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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.
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 |
Protocatechuic aldehyde from ethylvanillin Yeah, resorcin also turns pink in itself by oxidation from air. No aldehyde group involved. Thank ... |
19-3-2022 at 09:11 by: Pumukli |
Need help interpreting this TLC plate Have you tried running an "empty" run on your plates? I mean a TLC run in the same solvent without a ... |
18-3-2022 at 23:18 by: Pumukli |
Protocatechuic aldehyde from ethylvanillin Very nice work, Diachrynic! I like these "simple", one step organic conversions. Especially if good ... |
18-3-2022 at 22:49 by: Pumukli |
formation of grignard reagents in DIPE I remember an article by Henry Gilman who studied Grignards extensively and compiled a list of vario ... |
15-9-2021 at 07:29 by: Pumukli |
My zinc oxide not pure, have carbonate, can ZnO absorb CO2? I have old (20+ years) pharmacy grade ZnO stored in a paper bag. So it could have absorbed CO2 from ... |
14-9-2021 at 08:18 by: Pumukli |
The chemistry of Sorbic acid I'm not sure but I think I saw it in a "sorbic acid paper" that it can be condensed with sorbic acid ... |
14-9-2021 at 04:30 by: Pumukli |
Nicotinamide dehydration Hi. I tried the ammonium-sulfamate method. It gave some nitrile, yes. |
11-8-2021 at 05:32 by: Pumukli |
Synthesis of benzonitrile using ammonium sulphamate and benzamide Congratulations for the synthesis and the video!
As one who advocates this method for preparing n ... |
11-8-2021 at 02:09 by: Pumukli |
Derivatising p-dichlorobenzene through its nitro compound Glad that steam distillation worked.
Carefull with this compound if it is so volatile. At least 4-c ... |
26-1-2021 at 11:36 by: Pumukli |
Preparation of Acetanilide Thanks! :-)
I'm aware of that zinc-dust method but when I realised that plain acetic acid could y ... |
20-1-2021 at 23:23 by: Pumukli |
Derivatising p-dichlorobenzene through its nitro compound How the steam distilled product looked like?
As for solvents, maybe (m)ethanol or acetic acid (perh ... |
20-1-2021 at 23:19 by: Pumukli |
Preparation of Salicylaldehyde Maybe the red color means there is unreacted phenol that is oxidized. Phenol distills with steam as ... |
20-1-2021 at 23:17 by: Pumukli |
Preparation of Acetanilide Yes, you are right, the 9+1 and 8+2 examples are the ones where I used some acetic anhydride to "for ... |
18-1-2021 at 03:01 by: Pumukli |
Preparation of Acetanilide Strange. It works for me. Tried via https and plain http login as well. |
17-1-2021 at 23:05 by: Pumukli |
Preparation of Acetanilide [size=4][b]
[align=center]Acetanilide - with a twist [/align][/b][/size]
[size=3][font=Arial] Th ... |
16-1-2021 at 08:57 by: Pumukli |
Synthesis of N,N'-dialkyloxamides Congrats for the preparations!
Actually they are the first reported successful "ester aminolysis" ... |
12-1-2021 at 05:16 by: Pumukli |
Friedel-Crafts acylation of anilides It seems the odds are not that bad. I found the following:
"p-Chloroacetyl acetanilide (3). To a ... |
9-1-2021 at 16:04 by: Pumukli |
Friedel-Crafts acylation of anilides Thanks, Boffis!
Now I try to reword my original question because it was anything but clear. :-)
... |
9-1-2021 at 15:11 by: Pumukli |
Friedel-Crafts acylation of anilides I have a question for our org.chem. experts!
I played around the ubiquitous reaction of aniline, ... |
9-1-2021 at 06:53 by: Pumukli |
Things to do with Ethyl Formate Filtering CuS: in the old days it was common practice to boil the very fine solid precipitate for a ... |
9-1-2021 at 02:38 by: Pumukli |
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