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TLC challenge I'm playing with something (an organic preparation) nowadays and made a TLC sheet in the morning.
I ... |
3-11-2022 at 11:41 by: Pumukli |
Synthesis of malonic acid I could not resist and tried to make malonic acid via the nitric acid oxidation of malic acid.
Well ... |
3-11-2022 at 11:08 by: Pumukli |
Dibenzalacetone - Organic Synthesis writeup Nice colours! ![:)](./images/smilies/smile.gif)
I'd like to suggest that besides the masses of used reagents a molar equivalent ... |
23-10-2022 at 08:19 by: Pumukli |
Anyone tried DCVC (Dry Column Vacuum Chromatography) Nice synchronicity. ![:)](./images/smilies/smile.gif)
A few days ago I came across this:
It is from the same author.
[fil ... |
21-10-2022 at 23:54 by: Pumukli |
Large scale anthranilic acid prep Wow! This is separation and efficiency! Hats off, SuperOxide!
I want to do this to my "craps" too! ... |
18-10-2022 at 10:48 by: Pumukli |
Mono-Nitration of Phenol [Tarr Elimination Method] That 98% nitric acid will be interesting.
My first reaction in my youth was nitrating (well, attemp ... |
14-10-2022 at 07:06 by: Pumukli |
Some questions about a reaction to obtain 2-Chloroacetamido-5-Chlorobenzophenone I don't want to sound paternizing (not too much) but honestly, you should stay away from this synthe ... |
14-10-2022 at 06:50 by: Pumukli |
Bromatometry Thank You Bedlasky for your work in organic analysis!
This is a neglected part of chemistry here on ... |
8-10-2022 at 04:36 by: Pumukli |
Phenol from Salicylic acid That's true, UC wrote that the main bulk of phenol was passing over between 145-165 C, measured in t ... |
12-9-2022 at 03:31 by: Pumukli |
Phenol from Salicylic acid Hello Diachrynic! When I found the paper I thought roughly the same.
But Unintentional's phenol p ... |
11-9-2022 at 15:31 by: Pumukli |
Is there a realistic way of DIYing a small catalytic converter for combustion purposes? A piece of a car catalytic converter ceramic positioned above the flame at the proper height (to be ... |
10-9-2022 at 10:48 by: Pumukli |
Phenol from Salicylic acid Ladies and gentlemen!
I think that the root of the problem lies elsewhere... ![:)](./images/smilies/smile.gif)
By accident I ... |
10-9-2022 at 10:29 by: Pumukli |
Colloidal gold from old electronics. Looks good.
But why use mercury?
YT is full of "recovering gold from old electronics" videos - but ... |
6-9-2022 at 22:06 by: Pumukli |
Tin based pesticides Different people have different problems.
I have several kilos of a fenbutatin-oxide containing p ... |
4-9-2022 at 23:12 by: Pumukli |
Heating element, hitting specific temperature success Maybe that 1A was the bottleneck.
What if you tried a 12V 2A power supply next time?
(I bet you di ... |
31-8-2022 at 11:06 by: Pumukli |
Phenol from Salicylic acid Needs hard heating, the temperature of the molten acid should be (in my opinion) around 150-200 C at ... |
30-8-2022 at 10:09 by: Pumukli |
Isononyl alcohol Household bleach would do.
Search the paper which describes it, I used this method in menthol -> ... |
29-8-2022 at 08:55 by: Pumukli |
Isononyl alcohol I would try NaOCl first. :-)
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29-8-2022 at 04:10 by: Pumukli |
Mono-nitration of dimethylaniline "Not much can be told" ... ![;)](./images/smilies/wink.gif)
Though on second thought, maybe a melting point or two is missing. ... |
22-8-2022 at 01:20 by: Pumukli |
Mono-nitration of dimethylaniline Very good hands-on (wet?) chemistry!
I really liked it, especially because I came across this synth ... |
20-8-2022 at 01:56 by: Pumukli |
Sticky Situation Thanks for the effort, Texium!
I was thinking about some sort of "distilling the essence of the t ... |
12-8-2022 at 11:00 by: Pumukli |
Paper chromatography ? Something to think about - at least for me, to entertain myself. ![;)](./images/smilies/wink.gif)
On the picture you can see a ... |
5-8-2022 at 09:42 by: Pumukli |
Preparation of ionic nitrites I would avoid ethyl-nitrite/nitrate altogether and would try to do something (optimize?) the HNO3/st ... |
13-7-2022 at 06:11 by: Pumukli |
Catalyst for Amide hydrolysis Boffis did a nice hydrolysis research on DEET years ago. Check his work here in the forum (or in th ... |
29-4-2022 at 11:52 by: Pumukli |
Quantitative test of a sample of ostarine I'd try to test for fluorine. Sample digested by alkaline hydroxide and then testing / measuring the ... |
28-4-2022 at 11:17 by: Pumukli |
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