How to make S to N acyl shift in chemistry not biology?

I want to acylate amino group but the presense of mercapto group make a big proplem , how to overcome it ?

31 December 2017 3,357 0 View

I want a method for the reaction of tosylate with amine in basic media

how to prepare?

06 July 2017 6,181 1 View

Apology from me to everyone ?

when I use social media for the first time I didn't understand what is meant by share,like,comment I didn't know how can I download a photo on it I take my time to understand how does it work...

09 October 2016 9,919 0 View

How can I prepare (2-methoxyethoxy)methyl chlorid?

the procedor of preparation

01 February 2016 8,011 0 View

Can anyone tell me what is the problem in the synthesis of 1,2,4 triazole from aminoguanidinium hydrogen carbonate but the yield is much low?

11 December 2015 7,124 4 View

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View

Is it efficient to do liquid biopsy to investigate the gene expressions of the tumor?

To do liquid biopsy and look for specific gene expressions there are so many published papers. Thera are different protocols and procedures used to isolate circulating cell free RNA or mRNA from...

23 February 2021 7,326 5 View

Have you ever experiencing air vent trouble in fermentation process?

Dear all, My research group is currently working with a 12-litre fermenter. Somehow, if we do the fermentation for more than 20 hours, the process will be more prone to contamination. Our current...

23 February 2021 1,908 2 View

Any Homemade Organic Synthesis Practices?

Hi everyone, I am a teacher of Heterocycles Synthesis, Is there a home practice that you recommend for undergraduate students? A simulator would also be useful Due to the pandemic, students...

18 February 2021 2,769 4 View

How to predict the reaction pathway for electro organic synthesis?

Can anyone recommend some any software/models available that can predict substance reactivities and the reaction yield under a specific set of reaction conditions process and proposing pathways to...

17 February 2021 2,383 3 View

Has anyone encountered any problems with abm good microRNA primers for quantification of mature miRNAs?

I've been trying to quantitate mature microRNAs in 293T cells with and without 'X'. 2ug of total RNA (isolated by Trizol method) is converted to cDNA using All-in one microRNA cDNA synthesis kit...

17 February 2021 8,986 2 View

How to measure acetic anhydride solution with 18M sulfuric acid?

I am doing research on the synthesis of paracetamol. I am preparing acetic anhydride solution with a few drops a sulfuric acid and wish to measure the pH of this solution. However my pH meter...

14 February 2021 8,699 3 View

Best synthesis method for large scale silver nanoparticle synthesis with high yield?.Best post processing steps after nanoparticle synthesis?

I have chemically synthesized silver nanoparticle to combat microbes on wound site. I have used many methods of synthesis, but I found minimal field of silver NP product.I am getting whitish...

11 February 2021 4,964 13 View

I'm looking for HVAC relevant topic for thesis?

Heating Ventilation Air-conditioning System related thesis topic for thesis

09 February 2021 4,215 5 View

CDNA synthesis or qPCR did not work?

Hi everyone! I extracted RNA from urine pellet using phenol-chloroform method. The yield of RNA was 160ng/uL. 3uL of RNA was used for cDNA synthesis in 20 uL reaction using Go-Script kit....

05 February 2021 6,587 4 View