Said A. S. Ghozlan
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View article: Green synthesis of novel hexahydroquinolines and 6-amino-2-oxopyridine-3,5-dicarbonitriles incorporating sulfaguanidine via [3 + 3] atom combination
Green synthesis of novel hexahydroquinolines and 6-amino-2-oxopyridine-3,5-dicarbonitriles incorporating sulfaguanidine via [3 + 3] atom combination Open
The synthesis of sulfa drugs has received extensive interest from researchers for their broad spectrum of biological activities. In this context, N-Carbamimidoyl-4-((5,5-dimethyl-3-oxocyclohex-1-en-1-yl)amino)benzenesulfonamide 3 was readi…
View article: New Azacycles by One‐Pot Three‐Component Hantzsch‐Like Synthesis of Tetra(hexa)azacyclopenta[<i>a</i>]anthracenes, Tetraazaindeno[5,4‐<i>b</i>]fluorenes, and Oxatetraazacyclopenta[<i>m</i>]tetraphenes
New Azacycles by One‐Pot Three‐Component Hantzsch‐Like Synthesis of Tetra(hexa)azacyclopenta[<i>a</i>]anthracenes, Tetraazaindeno[5,4‐<i>b</i>]fluorenes, and Oxatetraazacyclopenta[<i>m</i>]tetraphenes Open
New Azacycles by One‐Pot Three‐Component Hantzsch‐Like Synthesis of Tetra(hexa)azacyclopenta[ a ]anthracenes, Tetraazaindeno[5,4‐ b ]fluorenes, and Oxatetraazacyclopenta[ m ]tetraphenes (H. Butenschön, I. A. Abdelhamid et al.) #OpenAccess …
View article: Molecular Cloning, Protein Expression, and Regulatory Mechanisms of the Chitinase Gene from <i>Spodoptera littoralis</i> Nucleopolyhedrovirus
Molecular Cloning, Protein Expression, and Regulatory Mechanisms of the Chitinase Gene from <i>Spodoptera littoralis</i> Nucleopolyhedrovirus Open
The cotton leafworm, Spodoptera littoralis, is a major pest in Egypt and many countries worldwide, and causes heavy economic losses.As a result, management measures to control the spread of the worm are required.S. littoralis nucleopolyhed…
View article: CCDC 1901467: Experimental Crystal Structure Determination
CCDC 1901467: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Hantzsch-Like One-Pot Three-Component Synthesis of Heptaazadicyclopenta[a,j]anthracenes: A New Ring System
Hantzsch-Like One-Pot Three-Component Synthesis of Heptaazadicyclopenta[a,j]anthracenes: A New Ring System Open
Correction to: Hantzsch-Like One-Pot Three-Component Synthesis of Heptaazadicyclopenta[a,j]anthracenes: A New Ring SystemSynlett 2020; 31(09): 895-898DOI: 10.1055/s-0040-1708001
View article: An efficient one-pot three-component synthesis of tetrakis(uracil) and their corresponding bis-fused derivatives
An efficient one-pot three-component synthesis of tetrakis(uracil) and their corresponding bis-fused derivatives Open
A concise and efficient approach to tetrakis(uracil) derivatives by the reaction of bis(aldehydes) with four equivalents of 6-aminouracil is reported. Also, the synthesis of bis(pyrimido[4,5-b]quinolones) and bis(indeno-[2',1':5,6]pyrido[2…
View article: N-(Pyrazol-5-yl)cyanoacetamide in heterocyclic synthesis: synthesis of novel N-(pyrazol-5-yl)pyridine-3,5-dicarbonitrile, pyrazolo[1,5-a]pyrido[3,2-e]pyrimidine-7-carbonitrile and pyrazolo[4,3-e]pyrido[1,2-a]pyrimidine-6,8-dicarbonitrile moieties
N-(Pyrazol-5-yl)cyanoacetamide in heterocyclic synthesis: synthesis of novel N-(pyrazol-5-yl)pyridine-3,5-dicarbonitrile, pyrazolo[1,5-a]pyrido[3,2-e]pyrimidine-7-carbonitrile and pyrazolo[4,3-e]pyrido[1,2-a]pyrimidine-6,8-dicarbonitrile moieties Open
A novel series of interesting N- (pyrazol-5-yl)pyridine-3,5-dicarbonitrile, pyrazolo[1,5-a]pyrido[3,2e]pyrimidine-7-carbonitrile and pyrazolo[4,3-e]pyrido[1,2-a]pyrimidine-6,8-dicarbonitrile derivatives were prepared via the versatile read…
View article: Expression of Reactive Oxygen Species–Related Transcripts in Egyptian Children With Autism
Expression of Reactive Oxygen Species–Related Transcripts in Egyptian Children With Autism Open
The molecular basis of the pathophysiological role of oxidative stress in autism is understudied. Herein, we used polymerase chain reaction (PCR) array to analyze transcriptional pattern of 84 oxidative stress genes in peripheral blood mon…
View article: A facile synthesis of 3-amino-2,5-dihydropyridazines and 4-deazatoxoflavin analogues via [3+3] atom combination
A facile synthesis of 3-amino-2,5-dihydropyridazines and 4-deazatoxoflavin analogues via [3+3] atom combination Open
Michael addition reactions of arylhydrazone derivatives with different functionalized α -cyanoacrylamides were conducted and yielded new pyridazine-4-carboxamide compounds. A further reaction with acetic anhydride was investigated resultin…
View article: CCDC 755428: Experimental Crystal Structure Determination
CCDC 755428: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Synthesis and Antimicrobial Evaluations of Novel Spiro Cyclic 2-Oxindole Derivatives of N-(1H-Pyrazol-5-Yl)-Hexahydroquinoline Derivatives
Synthesis and Antimicrobial Evaluations of Novel Spiro Cyclic 2-Oxindole Derivatives of N-(1H-Pyrazol-5-Yl)-Hexahydroquinoline Derivatives Open
A novel series of interesting spiro cyclic 2-oxindole derivatives of N-(1H-pyrazol-5-yl)hexahydroquinoline derivatives were prepared via the versatile readily accessible cyclic β-enaminones incorporating pyrazole.Antimicrobial evaluations …
View article: An Efficient Synthesis of 1-(4H-1,2,4-Triazol-3-yl)-Hexahydroquinoline-3-carbonitrile and their Spiro Derivatives from β-Enaminones
An Efficient Synthesis of 1-(4H-1,2,4-Triazol-3-yl)-Hexahydroquinoline-3-carbonitrile and their Spiro Derivatives from β-Enaminones Open
A series of N-((1,2,4-triazol-3-yl)-enamine and N-((1,2,3-triazol-4-yl)-enamine were prepared and reacted with α,β-unsaturated nitriles to yield novel N-(4H-1,2,4-triazol-3-yl)hexahydroquinoline-3-carbonitriles and their fused and spiro de…
View article: An efficient one-pot, three-component synthesis of 6-cyano-hexahydro-4$H$-thieno[3'',2'':5,6]pyrimido[1,2-$a$]quinoline-2-carboxylates and their spiro derivatives from $\beta $-enaminones
An efficient one-pot, three-component synthesis of 6-cyano-hexahydro-4$H$-thieno[3'',2'':5,6]pyrimido[1,2-$a$]quinoline-2-carboxylates and their spiro derivatives from $\beta $-enaminones Open
A simple and efficient one-pot synthesis of novel thieno[3',2':5,6]pyrimido[1,2-a]quinoline-2-carboxylates (5a-d) and their spirooxindole derivatives (12a-d) was accomplished. Thus, the Michael addition reaction of the cyclic $\\…