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

More Syeda Aaliya Shehzadi's questions See All

Does any one know how to get "publisher's acknowledgement of receipt for a submitted manuscript"? or the received email is enough?

I have to provide proof of submitted manuscripts especially those which are under review process.

06 July 2019 3,609 1 View

What is best method to protect one -NH of piparazine with benzyl bromide?

we want to protect one free -NH of piprazine with benzyl bromine using K2CO3 in CH3CN. any suggestion recommendation is appreciated.

03 April 2019 2,545 2 View

What is best Mass spectrometry book with detail description of all types of mass analyzers?

Mass analyzers in Mass Spectrometry

09 October 2018 4,342 3 View

How we can calculate no of rotatable bonds in an organic molecule?

is there any free software for this purpose, can we do it by Chemdraw.

06 July 2018 6,038 3 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.

31 December 2017 2,905 2 View

Can anyone please suggest me a very comprehensive yet advanced book on natural produts covering introduction, isolation and major classes?

if possible please send me the pdf of book

31 December 2017 8,680 4 View

Can anyone suggest why reaction of tetrahydropyridine-2,3-dicarboxylate with hydrazine hydrate isn't successful in refluxing EtOH or MeOH?

I am getting back diester (starting material) while hydrazine is not showing any reaction with tetrahydropyridine-2,3-dicarboxylate.

31 December 2015 7,886 15 View

AgOTf or AgSbF6 which is more strong lewis acid?

Which one acts as more strong Lewis Acid?

08 September 2014 4,835 4 View

Does aniline stick in columns during column chromatography?

I made schiff base of carbazole aldehyde using excess of aniline, now I need to purify the product. I was just wondering will my schiff base remain stable at column and aniline will come first, or...

07 August 2014 1,394 8 View

Can I convert 8-bromo-1-octanol to diethyl(8-hydroxy)octyl phosphonate directly without protecting alcohol?

I need OH group at terminal position of alkyl diethylphosphonate.

06 July 2013 6,135 2 View

• What the possible Persistent Organic Pollutants and Heavy metals present in fluorspar, sediments, and water bodies around its mining area?

Approximate concentrations are require in compared with the WHO permissible limts

11 August 2024 2,723 1 View

Basis set and input instruction to calculate HOMO and LUMO using Orca for Imidazolium based organic salts?

Hey there, As a synthetic chemist delving into theoretical calculations for my imidazolium-based organic molecules, I would greatly appreciate any guidance on the appropriate input instructions...

09 August 2024 5,444 7 View

How to calculate CCS for Sodiated adduct ions and Multiply Charged Ions?

I'm currently working on calculating the collision cross section (CCS) for various ions, and I'm facing challenges when dealing with sodiated and multiply charged ions. Most of the resources I’ve...

08 August 2024 8,329 0 View

Separation of organic acids-HPLC?

Hello What should be done to separate and identify organic acids in HPC when their RetTime is the same?Like oxalic acid with Propanoic Acid.or acids that have a very close RetTime.

07 August 2024 8,782 3 View

How to convert g/kg Humic acid dose to kg/ha?

I used humic acid at 0.044 g/kg soil in my pot experiment. But finally, I have to recommend kg/ha. Each pot's soil weight was 11 kg. What is the solution?

02 August 2024 7,186 6 View

How to improve peaks separation in HPLC?

Hi everyone, I'd like to better separate two close peaks coming from a bioconversion sample, I'm currently using a C18 KromaPhase 4,6mm Ø.I. SCHARLAU, particle size (µm): 10, pore size (Å): 100,...

30 July 2024 435 3 View

Inquiry on Maximum Nucleic Acid Volume for 2.5 mL Liposome Solution?

I am currently working on a project involving liposomes and need to determine the maximum volume of siRNA that can be added to a 2.5 mL liposome solution with a total lipid concentration of 10...

30 July 2024 6,420 1 View

How can I use DFT-D3 correction ( Siesta version 5.0.1)?

Dear Siesta Users, I installed Siesta 5.0.1 and I want to use Grimme's D3 correction. According to the 5.0.1 manual, I could use a few parameters to include the D3 correction in the...

27 July 2024 5,748 0 View

EDC carbodiimide and NHS easter 's half life among different pH?

It has been long known that EDC carbodiimide and NHS easter's half life agains hydrolysis are highly related to pH. However, very surprisingly, not yet found a paper giving a table/chart of their...

25 July 2024 8,738 0 View

Mechanochemistry: ball to powder mass or ball to powder volume?

I run mechanochemical reactions that involves the use of a large amount of catalyst (1:1 molar ratio to the reactant). When I try to understand the effect of amount of catalyst on the reaction, I...

23 July 2024 9,938 1 View

Teodoro S Kaufman

Final médium should be basic in order to allow extraction of the amine.