrathiofulvalene

Helgard G. Raubenheimer, Lorna Linford, H.Marita Roos

Journal:

Journal of Organometallic Chemistry

Année:

1990

Langue:

english

Fichier:

PDF, 284 KB

english, 1990

37

Magnesium activation of dichlorodi-η5-cyclopentadienyltitanium in the catalytic hydrogenation of olefins and acetylenes

Frederick Scott, Helgard G. Raubenheimer, Gerard Pretorius, Augustine M. Hamese

Journal:

Journal of Organometallic Chemistry

Année:

1990

Langue:

english

Fichier:

PDF, 271 KB

english, 1990

38

Carbene complexes of FeII prepared from a precursor complex containing a remote nucleophilic heteroatom

James G. Toerien, Mieke Desmet, Gert J. Kruger, Helgard G. Raubenheimer

Journal:

Journal of Organometallic Chemistry

Année:

1994

Langue:

english

Fichier:

PDF, 280 KB

english, 1994

39

Characterization of mono(carbene) and bis(carbene) complexes of gold(I) derived from lithiated pyridine

Helgard G. Raubenheimer, James G. Toerien, Gert J. Kruger, Ronald Otte, Werner van Zyl, Pierre Olivier

Journal:

Journal of Organometallic Chemistry

Année:

1994

Langue:

english

Fichier:

PDF, 454 KB

english, 1994

40

Synthesis and characterization of neutral and cationic diamino carbene complexes of gold(I)

Helgard G. Raubenheimer, Louise Lindeque, Stephanie Cronje

Journal:

Journal of Organometallic Chemistry

Année:

1996

Langue:

english

Fichier:

PDF, 693 KB

english, 1996

41

Synthesis and characterization of copper(I) halide imine complexes

Helgard G. Raubenheimer, Stephanie Cronje, Gert J. Kruger, Pierre J. Olivier

Journal:

Année:

1995

Langue:

english

Fichier:

PDF, 715 KB

english, 1995

42

New reactions and new products derived from α-deprotonated Fischer-type carbene complexes

Stephanie Cronje, Gerrit R. Julius, Elzet Stander, Catharine Esterhuysen, Helgard G. Raubenheimer

Journal:

Inorganica Chimica Acta

Année:

2005

Langue:

english

Fichier:

PDF, 585 KB

english, 2005

43

Gold acyls and imidoyls prepared from anionic Fischer-type carbene complexes

Helgard G. Raubenheimer, Matthias W. Esterhuysen, Catharine Esterhuysen

Journal:

Inorganica Chimica Acta

Année:

2005

Langue:

english

Fichier:

PDF, 318 KB

english, 2005

44

4-Membered metallodithiophosphinate rings – flat or puckered? A comparison of two crystal structures with computational and literature data

Catharine Esterhuysen, Gert J. Kruger, Gavin Blewett, Helgard G. Raubenheimer

Journal:

Inorganica Chimica Acta

Année:

2006

Langue:

english

Fichier:

PDF, 417 KB

english, 2006

45

Pyridin- and quinolinylidene nickel carbene complexes as effective catalysts for the Grignard cross-coupling reaction

Sabine K. Schneider, Christoph F. Rentzsch, Anneke Krüger, Helgard G. Raubenheimer, Wolfgang A. Herrmann

Journal:

Journal of Molecular Catalysis A: Chemical

Année:

2007

Langue:

english

Fichier:

PDF, 520 KB

english, 2007

46

The preparation, properties and X-ray structures of gold(I) trithiophosphite complexes

Christoph E. Strasser, Stephanie Cronje, Hubert Schmidbaur, Helgard G. Raubenheimer

Journal:

Journal of Organometallic Chemistry

Année:

2006

Langue:

english

Fichier:

PDF, 740 KB

english, 2006

47

Imine coordinated 2-aminoazole complexes of (CO)5Cr(0) and (CO)5W(0), verification by structural characterisation

Leigh-Anne de Jongh, Christoph E. Strasser, Helgard G. Raubenheimer, Stephanie Cronje

Journal:

Année:

2009

Langue:

english

Fichier:

PDF, 340 KB

english, 2009

48

Copolymerization behavior of Cp2ZrCl2/MAO and [(CO)5WC(Me)OZrCp2Cl]/MAO: a comparative study on ethylene/1-pentene copolymers

Nyambeni Luruli, Lars-Christian Heinz, Valérie Grumel, Robert Brüll, Harald Pasch, Helgard G. Raubenheimer

Journal:

Année:

2006

Langue:

english

Fichier:

PDF, 318 KB

english, 2006

49

Synthesis and structure of the ferrole complex [Fe2(CO)6{C4(SMe)4}]

Helgard G. Raubenheimer, Gert J. Kruger, Lorna Linford

Journal:

Inorganica Chimica Acta

Année:

1988

Langue:

english

Fichier:

PDF, 281 KB

english, 1988

50

Mono- and bimetallic gold(I) and silver(I) pentafluoropropionates and related compounds

Patric Römbke, Annette Schier, Hubert Schmidbaur, Stefanie Cronje, Helgard Raubenheimer

Journal:

Inorganica Chimica Acta

Année:

2004

Langue:

english

Fichier:

PDF, 327 KB

english, 2004