Prof Barend Bezuidenhoudt
Position
Research Fellow
Department
Chemistry
Address
2 4
Chemistry
IB 48
UFS
Telephone
051 401 9021
Office
Chemistry Building 4
Information

Short CV

EDUCATION

  • Barend C B Bezuidenhoudt obtained his M.Sc. (with distinction) form the University of the Orange Free State in 1977 under the guidence of the late Prof DG Roux and his Ph.D. in 1985 with Prof D Ferreira as promotor.
  • During 1988 he spend a year as Post-doctoral Research Fellow in the Synthetic Organic Chemistry group of Prof AGM Barrett at Northwestern University in Evanston, Illinois, USA.
  • A four month sabbatical was also spent as Research Fellow in the Synthetic Organic Chemistry group of Prof SV Ley at Cambridge University, Cambridge, UK during the first part of 1994.
  • During 1999 he completed the Programme in Engineering Management at the University of Pretoria’s Business school.

ACADEMIC POSITIONS at the University of the Orange Free State’s Chemistry Department
1977 - 1978 Research Assistant in the CSIRs Flavonoid Research Unit.
1979 - 1985 Lecturer in Organic Chemistry
1986 - 1994 Senior Lecturer in Organic Chemistry
1995 - 1996 Associate Professor in Organic Chemistry
2006 - 2017 Sasol Professor of Organic Chemistry

POST-GRADUATE STUDENT SUPERVISION
Current research group:
Ph.D. students: 3
M.Sc. students: 4

Degrees awarded:
(i) as co-supervisor: 8 M.Sc. - and 3 Ph.D. students.
(ii) as supervisor: 19 M.Sc. - and 8 Ph.D. students

INDUSTRIAL POSITIONS at Sasol Technology Ltd
1996 - 1999 Principal Scientist
1999 - 2006 Chief Scientist
2006 - Senior Chief Scientist

RESEARCH INVOLVEMENT AT SASOL
Phase 1 - Groupleader of ca 5 researchers (1996 – 1999)

Catalytic distillation technology and development of acrylamide/polyacrylamide production technology.
Production of TEB from crotonaldehyde and ethanol (plant commisioned).
Phase 2 - Line Manager for 10 - 13 researchers (2000 – 2005)
Merisol support regarding technology for the production of down stream products from phenols and cresols.
Establishment of a Ligand Synthesis group and joint development of the novel Sasol Ethylene Tetramerisation technology.

AWARDS AND ACHIEVEMENTS
1994: C1 Rating - FRD
1998: Stars of the Year award – Sasol Technology R & D.
2000: Silver Innovation Award of the SA Institute of Chemical Engineers.

2015: C3 Rating - NRF

RESEARCH OUTPUTS
1. Papers in International Chemistry Journals: 107
2. Patents and Provisional Patents: 7
3. Conference contributions: 86 of which 3 as invited speaker.

CURRENT RESEARCH INTERESTS
· Methodology development for the synthesis of Flavonoids.
· Stereoselective synthesis of Flavonoids.
· Improved methodology for current industrial processes.
· Oxidation chemistry aimed at the production of oxygenated products from alkenes.
· Application of MALDI-TOF MS to the characterisation of organometallic catalysts in solution.

Publications

Publications (Short List)

2012

 74.          A Comparative study on Structural, morphological and luminescence characteristics of Zn3(VO4)2 phosphor prepared via hydrothermal and citrate-gel combustion routes.

SS Pitale, M Gohain, IM Nagpure, OM Ntwaeaborwa, BCB Bezuidenhoudt and HC Swart, Physica B, 2012, 407, 1485-1488.

 

 75.          5-(3,4-dimethoxybenzylidene)-1,3-dimethyl-1,3-diazinane 2,4,6-trione.

M Gohain, TJ Muller, and BCB Bezuidenhoudt, Acta Cryst. Section E, 2012, E68, o179.

 

76.          Al(OTf)3: An Efficient Recyclable Catalyst for Direct Nucleophilic Substitution of the Hydroxyl group of Propargylic Alcohols with Carbon and Heteroatom centered Nucleophiles to Construct C-C, C-O, C-N and C-S bonds.

M Gohain, C Marais, and BCB Bezuidenhoudt*, Tetrahedron Lett., 2012, 53(9), 1048-1050.

 

77.          Catalytic epoxidation of stilbenes with non-peripherally alkyl substituted carbonyl ruthenium phthalocyanine complexes.

CA Enow,  C Marais, and BCB Bezuidenhoudt*, J Porphyrins and Phthalocyanines, 2012, 16(4), 403-412.

 

78.          An Al(OTf)3-catalyzed environmental benign process for the propargylation of indoles.

M Gohain, C Marais, and BCB Bezuidenhoudt*, Tetrahedron Lett, 2012, 53, 4704-4707.

 

79.          Ring closing metathesis as new methodology for the synthesis of monomeric flavonoids and neoflavonoids.

BJ Miller, T Pieterse, C Marais, and BCB Bezuidenhoudt*, Tetrahedron Lett, 2012, 53, 4708-4710.

 

80.          1-(3-Benzyl-4,6-dibenzyloxy-2-hydroxyphenyl)ethanone.

TN Hill, C-M Kuo, and BCB Bezuidenhoudt, Acta Cryst. Section E, 2012, E68, o2863.

 

81.          4-(2-Bromophenyl)-2-phenylpyrano[3,2-c]chromen-5(4H)-one.

M Gohain, N Loganathan, BCB Bezuidenhoudt, and A Roodt, Acta Cryst. Section E, 2012, E68, o3279.

 

82.          ?-(2,2`-Bipyrimidine)-bis[dichloridopalladium(II)] dimethylformamide monosolvate

C Young, A Roodt and BCB Bezuidenhoudt, Acta Cryst. Section E, 2012, E68, m1374

 

83.          2,5-Dihexylthiophene-1,1-dioxide.

JH van Tonder, M Gohain, N Loganathan and BCB Bezuidenhoudt, Acta Cryst. Section E, 2012, E68, o3437

 

2013

 

84.          Determination of the relationship between theoretical vibrational frequencies and experimental IR absorption bands in organic molecules:  A computational study of oxane, chromane and flavan.

C-M Kuo, BCB Bezuidenhoudt and J Conradie, JPOC, 2013, 26, 327-334.

 

85.          Bi(OTf)3-catalyzed solvent-free synthesis of pyrano[3,2-c]-coumarins through a tandem addition/annulation reaction between chalcones and 4-hydroxycoumarins.

M Gohain, JH van Tonder, and BCB Bezuidenhoudt*, Tetrahedron Lett., 2013, 54, 3773- 3776.

 

86.          Thermo-analytical determination of intermediates in the copper catalysed rearrangement of o-toluic acid to meta-cresol.

AC Sunil,  EHG Langner, C Marais, and BCB Bezuidenhoudt*, Cat. Sci. & Tech., 2013, 3(9), 2227-2233.

 

87.          Al(OTf)3 catalysed Friedel-Crafts type addition of indoles to a,ß-unsaturated ketones with PEG-200 as recyclable solvent under microwave irradiation.

M Gohain, Jc Jacobs, C Marais, and BCB Bezuidenhoudt*, Aust J Chem., 2013, 66(12), 1594-1599 (http://dx.doi.org/10.1071/CH13254).

 

2014

 

88.          Preparation of phenolic compounds through catalyst-free ipso-hydroxylation of arylboronic acids.

M Gohain, M du Plessis, JH van Tonder, and BCB Bezuidenhoudt*, Tetrahedron Lett, 2014, 55, 2082 - 2084.

 

89.          Synthesis of yellow emitting bis-pyrimidine based purely organic phosphors.

V Kumar, M Gohain, V Kumar, JH van Tonder, BCB Bezuidenhoudt, OM Ntwaeaborwa, and HC Swart, Journal of Luminescence, 2014, 149, 61-68.

 

90.          TOF SIMS analysis and enhanced UVB photoluminescence by energy transfer from Pr3+ to Gd3+ in Ca3(PO4)2:Gd3+,Pr3+ phosphor prepared by urea assisted combustion.

                PP Mokoena, M Gohain, V Kumar, BCB Bezuidenhoudt, HC Swart and OM Ntwaeaborwa, J. of Alloys and Compounds, 2014, 595, 33-38.

 

91.          Influence of ultrasonication times on the tunable colour emission of ZnO nanophosphors for lighting applications.

V Kumar, V Kumar, S Som, M Gohain, BCB Bezuidenhoudt, OM Ntwaeaborwa, and HC Swart, Ultrasonics Sonochemistry, 2014, 21, 1549-1556.

 

92.          Luminescent properties and particle morphology of Ca3(PO4)2:Gd3+,Pr3+ phosphor powder prepared by microwave assisted synthesis.

PP Mokoena, M Gohain, BCB Bezuidenhoudt, HC Swart and OM Ntwaeaborwa, Journal of Luminescence, 2014, 155, 288-292.

 

93.          Crystal structure of 2,3-dicyano-1,4-phenylene bis(trifluoromethanesulfonate), C10H2F6N2O6S2.

JH van Tonder, N Loganathan, M Gohain, and BCB Bezuidenhoudt, Z. Kristallogr. NCS, 2014, 229(4), 357-358 (DOI:  10.1515/ncrs-2014-0185).

 

2015

 

94.          Non-peripherally alkyl substituted ruthenium phthalocyanines as catalysts in the epoxidation of alkenes.

CA Enow, C Marais, and BCB Bezuidenhoudt*, JPP, 2015, 19, 582-594.

95.          Al(OTf)3-catalyzed preparation of 4-hydroxy-3-propargylic-coumarins and subsequent regioselective cyclization towards furo- or pyrano[3,2-c]coumarins.

S Ponra, M Gohain, JH van Tonder, BCB Bezuidenhoudt*, Synlett, 2015, 26, 745-750.

 

96.          Nano CuFe2O4:  An efficient, magnetically separable catalyst for transesterification of ß-ketoesters.

M Gohain, V Kumar, JH van Tonder, HC Swart, OM Ntwaeaborwa, BCB Bezuidenhoudt*, RSC Advances, 2015, 5, 18972-18976. (DOI: 10.1039/c4ra15014g)

 

97.          Al(OTf)3 catalyzed SN2` substitution of the ß-hydroxy group in Baylis-Hillmann products with Indoles.

M Gohain, S Lin, and BCB Bezuidenhoudt*, Tetrahedron Lett, 2015, 56, 2579-2582.

 

98.          Crystal structure of 7-benzyloxy-5,6-dihydroxyflavone.

C-M Kuo, TN Hill and BCB Bezuidenhoudt, Zeitschrift für Kristallographie, NCS, 2015,        230, 193-194 /(DOI:  10.1515/ncrs-2014-0144).

 

99.          Crystalstructure of 3-bromo-4,6-dibenzyloxy-2-hydroxy acetophenones.

TN Hill, C-M Kuo, and BCB Bezuidenhoudt, Zeitschrift für Kristallographie, NCS, 2015,      230, 251-252 /(DOI:  10.1515/ncrs-2014-0260)

 

100.        NaHSO4-SiO2:  An efficient green catalyst for selective C3-propargylation of indoles with tertiary propargylic alcohols.

M Gohain, JH van Tonder, and BCB Bezuidenhoudt*, Iranian J. Chem. Chem. Eng. 2015, 34(3), 11-17.

 

101.        The role of neutral and ionized oxygen defects in the emission of tin oxide nanocrystals for near white light application.

V Kumar, HC Swart, M Gohain, BCB Bezuidenhoudt, A Janse van Vuuren, M Lee, and OM Ntwaeaborwa, Nanotechnology, 2015, 26(29), 295703 (1-11).

 

102.        Synthesis of quinoline based Heterocylic compounds for blue lighting applications.

V Kumar, M Gohain, JH van Tonder, BCB Bezuidenhoudt, OM Ntwaeaborwa and HC Swart, Optical Materials, 2015, 50, 275-281.

 

2016

 

103.        Parameters Influencing Reactivity and Regioselectivity in the Methoxycarbonylation of Arylalkenes.

M du Plessis, C Marais and BCB Bezuidenhoudt*, Synthesis, 2016, 48(4), 557-565.

 

104.        Dopant distribution and influence of sonication temperature on the pure red light emission of mixed oxide phosphor for solid state lighting.

S Som; Vijay Kumar; Vinod Kumar; M Gohain; A Panday; MM Duvenhage; JJ Terblans; BCB Bezuidenhoudt, HC Swart, Ultrasonics Sonochemistry, 2016, 28, 79-89.

 

105.        Microwave assisted synthesis of ZnO nanoparticles for lighting and dye removal application.

V Kumar, M Gohain, S Som, V Kumar, BCB Bezuindenhoudt and HC Swart, Physica B, 2016, 480, 36-41.

106.        Al(OTf)3:  An efficient Lewis Acid additive for domino addition-elimination of Grignard Reagents to activated ketones.

T Pieterse, M Visser, C Marais, and BCB Bezuidenhoudt*, Synlett, 2016, 27, 1541-1546 (DOI:  10.1055/s-0035-1561401)

 

107.        Crystal Structure of (E)-3-(4-methoxyphenyl)-1-(2,3,4-tris(benzyloxy)-6-hydroxyphenyl)-prop-2-en-1-one, C37H32O6

C-M Kuo, TN Hill and BCB Bezuidenhoudt, Zeitschrift für Kristallographie, NCS, 2016, 231(4), 1155-1157. (DOI:  10.1515/ncrs-2016-0098)


Research


Area(s) of Interest

Organic Synthesis

Industrial Process Chemistry

Natural Products
 

Courses Presented


Community Service


Service Learning




BLOEMFONTEIN CAMPUS FACULTY CONTACT

Elfrieda van den Berg (Marketing Manager)
T: +27 51 401 2531
E:vdberge@ufs.ac.za

QWAQWA CAMPUS FACULTY CONTACT

Dilahlwane Mohono (Faculty Officer)
T: +27 58 718 5284
E:naturalscienceqq@ufs.ac.za

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