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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
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[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
Things to do with Ethyl Formate
Fun fact No 2: those who actually have smelled ethyl-formate are baffled because the smell of ethyl- ...
9-1-2021 at 02:32
by: Pumukli
Things to do with Ethyl Formate
Why not combine the two? Alkaline sulfide precipitation, use Na[sub]2[/sub]S!
Then dry it, then ext ...
8-1-2021 at 05:18
by: Pumukli
Is it possible to synthesize trimethyl phosphate via transesterification
Interesting idea, maybe worth entertaining a bit further.

Question is if a route exists to say tr ...
4-1-2021 at 22:21
by: Pumukli
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