What options do we have for deprotection of allyl amine besides palladium catalyst?

More Mansour Alturki's questions See All

LC-MS(ESI+) Common Adducts question?

Happy new year, everyone! I have been synthesizing a compound, its mass unit is 440 da and in LCMS(ESI+) I got 441 and (458 major peak). Could it be possible the 18 da added to the compound...

31 December 2018 6,124 4 View

Does anyone have an article that describes the preparation of Palladium 0 from palladium acetate and triphenylphosphine?

Hi everyone, Does anyone have an article that describes the preparation of Palladium 0 from palladium acetate and triphenylphosphine? Thanks! Mansour

04 May 2017 1,377 2 View

How can Triton X-100 stabilize an enzyme?

I read in one article that at 0.00006% vol/vol Triton X-100 was used as a stabilizer of AmpC β-lactamase. Thank you

09 October 2015 8,351 12 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

Eugene Yang

DDQ - http://www.sciencedirect.com/science/article/pii/S0040403914018541

Grubbs carbene (Ru based) - http://pubs.acs.org/doi/abs/10.1021/ol0167412

http://onlinelibrary.wiley.com/doi/10.1002/chem.200305236/abstract