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Dive into the research topics where Khalid Mohammed Khan is active.

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Featured researches published by Khalid Mohammed Khan.


The Open Conference Proceedings Journal | 2014

Xanthine Oxidase Inhibitory Activity of Tetracera Indica

Fauziah Abdullah; Fadzureena Jamaludin; Nor Hadiani Ismail; Khalid Mohammed Khan; Siti Nur Aisyah Mohd Hashim

Preliminary screening study revealed that the methanolic extract of the stem of T. indica showed xanthine oxidase inhibitory activity in a concentration-dependent manner. EA fraction was selected to be further study due to its potential to inhibit xanthine oxidase enzyme with IC 50 value of 21.14 ∝g/ml which in lower than IC 50 value of MeOH extract, 42.02 ∝g/ml. Further separation and purification of EA fraction led to the isolation of two known compounds. Those compounds were identified by analysis of their spectroscopic data and comparisons with literature data to be betulinic acid and 5,7-dihydroxyl-8-methoxyflavone.


Letters in Organic Chemistry | 2005

First Microwave-Assisted Synthesis of 3-Substituted Isocoumarins

Khalid Mohammed Khan; Shakeel Ahmed; Zia A. Khan; Mubeen Rani; Shahnaz Perveen; M. I. Choudhary; Atta-ur-Rahman


Liebigs Annalen | 1995

Syntheses and CD studies of optically active substituted 1,3,4,5‐tetrahydro‐2H‐1,5‐benzodiazepin‐2‐ones

Farnaz Malik; Mashooda Hasan; Khalid Mohammed Khan; Shahnaz Perveen; Günther Snatzke; Helmut Duddeck; Wolfgang Voelter


Liebigs Annalen | 1995

Syntheses and CD studies of 5α‐cholesteno[3,2‐d]‐, ‐[2,3‐d]‐ and ‐[3,4‐d]pyrimidines

Mashooda Hasan; Naghmana Rashid; Khalid Mohammed Khan; Günther Snatzke; Helmut Duddeck; Wolfgang Voelter


Archive | 2014

5-Arylidene N,N-dimethylbarbiturates as Urease Inhibitors

Khalid Mohammed Khan; Momin Khan; Ajmal Khan; Shahnaz Perveen; Farzana Naz; M. Iqbal Choudhary


Liebigs Annalen | 2006

SYNTHESES AND CD STUDIES OF NEW OPTICALLY ACTIVE SUBSTITUTED 1,5-BENZODIAZEPINE DERIVATIVES

Farnaz Malik; Mashooda Hasan; Khalid Mohammed Khan; Shahnaz Perveen; Günther Snatzke; Wolfgang Voelter; Helmut Duddeck


Letters in Organic Chemistry | 2005

A Convenient, Highly Versatile Iodination Method of Alcohols Using Cesium Iodide/p- Toluenesulphonic Acid

Khalid Mohammed Khan; Zia-Ullah; Shahnaz Perveen; Ghulam Murtaza Maharvi; Syed Tasadaque Ali Shah; Nida Ambreen; M. I. Choudhary; Atta-ur-Rahman; Wolfgang Voelter


Archive | 2013

Superoxide Respiratory Burst Inhibitory Activity of Bis-Schiff Bases of Isatins

Khalid Mohammed Khan; Momin Khan; Muhammad Imran Ali; Muhammad Irfan Qadir; Shahnaz Perveen; Aneela Karim; Muhammad Iqbal Choudhary


Archive | 2011

The Effect of Cadmium and Chromium Concentration, on Biological Activity of Marsilea minuta

Zahid Hussain; Khalid Mohammed Khan; Shahnaz Perveen; Nida Ambreen; Wajid Rahman; Ata Ullah


Journal Fur Praktische Chemie-chemiker-zeitung | 1995

TWO NEW PROTECTING GROUPS FOR THE GUANIDINO FUNCTION OF ARGININE

Syed Safdar Ali; Khalid Mohammed Khan; Hartmut Echner; h.c. Wolfgang Voelter; Mashooda Hasan; Atta-ur-Rahman

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