Adil S. Aslam

6 Questions 41 Answers 0 Followers

Questions related from Adil S. Aslam

How to purify compound with TBDMS as a protective group?

I have protected hydroxyl with TBDMS-Cl and tried purifying it with flash column chromatography but I see starting material after elution. This means TBDMS cleavage. Could somebody suggest how to...

28 May 2015 8,838 3 View

Could anyone help with PTSA drying method?

I want to dry p-toluenesulfonic acid with Dean Stark apparatus. If you have some material or detailed procedure then kindly let me know.

21 May 2015 6,546 4 View

Can anyone guide in synthesis of pyrrole boronic acid ester?

I am finding it difficult to synthesize pyrrole boronic acid ester? Does anyone have experience with boronic acid synthesis? Your suggestion might be helpful.

24 April 2015 5,484 11 View

What is a suitable way to activate molecular sieves? What size is good for water?

How can I dry molecular sieves? Size good good for water?

23 April 2015 5,487 7 View

How Argon purging is different from Nitrogen purging?

I know purging is required in air-sensitive reactions but does any of these gases has any advantage over the other one.

10 March 2015 6,753 2 View

Add a heat symbol in chem draw (delta sign) Δ

Go to chem draw, click the A in the left tab or insert text option, right click in the box, go to font and choose symbol. Now hit caps lock and press D. You will have the Δ. Symbol options can be...

01 January 1970 9,403 1 View