Search Results - "helal, M.H"

A simple approach for the synthesis of coumarin fluorescent dyes under microwave irradiation and their application in textile printing by Elgemeie, G.H, Ahmed, K.A, Ahmed, E.A, Helal, M.H, Masoud, D.M

“…Purpose The purpose of this study is to successfully implement microwave irradiation for the rapid synthesis of novel fluorescent dyes. The prepared dyes are…”
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Microwave synthesis, photophysical properties of novel fluorescent iminocoumarins and their application in textile printing by Elgemeie, G.H, Ahmed, K.A, ahmed, E.A, helal, M.H, Masoud, D.M

“…Purpose – This paper aims to synthesise coumarine flourescent dyes from a cheap material in a very short time with a very high yield, and by using a clean…”
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Microwave assisted one-pot synthesis of pyrazoloquinazolinone derivatives and their application on printing of synthetic fabrics by Elgemeie, G.H, Ahmed, K.A, Ahmed, E.A, Helal, M.H, Masoud, D.M

“…Purpose – The purpose of this paper is to synthesize some novel…”
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Synthesis of novel tetrasubstituted thiophenes based dye using sodium a-cyanoketene dithiolates as starting materials by Elgemeie, G.H, Ahmed, K.A, Ahmed, E.A, Helal, M.H, Masoud, D.M

“…Purpose – The study aims to synthesise new thiophene-based dyes by an efficient method using sodium a-cyanoketene dithiolates as starting components for…”
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Synthesis and characterisation of a new series of pyridinone azo dyes for dyeing of synthetic fibers by Helal, M.H

“…A series of azo dye systems, namely, 5-arylazo-pyridin-2-one dye systems (5a-k), was synthesised and characterised. The effects of the structural configuration…”
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Synthesis of a new series of polyfunctionally substituted thiazole azo dye systems for dyeing of synthetic fibres by Helal, M.H, Elgemeie, G.H, Masoud, D.M

“…Purpose - This paper's aim is to evaluate the dyeing performance of newly designed azo dye system based on thiazole substituted for improved dyeing when…”
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Synthesis and application of novel disazo pyrazolo[1,2-a]pyrazole reactive dyes by Shams, H.Z, Youssef, Y.A, Mohamed, F.A, El-Zawahry, M.M, Helal, M.H, El-Kharadly, E.A

“…Purpose - The purpose of this paper is to evaluate the efficiency of modifying reactive azo dyes using pyrazolo[1,2-a]pyrazole fused systems as the…”
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Polystyrene sulfonate coated activated graphene aerogel for boosting desalination performance using capacitive deionization by El-Deen, Ahmed G., El-kholly, Heba K., Ali, Mohammed Eid M., Ibrahim, Hanan S., Zahran, M.K., Helal, M.H., Choi, Jae-Hwan

“…[Display omitted] •The PSS- coated activated graphene aerogel was successfully fabricated.•The PSS-AGA electrode reveals retention capacity of 97.2% up to 5000…”
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Preparation and characterisation of novel methylsulfanylpyrazolopyrimidines as heterocyclic dyes from ketene dithioacetals by Helal, M.H, Elgemeie, G.H, Masoud, D.M

“…Purpose - This paper aims to synthesize some new heterocyclic disperse azo dyes and their application in dyeing of polyester and polyamide fabrics.Design…”
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Synthesis, characterization, and anticancer effect of novel Pyrazolopyranopyrimidines by Hassan, A.M.A., E．S．, Essam, Ziko, Laila, Helal, M.H., El-Ziaty, A.K., Ali, Rania S.

“…•Two novel β-enaminonitrile derivatives (5a,b) that bearing pyrano[2,3-c]pyrazole moiety were synthesized using Multi-Component Reaction (MCR) technique and…”
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Synthesis of new disperse azo dyes based on oxopyridine core by Shams, H.Z, Helal, M.H, Samir, I.M, Mohareb, R.M

“…Purpose - The purpose of this paper is to evaluate the dyeing performance of newly designed and synthesised azo dye systems based on polyfunctionally…”
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Synthesis of several new pyridine-2(1H) thiones containing an arylazo function and their applications in textile printing by El-Kashouti, M.A, El Molla, M.M, Elsayad, H.S, Ahmed, K.A, Helal, M.H, Elgemeie, G.H

“…Purpose - To synthesise several new pyridine-2(1H)thione containing an arylazo function and their applications in textile printing.Design methodology approach…”
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Novel benzothiazapine azo dyes: synthesis, characterisation and printing properties by Helal, M.H, Elgemeie, G.H, El-kashouti, M.A, El-zaher Ahmed, K.A

“…Purpose - The purpose of this paper is to synthesise new heterocyclic disperse azo dyes based on benzothiazapine moiety and their printability on synthetic…”
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Synthesis of new 5-arylazo-3-cyano-4,6-dimethyl-2-acetylchloridethiopyridine reactive disperse dyes and their applications in textile printing by Helal, M.H, Elgemeie, G.H, El-kashouti, M.A, ElMolla, M.M, Elsayad, H.S, Ahmed, K.A

“…Purpose - The purpose of this paper is to synthesise some disperse dyes containing a reactive group and study their applications on polyamide and wool printing…”
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Synthesis, biological evaluation and molecular modeling of novel series of pyridine derivatives as anticancer, anti-inflammatory and analgesic agents by Helal, M.H., El-Awdan, S.A., Salem, M.A., Abd-elaziz, T.A., Moahamed, Y.A., El-Sherif, A.A., Mohamed, G.A.M.

“…Novel series of pyridines heterocyclic compounds have been synthesized and characterized by elemental analyses and spectral like IR, 1H NMR, 13C NMR and MS…”
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Synthesis of a new series of thiazole and pyrazole azo dye systems for dyeing synthetic fibers by Helal, M.H

“…Two series of azo dye systems are considered, namely, 2-amino-arylazo-4-phenylthiazole axo dye systems 4a,b,c,d,e, and 3-methyl-1-phenylpyrazolone azo dye…”
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The role of contrast-enhanced spectral mammography in the evaluation of the postoperative breast cancer by Helal, M.H., Mansour, S.M., Ahmed, H.A., Abdel Ghany, A.F., Kamel, O.F., Elkholy, N.G.

“…To assess the utility of contrast-enhanced spectral mammography (CESM) to detect malignancy in the postoperative breast of cancer patients. The study was a…”
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Novel arylazopyrazolo[1,5-a]pyrimidine derivatives: synthesis, properties and dyeing characteristics by Elgemeie, G.H, Helal, M.H, El-Sayed, H.M

“…Several new arylazopyrazolo[1,5-a]pyrimidine derivatives were obtained from 4-arylazo-3,5-diaminopyrazoles. The application and dyeing characteristics of the…”
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Design, synthesis, characterization, quantum-chemical calculations and anti-inflammatory activity of novel series of thiophene derivatives by Helal, M.H., Salem, M.A., Gouda, M.A., Ahmed, N.S., El-Sherif, A.A.

“…Novel series of thiophene heterocyclic compounds have been synthesized and characterized by elemental analyses and spectral like IR, 1H NMR, 13C NMR and MS…”
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Synthesis of and dyeing characteristics of novel pyrazolo[1,5-a]pyrimidine derivatives containing two arylazo functions by Elgemeie, G.H, Helal, M.H, El-Sayed, H.M

“…Several novel pyrazolo[1,5-a]pyrimidine derivatives containing two arylazo functions were synthesised from 4-arylazo-3,5-diaminopyrazoles. Such derivatives…”
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