G.S. Suresh Kumar

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Questions related from G.S. Suresh Kumar

Theoretical study of DPPH radical scavenging activity - can anyone provide suggestions for further improvements?

We have studied the self-catalyzed Knoevenagel condensation, spectral characterization, DPPH radical scavenging activity, cytotoxicity, and molecular properties of...

22 July 2014 2,228 1 View

Why and how is this reaction a one pot syntheses?

We initially carried out the reaction between indole (5.0 mmol) and 2-formylphenoxyacetic acid (2.5 mmol) in absolute ethanol (20 ml) using potash alum (50 mol%) under reflux. After 30 min,...

12 October 2013 6,536 1 View

How to correlate DPPH radical scavenging activity and DNA protection study of heterocyclic compounds?

DPPH radical scavenging activity is used for anti-oxidant study and DNA protection study is the ability to protect DNA from the external oxidation.

20 April 2013 6,963 0 View

What is the mechanism/role of water in condensation (removal of water) reactions?

If the condensation reactions are done in organic solvents, trace of water affect the rate of the reaction and yields. However, if the condensation reactions are done in water, water do not...

02 January 2012 2,510 1 View

What is the meaning of antisolvent?

Solvents - miscible/immiscible

24 November 2011 2,793 12 View