What compound does result from Lawesson's Reagent after it thiolates smth?

More Ekaterina Stepanova's questions See All

How shoud one switch off a rotary vane pump?

How shoud I switch off a rotary vane pump? Should I initially turn off the pump and then open the shutter to normalize the pressure? Or the order of the actions should be vice versa?

07 August 2019 3,353 3 View

Which type of bonds is more preferable when drawing chiral centers?

Which type of bonds is more preferable when drawing chiral centers? Wedged and hashed wedged/hollow wedged bonds or bold and hashed bonds?

02 March 2018 4,468 1 View

How should one name an 1,3-dicarbonyl compound existing in enol form? According to IUPAC, should it be named as 1,3-dione or 3-hydroxy-2-en-1-one?

01 February 2018 4,735 0 View

What difference in total energy (kcal/mol) is considered to be significant?

I optimized two diastereomers in GAUSSIAN and got two values of total energy. So, I need to decide are these diastereomers energetically equal or one of them is more preferable termodinamically....

05 June 2017 362 5 View

How to obtain dry DMF saturated with dry HCl?

09 October 2016 1,310 4 View

Does anybody have experience in ordering chemicals from Star Synthesis Co., Ltd? What was their contact information?

05 June 2016 4,812 1 View

Does anybody have experience in ordering chemicals from Shanghai Systeam BioChem.,CO Ltd? What was their contact information?

05 June 2016 3,464 1 View

Does anybody know where I can buy Ethyl 2-amino-4-methyl-5-phenylthiophene-3-carboxylate (CAS 4815-38-7)?

Does anybody know where I can buy Ethyl 2-amino-4-methyl-5-phenylthiophene-3-carboxylate (CAS 4815-38-7)? We need 2kg of this compound.

05 June 2016 418 2 View

Why carboxyl group is inactive in Diels-Alder reaction?

Are there any examples of Diels-Alder reaction in which carboxyl group (in acids or esters) acts as a part of a dien or a dienophile? What are the reasons of its inactivity in this reaction?

31 December 2014 2,602 3 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

Can I multiplex a mouse monoclonal and rat primary for IHC (mouse brain tissue)?

Hi all, I was just wondering if anyone has experience with multiplexing a mouse monoclonal primary and a rat primary. I'm trying to multiplex by incubating them in the same well but was told by a...

06 August 2024 9,710 1 View

Interested in a SCOPUS collaboration?

Hi RG family. My team and I are working on some SCOPUS publications and we need co-authors who are willing and capable of undertaking both qualitative and quantitative-based studies. The scope...

02 August 2024 7,843 0 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

Interested in a SCOPUS collaboration?

Hi RG family. My team and I are working on some SCOPUS publications and we need co-authors who are willing and capable of undertaking both qualitative and quantitative-based studies. The scope of...

02 August 2024 8,572 0 View

Does anyone have issues using Prepman Ultra reagent for MicroSeq ID bacterial, fungal and yeast sample preparation?

I have been attempting to extract DNA from Bacterial, Fungal and Yeast banked samples (>1e7 cells) using Prepman Ultra reagent and I seem to be struggling to obtain a sequence. Although the...

01 August 2024 2,079 0 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