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This is from hyperlab. Google translate can translate it. They suggest petrolether for recrystalliza ...
2-1-2021 at 10:19
by: Pumukli
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
Violuric acid salts (fantastic colors and variety)
Well, nice!

What about ammonium? Or silver? Cadmium? Mercury 2+?
16-12-2020 at 21:13
by: Pumukli
Preparation of ethylene diamine from glycol and urea (via imidazolidone type polymer)
OTC ethylene-diamine? Not bad for a first post. :-) Congratulations and welcome aboard! ;-)

What ...
16-12-2020 at 08:34
by: Pumukli
Mononitration of bromo and fluorobenzene
Nice work. As I can see you are working hard in these days it is an inspiration for me to do somethi ...
14-12-2020 at 05:22
by: Pumukli
Ask Henry Gilman! :-)

He studied Grignard reactions extensively and compiled a good article on th ...
13-12-2020 at 08:06
by: Pumukli
Derivatising p-dichlorobenzene through its nitro compound
Nice to hear that others are also improving their vocabulary at times. :) I can imagine that superco ...
12-12-2020 at 09:48
by: Pumukli
Advice on safety for aldol products
Science Madness is not a bad resource when it comes to chemistry related info. Check this: http://ww ...
11-12-2020 at 23:39
by: Pumukli
Cl2 liquefication

Chloros means yellow in greek but I always had the impression that this particular yel ...
11-12-2020 at 13:32
by: Pumukli
Some real work done. Sweet. :-)

A few remarks:

- A reaction equation would have been nice.

11-12-2020 at 12:34
by: Pumukli
Has anyone smelled hydrazoic acid?How does it smell like?Is it worse than chlorine,ozone and nitrogen dioxide?

C'mon guys!

78 reads so far and not a single hint that "back in the days I heard about some ...
10-12-2020 at 22:07
by: Pumukli
Mononitration of bromo and fluorobenzene
Congratulations! Another good-quality work from you. :)

I agree with the issues mentioned in the ...
10-12-2020 at 09:28
by: Pumukli
Benzoyl chloride from benzoic acid
I'm not sure I want to "weigh in" really but clearly_not_atara politely reminded you that Boffis is ...
9-12-2020 at 12:15
by: Pumukli
More thoughts (rants) on AlCl3 Chlorination of alcohols
To whom it may concern:

TCT is not equal to TCCA (unfortunately) !!! :-)

But there's surely so ...
9-12-2020 at 08:35
by: Pumukli
Mononitration of bromo and fluorobenzene
Unfortunately DCM can only dissolve 1-2 % HNO3. (This is from one of the books in the SM Library, En ...
7-12-2020 at 09:26
by: Pumukli
Mononitration of bromo and fluorobenzene
Hi Boffis!
Believe it or not, yesterday I was surfing the web and came across the following patent. ...
6-12-2020 at 21:55
by: Pumukli
Amine alkylation catalysts
They should.
But they are for the "advanced amateurs" because they require more advanced hardware t ...
3-12-2020 at 09:09
by: Pumukli
Highest Sodium Hypochlorite Concentration that can be made SAFELY ?
How you define "safest"?

It is not an explosive, not a toxic gas, it is a corrosive liquid.

I ...
27-11-2020 at 08:42
by: Pumukli
Taste of sugar alcohols
1,2-propanediol is sweetish at first but much less so than glycerol, has a quick warming effect whic ...
26-11-2020 at 09:36
by: Pumukli
The synthesis of methyl sorbate
I always had the impression that sorbic acid with its conjugated diene structure was sensitive to su ...
26-11-2020 at 02:34
by: Pumukli
Otc oxalyl chloride success?
Then it's time to reach new dimensions in your relationship! :-) Maybe DMSO and oxalyl-chloride is n ...
20-11-2020 at 12:01
by: Pumukli
Preparation of cyanides
Distilling HCN into aquaeous NaOH is not a preferred method because those who tried it reported dark ...
9-10-2020 at 10:38
by: Pumukli
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