Hi, I'm looking for a way to synthesis of isatin derivatives in the lab ?

More Sajad Talebian's questions See All

Hi , What is difference between relative configuration and absolute configuration ?

05 June 2018 5,221 1 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

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

Some new emerging problems on application of RL for scheduling in IoT networks?

I have seen plenty of existing works on applied Reinforcement Learning (RL) policies for optimized scheduling in IoT networks including Q-learning, DQNs, and the newer ones including PPO for...

01 August 2024 8,754 2 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

Culture fibroblasts with or without FGF2?

I'm new to primary human fibroblast culture and I'm studying aging using cells from old and young donors. Some research groups have used media supplemented with FGF2, so I cultured cells in the...

29 July 2024 3,030 2 View

Hi there, someone has the SeinFit software for windows because I cannot download it?

DOS version.

29 July 2024 6,064 1 View

There is possible way to calculate experimental DOS from the UPS spectrum of the material. How to calculate the DOS from UPS?

Here, I have attached the UPS graph. I'm trying to calculate the DOS/DOVS from the UPS.

29 July 2024 4,971 1 View

What are needed modules for an IoT waterlevel monitoring system?

I want to know the modules needed for an IoT project for water level monitoring

27 July 2024 1,502 3 View

Khaled Al-Shaikh

Did you get these papers?

Bioorg Med Chem. 2017 Nov 1;25(21):5939-5951. doi: 10.1016/j.bmc.2017.09.004.

Article Design, synthesis and biological evaluation of 2-phenylquino...

Org. Synth. 2002, 79, 196

DOI: 10.15227/orgsyn.079.0196

http://www.orgsyn.org/Content/pdfs/procedures/V79P0196.pdf

Abd Elmounaim Safer

you can see in theses articles

1- an Improved Procedure for the Regiospecific Synthesis of Ele...

2- doi: 10.1016/j.tetlet.2012.12.035