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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
p-Nitroso-dimethylaniline
This is from hyperlab. Google translate can translate it. They suggest petrolether for recrystalliza ...
2-1-2021 at 10:19
by: Pumukli
p-Nitroso-dimethylaniline
I quickly checked my local org. chem. preparations manual but unfortunately this particular compound ...
29-12-2020 at 06:46
by: Pumukli
Nitrotoluene oxidation
" I think the HCl was added after filtering out MnO2 in order to precipitate the product, but I am n ...
24-12-2020 at 13:21
by: Pumukli
Nitrotoluene oxidation
Yes, Fery, they transform, at least the o-nitro variety, but the yield is inherently low, in the 20% ...
24-12-2020 at 04:50
by: Pumukli
allyl phenoxyacetate - pineapple scent
I love these times, when quality work is being done every day and gets published in the organic chem ...
17-12-2020 at 13:05
by: Pumukli
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