El-Sayed M El-Sayed

7 Questions 17 Answers 0 Followers

Questions related from El-Sayed M El-Sayed

Is it possible to measure pH for ionic liquids ??

We know, it is possible to interpret pH for aqueous solutions.but what about non aqueous solutions (e.g. ionic liquids). Should the acid/base be an Arrhenius acid/base to correctly interpret pH?

12 August 2016 7,212 8 View

How to separate sodium bromide from an aqueous solution ???

i have performed a reaction to prepare an ionic liquid, the reaction results in an aqueous solution containing the ionic liquid (hydrophilic one) and sodium bromide, so i want to separate sodium...

23 June 2016 4,788 5 View

What is best method to remove pyridine from a reaction mixture?

My reaction was performed in pyridine and at the end of the reaction I evaporated the pyridine with co-evaporation by toluene. Then to obtain my cpd (benzoylated sugar) I just worked up...

02 April 2014 2,090 40 View

How can I obtain solid product not wax or oil products?

In the field of organic synthesis the final product may be in the form of wax/oil during the work up to overcome this and to obtain the solid products what methods should be done?

10 December 2013 8,040 13 View

Does anyone have an experience with the chemistry of curcumin ?

Curcumin is the principal curcuminoid of the popular South Asian spice turmeric, which is a member of the ginger family (Zingiberaceae). Turmeric's other two curcuminoids are desmethoxycurcumin...

02 December 2013 1,037 6 View

What is the role of elemental sulfur in thionation reaction in presence of P2S5 in pyridine?

Elemental sulfur helps in thionation reactions. I want to know how it can help for progress of reaction.

06 October 2013 1,205 0 View

How can I make mono acetylation for Curcumin?

Curcumin contain two OH groups, I want to perform selective mono acetylation.

24 September 2013 231 3 View