M.H.Helal
M.H.Helal
Verified email at science.helwan.edu.eg - Homepage
TitleCited byYear
Use of aloe iim treating leg ulcers and dermatoses
M El Zawahry, MR Hegazy, M Helal
International journal of dermatology 12 (1), 68-73, 1973
931973
Chemical composition and biological activity of ripe pumpkin fruits (Cucurbita pepo L.) cultivated in Egyptian habitats
SEA Badr, M Shaaban, YM Elkholy, MH Helal, AS Hamza, MS Masoud, ...
Natural product research 25 (16), 1524-1539, 2011
422011
Novel synthesis and antitumor evaluation of polyfunctionally substituted heterocyclic compounds derived from 2-cyano-N-(3-cyano-4, 5, 6, 7-tetrahydrobenzo [b] thiophen-2-yl …
HZ Shams, RM Mohareb, MH Helal, AE Mahmoud
Molecules 16 (1), 52-73, 2011
402011
Design and synthesis of novel antimicrobial acyclic and heterocyclic dyes and their precursors for dyeing and/or textile finishing based on 2-N-acylamino-4, 5, 6, 7-tetrahydro …
HZ Shams, RM Mohareb, MH Helal, AES Mahmoud
Molecules 16 (8), 6271-6305, 2011
312011
Recent trends in synthesis and application of nitrogen heterocyclic azo dyes
GH Elgemeie, MH Helal, HM El-Sayed
Pigment & resin technology 30 (4), 210-228, 2001
282001
Synthesis, structure elucidation, and biological evaluation of some fused and/or pendant thiophene, pyrazole, imidazole, thiazole, triazole, triazine, and coumarin systems …
HZ Shams, RM Mohareb, MH Helal, AE Mahmoud
Phosphorus, Sulfur, and Silicon and the Related Elements 182 (2), 237-263, 2007
272007
Synthesis and characterisation of a new series of pyridinone azo dyes for dyeing of synthetic fibers
MH Helal
Pigment & resin technology 33 (3), 165-171, 2004
272004
Exhaust dyeing of polyester‐based textiles using high‐temperature–alkaline conditions
NA Ibrahim, MA Youssef, MH Helal, MF Shaaban
Journal of applied polymer science 89 (13), 3563-3573, 2003
162003
Enhancement in the catalytic activity of Pd/USY in the Heck reaction induced by H2 bubbling
K Okumura, T Tomiyama, S Moriyama, A Nakamichi, M Niwa
Molecules 16 (1), 38-51, 2011
142011
Synthesis of a new series of polyfunctionally substituted pyrazole azo dye systems for dyeing of synthetic and modified cellulose fibers
HZ Shams, MH Helal, FA Mohamed
Pigment & resin technology 30 (2), 99-108, 2001
132001
Novel pyridine‐2 (1H)‐thione and thieno‐[2, 3‐b] pyridine derivatives containing arylazo moiety: synthesis, characterization and dyeing properties
GH Elgemeie, MH Helal, EM Abbas, EAA Mowla
Pigment & resin technology, 2002
122002
Synthesis and application of novel disazo pyrazolo [1, 2-a] pyrazole reactive dyes
HZ Shams, YA Youssef, FA Mohamed, MM El-Zawahry, MH Helal, ...
Pigment & Resin Technology 38 (6), 372-379, 2009
102009
Synthesis and dyeing properties of a new class of condensed carbocyclic arylazopyrazolo [1, 5-a] pyrimidines
GH Elgemeie, MH Helal, KA Ahmed
Pigment & resin technology 32 (1), 10-23, 2003
102003
A NOVEL SYNTHESIS OF POLYFUNCTIONALLY SUBSTITUTED PYRAZOLO [1, 2= a] PYRAZOLE, AND THIENO [3′, 2′-3, 4] PYRAZOLO [1, 2-a] PYRAZOLE SYSTEMS
HZ Shams, MH Helal, FA Mohamed
Phosphorus, Sulfur, and Silicon and the Related Elements 174 (1), 255-267, 2001
102001
A novel synthesis of 1-oxo-thieno [3’, 2’-3, 4] pyrazolo [1, 2-a] pyrazole azo dye systems for dyeing of synthetic and modified cellulose fibers
HZ Shams, MH Helal, FA Mohamed, SA Abd-Elhafiz
Pigment & resin technology 30 (3), 158-167, 2001
102001
A simple approach for the synthesis of coumarin fluorescent dyes under microwave irradiation and their application in textile printing
GH Elgemeie, KA Ahmed, EA Ahmed, MH Helal, DM Masoud
Pigment & Resin Technology 45 (4), 217-224, 2016
92016
Novel arylazopyrazolo [1, 5-a] pyrimidine derivatives: synthesis, properties and dyeing characteristics
GH Elgemeie, MH Helal, HM El-Sayed
Pigment & resin technology 33 (2), 91-98, 2004
92004
Synthesis of and dyeing characteristics of novel pyrazolo [1, 5-a] pyrimidine derivatives containing two arylazo functions
GH Elgemeie, MH Helal, HM El-Sayed
Pigment & resin technology 32 (2), 100-106, 2003
82003
Synthesis of a new series of thiazole and pyrazole azo dye systems for dyeing synthetic fibers
MH Helal
Pigment & resin technology 30 (5), 296-300, 2001
72001
A Novel Synthesis of Some 1, 4‐Phenylene‐bis‐heterocyclic Derivatives and of Some Pyran, Pyrano [2, 3‐c] pyrazole, and Pyrano [2, 3‐d] pyrimidine Derivatives [1]
FM Abdelrazek, MH Helal, AS Hebishy, SM Hassan
Journal of Heterocyclic Chemistry 52 (4), 1026-1031, 2015
62015
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