ىفـيظو ىـلع اـيب£.د.رمضان...Triazaaceanthrylenes and 5H-1-Thia 3,4,5,6-Tetraazaaceanthrylenes. Authors: Ramadan Ahmed Mekheimer , Kamal Usef Sadek, Hisham Ahmed

بيـان علـمى وظيـفى

البياوات الشخصية: اوأل

[email protected]

المؤهالت الدراسية : ثاويا

"

التدرج الوظيـفى: ثالثا

الجوائـــــــــــز :

mailto:[email protected]

تقريررن مجمل األنذطة العلمية في إطار الجامعةرمضان احمد حدين مخيمر / والخاص باال دتاذ الدكتور

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التى ينتمى اليها المدردة العلمية

رمضان احمد مخيـمر/ االدتاذ الدكتور

–رمضـــان احمـد حــــسيه مخيــــــمر / الدكــتور

––

المهمات العلمية

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[1] Tittle : Reaction of azomethine N-oxides. Part 4. A new mode of reaction of azomethine

N-oxides with dibenzoylacetylene.

Authors: A. M. Nour El-Din, A. El-Said Mourad and R. Mekhamer.

Journal: Heterocycles, 23, 1155-1160 (1985).

[2] Tittle : Synthesis of [2.2]isoindolinophanes and dihydro[c]furanophane and their charge

transfer complexes with -acceptors.

Authors: A. F. El-Said Mourad, A. M. Nour El-Din and R. Mekhamer.

Journal: J. Chem. Eng. Data, 31, 367-369 (1986).

[3] Tittle : Reactions of dibenzoylacetylene with N-alkyl nitrons, heteroaromatic-N-oxides,

diazo and azoxy compounds.

Authors: A. M. Nour El-Din, A. M. Tawfik and R. Mekhamer.

Journal: Rev. Roum. Chim., 33, 183-187 (1988).

[4] Tittle : Novel synthesis of condensed pyridin-2(1H)-thione derivatives from arylidene-

cyanothioacetamides and cycloalkanones.

Authors: G. H. Elgemeie, H. A. Elfahham and R. Mekhamer.

Journal: Sulfur letters, 8, 187-198 (1988).

[5] Tittle : A novel nucleophilic substitution with quinoline derivatives. Synthesis of quinolones

and pyrazolo[4,3-c]quinoline derivatives.

Authors: R. Mekheimer, E. Kh. Ahmed and A. F. Khattab.

Journal: Bull. Chem. Soc. Jpn., 66, 2936-2940 (1993).

[6] Tittle : A simple route for the synthesis of pyrano[2,3-c]pyrazole and pyridine-2-one

derivatives.

Authors: F. F. Abdel Latif, R. Mekheimer, E. Kh. Ahmed and T. B. Abdel Aleem.

Journal: Die Pharmazie, 48, 736-738 (1993).

[7] Tittle : Heterocycle syntheses through ternary condensation of terphthalaldehyde with

malononitrile and some nucleophiles.

Authors: F. F. Abdel-Latif, M. M. Mashaly, R. Mekheimer and T. B. Abdel-Aleem.

Journal: Z. Natureforsch, 48b, 817-820 (1993).

[8] Tittle : Synthesis and characterization of complexes of Co(II), Ni(II), Cu(II) and Zn

(II) with 6-substituted-4-aryl-3-cyano-pyridine-2-(1H)-thiones.

Authors: Aly M. Hassaan, M. A. Khalifa, G. H. Elgemeie, R. A. Mekheimer and R. M.

Abdel Latif.

Journal: Phosphorus, Sulfur and Silicon, 81, 173-180 (1993).

[9] Tittle : A convenient synthesis of new substituted pyrazolo[4,3-c]quinolines with

potential antiinflammatory activity.

Author: R. Mekheimer.


رمضان احمد حدين مخيـمر––

[10] Tittle : The synthesis of heterocycles from indolin-2-one derivatives and active

methylene reagents.

Authors: Fathy F. Abdel-latife, Ramadan A. Mekheimer and Mohamed M. Mashaly

and Essam Kh. Ahmed.

Journal: Coll. Czech. Chem. Commun., 59, 1235-1240 (1994).

[11] Tittle : Synthesis of aminopyridines from azidopyridines and tetrazolo[1,5-a]pyridines.



[12] Tittle : Synthesis and reactions of 2-aminoquinoline-3-carbonitriles.


Journal: Bull. Soc. Chim. Fr., 131, 279-283 (1994).

[13] Tittle : Unusual reaction of nitrones with oxo-substituted diazoles.


Journal: J. Chem. Res. (S), 154-155 (1994).

[14] Tittle : A facil synthesis of bicyclic guanidines: The reaction of 2-amino-pyrimidine with

-arylacrylonitrile derivatives.

Authors: R. Mekheimer, N. K. Mohamed, E. T. Khadre, K. U. Sadek and H. H. Otto.


[15] Tittle : A novel thermal decomposition of 4-substituted 8-methyl-tetrazolo[1,5-a]

quinolines. Synthesis of 2-aryl-7-methyl-pyrazolo[3,4-b]quinolines.



[16] Tittle : Studies on thieno[3,4-d]pyridazine and electron acceptor compounds.

Authors: N. K. Mohamed, Alaa A. Hassan, K. U. Sadek and R. Mekheimer.

Journal: Heterocyclic Commun., 2 (6) 539-544 (1996).

[17] Tittle : Synthesis of pyrimidopyrazoloquinoline and quinonopyrazoloquinazolinetrione

derivatives

Authors: Alaa A. Hassan, R. Mekheimer and N. K. Mohamed.


[18] Tittle : A novel synthesis of benzo[g]imidazo[1,2-a]pyridines: The reactivity of

arylidine-1H-benzimidazole-2-acetonitrile with electron poor olefines and

dimethylacetylene dicarboxylate under microwave irradiation.

Authors: R. Mekheimer, R. M. Shaker, K. U. Sadek and H. H. Otto.

Journal: Heterocyclic Commun., 3 (3), 217-221 (1997).

[19] Tittle : Synthesis of novel heterocycles through reaction of indolin-2-one derivatives

with active methylene and amino reagents.

Authors: F. F. abdel-Latif, E. Kh. Ahmed, R. Mekheimer and M. M. Mashaly.

Journal: Arch. Pharm. Res., 20(5), 507-509 (1997).

[20] Tittle : Synthesis of functionalized 4H-pyrano[3,2-c]pyridines from 4-hydroxy-6-methyl-2-

pyridone and their reactions. Unexpected new routes to 3,3\-benzylidene bis[4-

hydroxy-6-methyl-2(1H)-3-pyridinone]s.

Authors: R. Mekheimer, N. Helmi and K. U. Sadek.

Journal: Bull. Chem. Soc. Jpn., 70, 1625-1630 (1997).

[21] Tittle : Nucleophilic substitution of 2,4-dichloroquinoline-3-carbonitrile with different

nucleophiles. Synthesis of several new quinoline-3-carbonitrile derivatives.

Authors: R. Mekheimer and T. Kappe.

Journal: Heterocyclic Commun., 4(2), 131-138 (1998).

[22] Tittle : Synthesis of new 2-chloro-4-(3-aryl-2,4-diphenyl-3H-triazolidine-5-on-1-yl)-

quinoline-3-carbonitriles by a cycloaddition route using carbodiimides and nitrones.

A novel thermal decomposition to 4-aminoquinolines.

Author: R. Mekheimer

Journal: Synth. Commun., 28(19), 3665-3674 (1998).

[23] Tittle : Synthesis and reactivity of 3-alkylthio-5-cyanomethyl-4-phenyl-1,2,4-triazoles.

Authors: R. Mekheimer and R. M. Shaker.

Journal: J. Chem. Res. (S), 76-77 (1999), (M), 0449-0459 (1999).

[24] Tittle : A convenient one-pot synthesis of pyrimido[4,5-b]quinolines as 5-deaza non-

classical antifolate inhibitors.

Authors: Hisham A. Abdel Naby, R. Mekheimer, Afaf M. Abd-Elhameed and K. U. Sadek.


[25] Tittle : Fused Quinoline Heterocycles I. First example of the 2,4-diazidoquinoline-3-

carbonitrile and 1-aryl-1,5-dihydro-1,2,3,4,5,6-hexaazaacephenanthrylenes ring

systems.


Journal: J. Chem. Soc. Perkin Trans. 1, 2183-2188 (1999).

[26] Tittle : Fused Quinoline Heterocycles II. First synthesis of 5-alkyl-1,5-dihydro-

1,2,3,4,5,6-hexaazaaceanthrylenes and ethyl 6-arylamino-10-methyl-5,7,8,10a,11-

pentaazabenzo-[a]fluorene-9-carboxylates.


Journal: Synth. Commun., 31 (13), 1971-1982 (2001).

[27] Tittle : Fused Quinoline Heterocycles III. Synthesis of first annulated 1,4,5,6,6a-penta-

azabenzo[a]indacenes,1,3,5,6-tetraazaaceanthrylenes and 5,7,9,11-tetraazabenzo-

[a]fluorenes.


Journal: Synthesis, 2078-2084 (2000).

[28] Tittle : Fused Quinoline Heterocycles IV. First synthesis of four heterocyclic ring

systems of 1H-5-thia-1,2,3,6-tetreazaacephenanthrylenes and 1H-5-thia-1,3,6-

triazaacephenanthrylenes.

Authors: R. Mekheimer, Essam Kh. Ahmed, Hassan A. El-Fahham and Laila H. Kamel.


[29] Tittle : A Convenient One Pot Synthesis of Pyrido[2,3-d]pyrimidines and Pyrimido-

[2,3-c]pyrimidines- (N5-Deazapterins).

Authors: Ramadan A. Mekheimer, Hisham A. Abd El-Nabi, Afaf M. Abd-Elhameed and

Kamal U. Sadek.

Journal: Heterocyclic Commun., 6, 301-307 (2000).

[30] Tittle : Novel mercury (II) ion-selective polymeric membrane sensor based on ethyl-2-

benzoyl-2-phenylcarbamoyl acetate.

Authors: Saad S. M. Hassan, Mohamed B. Saleh, Ahmed A. Abdel Gaber, Ramadan A.

Mekheimer, Nahed A. Abdel Kream.

Journal: Talanta, 53, 285-293 (2000).

[31] Tittle : A new approach for the synthesis of polyfunctionally substituted 1,8-

naphthyridin-2-one derivatives from 6-azidopyridones. A novel thermal

decomposition to 6-aminopyridones.



[32] Tittle : Fused Quinoline Heterocycles V. Synthesis of novel 1,2,3,5,6-pentaazaace-

anthrylene derivatives.

Authors: Ramadan Ahmed Mekheimer, Essam Khalaf Ahmed, Hassan Attia El-Fahham,

Laila Hanafy Kamel and Dietrich Döpp.

Journal: J. Chem. Res., 388-389 (2003).

[33] Tittle : Synthesis of some novel azido- and tetrazoloquinoline-3-carbonitriles and their

conversion into 2,4-diaminoquinoline-3-carbonitriles

Authors: Ramadan Ahmed Mekheimer, Galal Hamza Elgemeie and Thomas Kappe

Journal: J. Chem. Res. 82-85 (2005).

[34] Tittle : Fused Quinoline Heterocycles VI: First Synthesis of 5H-1-Thia-3,5,6-

Triazaaceanthrylenes and 5H-1-Thia 3,4,5,6-Tetraazaaceanthrylenes.

Authors: Ramadan Ahmed Mekheimer, Kamal Usef Sadek, Hisham Ahmed Abd El-Nabi,

Afaf Abd El Hameid Mohamed, Ehab Anwer Ebraheem and Michael B. Smith

Journal: J. Heterocyclic Chem., 42, 567 (2005).

[35] Tittle : 1,8-Naphthyridines II: synthesis of novel polyfunctionally substituted 1,8-

naphthyridinones and their degradation to 6-aminopyridones

Authors: Ramadan A. Mekheimer, Afaf M. Abdel Hameed and Kamal U. Sadek

Journal: ARKIVOK, 269 (2007).

[36] Tittle : A new Thermal Study of the Reaction of 6-Azidopyridones with Different Amines

and Hydrazines.

Authors: Ramadan Ahmed Mekheimer, Afaf Mohamed Abdel Hameed and Kamal Usef Sadek

Journal: J. Heterocyclic Chem., 45, 97 (2008).

[37] Tittle : First synthesis and isolation of the E and Z isomers of some new Schiff Bases.

Reactions of 6-azido-5-formyl-2-pyridone with aromatic amines.

Authors: Ramadan A. Mekheimer, Afaf M. Abdel Hameed and Kamal U. Sadek

Journal: Molecules, 13, 195 (2008).

[38] Tittle: Microwave-Assisted Reactions: A convenient and efficient synthesis of 4-aryl-3,4-

dihydro-pyrimidine-2(1H)-ones under microwave irradiation

Authors: Kamal U. Sadek and Ramadan A. Mekheimer

Journal: Arabian J. Chem., 1, 79 (2008).

[39] Tittle : Solar energy assisted reactions I: Three-component synthesis of polyhydroquinoline

derivatives induced by solar energy.

Authors: Ramadan Ahmed Mekheimer, Afaf Mohamed Abdel Hameed and Kamal Usef

Sadek

Journal: Green Chem. (Accepted) (2008).

[40] Tittle : Solar thermal energy assisted reactions II: Synthesis of 2-amino-thiophenes via the

Gewald reaction induced by solar thermal energy

Authors: Ramadan Ahmed Mekheimer, Mohamed Abdallah Ameen and Kamal Usef Sadek

Journal: Chinese Chem. Lett. (submitted).

[41] Tittle : Fused Quinoline Heterocycles VII: First example of 5,7-diaza-8-oxa-10-

thiapentaleno[2,1-a]naphthalenes and 8-Oxa-5,7,10-Triazapentaleno[2,1-a]-

naphthalenes Ring Systems.

Authors: Afaf M. Abdel Hameed, Kamal U. Sadek and Ramadan Ahmed Mekheimer

Journal: Tetrahedron (Under publication) (2008).

[42] Tittle : Microwave assisted reactions: Three component process for the synthesis of 2-amino-

2-chromenes under microwave heating

Authors: Ramadan A. Mekheimer and Kamal U. Sadek

Journal: J. Heterocyclic Chem. (Under publication) (2008).

[43] Tittle : Fused Quinoline Heterocycles VIII: unprecedented synthesis of 3,4-diamino-1H-

pyrazolo[4,3-c]quinoline

Authors: Ramadan Ahmed Mekheimer, Saeed M. Refaey, Afaf M. Abdel Hameed, Mohamed

El-Ashry and A. Shah

Journal: (under publication) (2008).

[44] Tittle : Fused Quinoline Heterocycles IX: unprecedented synthesis of 5-alkyl-3-azido-1H-

pyrazolo[4,3-c]quinolin-4(5H)-one derivatives.

Authors: Ramadan Ahmed Mekheimer, Saeed M. Refaey, Afaf M. Abdel Hameed, Mohamed

El-Ashry and A. Shah

Journal: (under publication) (2008).

Documents

ىفـيظو ىـلع اـيب£.د.رمضان...Triazaaceanthrylenes and 5H-1-Thia 3,4,5,6-Tetraazaaceanthrylenes. Authors: Ramadan Ahmed Mekheimer , Kamal Usef Sadek, Hisham Ahmed