Browsing Issue 05 by Author "EJAZ AHMED"

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Bioassay Directed Isolation Studies on Solanum surrattense

EJAZ AHMED; AHSAN SHARIF; HAQ NAWAZ; MUKHTAR-UL-HASSAN; MUHAMMAD AZAM RASOOL; KHADIJA NAFEESA; ROBINA BEGUM; MUHAMMAD ASHRAF; TARIQ MAHMUD (Karachi: The Chemical Society Of Pakistan, 2011-10-13)

Bioassay directed isolation studies on solanum surrattense have resulted in the isolation of three steroidal alkaloids namely, acetyl-solasodine (1), khasianine (2) and solamargine (3) from the ethyl acetate soluble fraction. ...
Microwave Assisted Synthesis of Triphenodioxazines: A Novel and Convenient Approach

MUHAMMAD NAJEEBULLAH; MUNAWAR ALI MUNAWAR; AMRAN WAHEED; AHSAN SHARIF; EJAZ AHMED (Karachi: The Chemical Society Of Pakistan, 2011-10-11)

A novel and economical method for the synthesis of triphenodioxazines is described. The method involves the oxidative cyclisation of the intermediates 2,5-bis-(arylamino)-3,6- dichlorocyclohexa-2,5-diene-1,4-dione in 95-97% ...
Phytochemical and Antimicrobial Studies of Grewia tenax

EJAZ AHMED; AHSAN SHARIF; SABBIR HUSSAIN; ABDUL MALIK; MUKHTAR-UL-HASSAN; MUNAWAR ALI MUNAWAR; SAEED AHMAD NAGRA; JAMIL ANWAR; MUHAMMAD ASHRAF; NIGHAT AFZA; MAKSHOOF ATHAR (Karachi: The Chemical Society Of Pakistan, 2011-10-12)

For the first time eleven compounds have been isolated from the ethyl acetate soluble fraction of whole plant of Grewia tenax namely, β-sitosterol (1), β-sitosteryl acetate (2), β-amyrin (3), β-amyrin acetate (4), ...

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