• •

- V

THE FIRST INTERNATIONAL CONFERENCEIN CHEMISTRY AND ITS APPLICATIONS

DECEMBER 7-9,1993

The First International Conference inChemistry and its Applications

Scientific Programme

All the events and activities will take place at the University of Qatar,except otherwise indicated. The conference secretariate will remain openthroughout the conference.

The badge which is delivered upon registration will be required foraccess to lectures and the poster session and therefore should be worn.

Posters can be placed at any time on Sunday December 5, after 16.00.They can remain in place until the closure time on Thursday.

Monday, 6 December 1993:18:30 - 20:30 Registration (Oasis Hotel)

20:30 - 21:30 Reception (Oasis Hotel)

Tuesday, 7 December 1993:08:00 - 09:00 Registration (Student Activity Building)

09:00 - 09:45 Opening Ceremony (Educational Technology Centre,ETC)

09:45- 10:15 Break

Chairman: Prof. R.R. Ernest (Switzerland)

10:15 - 11:15 General lecture (1) (ETC, Conference Hall)D.H.R. Barton (Invited Speaker, USA)The invention of radical reactions. p. 321

11:15- 11:45 General lecture (2) (ETC, Conference Hall)I.S. AL-Naimi (Qatar)The establishment and development of theDepartment of Chemistry. p. 45

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11:45 - 13:00 A Tour in the Faculty of Science

13:00 - 15:00 Lunch break

15:00 - 16:00 Posters (Student Activity Building)

Session A-l: (Environmental Chemistry)Chairman: Dr. A.H. Al-Kubaisi (Qatar)

16:00 - 16:45 J.M. Al-Hassan (Invited Speaker, Kuwait)Kuwait environment disaster as resulted from the IraqiInvasion. p. 117

16:45 - 17:00 Break

17:00 - 17:20 S. Noureddin (Syria)Investigations of some heavy metal levels in seawaterand zooplankton of coastal area of Lattakia region(Syria). p. 125

17:20 - 17:40 F.I. Kanbour (Bahrain)

Elemental analysis of suspended particulates in theambient air of Baghdad City. p. 132

!7:40 - 18:00 F.A. Fahim (Egypt)Flow and accumulation of pollutants (heavy metals) in anecosystem. p. 135

18:00 - 18:20 A.T. Abdel Fattah (Egypt)Environmental monitoring at Inshas area. p. 138

Session: A-2: (Analytical Chemistry)Chairman: Prof. S.S.M. Hassan (Egypt)

18:35 - 19:20 T. Braun (Invited Speaker, Hungary)Analytical chemistry on the balance: Growth and trendsof an interdisciplinary science subfield. p. 51

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19:20 - 19:40 F.O. Suliman (Saudi Arabia)Flow injection spectrophotometric method for the assayof chlorpromazine in pharmaceutical preparations.

p. 70

19:40 - 20:00 A.E.H. Abdel Raziq (Sudan)The use of some organic charge-transfer complexes asgas sensor. p. 87

20:00 - 20:20 A.A. Alwarthan (Saudi Arabia)Flow-injection determination of kanamycin by inhibiting

of lucigenin-H2O2-Co + system. p. 73

Session B-l: (Biochemistry)Chairman: Prof. S.J.Wakil (U.S.A.)

16:00 - 16:30 E. Hecker (Germany)Risk of life style cancer by produce of livestock fed onspecies of spurge (Euphorbiaceae) containing tumor-promoting diterpene esters. p. 202

16:30 - 16:50 A.A. El-Aaser (Qatar)Effect of Vicia faba and bran feeding on nitrosaminecarcinogenesis and formation. p. 210

16:50 - 17:05 Break

17:05 - 17:25 A.M. Ibrahim (Egypt)An early marker of monoclonal light chain protein inbladder cancer. p. 208

17:25 - 17:45 A.S. El-Sharaky (Qatar)The effect of gossypol, gossypolone and apogossypol onthe lipids of male rat serum and seminal fluid. p. 219

17:45 - 18:05 A.A. El-Aasar (Qatar)Studies on possible factors in saliva in the etiology oforal cancer. p. 211

18:05 - 18:20 Break 19

Session B-2: (Biochemistry)Chairman Prof. J.M. Al-Hassan (Kuwait)

18:20 - 19:05 M.E. Eldefrawi (Invited Speaker, USA)The chemistry of cocaine and its addiction. p. 200

19:05 - 19:25 Y.M. Megahed (Egypt)Blood catecholamines in gamma irradiated rats andresponse to radioprotective treatment. p. 224

19:25 - 19:45 S.A. El-Nagdy (Qatar)The amino acid composition of some common marinealgae from Qatar, Arabian Gulf. p. 231

19:45 - 20:05 S.M.M. Akl (Saudi Arabia)Age-related changes in the ability of the liver to inducemixed function oxidase system by phenobarbital andmetabolise carcinogens. p. 238

Session C-l: (Inorganic Chemistry)Chairman: Prof. S. Iijima (Japan)

16:00 - 16:30 G. Davies (Invited Speaker, USA)Highly selective zeolite supported copper - nickelcatalysts made from transmetallation products. p. 257

16:30 - 16:50 A. Baghlaf (Invited Speaker, Saudi Arabia)Synthesis and spectroscopic studies of some ruthenium (TOcomplexes. p. 255

16:50- 17:05 Break

17:05 - 17:35 W. Griffith (Invited Speaker, UK)Platinum group oxocomplexes as catalytic organicoxidants. p. 258

17:35 - 17:55 R. Agarwal (India)Stereochemistry of some high coordination compoundsof dioxouranium (VI) with thiosemicarbazones. p. 300

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17:55-18:15 E. Ibrahim (Qatar)Electronic spectral studies of some charge - transfercomplexes of purine analogue 'of biological interest'with iodine. p. 307

18:15-18:35 Break

Session C-2: (Inorganic Chemistry)Chairman: Prof. W. Griffith (UK)

18:35 - 19:10 R. Taylor (Invited Speaker, UK)Isolation, seperation and characterisation of closed cagecarbon fullerenes. p. 263

19:10 - 19:30 M. Taqui Khan (India)Photolytic stoichiometric oxygen atom transfer tocoordinated nitrogen. p. 279

19:30 - 19:50 N. Kbir (Saudi Arabia)Substitution of cesium for calcium in hydroxyapatite.

p. 283

19:50 - 20:10 H. Mabrouk (Saudi Arabia)Oxidative addition reactions of tin (II) chloride withsome hydrazides. p. 271

20:10-20:30 A. El-Hendawy (Qatar)Ruthenium(II), ruthenium(III) and osmium(III)complexes with N,N-neutral donor ligands, and theircatalytic oxidation. p. 295

Session D-l: (Organic Chemistry)Chairman: Prof. K. Hafner (Germany)

16:00 - 16:20 A.M. El-Naggar (Egypt)Structure activity relationships of various substituted-amino acids and dipeptide derivatives. p. 372

21

16:20 - 16:40 A.O. Abdelhamid (Saudi Arabia)Reactions of cyanothioacetamid and its derivatives withhydrazidoyl halides: A novel synthesis of somehydrazidoyl sulfides, thiadiazolines, thiazoles andcoumarines. p. 382

16:40 - 17:00 M.A.E. Shaban (U.A. Emirates)The synthesis of a cyclo C_ nucleoside analogs. p. 361

17:05 - 17:20 Break

17:20 - 18:10 M.H. Elnagdi (Kuwait)Alkylheteroaromatics as building blocks for the synthesisof condensed polyfunctionally substituted heterocycles.

p. 345

18:10-18:35 Break

Session D-2: (Organic Chemistry)Chairman: Prof. D.H. R. Barton (USA)

18:35 - 19:20 K. Hafner (Invited Speaker, Germany)New aspects in the chemistry of pentafulvenes. p. 325

19:20 - 20:00 A. Gilbert (United Kingdom)Direct access to complex polycyclic skeleta usingbenzene photoaddition chemistry. p. 412

20:00 - 20:20 A. Ismaiel (Egypt)Abbreviated analogs of the 5-HT antagonist ketanserin

p. 370

Session E-l: (Physical Chemistry)Chairman: Prof. R.R. Ernst (Switzerland)

16:00 - 16:45 M.A. El-Sayed (Invited Speaker, USA)Determination of the structure of and the subpicosendrates of energy redistribution in the transition states ofcertain photodissociation molecules. p. 495

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16:45 - 17:05 R.H. Simoyi (USA)Chemical chaos in a dissipative dynamical system - TheBelousov - Zhabotinskii oscilator. p. 563

17:05 - 17:20 Break

17:20 - 17:40 S.E.M. Hamam (Qatar)Determination of the diffusion coefficient of vanadylchloride in water. p. 548

17:40 - 18:00 D. Solpan (Turkey)Conservation and consolidation of wooden objects.

p. 554

18:00 - 18:20 L. Belkbir (Morocco)Pyrolysis of two Moroccan wood species under nitrogenenvironment. p. 556

18:20-18:35 Break

Session E-2: (Physical Chemistry)Chairman: Prof. M.A. El-Sayed (USA)

18:35 - 19:20 R.R. Ernst (Invited Speaker, Switzerland)The fascination of nuclear magnetic resonance inChemistry, Biology and Medicine Part I: Multi-dimensional NMR and its applications to biologicalmacromolecules. p. 496

19:20 - 19:40 M.A. Abu Tabl (Egypt)The electrochemical reduction of 2-aryl hydrazono-cyanomethyl-1, 3-benzothiazoles at DMF. p. 504

19:40 - 20:00 M.A. Morsi (Egypt)Electrochemical behaviour of some pyrimidinederivatives. p. 509

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20:00 - 20:20 S.S. Abd El Rehim (Egypt)Effect of some sulphur containing anions on the anodicbehaviour of zinc in alkaline medium. p. 522

Wednesday, 8 December 1993:Chairman: Prof. D.H. Barton (USA)

08:30 - 09:30 G e n e r a l L e c t u r e (3) (Conference Hall - Administration Building)

Prof. A.H. Zewail(USA)Lasers and chemistry: new opportunities for the future.

p. 4709:30 - 10:00 Break

Session A-3: (Analytical Chemistry)Chairman: Prof. T. Braun (Hungary)

10:00 - 10:30 S.S.M. Hassan (Invited Speaker, Egypt)Recent advances and trends in research and teaching ofanalytical chemistry. p. 54

10:30 - 10:50 H.A. El-Naggar (Egypt)Solvent extraction of Cs(I), Zn(II), Eu(III) and Am(III)by 2-heptyl-2-methyl-nonanoic acid (HA) from nitratesolutions. p. 57

10:50 -11:10 E.E. Elbashier (Sudan)Determination of ascorbic acid by high performanceliquid chromatography (HPLC) using photodiode arraydetector. p. 64

11:10-11:30 S. Antakli (Syria)Effect of chemical grafting on superficial structure ofporous bentonite as support. p. 67

11:30 - 11:50 M.N. Abbas (Egypt)Polyurethane foam as a suitable inexpensive soliddosimeter. p. 103

11:50-12:05 Break24

Session A-4: (Analytical Chemistry)Chairman: Prof. A.G. Hamza (Saudi Arabia)

12:05 - 12:25 S.S.M. Hassan (Invited Speaker, Egypt)Analytical chemistry of the 21st century. p. 53

12:25 - 12:45 Z. Senturk (Turkey)Voltammetric studies on a glassy carbon electrode.Applied a new pretreatment. p. 100

12:45 - !3:O5 M.A. Zayed (Egypt)Preparation, structure investigation, and thermal analysisof some pyrocatechol azo compounds. p. 104

13:05 - 13:25 M.E.M. Hassouna (Egypt)Simultaneous potentiometric microdetermination ofmercury, cadmium and calcium in organic compoundsafter oxygen flask combustion. p. 97

13:25 - 16:00 Lunch Break

Session B-3: (Phytochemistry)Chairman: Prof. A.M. Rizk (Qatar)

10:00 - 10:45 N.A.M. Saleh (Egypt)Flavonoids of African origin. p. 444

10:45-11:25 J. Mann (UK)The photo-catalysed addition of alcohols to butenolides:Synthesis of novel nucleosides, amino acids, and othernatural products. p. 441

11:25 - 11:45 M.M.H. El-Mallah (Egypt)Detailed studies on the seed oil constituents of Salicorniabigelovii cultivated on the Egyptian border of Red Sea.

p. 46111:45-12:00 Break

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Session B-4: (Phytochemistry)Chairman: Prof. N.A.M. Saleh (Egypt)

12:00 - 12:30 A.A. Ahmed (Egypt)Terpenoids from the Compositae. p. 437

12:30 - 12:50 S.I. El-Gengaihi (Egypt)A novel pyrimidine glycosides from Momordicacharantia L. p. 452

12:50 - 13:10 H.S. Al-Easa (Qatar)Sterol composition of some algae from Qatari waters.

p. 435

13:10 - 13:30 M.H.A. Elgamal (Egypt)Isolation of two novel adjuncts from the fruits of Amrnimajus L.

13:30-16:00 Lunch Break p. 450

Session C-3: (Polymer Chemistry)Chairman: Prof. A.A. EI-Miligy (Egypt)

10:00 - 10:45 W.J. Feast (Invited Speaker, UK)Making and manipulating conjugated organic polymers.Novel electroactive materials. p. 323

10:45 - 11:25 K. Mullen (Invited Speaker, Germany)Electron transfer and electron storage in extended it-systems, p . 331

11:25 - 11:45 S.H. Hamid (Saudi Arabia)Applications of thermal analysis methods for polymtfcharacterization. p.470

11:45-12:00 Break

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Session C-4: (Polymer Chemistry)Chairman: Prof. W.J. Feast (UK)

12:00 - 12:45 W. Kaminsky (Invited Speaker, Germany)Recycling of polymers in pyrolysis. p. 329

12:45 - 13:05 A.A. El-Miligy (Egypt)Influence of polyfunctional monomers and fillers onradiation vulcanization of ethylene-propylene dienerubber. p 477

13:05 - 13:25 M.E. Kassem (Qatar)Dielectric properties of y-irradiated low densitypolyethylene. p. 468

13:25 - 13:45 A.A. Higazy (Qatar)Ultrasonic characterization, hardness and dielectricproperties of y-irradiated polyvinyl chloride, p. 469

13:45-16:00 Lunch Break

Session D-3: (Organic Chemistry)Chairman: Prof. C. Parkanyi (USA)

10:00 - 10:55 D.H.R. Barton (Invited Speaker, USA)The selective functionalization of saturated hydro-carbons, p. 322

10:55 - 11:45 A.S. Shawali (Egypt)Recent trends in chemistry of hydrazonyl halides.

p. 344

11:45-12:00 Break

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Session D-4: (Organic Chemistry)Chairman: Prof. A.H. Harhash (Egypt)

12:00-12:45 H. Hopf (Invited Speaker, Germany)Cyanoalkynes - interstellar molecules with syntheticapplications on earth. p. 327

12:45 - 13:25 G.H. Elgemeie (Qatar)Synthesis of some new antimetabolites withchemotherapeutic effects. p. 346

13:25-13:45 I. Zeid (Egypt)Synthesis of thioxanthenyl substituted heterocycles withpotential anti-viral activity. • p. 377

13:45-16:00 Lunch Break

Session E-3: (Industrial Chemistry)Chairman: Prof. W.T. Hanbury (UK)

10:00 - 10:45 M. Dakkouri (Germany)Electron diffraction investigations of the structuralconsequences of substituent effects in various novelcyclopropane systems. p. 491

10:45 - 11:05 S.S. Elnashaie (Saudi Arabia)Periodic and chaotic behaviour of unforced and forcedfluidized bed catalytic reactors. p. 156

11:05 - 11:25 R. Paludetto (Italy)An innovative technology for isomers industrialseparation. p. 140

11:25 - 11:45 S.S. Elshishini (Saudi Arabia)Bifurcation and dynamic behaviour of industrial FluidCatalytic Cracking (FCC) units. p. 178

11.45-12:00 Break

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Session E-4: (Physical Chemistry)Chairman: Prof. D.D. Traficant (USA)

12:00 - 12:45 R.R. Ernst (Invited Speaker, Switzerland)The fascination of nuclear magnetic resonance inchemistry, biology, and medicine. Part II: The study ofmaterials by solid-state NMR and magnetic resonanceimaging. p. 497

12:45 - 13:05 A.Y. Abd El Rahman (Egypt)Comparative studies on the adsorption of AOT andCTAB surfactants on fluorite mineral. p. 536

13:05 - 13:25 M.A. Salem (Qatar)Kinetics of peroxydisulphate oxidation of benzidine inaqueous media containing sodium dodecyl sulphatemicelles. p. 523

13:25 - 13:45 R. Al Qasmi (U.A. Emirates)Thermodynamic properties of gold erobium alloys.

p. 54213:45 - 16:00 Lunch Break

Session A-5: (Polymer Chemistry)Chairman: Prof. W. Kaminsky (Germany)

16:00 - 16:45 WJ. Feast (Invited Speaker, UK)New materials via ring-opening metathesis polymeri-sation, p. 324

16:45 - 17:05 I.I. Abu-Abdoun (Jordan)Photoinitiators for polymerization of vinyl monomers.

p. 472

17:05 - 17:20 Break

17:20 - 18:00 K. Mullen (Invited Speaker, Germany)Organic synthesis and materials sciences. p. 330

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18:00 - 18:20 A. El-Shekeil (Yemen)

Organic conducting polymers. p. 463

18:20-18:35 Break

Session A-6: (Polymer Chemistry)Chairman: Prof. S.H. Hamid (Saudi Arabia)18:35 - 19:20 W. Kaminsky (Invited Speaker, Germany)

New polymers by metallocene catalysts. p. 328

19:20 - 19:40 Y.A. Ragab (Sudan)The microstructure of furan-maleic anydride copoly-mer. p. 474

19:40-20:00 A.A. Yassin (Egypt)Studies on the stabilization of rigid poly (vinyl chloride)against thermal oxidative degradation. p. 475

Session B-5: (Biochemistry)Chairman: Prof. E. Hecker (Germany)

16:00 - 16:45 S.J. Wakil (Invited Speaker, USA)Regulation of fatty acid synthesis in eucaryotes. p. 205

16:45 - 17:00 Break

17:00 - 17:20 A.S. El-Sharaky (Qatar)The effect of gossypol and some of its metabolites on thefatty acids pattern of lipid fractions of male rats serumand seminal fluid. p. 217

17:20 - 17:40 A.S. Hassan (Qatar)Change in fatty acid contents of frying oils used in fastfood chain in Kuwait. p. 221

17:40 - 18:00 F.A. Fahim (Egypt)Biochemical studies on (3-adrenergic blocking agent(atenolol) on liDid metabolism. p. 216

30

18:00 - 18:20 B. Shabsoug (Jordan)Analysis of gallstone by infrared and wet chemistrymethods from patients in northern Jordan. p. 234

Session B-6: (Biochemistry)Chairman: Prof. E. Hecker (Germany)

18:35 - 19:20 J.M. Al-Hassan (Invited Speaker, Kuwait)An Arabian Gulf catfish toxic secretion, the scientificjourney from a sting to a healing preparation (chemicaland biochemical properties). p. 199

19:20 - 19:40 S.A. El Nagdy (Qatar)Chemical assessement of some traditional Qatari dishes.

p. 232

19:40-20:00 M.M. Rashad (Egypt)Production of edible white protein concentrate fromturnip leaves. p. 229

20:00 - 20:20 L.M. Faddah (Egypt)Effect of some factors on the level of certainbiochemical parameters in Biomphalaria alexandrinasnails. p. 251

Session C-5: (Inorganic Chemistry)Chairman: Prof. A. Baghlaf (Saudi Arabia)

16:00 - 16:45 S. Iijima (Invited Speaker, Japan)Carbon nanotubes: A new type of carbon. p. 260

16:45-17:00 Break

17:00 - 17:20 M. Muhammed (Invited Speaker, Sweden)Molecular engineering of nanophase materials, p. 261

17:20 - 17:40 B. Taqui Khan (India)Amino acid complexes of Pd(II) and Pt(II) with purinesand pyrimidines. p. 278

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17:40 - 18:00 M. Ali (Egypt)Reactions involving nitrogen compounds and peroxideformation in the jet fuel - oxidation chemistry, p. 280

18:00 - 18:20 N. Nawar (Egypt)Synthesis and reactivity of iron, iridium heterobimetalliccomplexes using tridentate phosphine ligands. p. 281

18:20-18:40 Break

Session C-6: (Inorganic Chemistry)Chairman: Prof. G. Davies (USA)

18:40-19:10 W. Griffith (Invited Speaker, UK)Transition metal peroxo complexes as epoxidationcatalysts. p. 259

19:10-19:40 D. Rice (UK)The reaction of metal carbonyls with Se. p. 311

19:40 - 20:00 M. Muhammed (Invited Speaker, Sweden)Hydrometallurgical recovery of precious metals, p. 262

20:00 - 20:20 S. El-Fekey (Egypt)Studies on some uranium oxides in the compositionrange UO3-U3Og.z. p. 292

Session D-5: (Organic Chemistry)Chairman: Prof. A.S. Shawali (Egypt)

16:00 - 16:45 K. Undheim (Norway)Stereoselective syntheses of "brdiged" amino acids.

p. 336

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16:45 - 17:05 K.A.M. El Bayouki (Egypt)Newly synthesized 6-substituted aminopurines and thecorresponding 3-alkylpurinum salts with antitumorand/or cytostatic properties against HIV-infected cells.

p. 386

17:05 - 17:20 Break

17:20 - 17:40 A.M. El-Khawaga (U.A. Emirates)Antidepressant agent analogs: synthesis of derivatives of4-amino-2,3: 6,7-dibenzobicyclo[3.2.2]-nona-2,5-diene.

p. 371

17:40 - 18:00 H. I. El-Subbagh (Egypt)Synthesis and biological evaluation of certain thiazolederivatives as potential antitumor antibiotics. p. 368

18:00 - 18:20 A.O. Barakat (Egypt)The occurrence and identification of C33, C37 and C38organic sulfur compounds in sediment extracts, p. 431

18:20 - 18:35 Break

Session D-6: (Organic Chemistry)Chairman: Prof. K. Undheim (Norway)

18:35 - 19:20 C. Parkanyi (Invited Speaker, USA)Synthesis of novel potential anticancer and antiviralagents. p. 332

19:20 - 19:40 A.I. Selim (Saudi Arabia)Liquid chromatographic separation of the enantiomersof racemic a-aminophosphonates as their N-3,5-dinitrobenzoyl derivatives on chiral fluorocarbinolstationary phases. p. 420

33

19:40 - 20:00 S.M.S. Al-Shehri (Saudi Arabia)Synthesis of isoindolinedione,pyrazolo[3,4-d]pyrimidine,pyrazolo[3,4-d]pyridazine and pyrazolo[2,3-a]quinazoli-none derivatives. p. 381

20:00 - 20:20 M.N. Al-Kathiri (Saudi Arabia)Reactions with 2-(thiocyanoacetyl) and 2-(selenocyano-acetyl)Naphthalines: Synthesis of some newthiadiazoline, selenadiazoline, thiadiazolo[2,3-b] Quina-zoline and Arylazothiazole derivatives. p. 380

Session E-5: (Petroleum and Cement Chemistry)Chairman: Prof. H.A. Tayim (Saudi Arabia)

16:00 - 16:45 M. Dakkouri (Germany)Video representation of the effect of mass on thepseudorotational motion in cyclopentanes. p. 493

16:45 - 17:00 Break

17:00 - 17:20 F.A. Al-Kawari (Qatar)Solving the foaming and carry over problems of alkazidunit. p. 136

17:20-17:40 H. Al-Rashid (Qatar)Effect of inert gas over high pressure radicalpolymerization (Auto-clave). p. 164

17:40 - 18:00 A.H. Ali (Egypt)Assesment of cement dust with anhydrite as an activatorfor granulated slag. p. 159

18:00 - 18:20 A.M. Sharara (Egypt)Hydration characteristics of P-C2S in the presence ofsome pozzolanic materials. p. 161

18:20-18:35 Break

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Session E-6: (Natural Gas and Petroleum Chemistry)Chairman: Prof. M. Dakkouri (Germany)

18:35 - 19:05 A. Jess (Germany)From natural gas to liquid hydrocarbons-results ofinvestigations in semi-technical scale, p. 162

19:05 - 19:25 A. Mubarak (Qatar)Thermodynamics of the sulfur-vanadium-iron inter-actions governing the corrosion-anticorrosionmechanisms involved in natural gas desulfurisationplants. p. 165

19:25 - 19:45 H.A. Farag (Qatar)Catalytic oxidation of petroleum waxy distillates,p. 173

19:45 - 20:05 H.A. Tayim (Saudi Arabia)Application of membrane reactors in the dehydrogena-tion reactions of the petrochemical processes. p. 174

20:05 - 20:20 J.A. Anabtawi (Saudi Arabia)Effect of hydrodesulfurization on sulfur compoundsdistribution in naphtha. p. 170

Thursday, 9 December 1993:Chairman: Prof. H. Hafner (Germany)

08:30 - 09:30 General Lecture (4) (Conference Hall - Administration Building)Prof. M.A. El-Sayed (USA)The primary steps in solar to electric energy conversionby the other natural photosynthetic system,bacteriorhodopsin. p. 47

09:30 - 10:00 Break

Session A-7: (Analytical Chemistry)Chairman: Prof. A.A. Alwarthan (Saudi Arabia)

10:00 - 10:45 E. Eldefrawi (Invited Speaker, USA)The application of chemistry to biodetection of nervegases and environmental pollutants. p. 55

35

10:45 - 11:05 K.Z. Ismail (Qatar)Charge transfer complex formation constants of EDTAwith methylviologen and zwitterion analoges. p. 315

11:05 - 11:25 S. El-Shahawi (U.A. Emirates)Spectroelectrochemistry of 4-(dicyano-methylene)-3-methyl-l-phenyl-2-pyrazolin-5-one using an opticallytransparent thin layer electrode (OTTLE). p. 74

11:25 - 11:45 A.B. Farag (Qatar)Advances in reagent foam preparation for the separationand preconcentration of trace metals. p. 63

11:45-12:00 Break

Session A-8: (Analytical Chemistry)Chairman: Prof. A.B. Farag (Qatar)

12:00 - 12:45 T. Braun (Invited Speaker, Hungary)Crystal hydration enhanced isotopic exchange in solid -liquid systems: A novel effect and its analyticalapplications. p. 52

12:45 - 13:05 M.B. Saleh (Egypt)Comparative study of two analytical methods: ion-selective potentiometry and flame photometry for thedetermination of potassium in plant and soil fluids.

p. 91

13:05 - 13:25 F.A. Nour El-Dien (Egypt)Microdetermination of some inorganic constituentsaccumulated in some Egyptian plants digested byKjeldahl flask and analyzed by direct current emissionand flame atomic absorption spectrometry. p. 75

13:25 - 13:45 M.R. Ezz El-Din (Egypt)Vertical Distribution of 137Cs and mCs in soil strata ofChernobyle area. p. 277

36

Session B-7: (Desalination)Chairman: Prof. S.S.E.H. Elnashaie (Saudi Arabia)

10:00 - 10:30 W.T. Hanbury (United Kingdom)Some thoughts on the limitations on increasing the unitsizes of conventional cross-tube MSF distillation plants.

p. 118

10:30 - 10:50 B. Bouchekima (Algeria)Improvement of efficiency of a solar distiller with acapillary film applied for water desalination. P. 121

10:50 - 11:10 S. Khorfan (Syria)The interaction between desalination and environment.

p. 12211:10 - 11:40 W.T. Hanbury (UK)

Reverse osmosis as a desalination process-what is thescope for improvement? p, 119a

11:45-12:00 Break

Session B-8: (Industrial Chemistry)Chairman: Prof. K. Mullen (Germany)

12:00 - 12:20 B. Hamrouni (Tunis)Thermodynamic description of saline waters predictionof scaling limits in desalination plants. p. 124

12:20 - 12:40 F.A. Abdulaleem (Saudi Arabia)Acidulation of Saudi phosphate rocks in a micro pilotplant continuous unit I. Technical aspects of the process.

p. 15112:40 - 13:00 T.F. Al-Farriss (Saudi Arabia)

Acidulation of Saudi phosphate rocks in a micro pilotplant continuous unit II. Mathematical modelling of theprocess. p. 152

37

13:00-13:20 S. Alkwaiter (Saudi Arabia)Maximization of styrene yield from the catalyticdehydrogenation of ethylbenzene using differentcatalysts and different reactor configurations. I. Fixedbed configurations without and with selectivemembranes. p. 149

13:20 - 13:40 B.K. Abdalla (Saudi Arabia)Maximization of styrene yield from the catalyticdehydrogenation of ethylbenzene using differentcatalysts and different reactor configurations. II.Fluidized bed configurations without and with selectivemembranes. p. 150

13:40-16:00 Lunch Break

Session C-7: (Biochemistry)Chairman: Prof. A.A. El-Aaser (Qatar)

10:00 - 10:45 S.J. Wakil (Invited Speaker, USA)Structure function relationship of the multifunctionalfatty acid synthase. p. 204

10:45 - 11:05 A. El-Zayadi (Egypt)Correlation between ELIZA-11 4-RIBA and PCR amongEgyptian chronic liver disease patients. p. 246

11:05 - 11:25 M.S. Abdulla (Egypt)Logarithmic distribution of serum fish levels: A usefulmodel for the determination of the upper limit of thenormal range from an interfertile population. p. 222

11:25 - 11:45 Z.H. Zaidi (Pakistan)Structure prediction of ys crystallin. p. 233

Session C-8: (Inorganic Chemistry)Chairman: Prof. M. Muhammed (Sweden)

12:00 - 12:30 G. Davies (Invited Speaker, USA)Transmetallation mechanisms. p. 256

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12:30 - 13:10 R. Taylor (Invited Speaker, UK)Some chemistry of the closed cage carbon fullerenes CeoandC70. p. 264

13:10 - 13:30 A. Al-Arfaj (Saudi Arabia)Synthesis, reactivity and thermal decomposition of bis-and tris-(trimethylphosphine) dialkylnickel(II) comp-lexes, p. 306

13:30 - 13:50 M. El-Sayed (U.A. Emirates)Unusually stable peroxocopper complexes. p. 309

13:50 - 16:00 Lunch Break

Session D-7: (Organic Chemistry)Chairman: Prof. H. Hopf (Germany)

10:00 - 10:45 C. Parkanyi (Invited Speaker, USA)Dipole moments of aromatic heterocycles. p. 333

10:45 - 11:05 H.A. Albar (Saudi Arabia)Modern Friedel-Crafts chemistry. XVIII. Alkylation ofbenzene with some selected mono- and dihalides derivedfrom isobutane and isobutene. Some literature correc-tions and clarifications. p. 409

11:05 - 11:25 R. Bin Cheikh (Tunis)Synthesis and characterization of palladium complexes ofallyl and vinyl aziridines. p. 424

11:25 -11:45 F.K. Abd El-Hady (Egypt)Synthesis of some glycyrrhetic acid sulfonamidederivatives with prospected biological activity, p. 442

11:45-12:00 Break

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Session D-8: (Organic Chemistry)Chairman: Prof. G.H. Elgemeie (Qatar)

12:00 - 12:45 K. Undheim (Norway)Metal-assisted bond formation in 7C-electron deficientheterocycles. p. 337

12:45 - 13:05 R.A. Mekheimer (Egypt)A convenient synthesis of newly substituted pyrazolo-[4,2-c] quinolines with expected antiinflamatory activity.

p. 405

13:00-16:00 Lunch Break

Session E-7: (Physical Chemistry)Chairman: Prof. A.H. Zewil (USA)10:00 - 10:45 D.D. Traficant (Invited Speaker, USA)

New window functions to increase resolution and/orsensitivity in NMR spectroscopy. p. 500

10:45 -11:00 G.A. Al-Shobaky (Egypt)Analysis of thermal solid-solid interactions in vanadia -alumina system. p. 549

11:00 - 11:15 M.M. Khedr (U.A. Emirates)Identifying and quantifying surface sites of vanadia -alumina catalysis. p. 541

11:15 - 11:30 K.M. Abd-El Salam (Saudi Arabia)Catalytic and thermal properties of the spinel Cux Cr3](

O4 with (O < x < 3). p. 551

11:30 -11:45 M.Y. Mourad (Qatar)Inhibition of corrosion of copper in nitric acid by somenitrogen and sulphur containing organic acids, p. 513

11:45-12:00 Break40

Session E-8: (Physical Chemistry)Chairman: Prof. M.Y. Mourad (Qatar)

12:00 - 12:30 D.D. Traficant (Invited Speaker, USA)Strong coupling effects in homonuclear 2D J-ResolvedNMR spectra, and their use in structure determination.

p. 49812:30 - 12:45 A.A. El-Samahy (Egypt)

Spectroscopy in corrosion studies of copper. p. 511

12:45 - 13:00 F.M.I. El-Sheikh (Egypt)Conductance measurements in corrosion studies ofaluminium. p. 518

13:00-13:15 G.K. Goma (Egypt)Effect of uracil on the corrosion of several metals inacid medium. p. 521

13:15-13:30 A.A. Khedr (Egypt)Medium effect on the corrosion behaviour of stainlesssteel in acidic water-organic solvent mixtures, p. 519

13:30 - 16:00 Lunch Break

16:00 - 17:30 Visit to Qatar National Museum.

19:30 - 20:30 Closing Ceremony.

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