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Professor Gamal A. El-Hiti

Professor

King Saud University

كلية العلوم الطبية التطبيقية
Building 24; Room 2213
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Conferences and Presentations

1– Smith, K.; El-Hiti, G.A.; Abdel-Megeed, M.F.; Abdo, M.A. Convenient synthesis of more complex 2‑substituted 4(3H)-quinazolinones via lithiation of 2‑alkyl-4(3H)-quinazolinones. The First International Conference on Basic Science and Advanced Technology, Assiut University, Assiut, Egypt, 9–12 November 1996.
 
2– El-Hiti, G.A. A convenient synthesis of 2,3-dihydrotriazolo- and triazolo-[3,2-b]quinazolin-5-ones. The 4th International Conference on Chemistry and its Role in Development, Mansoura University, Mansoura, Egypt, 8–10 April 1997.
 
3– Smith, K.; El-Hiti, G.A.; Abdel-Megeed, M.F. Carbonylation of lithiated quinazolin-4(3H)-one derivatives. The 6th Ibn Sina International Conference on Pure and Applied Heterocyclic Chemistry, Ain-Shams University, Cairo, Egypt, 13–16 December 1997.
 
4– El-Hiti, G.A. Regioselective lithiation of quinazoline-4(3H)-one derivatives. The South West Regional Meeting of the Perkin Division of the Royal Society of Chemistry, School of Chemistry, Cardiff University, Cardiff, United Kingdom, 15 December 1998.
 
5– Smith, K.; El-Hiti, G.A.; Takahashi, T.; Hou, D. Selective polymeric oranoborohydride agents: synthesis and application. Abstr. Pap. Am. Chem. Soc., 1999, 218, 66, INOR066.
 
6– Smith, K.; El-Hiti, G.A.; Abdel-Megeed, M.F. Diastereomeric and asymmetric induction of acylaminoquinazolin-4(3H)-one derivatives. The 7th Ibn Sina International Conference on Pure and Applied Heterocyclic Chemistry, Alexandria University, Alexandria, Egypt, 25–28 March 2000.
 
7– Smith, K.; El-Hiti, G.A.; Mahgoub, S.A. Lithiation and side-chain substitution of 3‑alkyl-1H-quinoxalin-2-ones. The South West Regional Meeting of the Perkin Division of the Royal Society of Chemistry, Department of Chemistry, Swansea University, Swansea, United Kingdom, 16 December 2002.
 
8– El-Hiti, G.A. A simple procedure for the side-chain lithiation of 2-alkyl-3H-quinazoline-4-thiones: application in synthesis. The South West Regional Meeting of the Organic Division of the Royal Society of Chemistry, Department of Chemistry, University of Bath, Bath, United Kingdom, 15 December 2003.
 
9– El-Hiti, G.A. Application of organolithium in organic synthesis: a convenient synthesis of more complex 6‑substituted 3H-quinzolin-4-ones. The 9th Ibn Sina International Conference on Pure and Applied Heterocyclic Chemistry, the Egyptian Heterocyclic Chemical Society, Sharm El-Sheikh, Egypt, 11–14 December 2004.
 
10– Smith, K.; El-Hiti, G.A.; Hegazy, A.S. Reactions of alkyllithiums with various quinazoline derivatives. The South West Regional Meeting of the Organic Division of the Royal Society of Chemistry, School of Chemistry, Cardiff University, Cardiff, United Kingdom, 19 December 2005.
 
11– Smith, K.; El-Hiti, G.A. Modern approaches to cleaner chemical processes. Abstracts (poster L-PO-44) of the 1st European Chemistry Congress, Budapest, Hungary, 27–31 August, 2006, p 250.
 
12– Smith, K.; El-Hiti, G.A.; Hegazy, A.S. Investigation of the influences of substituents on the lithiation of N-pivaloylaminomethyl-benzenes. The Postgraduate Symposium, Department of Chemistry, Swansea University, Swansea, United Kingdom, 28 June 2007.
 
13– Smith, K.; El-Hiti, G.A. Modern approaches to cleaner chemical processes. The South and West Regional Meeting of the Organic Division of the Royal Society of Chemistry, Department of Chemistry, University of Oxford, Oxford, United Kingdom, 8 January 2008.
 
14– Hegazy, A.S.; El-Hiti, G.A.; Smith, K. Directed lithiation of substituted benzylamines. The Cardiff Easter Conference, School of Chemistry, Cardiff University, Cardiff, United Kingdom, 18-19 March 2008.
 
15– Fekri, A.; Hegazy, A.S.; El-Hiti, G.A.; Smith, K. Directed lithiation of substituted benzylamines. The South and West Regional Meeting of the Organic Division of the Royal Society of Chemistry, School of Chemistry, University of Southampton, Southampton, United Kingdom, 21 January 2009.
 
16– Smith, K.; El-Hiti, G.A.; Hegazy, A.S. Synthesis of 2,3-dihydroisoindolin-1-ones. The South and West Regional Meeting of the Organic Division of the Royal Society of Chemistry, School of Chemistry, University of Bath, Bath, United Kingdom, 29 March 2010.
 
17– Fekri, A.; El-Hiti, G.A.; Smith, K. Lithiation of simple aromatics and heterocycles. The Cardiff Spring Conference, School of Chemistry, Cardiff University, Cardiff, United Kingdom, 5-6 May 2010.
 
18– Al-Khalaf, A.; El-Hiti, G.A.; Smith, K. Approaches to the synthesis of valuable industrial intermediates via regioselective bromination of naphthalene over solid catalysts.
The Cardiff Spring Conference, School of Chemistry, Cardiff University, Cardiff, United Kingdom, 5-6 May 2010.
 
19– Balakit, A.A.; Pardasani, R.T.; El-Hiti, G.A.; Smith, K. New polymeric sulfide-borane complexes as convenient hydroborating and reducing agents. The Macro 2010 (Poster; H26_P07): 43rd IUPAC World Polymer Congress, Scottish Exhibition and Conference Centre (SECC), Glasgow, United Kingdom, 11–16 July 2010.
 
20– Smith, K.; El-Hiti, G.A.; Hegazy, A.S. Synthesis of heterocycles by lithiation of N-benzylamines. The 9th International Symposium of Carbanion Chemistry European (ISCC‑9; OP-01), p 41, Florence, Italy, 20–24 July, 2010.
 
21– Balakit, A.A.; Pardasani, R.T.; El-Hiti, G.A.; Smith, K. A new polymeric sulfide-borane adduct for the hydroboration of alkenes and reduction of carbonyl compounds. The EuCheMS Chemistry Congress (Poster Ic.003), Nürnberg, Germany, 29 August–2 September 2010.
 
22– Al-Khalaf, A.; El-Hiti, G.A.; Smith, K. Regioselective bromination of naphthalene over solid catalysts as an approach to the synthesis of valuable industrial intermediates. The EuCheMS Chemistry Congress (Poster IVc.057), Nürnberg, Germany, 29 August–02 September 2010.
 
23– Morris, C.; El-Hiti, G.A.; Weeks, I.; Woodhead, J.S.; Smith, K.; Kille, P. Molecular assays enabling ‘animal-free’ toxicology tests. The Society of Environmental Toxicology and Chemistry (SETAC) Europe 21st Annual Meeting, Milano Convention Centre, Milan, Italy, 15–19 May 2011.
 
24– Balakit, A.A.; Pardasani, R.T.; El-Hiti, G.A.; Smith, K. Polymer supported borane: new reagent for organic synthesis. The Cardiff Spring Conference, School of Chemistry, Cardiff University, Cardiff, United Kingdom, 16–17 May 2011.
 
25– Al-Zuhairi, A.J.; El-Hiti, G.A.; Smith, K. Synthesis of polysulfides by polycondensation of dihaloalkanes and sodium sulphide. The Cardiff Spring Conference, School of Chemistry, Cardiff University, Cardiff, United Kingdom, 16–17 May 2011.
 
26– Morris, C.; El-Hiti, G.A.; Smith, K.; Weeks, I.; Woodhead, J.S.; Kille, P. Utilising chemiluminescent methods for measuring genotoxicity in vitro. The Gordon Conference on Genetic Toxicology, II Ciocco Hotel and Resort, Lucca (Barga), Italy, 10–15 July 2011.
 
27– Morris, C.; El-Hiti, G.A.; Smith, K.; Weeks, I.; Woodhead, J.S.; Kille, P. Harnessing chemiluminescence to deliver mechanistically-informative in vitro assays for toxicological screening. The Society of Toxicology’s 51st Annual Meeting (SOT), Moscone Convention Centre, San Francisco, California, USA, 11–15 March 2012.
 
28– Abdel-Megeed, M.F.; Badr, B.E.; Azaam, M.M.; El-Hiti, G.A. New heterocyclic a-aminophosphonate derivatives and their antimicrobial activities. The 8th International Scientific Conference, Al-Azhar University (AZHARSCIENCE), Environment, Development, and Bioinformatics, Al-Azhar Conference Center, Tayaran Street, Nasr City, Cairo, Egypt, 26–28 March 2012.
 
29– Abdel-Megeed, M.F.; Azaam, M.M.; El-Hiti, G.A. Synthesis of diphenyl (4'-(aryldiazenyl)biphenyl-4-ylamino)(pyridin-3-yl)methylphosphonates as azodisperse dyes for dyeing polyester fabrics. The 8th International Scientific Conference, Al-Azhar University (AZHARSCIENCE), Environment, Development, and Bioinformatics, Al-Azhar Conference Center, Tayaran Street, Nasr City, Cairo, Egypt, 26–28 March 2012.
 
30– Alshammari, M.B.; El-Hiti, G.A.; Smith, K. Lithiation and substitution of various substituted phenylalkylamines. The 11th Annual Cardiff Chemistry Conference, School of Chemistry, Cardiff University, Cardiff, United Kingdom, 14–15 May 2012.
 
31– El-Hiti, GA. Greener and more regioselective aromatic substitution reactions. A Celebration of Organic Chemistry, the Royal Society of Chemistry (RSC), School of Chemistry, Cardiff University, Cardiff, United Kingdom, 15 June 2012 (invited speaker along with a selection of distinguished speakers including two of the three recipients of the 2010 Nobel Prize in Chemistry; Professor Akira Suzuki and Professor Ei-ichi Negishi).
 
32– Morris, C.; El-Hiti, G.A.; Smith, K.; Weeks, I.; Woodhead, J.S.; Kille, P. Utilising chemiluminescent methods for ‘animal-free’ toxicology tests. The 48th Congress of the European Societies of Toxicology (EUROTOX 2012), P13-09, Stockholm, Sweden, 17–20 June 2012; Toxicol. Lett. Supplement, 2012, 211S, S104–S105. http://dx.doi.org/10.1016/j.toxlet.2012.03.390
 
33– Alshammari, M.B.; El-Hiti, G.A.; Smith, K. Synthesis of various substituted phenylalkylamines via Organolithiums. The Royal Society of Chemistry University Roadshow 2012, Cardiff University, Cardiff, United Kingdom, 12 July 2012.
 
34– Alshammari, M.B.; El-Hiti, G.A.; Smith, K. Variation in lithiation sites of various substituted phenylalkylamines. The 6th Saudi International Conference (SIC 2012), Brunel University, Middlesex, United Kingdom, 11–14 October 2012.
 
35– Alshammari, M.B.; El-Hiti, G.A.; Smith, K. Lithiation and substitution of various substituted phenylamines. The South West Regional Meeting of the Organic Division of the Royal Society of Chemistry, School of Chemistry, Cardiff University, Cardiff, United Kingdom, 11 January 2013.
 
36– El-Hiti, G.A. Second Scientific Meeting on Applied Medical Sciences, Research and Current Trends, College of Applied Medical Sciences, King Saud University, Sheraton Hotel, Riyadh, Saudi Arabia, 17–18 March 2013.
 
37– El-Hiti G.A.; Smith, K. Sustainable and greener chemical processes: regioselective aromatic substitution reactions over solid catalysts. The 6th International Conference on Green and Sustainable Chemistry (GSC-6), O19, The University of Nottingham, The Engineering and Science Learning Centre (ESLC), Nottingham, United Kingdom, 4–7 August 2013.
 
38– Morris, C.; El-Hiti, G.A.; Smith, K.; Weeks, I.; Woodhead, J.S.; Kille, P. Toxicity screening via molecular endpoints. The First Annual International Environmental ‘Omics Synthesis Conference (EOS2013), Cardiff University, Cardiff, United Kingdom, 9–11 September 2013.
 
39– Alotaibi, M.H.; Smith, K.; El-Hiti, G.A. Highly regioselective process for the production of important industrial intermediates in high yields. The 159th OMICS Group Conference, The World Congress on Petrochemistry and Chemical Engineering, Hilton San Antonio Airport, San Antonio, USA, 18-20 November 2013.
 
40– Balakit, A.A.; El-Hiti, G.A.; Smith, K. Synthesis of novel oligomeric diarylethenes: strategy for the synthesis of poly(alkylene sulfide)s bearing photochromic units. 2nd International Conference of Chemistry, University of Basrah, College of Science, Department of Chemistry, Basrah, Iraq, 19-20 March 2014.
 
41– Alotaibi, M.H.; Smith, K.; El-Hiti, G.A. The important role of zeolites in the production of 2,4-dinitrotoluene regioselectively. British Zeolite Association (BZA) Spring Meeting, University of Glasgow, United Kingdom, 9-11 April 2014.
 
42– El-Hiti, G.A.; Smith, K. Greener chemical processes via regioselective catalytic aromatic substitution reactions. International Conference on Green Chemistry and Sustainable Engineering, Faculty of Biology, Barcelona University, Barcelona, Spain, 29-31 July 2014.
 
43– Alshammari, M.B.; El-Hiti, G.A.; Smith, K. Greener and regioselective lithiation of substituted pyridines. International Conference on Green Chemistry and Sustainable Engineering, Faculty of Biology, Barcelona University, Barcelona, Spain, 29-31 July 2014.
 
44– Alotaibi, M.H.; Smith, K.; El-Hiti, G.A. Regioselective nitration of 2- and 4-nitrotoluenes over nitric acid, acid anhydrides and zeolites systems. The 2nd International Conference on Organometallics and Catalysis (OM & Cat-2014), Todaiji-Temple Lecture Hall, Nara, Japan, 26-29 October 2014.
 
45– Alamri, M.; Morris, C.; El-Hiti, G.; Smith, K.; Kille, P. Synthesising a common intermediate for a family of novel chemiluminescent molecules. Biosciences Postgraduate Symposium, School of Biosciences, Cardiff University, Cardiff, United Kingdom, May 2015.
 
46– El-Hiti, G.A. Gulf Education Scholarship Programme Conference, London, Hilton London Paddington, 16-17 November 2015.
 
47– Alamri, M.; Morris, C.; El-Hiti, G.; Smith, K.; Kille, P. Novel chemiluminescent molecules. Biosciences Postgraduate Symposium, School of Biosciences, Cardiff University, Cardiff, United Kingdom, 04 May 2016.
 
48– El-Hiti, G.A. Sustainable, greener and catalytic chemical processes. The First International Conference on Surface Science and its Applications (CSSA-2017), The College of Science, Al-Jouf University, Sakaka, Saudi Arabia, 1–2 May 2017.
 
49– Smith, K.; Al-Zuhairi, A.; El-Hiti, G.; Alshammari, M. Comparison of cyclic and polymeric disulfides as catalysts for the regioselective chlorination of phenols. The XXII International Conference on Organic Synthesis (22-ICOS), Florence, Italy, 16-21 September 2018.