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Part 5, New quinazoline derivatives from stearic acid. Olaj, Szappan, Kozmetika 55 (4), 121-125. New heterocycles having a double character as antimicrobial and surface active agents. Part 6, Novel thiadiazole from stearic acid. Olaj, Szappan, Kozmetika 56 (2), 57-61 . Synthesis of novel pyrimidine and related nitrogen heterocyclic ring systems as potential antimicrobial agents.9th IBN SINA international conference on pure and applied heterocyclic chemistry. Dec (11-14), p.196, Sharm El-Sheikh, Egypt. New heterocycles having double character as antimicrobial and as surface active agents. Part 7, Novel pyridazines and pyrimidines from stearic acid. 10th IBN SINA international conference on pure and applied heterocyclic chemistry. February (17-20) p. 107, Luxor, Egypt. Synthesis of some azoles based on quinazolinyl benzoic acid hydrazide and quinazolinyl / benzoyl isothiocyanate.Submitted for publication. Utilization of stearic acid in heterocyclic synthesisPart VIII: synthesis of some new thiadiazoles and triazoles of industrial applications OLAJ, SZAPPAN.KOZMETIKA, 59 30 Utilization of Fatty acid in heterocyclic synthesis.Part IX Dual activity of novel triazoles as antimicrobial and surface active properties Accepted in OLAJ, SZAPPAN.KOZMETIKA, 6 - Utilization of Fatty acid in heterocyclic synthesis.Part XI : Facile procedure for one pot synthesis of functionalized thiadiazoles, thiadiazolo[3,2-a]pyimidine and imidazo [2,1-b]thiadiazole charring along chain moiety. Accepted in Egyptian second international conference in chemistry : Chemistry for human need 9-12 Hurgada. Quantum mechanical calculations of the cephalosporin nucleus. J. of molecular graphic and modeling 28 478-486. Thermochemical Recycling of mixture of scrap tyres ans waste lubricating oil in to high caloric value production Energy conversion and Management . DBU-catalyzed transprotection of N-Fmoc-cystene, Di and tripeptides into 5-Fm-cystene Di and tripeptidesOrg. Bio Mol. Chem., Utilization of 2-(-carboxyethyl) quinazoline-3H(4)-thione in synthesis of some condensed and non-condensed heterocycles having interested biological activity Ind. J. of heterocyclic Chemistry 7(4), 289 (1998). -aroyl acrylic acids in heterocyclic synthesis(Part I). Synthesis of condensed and non-condensed heterocyclic systems from 2-amino-4-(1',1'dioxadibenzothien-4'-oylmethyl)-5-hydroxy thiazole. Uses of quinazolin-2-[(-propionyl)isothiocyanate]-4-one as a building block in the synthesis of some heterocyclic compounds of expected biological activity.Ind. J. Chem. 37B, 1153-1156 (1998). -Oxo-carboxylic acids in heterocyclic synthesis III. Synthesis of biologically active 4-benzylamino-6-(5,5-dioxodibenzothiophen-2-yl)-2,3,4,5-tetrahydropyridazine-one. ,-unsaturated--Oxo-carboxylic acids in heterocyclic synthesis II. Behaviour of 4-(5,5-dioxodibenzothiophen-2-yl)-4-oxo-2-butanoic acid towards carbon nucleophiles under Michael Reaction conditions. New heterocycles having a double character as antimicrobial and surface active agents. Part 3, Nonionic compounds from fatty acid hydrazide. Olaj, Szappan, Kozmetika 53 (3), 124-128 (2004). 49- Utilization of Fatty acid in heterocyclic synthesis. Part x : Simple synthesis of some novel long chain substituted scaffold and annulated Azoles. Announced in Egyptian 2nd international conference in chemistry : Chemistry for human need 9-12 November 2009, Hurgada, Egypt. Utilization of Fatty acid in heterocyclic synthesis. Part XII: Synthesis of Surfactants from Pyrazole, Isoxazole, Pyrimidine and Triazine Incorporating the 1,3,4-Thiadiazole Moiety Having Dying and Antimicrobial Activities. Published in Journal of surfactants and Detergents, (2012) 15 (2) 149-160. Utilization of Fatty acid in heterocyclic synthesis. Part XIII:2-Chloro-5-heptadecyl [1,3,4]thiadiazole as a building block for synthesis of S-triazolo[2,4-b]thiadiazole, benzimidiazo[2,1-b]thiadiazole, thiadiazolo[2,3-b]quinazolin-5-one as well as thiadiazole-2-yl(piperidine, pyridiazine and/or phthalazine) Published in OLAJ, SZAPPAN, KOZMETIKA (2011) 60 (3), 51-57. Novel Fluorescent aminoxy acids and aminoxy hybrid peptides. DBU-catalyzed transprotection of N-Fmoc-cysteine, Di and tripeptides into S-Fm-cysteine Di and tripeptides Tri-, tetra- and penta- peptideoyl benzotriazoles: novel synthetic intermediates Fatty acid in heterocyclic synthesis. Ecofriendly non-ionic surfactants containing phthalazine moiety having antimicrobial activity Announced in 1st conference on science Diplomacy and developments in Chemistry, Nov.24-26, 2012, Alex. Egypt. Fatty acid in heterocyclic synthesis. PartXVI: Regioselective reactions of 5-heptadecyl-1,3,4-oxadiazole-2-thiol toward different reagents Accepted in the 12th IBN SINA international conference on pure and applied heterocyclic chemistry. February (16-19), 2013, Luxor, Egypt. Synthesis of Some Azoles and Azines based based on quinoline -8-yloxy-acetohydraide