Omaima Abdullah

4 Questions 2 Answers 0 Followers

Questions related from Omaima Abdullah

Benzoimidazole synthesis

I would like to know the best method to synthesize benzoimidazole derivatives, this is my desired product( 5-bromo-2-(4-nitro-1H-pyrazol-3-yl)-1H-benzo[d]imidazole), from commercially...

15 August 2017 5,430 2 View

How can i remove Trithylamine chloride from my mixture?

I run a reaction of 4-aminobenzoic acid and 1-naphthoeyl chloride to make amide bond. Et3N is added to neutralize the CL which produced from 1-naphthoeyl chloride as a result of amide bond...

02 March 2016 4,441 4 View

What is the best workup method for aryl-benzimidazole?

my product is 5-bromo-2-(4-nitro-1H-pyrazol-3-yl)-1H-benzoimidaole. I used EDC and HoBt in DMF then I did reflux for 12 hours with glacial AcoH. I got very dark glue like crude.

15 September 2015 4,401 5 View

Why doesn't dynamic minimization work with some molecules?

Chembio 3D ultra showed me that my compound is terminated because the molecular model is so far from equilibrium.

02 April 2014 216 1 View