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Questions related from Mohammed Khaled Break
I have reacted my alkyne and azide in a solvent mixture of t-BuOH:H2O (1:2), CuSO4.5H2O and Na-Ascorbate. However, I usually obtain a yellow solid after my workup, and when I run an H-NMR analysis...
04 April 2018 4,375 4 View
We investigated the effect of our compound on mTOR signaling pathway. Western blotting showed that mTOR expression was inhibited but its phosphorylated form was upregulated. However, our qpcr also...
09 September 2017 2,557 0 View
When FeCl2/FeCl3 is added to chalcones, a reddish-brown colour appears, however, the equations for this reaction reported in the literature always show the chalcone as a charge balancing ion,...
09 September 2016 9,946 4 View
The H-NMR spectrum of my compound was very neat and peak assignments were smooth and as expected, except for a VERY TALL peak at about 5ppm, what could that be? Is it a solvent peak, or what could...
07 July 2015 9,581 22 View
I am planning to reduce a natural product using LiAlH4, as NaBH4 failed to work, but LiAlH4 is highly reactive and I believe that the container cannot be opened except in an inert atmosphere (i.e....
02 February 2015 4,530 2 View
I have performed an HRMS experiment on my compound and obtained the following; Calculated [M+Na]: 663.2848 Found [M+Na]; 663.9820 There is some deviation from the calculated data, so is this...
12 December 2014 6,514 13 View
I have carried out a recrystallization process for my isolated compound from a plant material. I have used ethanol and have allowed it to evaporate under a fumehood with the hope of forming...
06 June 2014 7,927 6 View
