Syeda Aaliya Shehzadi

14 Questions 17 Answers 0 Followers

Questions related from Syeda Aaliya Shehzadi

Why in 2D image created by discovery studio 2021, the halogens appear as alkyl group?

In my molecule there is Chloro group at 2-position of phenyl ring, but in 2D image it appears as methyl showing no interaction.

29 July 2024 1,027 0 View

How can I avoid interaction of plant based reducing agents to final nanocomposite for in situ preparation og Ag doped GO-Fe3O4 nanocomposite?

Can anyone comment on the following concerns I want to synthesize Ag doped GO-Fe3O4 nanocomposite in situ using plant extract as green method for Ag+ reduction. What will be the effect of plant...

24 May 2024 5,307 2 View

At what stage I should ask journal for the 100% waive off of APC?

I submitted article, received comments, submitted revision. Now waiting for editor decision. Shall I wait for editorial decision or should put request in advance for waive off of article...

15 April 2024 1,994 1 View

Can we predict/estimate/calculate or measure the photoluminescence quantum yield of organic compounds using DFT or Guassian 9 program?

We want to synthesize compounds with high quantum yield, but before starting synthesis we want to predict it computationally.

01 December 2023 7,401 2 View

How can I achieve a nucleophilic attack of alkyne/acetylide on imine carbon (C=N) of thiosemicarbazone?

I have tried various transition metal catalysts of Zn/Cu/Al/Fe/ as Lewis acids, but no product.

21 June 2023 2,083 1 View

Any expert in the field of synthesis and characterization of fullerene or buckyball nanoparticles?

We are trying to synthesisze buckyball nanoparticles from commercially purchased fullerene powder. We stirred in deionized water, but the quality of nanoparticles is not good. Any suggestion, easy...

03 July 2021 6,089 7 View

Any group who can perform in vitro/ in vivo MAO-B inhibition activit of newly synthesized propargylamines?

We need biochemist partners to perform MAO-B inhibitor or other enzyme inhibition activities on oue newly synthesized propargylamines.

30 January 2018 9,838 1 View

Can any one suggest best conditions for LiAlH4 reduction of α,β-unsaturated esters?

I tried THF solvent, but I just got starting ester even at reflux for overnight.

13 January 2016 7,239 6 View

What are the good and efficient methods for deprotection of 2,4-dimethoxybenzylamine (DMB) and PMB amines?

normal deprotection is by TFA and TFAA in TEA but in my case i Can't see the product, also what is side product?

08 July 2015 1,063 10 View

What is the best method for synthesis of primery amines by gabreil synthesis?

Does it need acidic workup, or simple extraction with some organic solvent is OK. I already have this paper but some literature say we need acidic work up for complete removal of pthalylhydrazide...

14 September 2013 4,233 7 View

Can someone advise on whether 1-bromomethylpyrene is light sensitive or not, and does it degrade on silica?

My 1-bromomethylpyrene is pure by 1H, 13CNMR and GC-MS, but when ever I take Tlc it gives 4 or 5 spots. I am unable to understand. There is not a single extra peak in 1H and 13CNMR.

30 July 2013 1,332 2 View

Why am I not getting the schiff base of 9-octylcarbazol-3-aldehyde with amino anthraquinone?

Although I am using acetic acid as a catalyst.

15 March 2013 761 5 View

Could anyone please suggest the dimensions of a column to purify 6gm of a sample at once by Column Chromatography?

What should be the length and width of the column and the amount of silica used?

16 February 2013 9,265 6 View

Does anyone have facilities for X-ray crystallography of novel organic compounds?

I have some new organic compounds with good crystals and want to publish their online crystal reports. Of course if these were successfully published your name will be as co-author in online...

25 November 2012 1,244 5 View