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Name: Dr. Ahsan Ullah (IPFP)
Designation: Assistant Professor
Department: Chemistry


Qualifications: Ph.D from Freie University Berlin, Germany
Post-doctorate from Sanford Burnham Medical Research Institute La Jolla, California, USA.


Phone: +92-51 9064-2135
Email: ahsan@qau.edu.pk
Status: On job
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Research Interests Publications Conferences Research Projects

Chemical Biology including biocompatible reactions, Medicinal Chemistry, Peptides and Peptidomimetics

1.      miR-TRAP: A Benchtop Chemical Biology Strategy to Identify microRNA Targets

          Huricha Baigude, Ahsanullah, Zhonghan Li, Ying Zhou, and   Tariq M. Rana.

Angew. Chem., Int. Ed. 2012, 51, 5880-5883.

2.      Soluble peptidyl-phosphoranes for mrtal-free, regioselective, ligations in organic and aqueous solution

Ahsanullah, Samer Al-Gharabli, J. Rademann. Org. Lett. 2012, 14, 14-17.

3.      Peptidyl-heterocycle-chimera: new classes of more drug-like peptidomimetics by ligations of peptide bis-electrophiles with various bis-nucleophiles

A.El-Dahshan, S. Nazir, Ahsanullah, F. L. Ansari , J. Rademann.

Eur. J. Org. Chem. 2011, 4, 730-739.

4.      Cyclative cleavage via dipolar cycloaddition: polymer bound azido-peptidyl-phosphoranes deliver locked cis-triazolyl-cyclopeptides as privileged protein binders

Ahsanullah and J. Rademann. Angew. Chem., Int. Ed. 2010, 49, 5378-5382.

5.      Efficient access to peptidyl ketone and peptidyl diketones via C-alkylation and C-acylation of polymer-supported phosphorous ylides followed by hydrolytic or/and oxidative cleavage

A. El-Dahshan, Ahsanullah, J. Rademann. Biopolymers: Peptides Science 2010, 94, 220-228.

6.      Metal-free, regioselective triazole ligations that deliver locked cis peptide mimetics

Ahsanullah, P. Schmeider, R. Kühne, J. Rademann. Angew. Chem., Int. Ed.  2009, 48, 5042-5045.

7.      In silico studies of urease inhibitors to explore ligand- enzyme interactions

F. L. Ansari, A. Wadood, Ahsanullah, F. Iftikhar, Zaheer-ul-Haq.

Journal of Enzyme Inhibition and Medicinal Chemistry 2009, 24, 151-156.

8.      Microwave assisted synthesis, antibacterial activity against Bordetella Bronchiseptica of a library of 3-hydroxyaryl and heteroaryl chalcones and molecular descriptors-based SAR.

F. L. Ansari, M. Baseer, F. Iftikhar, S. Kulsoom, Ahsanullah, S. Nazir, A. Shaukat, Ihsan-ul-Haq, B. Mirza. ARKIVOC 2009, 318-332.

9.      Combinatorial Synthesis, Lead Identification and Antitumor Study of Chalcone-Based Positional-Scanning Library

Ahsanullah, F. L. Ansari, Ihsan-ul-haq, S. Nazir, B. Mirza. Chemistry & Biodiversity 2007, 4, 203-214.

 



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