David Jensen

5 Questions 113 Answers 0 Followers

Questions related from David Jensen

What is the best method for conversion of guanidine hydrochloride to free base guanidine?

I want to convert guanidine hydrochloride to free base guanidine. I've tried two different liquid-liquid extractions. 1) Liquid-liquid extraction using 20% NaOH aq/ether and 2) 20% NaOH aq/THF. I...

08 August 2014 8,711 12 View

Is tetramethylammonium hydroxide a volatile mass spec compatible additive?

I would like to use tetramethylammonium hydroxide as a mobile phase additive. Is it compatible with MS?

08 August 2014 276 3 View

Can anyone offer advice regarding reduction of nitrobenzene to aniline?

I'm looking at the reduction of nitrobenzene to aniline as a model system for my current project. Additionally, I'm looking into scaling up my current reaction. At the moment I'm using metallic...

05 May 2014 3,090 21 View

How to synthesize Toluene and 3-chloro-1-propene to create vinyl toluene?

I have a synthesis where I need to attach a vinyl group to a phenyl group. I'm using toluene and 3-chloro-1-propene as a model system, under Friedel Crafts alkylation conditions. Would I expect to...

03 March 2014 2,135 6 View

I'm looking for a source of an AGO-2 type planetary mill.

I'm looking to do some mechanoactivation that requires a milling apparatus. I have done some literature research on the subject and most publications state using a high-speed planetary mill...

04 April 2013 3,909 0 View