Saayak Halder

3 Questions 8 Answers 0 Followers

Questions related from Saayak Halder

Is there a solvent less polar than hexane for flash column chromatography?

I am doing a flash column with hexane. There are two overlapping spots in TLC even in Hexane (Rf ~ .4) , and as a result, I am getting mixture. I tried using a long column, but still some mixture...

07 July 2018 724 6 View

Is Dichloroethane (DCE) and Dichloromethane (DCM) stable under UV light?

Hi, I am planning to do a photocatalytic (UV) reaction in DCE/DCM solvent. I am not sure if these solvents are stable under 254 nm UV irradiation. Has anyone tried such a thing before? Thanks

06 June 2018 2,219 4 View

How to do an LDA work up when my product is water soluble?

I am trying to work up a reaction mixture containing excess LDA (2 eq). My product is also pretty soluble in water (has 2 or more free OH groups). What would be a good way to do the work up? Is...

02 February 2018 2,129 1 View