Tang Xin Ting

4 Questions 9 Answers 0 Followers

Questions related from Tang Xin Ting

Is the benzene group in the structure can be removed by the H2 and Pd/C (debenzylation method)?

I was synthesizing the ester by reacting the benzoic acid with the phenyl 4-hydroxybenzoate. After that, i need to remove the protecting group (suppose to be benzyl group but here is benzene) to...

04 July 2020 9,792 16 View

How to remove DCU that has similar polarity with product in esterification?

The polarity of my product is very similar to DCU and i cannot remove it by using column chromatography. Can anyone suggest me an effective method to remove DCU other than using EDC as coupling agent.

26 February 2020 8,896 4 View

How to separate ester from carboxylic acid by using chromatography?

I want to separate my target compound, 1, 3-phenylene bis[4-{[4-(pent-4-en-1-yloxy)phenyl]diazenyl}benzoate (ester) from the reactant 4-{[4-(pent-4-ene-1-yloxy) phenyl] diazenyl} benzoic acid. I...

06 January 2020 2,038 10 View

What should i reconsider in my experiment for acyl chloride to be formed?

I'm conducting an experiment to form acyl chloride by reacting 4-(allyloxy)benzoic acid and oxayl chloride, with DMF as catalyst, at room temperature and dichloromethane as medium. By using TLC...

05 March 2019 5,881 20 View