Browse by All Cardiff Authors

Abbas, Haneen Fadhil, Saleh, Basil A., Al-Doghachi, Faris A. J., Kariuki, Benson M. ORCID: https://orcid.org/0000-0002-8658-3897 and El-Hiti, Gamal A. 2025. Crystal structure of bis ((1-((E)-((4-methoxyphenyl)imino)methyl)naphthalen-2-yl)oxy) copper(II), C36H28CuN2O4. Zeitschrift für Kristallographie - New Crystal Structures 10.1515/ncrs-2024-0449

Smith, Keith, Mu, Xiaojing, Li, Zhaoqiang, Woodhead, J. Stuart and El-Hiti, Gamal A. 2022. Preparation of a novel group of chemiluminescent N-substituted acridinium esters. Luminescence 37 (11) , pp. 1982-1990. 10.1002/bio.4385

Kariuki, Benson M. ORCID: https://orcid.org/0000-0002-8658-3897, Abdel-Wahab, Bakr F., Bekheit, Mohamed S. and El-Hiti, Gamal A. 2022. Intermolecular interactions of 3,5-bis(4-Methoxyphenyl)-4,5-dihydro-1H-pyrazole-1-carbothioamide in a cocrystal with 1,3-bis(4-Methoxyphenyl)prop-2-en-1-one and dimethylformamide solvate. Crystals 12 (5) , 663. 10.3390/cryst12050663

Kariuki, Benson M. ORCID: https://orcid.org/0000-0002-8658-3897, Abdel Wahab, Bakr F. and El-Hiti, Gamal A. 2021. Synthesis and structural characterization of Isostructural 4-(4-Aryl)-2-(5-(4-fluorophenyl)-3-(1-(4-fluorophenyl)-5-methyl-1H-1,2,3-triazol-4-yl)-4,5-dihydro-1H-pyrazol-1-yl)thiazoles. Crystals 11 (7) , 795. 10.3390/cryst11070795

Mohamed, Hanan A., Khidre, Rizk E., Kariuki, Benson M. ORCID: https://orcid.org/0000-0002-8658-3897 and El-Hiti, Gamal A. 2020. Synthesis of novel heterocycles using 1,2,3‐triazole‐4‐carbohydrazides as precursors. Journal of Heterocyclic Chemistry 57 (3) , pp. 1055-1062. 10.1002/jhet.3840

Smith, Keith, Hegazy, Amany S. and El-Hiti, Gamal A. 2019. The use of polymeric sulfides as catalysts for the para-regioselective chlorination of phenol and 2-chlorophenol. Journal of Sulfur Chemistry 41 (1) , pp. 1-12. 10.1080/17415993.2019.1688815

Alotaibi, Mohammad Hayal, Mohamed, Hanan A., Abdel-Wahab, Bakr F., Hegazy, Amany S., Kariuki, Benson M. ORCID: https://orcid.org/0000-0002-8658-3897 and El-Hiti, Gamal 2019. Crystal structure of N'-(1-(2-hydroxyphenyl)ethylidene)-5-methyl-1-phenyl-1H-1,2,3-triazole-4-carbohydrazide, C18H17N5O2. Zeitschrift für Kristallographie - New Crystal Structures 234 (2) , pp. 355-357. 10.1515/ncrs-2018-0417

El-Hiti, Gamal A., Smith, Keith, Hegazy, Amany S., Alshammari, Mohammed B. and Kariuki, Benson ORCID: https://orcid.org/0000-0002-8658-3897 2014. Crystal structure of 4,4-dibutyl-2-phenyl-3,4-dihydroquinazoline. Acta Crystallographica Section E - Structure Reports Online 70 (10) , o1100. 10.1107/S1600536814020017

El-Hiti, Gamal A., Smith, Keith, Hegazy, Amany S., Ajarim, Mansour D. and Kariuki, Benson ORCID: https://orcid.org/0000-0002-8658-3897 2014. Crystal structure of 2-[4-(methylsulfanyl)quinazolin-2-yl]-1-phenylethanol. Acta Crystallographica Section E - Structure Reports Online 70 (10) , o1101. 10.1107/S1600536814019990

El-Hiti, Gamal A., Smith, Keith, Hegazy, Amany S., Baashen, Mohammed and Kariuki, Benson ORCID: https://orcid.org/0000-0002-8658-3897 2014. Crystal structure of 4-(2,2-dimethylpropanamido)pyridin-3-ylN,N-diisopropyldithiocarbamate. Acta Crystallographica Section E - Structure Reports Online 70 (9) , o1069-o1070. 10.1107/S1600536814019321

El-Hiti, Gamal A., Smith, Keith, Hegazy, Amany S., Masmali, Ali and Kariuki, Benson ORCID: https://orcid.org/0000-0002-8658-3897 2014. Crystal structure of 2-tert-butyl-1,3-thiazolo[4,5-b]pyridine. Acta Crystallographica Section E - Structure Reports Online 70 (9) , o932. 10.1107/S160053681401633X

Alshammari, Mohammed B., Smith, Keith, Hegazy, Amany S., Kariuki, Benson ORCID: https://orcid.org/0000-0002-8658-3897 and El-Hiti, Gamal A. 2014. Crystal structure of 2-ethylquinazoline-4(3H)-thione. Acta Crystallographica Section E - Structure Reports Online 70 (9) , o953. 10.1107/S160053681401664X

Alshammari, Mohammed B., Smith, Keith, Hegazy, Amany S., Kariuki, Benson ORCID: https://orcid.org/0000-0002-8658-3897 and El-Hiti, Gamal A. 2014. Crystal structure of 4-methylsulfanyl-2-phenylquinazoline. Acta Crystallographica Section E - Structure Reports Online 70 (8) , o919. 10.1107/S1600536814015657

El-Hiti, Gamal A., Smith, Keith, Hegazy, Amany S., Alotaibi, Mohammad Hayal and Kariuki, Benson ORCID: https://orcid.org/0000-0002-8658-3897 2014. 1-(2-Bromo-4-chlorophenyl)-3,3-dimethylthiourea. Acta Crystallographica Section E - Structure Reports Online 70 (6) , o704. 10.1107/S1600536814011350

El-Hiti, Gamal A., Smith, Keith, Hegazy, Amany S., Jones, D. Heulyn and Kariuki, Benson ORCID: https://orcid.org/0000-0002-8658-3897 2014. 2-Ethyl-3-[(R)-2-phenylbutanamido]quinazolin-4(3H)-one monohydrate. Acta Crystallographica Section E - Structure Reports Online 70 (4) , o467. 10.1107/S1600536814005996

El-Hiti, Gamal A., Smith, Keith, Balakit, Asim A., Hegazy, Amany S. and Kariuki, Benson ORCID: https://orcid.org/0000-0002-8658-3897 2014. 2,2-Dimethyl-N-(4-methylpyridin-2-yl)propanamide. Acta Crystallographica Section E - Structure Reports Online 70 (3) , o351-o352. 10.1107/S1600536814003729

El-Hiti, Gamal A., Smith, Keith, Elliott, Mark Christopher ORCID: https://orcid.org/0000-0003-0132-0818, Jones, Dyfyr Heulyn and Kariuki, Benson ORCID: https://orcid.org/0000-0002-8658-3897 2013. (E)-2-(1,1-Dicyclohexyl-3-phenylallyl)-5,5-dimethyl-1,3,2-dioxaborinane. Acta Crystallographica Section E - Structure Reports Online 69 (9) , o1403. 10.1107/S1600536813021739

El-Hiti, Gamal, Smith, Keith, Masmali, Ali, Balakit, Asim Alaa Abdalhussein and Kariuki, Benson ORCID: https://orcid.org/0000-0002-8658-3897 2013. 4-(5-{2-[5-(4-Cyanophenyl)-3-methylthiophen-2-yl]-3,3,4,4,5,5-hexafluorocyclopent-1-en-1-yl}-4-methylthiophen-2-yl)benzonitrile chloroform hemisolvate. Acta Crystallographica Section E - Structure Reports Online 69 (7) , o1041. 10.1107/S1600536813014852

Smith, Keith, Alotaibi, Mohammad Hayal H. and El-Hiti, Gamal A. 2013. Highly regioselective dinitration of toluene over reusable zeolite H-beta. Journal of Catalysis 297 (1) , pp. 244-247. 10.1016/j.jcat.2012.10.017

Smith, Keith, El-Hiti, Gamal A. and Alshammari, Mohammed ORCID: https://orcid.org/0000-0001-9687-8747 2013. Variations in site of lithiation of N-[(2-(4-Methoxyphenyl)ethyl)]pivalamide; Use in ring substitution. Synlett 24 (1) , pp. 117-119. 10.1055/s-0032-1317859

Smith, Keith, El-Hiti, Gamal A., Fekri, Ahmed and Alshammari, Mohammed ORCID: https://orcid.org/0000-0001-9687-8747 2012. Side-chain lithiation of 2- and 4-substituted pyridines: Synthesis of more complex substituted pyridines. Heterocycles 86 (1) , pp. 391-410. 10.3987/COM-12-S(N)33

Smith, Keith, El-Hiti, Gamal A. and Alshammari, Mohammed ORCID: https://orcid.org/0000-0001-9687-8747 2012. Variation in the site of lithiation of 2-(2-Methylphenyl)ethanamine derivatives. The Journal of Organic Chemistry 77 (24) , pp. 11210-11215. 10.1021/jo3023445

Abdel-Megeed, Mohamed F., Badr, Badr E., Azaam, Mohamed M. and El-Hiti, Gamal A. 2012. Synthesis and Antimicrobial Activities of Novel Series of Heterocyclic α-Aminophosphonates. Archiv der Pharmazie 345 (10) , pp. 784-789. 10.1002/ardp.201200109

Smith, Keith, Balakit, Asim Alaa Abdalhussein and El-Hiti, Gamal A. 2012. Poly(propylene sulfide)-borane: convenient and versatile reagent for organic synthesis. Tetrahedron 68 (38) , pp. 7834-7839. 10.1016/j.tet.2012.07.037

Abdel-Megeed, Mohamed F., Badr, E., Azaam, Mohamed M. and El-Hiti, Gamal A. 2012. Synthesis and antimicrobial activities of diphenyl (arylamino)(1-phenyl-3-(pyridin-2-yl)-1H-pyrazol-4-yl)methylphosphonates. Phosphorus Sulfur and Silicon and the Related Elements 187 (12) , pp. 1462-1468. 10.1080/10426507.2012.690117

Abdel-Megeed, Mohamed F., Badr, Badr E., Azaam, Mohamed M. and El-Hiti, Gamal A. 2012. Antimicrobial activities of a series of diphenyl (4'-(aryldiazenyl)biphenyl-4-ylamino)(pyridin-3-yl)methylphosphonates. Phosphorus, Sulfur, and Silicon and the Related Elements 187 (10) , pp. 1202-1207. 10.1080/10426507.2012.680084

Morris, Ceri, El-Hiti, Gamal A., Weeks, Ian ORCID: https://orcid.org/0000-0002-6362-2929, Woodhead, Stuart, Smith, Keith and Kille, Peter ORCID: https://orcid.org/0000-0001-6023-5221 2012. Utilising chemiluminescent methods for 'animal-free' toxicology tests [Abstract]. Toxicology Letters 211 (Supp.) , S104-S105. 10.1016/j.toxlet.2012.03.390

El-Hiti, Gamal A., Hegazy, Amany S., Alotaibi, Mohammad Hayal and Ajarim, Mansour D. 2012. Reactions of organolithium reagents with quinazoline derivatives. Arkivoc Online Journal of Organic Chemistry Vii , pp. 35-78.

El-Hiti, Gamal A. 2012. A tribute to Professor Keith Smith: commemorative issue in honor of Professor K. Smith on the occasion of his 65th anniversary. Arkivoc Online Journal of Organic Chemistry (vii) , pp. 1-11.

University College Cardiff Consultants Ltd 2012. Methods for the nitration of aromatic compounds. WO2012/049513 A1. [Patent].

Abdel-Megeed, Mohamed F., Badr, Badr E., Azaam, Mohamed A. and El-Hiti, Gamal A. 2012. Synthesis, antimicrobial and anticancer activities of a novel series of diphenyl 1-(pyridin-3-yl)ethylphosphonates. Bioorganic and Medicinal Chemistry 20 (7) , pp. 2252-2258. 10.1016/j.bmc.2012.02.015

Smith, Keith, Al-Khalaf, Alaa K. H., El-Hiti, Gamal A. and Pattisson, Samuel David 2012. Highly regioselective di-tert-amylation of naphthalene over reusable H-mordenite zeolite. Green Chemistry 14 (4) , pp. 1103-1110. 10.1039/c2gc16443d

El-Hiti, Gamal, Smith, Keith and Alshammari, Mohammed ORCID: https://orcid.org/0000-0001-9687-8747 2012. Lithiation and Substitution of N′-(ω-Phenylalkyl)-N,N-dimethylureas. Synthesis (Stuttgart) 44 (3) , pp. 2013-2022. 10.1055/s-0031-1291008

Smith, Keith, El-Hiti, Gamal A., Hegazy, Amany Saber and Kariuki, Benson ORCID: https://orcid.org/0000-0002-8658-3897 2011. A simple and convenient one-pot synthesis of substituted isoindolin-1-ones via lithiation, substitution and cyclization of N'-benzyl-N,N-dimethylureas. Beilstein Journal of Organic Chemistry 7 , pp. 1219-1227. 10.3762/bjoc.7.142

Smith, Keith and El-Hiti, Gamal A. 2011. Use of zeolites for greener and more para-selective electrophilic aromatic substitution reactions. Green Chemistry 13 (7) , pp. 1579-1608. 10.1039/C0GC00689K

Browne, Kenneth A., Deheyn, Dimitri D., El-Hiti, Gamal A., Smith, Keith and Weeks, Ian ORCID: https://orcid.org/0000-0002-6362-2929 2011. Simultaneous quantification of multiple nucleic acid targets using chemiluminescent probes. Journal of the American Chemical Society 133 (37) , pp. 14637-14648. 10.1021/ja202221h

Smith, Keith, Balakit, Asim Alaa Abdalhussein, Pardasani, Ramchand T. and El-Hiti, Gamal A. 2011. New polymeric sulfide-borane complexes: convenient hydroborating and reducing reagents. Journal of Sulfur Chemistry 32 (4) , pp. 287-295. 10.1080/17415993.2011.590489

Smith, Keith, El-Hiti, Gamal A. and Al Zuhairi, Ali Jassim 2011. The synthesis of polymeric sulfides by reaction of dihaloalkanes with sodium sulfide. Journal of Sulfur Chemistry 32 (6) , pp. 521-531. 10.1080/17415993.2011.616589

El-Hiti, Gamal A., Hussain, Ajaz, Hegazy, Amany Saber and Alotaibi, Mohammad H. 2011. Thioxoquinazoline derivatives: synthesis, reactions and biological activities. Journal of Sulfur Chemistry 32 (4) , pp. 361-395. 10.1080/17415993.2011.601417

Smith, Keith, El-Hiti, Gamal A. and Hegazy, Amany Saber 2010. Lateral Lithiation of N'-(2-Methylbenzyl)-N,N-dimethylurea and N-(2-Methylbenzyl)pivalamide: synthesis of Tetrahydroisoquinolines. Synthesis (Stuttgart) (8) , pp. 1371-1380. 10.1055/s-0029-1219277

Smith, Keith, El-Hiti, Gamal A., Hegazy, Amany Saber and Shalabi, Ahmed Fekri 2010. A simple and convenient high yielding synthesis of substituted isoindolines. Heterocycles 80 (2) , pp. 941-956. 10.3987/COM-09-S(S)61

Smith, Keith, Ajarim, Mansour Dahish and El-Hiti, Gamal A. 2010. Regioselective nitration of deactivated mono-substituted benzenes using acyl nitrates over reusable acidic zeolite catalysts. Catalysis Letters 134 (3-4) , pp. 270-278. 10.1007/s10562-009-0258-7

Smith, Keith, El-Hiti, Gamal A. and Hegazy, Amany Saber 2010. One-pot synthesis of substituted isoindolin-1-ones via lithiation and substitution of N'-benzyl-N,N-dimethylureas. Chemical Communications 46 (16) , pp. 2790-2792. 10.1039/B926983E

Metwally, Mohamed A., Khalifa, Mohamed E. and El-Hiti, Gamal A. 2010. Recent trends in the chemistry of aminobenzo[b]thiophenes. Journal of Sulfur Chemistry 31 (3) , pp. 205-229. 10.1080/17415991003721266

Mohamed, Metwally A., Abdel-Wahabb, Bakr F. and El-Hiti, Gamal A. 2010. 2-Acetylbenzofurans: synthesis, reactions and applications. Current Organic Chemistry 14 (1) , pp. 48-64. 10.2174/138527210790226401

Smith, Keith ORCID: https://orcid.org/0000-0003-4838-5651, El-Hiti, Gamal A., Matthews, Ian, Al-Shamali, Mahmoud and Watson, Trystan 2009. Rearrangement of epoxides to allylic alcohols in the presence of reusable basic resins. Catalysis Letters 128 (1-2) , pp. 101-105. 10.1007/s10562-008-9705-0

Metwally, M. A., Shaaban, S., Abdel-Wahab, B. F. and El-Hiti, Gamal 2009. 3-Acetylindoles: Synthesis, Reactions and Biological Activities. Current Organic Chemistry 13 (14) , pp. 1475-1496. 10.2174/138527209789055063

Smith, Keith ORCID: https://orcid.org/0000-0003-4838-5651, Ajarim, Mansour Dahish, El-Hiti, Gamal A. and Peters, Christelle 2009. Catalytic mononitration of phenol using iso-propyl nitrate over zeolite catalysts. Topics in Catalysis 52 (12) , pp. 1696-1700. 10.1007/s11244-009-9304-3

Smith, Keith. ORCID: https://orcid.org/0000-0003-4838-5651, El-Hiti, Gamal A. and Hegazy, Amany Saber 2009. Unexpected variations in sites of lithiation of N-(2-methoxybenzyl)- pivalamide. Synlett (14) , pp. 2242-2244. 10.1055/s-0029-1217722

El-Hiti, Gamal, Smith, Keith, Hegazy, Amany Saber, Shalabi, Ahmed Fekri and Kariuki, Benson ORCID: https://orcid.org/0000-0002-8658-3897 2009. Variation in sites of lithiation of substituted N-benzylpivalamides and N'-benzyl-N,N-dimethylureas: application in synthesis. Arkivoc Online Journal of Organic Chemistry , pp. 266-300.

Smith, Keith, Evans, David A. and El-Hiti, Gamal A. 2008. Role of modern chemistry in sustainable arable crop protection Role of modern chemistry in sustainable arable crop protection. Philosophical Transactions of the Royal Society B - Biological Sciences 363 (1491) , pp. 623-637. 10.1098/rstb.2007.2174

Abdel-Megeed, Mohamed F., Azaam, Mohamed M. and El-Hiti, Gamal A. 2007. 3-Arylazo-2-thioxo-2,3-dihydro-1H-quinazolin-4-ones as azodisperse dyes for dyeing polyester fabrics. Monatshefte für Chemie 138 (2) , pp. 153-156. 10.1007/s00706-006-0582-1

Smith, Keith and El-Hiti, Gamal A. 2006. Regioselective electrophilic aromatic substitution reactions over reusable zeolites. Current Organic Chemistry 10 (13) , pp. 1603-1625.

Smith, Keith, El-Hiti, Gamal A. and Al-Shamali, Mahmoud 2006. Rearrangement of epoxides to carbonyl compounds in the presence of reusable acidic zeolite catalysts under mild conditions. Catalysis Letters 109 (1-2) , pp. 77-82. 10.1007/s10562-006-0060-8

Smith, Keith, Liu, Chia-Hui and El-Hiti, Gamal A. 2006. A novel supported Katsuki-type (salen) Mn complex for asymmetric epoxidation. Organic & Biomolecular Chemistry 4 (5) , pp. 917-927. 10.1039/B517611P

Smith, Keith, El-Hiti, Gamal A. and Hegazy, Amany Saber 2005. A simple and convenient procedure for lithiation and side-chain substitution of 2-alkyl-4-(methylthio)quinazolines and 2-alkyl-4-methoxyquinazolines. Synthesis (Stuttgart) (17) , pp. 2951-2961. 10.1055/s-2005-916036

Smith, Keith, Liu, Shifang and El-Hiti, Gamal A. 2005. Regioselective mononitration of simple aromatic compounds under mild conditions in ionic liquids. Industrial & Engineering Chemistry Research 44 (23) , pp. 8611-8615. 10.1021/ie050047z

Smith, Keith, Liu, Chia-Hui, El-Hiti, Gamal A., Kang, Gurvinder S., Jones, Elfyn, Clement, Simon G., Checquer, Alex D., Howarth, Oliver W., Hursthouse, Michael Barry and Coles, Simon J. 2005. An extensive study of bromination of cis,trans,trans-1,5,9-cyclododecatriene: product structures and conformations [Addition and correction]. Organic & Biomolecular Chemistry 3 (22) , p. 4158. 10.1039/B514933A

Smith, Keith, Liu, Chia-Hui, El-Hiti, Gamal A., Kang, Gurvinder S., Jones, Elfyn, Clement, Simon G., Checquer, Alex D., Howarth, Oliver W., Hursthouse, Michael Barry and Coles, Simon J. 2005. An extensive study of bromination of cis,trans,trans-1,5,9-cyclododecatriene: product structures and conformations. Organic & Biomolecular Chemistry 3 (10) , pp. 1880-1892. 10.1039/B417156J

Smith, Keith, El-Hiti, Gamal A. and Hegazy, Amany Saber 2005. Addition of alkyllithiums to 3H-quinazoline-4-thione and various substituted quinazoline derivatives; application in synthesis. Journal of Sulfur Chemistry 26 (2) , pp. 121-129. 10.1080/17415990500151472

El-Hiti, Gamal A. and Abdel-Megeed, Mohamed F. 2005. Synthesis of glycosides containing quinazolin-4(3H)-one ring System. Heterocyles 65 (12) , pp. 3007-3041. 10.3987/REV-05-602

Smith, Keith, Liu, Shifang and El-Hiti, Gamal A. 2004. Use of ionic liquids as solvents for epoxidation reactions catalysed by a chiral Katsuki-type salen complex: enhanced reactivity and recovery of catalyst. Catalysis Letters 98 (2-3) , pp. 95-101. 10.1007/s10562-004-7921-9

Smith, Keith, El-Hiti, Gamal A. and Abdel-Megeed, Mohamed F. 2004. Regioselective lithiation of chiral 3-acylamino-2-alkylquinazolin-4(3H)ones: application in synthesis. Synthesis (Stuttgart) (13) , pp. 2121-2130. 10.1055/s-2004-829169

Smith, Keith and El-Hiti, Gamal A. 2004. Regioselective control of electrophilic aromatic substitution reactions. Current Organic Synthesis 1 (3) , pp. 253-274. 10.2174/1570179043366747

Smith, Keith, Lock, Sandra, El-Hiti, Gamal A., Wada, Makoto and Miyoshi, Norikazu 2004. A convenient procedure for bismuth-mediated Barbier-type allylation of aldehydes in water containing fluoride ions. Organic & Biomolecular Chemistry 2 (6) , pp. 935-938. 10.1039/B400179F

Smith, Keith, Ewart, Gordon M., El-Hiti, Gamal A. and Randles, Kenneth R. 2004. Study of regioselective methanesulfonylation of simple aromatics with methanesulfonic anhydride in the presence of zeolite catalysts. Organic & Biomolecular Chemistry 2 (21) , pp. 3150-3154. 10.1039/B409922B

El-Hiti, Gamal A. 2004. Application of organolithium in organic synthesis: A simple and convenient procedure for the synthesis of more complex 6-substituted 3H-quinazolin-4-ones. Monatshefte für Chemie 135 (3) , pp. 323-331. 10.1007/s00706-003-0110-5

El-Hiti, Gamal A. 2004. A simple procedure for the side-chain lithiation of 2-alkyl-3H-quinazoline-4-thiones: application in synthesis. Synthesis -Stuttgart- (3) , pp. 363-369. 10.1055/s-2004-815923

Smith, Keith, El-Hiti, Gamal A. and Mahgoub, Safaa A. 2003. Lithiation and side-chain substitution of 3-alkyl-1H-quinoxalin-2-ones. Synthesis (Stuttgart) (15) , pp. 2345-2348. 10.1055/s-2003-41064

Smith, Keith, El-Hiti, Gamal A. and Hawes, Anthony C. 2003. Carbonylation of doubly lithiated N'-Aryl-N,N-dimethylureas: a novel approach to isatins via intramolecular trapping of acyllithiums. Synthesis (Stuttgart) (13) , pp. 2047-2052. 10.1055/s-2003-41019

Smith, Keith, El-Hiti, Gamal A., Jayne, Anthony J. and Butters, Michael 2003. Acetylation of aromatic ethers using acetic anhydride over solid acid catalysts in a solvent-free system. Scope of the reaction for substituted ethers. Organic & Biomolecular Chemistry 1 (9) , pp. 1560-1564. 10.1039/B301260C

Smith, Keith, Roberts, Simon D. and El-Hiti, Gamal A. 2003. Study of regioselective dialkylation of naphthalene in the presence of reusable zeolite catalysts. Organic & Biomolecular Chemistry 1 (9) , pp. 1552-1559. 10.1039/b212775j

Smith, Keith, El-Hiti, Gamal and Abdel-Megeed, M. F. 2003. Unexpected products from carbonylation of lithiated quinazolin-4(3H)-one derivatives. Russian Journal of Organic Chemistry = Zhurnal Organicheskoi Khimii 39 (3) , pp. 430-435. 10.1023/A:1025558201900

Smith, Keith, El-Hiti, Gamal, Jayne, Anthony J. and Butters, Michael 2003. Acylation of aromatic ethers over solid acid catalysts: scope of the reaction with more complex acylating agents. Organic & Biomolecular Chemistry 1 (13) , pp. 2321-2325. 10.1039/B303906D

El-Hiti, Gamal A. 2003. A convenient one step procedure for the formation of 2-substituted thiazolopyridines. Monatshefte für Chemie 134 (6) , pp. 837-841. 10.1007/s00706-002-0557-9

El-Hiti, Gamal A. 2003. A convenient procedure for the synthesis of novel modified 3 substituted 1H-quinoxaline-2-thiones via side-chain lithiation of 3-alkyl-1H-quinoxaline-2-thiones. Synthesis (Stuttgart) (18) , pp. 2799-2804. 10.1055/s-2003-42486

El-Brollosy, Nasser R., Abdel-Megeed, Mohamed F., Genady, Afaf R. and El-Hiti, Gamal A. 2003. Synthesis of some novel N-glycosyl amines from aminoquinazolin-4(3H)-one derivatives. Afinidad -Barcelona- 60 (504) , pp. 199-205.

El-Hiti, Gamal A., Abdel-Megeed, Mohamed F. and Zied, Tarek M. M. 2002. Synthesis and reactions of some 3 aryl-2-thioxoquinazolin-4(3H)-ones. Indian Journal of Chemistry Section B 41B , pp. 1519-1522. 10.1002/chin.200243189

Smith, Keith and El-Hiti, Gamal 2002. Aiming for greener chemical processes: the Centre for Clean Chemistry in Swansea has been recognised for its work on selective aromatic substitution reactions. Green Chemistry Research Network NewsLett. (GCRN) 2 , pp. 5-6.

El-Hiti, Gamal A. 2001. Recent advances in the synthesis of sulfonic acids. Sulfur Reports 22 , pp. 217-250. 10.1080/01961770108047962

Abdel-Megeed, Mohamed F., El-Hiti, Gamal A. and Zied, Tarek M. 2001. Synthesis of Some Hydrazones and Osazones Containing Bromoquinazolines As Biologically Active Compounds. Delta Journal of Science 25 (1) , pp. 32-38.

Smith, Keith, El-Hiti, Gamal A., Hammond, Mark E. W., Bahzad, Dawoud, Li, Zhaoqiang and Siquet, Christophe 2000. Highly efficient and selective electrophilic and free radical catalytic bromination reactions of simple aromatic compounds in the presence of reusable zeolites. Perkin 1 (16) , pp. 2745-2752. 10.1039/B002157L

El-Hiti, Gamal A. 2000. Synthesis of substituted quinazolin-4(3h)-ones and quinazolines via directed lithiation. Heterocyles 53 (8) , pp. 1839-1868. 10.3987/REV-00-535

El-Hiti, Gamal A., Abdel-Megeed, Mohamed F. and Mahmoud, Yehia A.-G. 2000. Synthesis and antimicrobial activities of novel sugar (2-phenylquinazolin-4-yl)hydrazones and their osazones. Indian Journal of Chemistry Section B 39B (5) , pp. 368-376. 10.1002/chin.200103194

Abdel-Megeed, Mohamed F., El-Hiti, Gamal A., Abdo, Mohamed A. and Saleh, Mohamed A. 2000. A convenient synthesis of novel N-glycosides of 3-(aminophenyl)-4(3H)-quinazolinone derivatives. Revue Roumaine de Chimie 45 (6) , pp. 545-553.

El-Hiti, Gamal A. 2000. Novel sugar (quinazolin-4-yl)hydrazones and dihydrazones (osazones) as potential antimicrobial agents. Alexandria Journal of Pharmaceutical Sciences 14 (2) , pp. 37-40.

Smith, Keith, El-Hiti, Gamal A., Hou, Duanjie and DeBoos, Gareth A. 1999. Preparation and use of sterically hindered organobis(2,4,6-triisopropylphenyl)hydroborates and their polystyrene derivatives for the diastereoselective reduction of ketones. Journal of the Chemical Society, Perkin Transactions 1 (19) , pp. 2807-2812. 10.1039/A904260A

Smith, Keith, El-Hiti, Gamal A. and Shukla, Amba P. 1999. Variation in site of lithiation with ring substituent of N′-aryl-N,N-dimethylureas: application in synthesis. Journal of the Chemical Society, Perkin Transactions 1 (16) , pp. 2305-2313. 10.1039/A903464A

Smith, Keith, El-Hiti, Gamal A., Pritchard, Gareth J. and Hamilton, Anna 1999. Carbonylation of various organolithium reagents. A novel approach to heterocycles via intramolecular trapping of aromatic acyllithiums. Journal of the Chemical Society, Perkin Transactions 1 (16) , pp. 2299-2303. 10.1039/A903467F

Smith, Keith, El-Hiti, Gamal A., Takahashi, T. and Hou, D. J. 1999. Selective polymeric organoborohydride agents: Synthesis and applications. Abstracts of Papers of the American Chemical Society 218 , U729-U730.

Smith, Keith, El-Hiti, Gamal A., Abdel-Megeed, Mohamed F. and Abdo, Mohamed A. 1999. Convenient synthesis of more complex 2-substituted 4(3H)-quinazolinones via lithiation of 2-alkyl-4(3H)-quinazolinones. Collection of Czechoslovak chemical communications 64 (3) , pp. 515-526. 10.1135/cccc19990515

Smith, Keith, El-Hiti, Gamal A. and Hawes, Anthony C. 1999. A novel procedure for the formation of isatins via carbonylation of lithiated N'-aryl-N,N-dimethylureas. Synlett (Supp.1) , pp. 945-947. 10.1055/s-1999-3085

Abdo, Mohamed A., Zeid, Ibrahim F., El-Hiti, Gamal A. and Mahmoud, Olfat 1999. Some reactions of 2-phenyl-4(3H)-quinazolinones. Indian Journal of Chemistry Section B 38B (7) , pp. 850-853. 10.1002/chin.200003152

El-Hiti, Gamal A. 1999. Proton nuclear magnetic resonance spectroscopy: significant barriers to rotation about N-N bonds in 3-acylaminoquinazolin-4(3H)-one derivatives. Spectroscopy Letters 32 (4) , pp. 671-677. 10.1080/00387019909350016

Abdel-Megeed, Mohamed F., El-Hiti, Gamal A., Saleh, Mohamed A., Abdo, Mohamed A. and Awadalla, Sahar E. 1999. A convenient synthesis of novel hydrazones and osazones of 2-hydrazino-3-phenyl-4(3H)-quinazolinone. Revue Roumaine de Chimie 44 (1) , pp. 67-76.

Abdel-Megeed, Mohamed F., El-Hiti, Gamal A. and Teniou, Abdel-Rahman 1999. The Action of Methylmagnesioum Iodide on 6-Bromo-2-Phenyl-4H-3,l-Benzoxazinone and its 4(3H)-Quinazolinones. Delta Journal of Science 23 (1) , pp. 131-137.

El-Hiti, Gamal A., Mahgoub, Safa, Abdel-Megeed, Mohamed F. and Mahmoud, Yehia A.-G. 1999. Synthesis and Biological Activities of Novel (3-Methylquinoxalin-2-YL)Hydrazones and Osazones of Aldoses. Delta Journal of Science 23 (1) , pp. 117-130.

Abdel-Megeed, Mohamed F., El-Hiti, Gamal A., Ibrahim, H. A. and Issa, Rafat M. 1999. Mass spectral fragmentation patterns of benzilic and mandelic acid hydrazides and their arylidene derivatives. Delta Journal of Science 23 (1) , pp. 104-116.

Smith, Keith, El-Hiti, Gamal A, and Hamilton, Anna 1998. Unexpected formation of substituted anilides via reactions of trifluoroacetanilides with lithium reagents. Journal of the Chemical Society, Perkin Transactions 1 (24) , pp. 4041-4042. 10.1039/A808004F

EL-Shora, Abdel-Fatah I. and El-Hiti, Gamal A. 1998. Crystal and Molecular Structure of 2-Hydrazino-3-methylquinoxaline. Egyptian Journal of Solids 20 (1) , pp. 111-117.

El-Shora, Abdel-Fatah I. and El-Hiti, Gamal A. 1998. Crystal and Molecular Structure of 3-Amino-2-(4-methylphenylamino)quinazolin-4(3H)-one. Egyptian Journal of Solids 21 (1) , pp. 163-170.

El-Hiti, Gamal A. 1997. A convenient synthesis of 1,2-dihydro-1,2,4-triazolo[3,2-b]quinazolin-9(1H)-ones and their 1,2,4-triazolo derivatives. Bulletin of the Chemical Society of Japan 70 (9) , pp. 2209-2213. 10.1246/bcsj.70.2209

El-Segaii, Azza A., El-Hiti, Gamal A., El Assal, Ahmed M. and Sayyah, S. M. 1997. Two organometallic compounds for improving the properties of acrylic resin. Cairo Dental Journal 13 , pp. 43-49.

Smith, Keith, El-Hiti, Gamal A., Abdel-Megeed, Mohamed F. and Abdo, Mohamed A. 1996. Lithiation of 2-alkyl-3-amino- and 2-alkyl-3-(methylamino)-4(3H)-quinazolinones. Journal of organic chemistry 61 (2) , pp. 656-661. 10.1021/jo950989l

Smith, Keith, El-Hiti, Gamal A., Abdel-Megeed, Mohamed F. and Abdo, Mohamed A. 1996. Lithiation of 3-(acylamino)-2-unsubstituted-, 3-(acylamino)-2-ethyl-, and 3-(acylamino)-2-propyl-4(3H)-quinazolinones: Convenient syntheses of more complex quinazolinones. Journal of organic chemistry 61 (2) , pp. 647-655. 10.1021/jo950988t

Saleh, Mohamed A., Abdo, Mohamed A., Abdel-Megeed, Mohamed F. and El-Hiti, Gamal A. 1996. Amadori rearrangement of N-glucosides of 6-substituted 3-amino-2-aryl-4(3H)-quinazolinones. Indian Journal of Chemistry Section B 35B (2) , pp. 147-150. 10.1002/chin.199617207

Smith, Keith, El-Hiti, Gamal A., Abdo, Mohamed A. and Abdel-Megeed, Mohamed F. 1995. Regiospecific electrophilic substitution of aminoquinazolinones: directed lithiation of 3-(pivaloylamino)- and 3-(acetylamino)-2-methylquinazolin-4(3H)-ones. Journal of the Chemical Society, Perkin Transactions 1 (8) , pp. 1029-1033. 10.1039/P19950001029

Abdo, Mohamed A., Abdel-megeed, Mohamed F., Saleh, Mohamed A. and El-Hiti, Gamal A. 1995. Reaction of 6-substituted 3-amino-2-aryl-4(3H)-quinazolinones with D-glucose and D-galactose. Polish Journal of Chemistry 69 , pp. 583-590.

Abdel-Megeed, Mohamed F., Saleh, Mohamed A., Abdo, Mohamed A. and El-Hiti, Gamal A. 1995. Reaction of 6-substituted 3-amino-2-phenyl-4(3H)-quinazolinones with D-ribose and L-arabinose. Collection of Czechoslovak Chemical Communications 60 , pp. 1016-1025. 10.1135/cccc19951016

Abdel-Megeed, Mohamed F., Aly, Youssef L., Saleh, Mohamed A., Abdo, Ibrahim M., El-Hiti, Gamal A. and Smith, Keith 1995. Novel one-pot procedure for the preparation of 3-substituted 2-thioxo-4(3H)-quinazolinones. Sulfur Letters 19 (3) , pp. 129-140.