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Acetone condensation with KOH - some experimental results. Isophorone

I noticed rather low yield of your IPH, taking into account amount of used AC.
Unfortunately, rea ...
11-4-2024 at 15:01
by: kmno4
Allophanic acid

Even the best, largest and richest libraries have not all important literature on given subject. E ...
8-4-2024 at 02:35
by: kmno4
Allophanic acid
Nice paper, it shades more light on the cyanates formation from urea+carbonate - multistep and comp ...
7-4-2024 at 14:50
by: kmno4
Synthesis of terephthalic acid from a PET water bottle
[quote]Even if you started with completely pure PET, that would be a 103% yield. I think "crude" is ...
26-3-2024 at 09:31
by: kmno4
Yield of KClO₃ from boiled bleach
Hah, nice coloration, I could swear it is phenolphthalein !
Possibly ferrate, as you suspect. It ca ...
10-3-2024 at 16:10
by: kmno4
Synthesis of terephthalic acid from a PET water bottle
A small addendum.

Combined crude TPA from several alkaline-hydrolysis (72 g) was additionally pur ...
10-3-2024 at 15:41
by: kmno4
Failed attempts at oxidation of alcohols with DMSO/P2O5
I do not know why you use so sophisticated procedure for such oxidations, maybe you feel like it, bu ...
9-3-2024 at 03:00
by: kmno4
Synthesis of terephthalic acid from a PET water bottle
... and the last PET destruction experiment was performed, to test another idea.
Intensively green- ...
7-3-2024 at 14:19
by: kmno4
Synthesis of terephthalic acid from a PET water bottle
Having again some free time, another alkaline hydrolysis experiment was performed to test slightly l ...
2-3-2024 at 08:30
by: kmno4
Synthesis of terephthalic acid from a PET water bottle
Having some free time, I decided to try patent (US4355175) procedure, just for sheer fun.

It mean ...
27-2-2024 at 10:03
by: kmno4
Synthesis of terephthalic acid from a PET water bottle
It seems, that above insane procedure is taken from patent literature (US3952053 or US4355175), with ...
9-2-2024 at 10:13
by: kmno4
Synthesis of terephthalic acid from a PET water bottle
[rquote=690662&tid=160150&author=Texium]There’s nothing wrong with demonstrating alternati ...
4-2-2024 at 22:37
by: kmno4
Synthesis of terephthalic acid from a PET water bottle
It is very unusual way of hydrolysing of PET.
A method for very rich and very mad madscientists, I ...
3-2-2024 at 14:58
by: kmno4
Preparation of Hydrogen Cyanide
Sorry, it has nothing to do with very interesting posts by Pok, but I have to write some additional ...
29-1-2024 at 06:06
by: kmno4
Preparation of Hydrogen Cyanide

Stepan Bandera is a hero in Ukraine, it is true.
But in reality, he was ultra-nationalist collabo ...
27-1-2024 at 12:33
by: kmno4
Preparation of Hydrogen Cyanide

I like it very much, really. I perforformed it (many times) without HCN isolation in larger amount ...
23-1-2024 at 01:16
by: kmno4
Anthraquinone preparations
Boffis, have you tried to purify somehow your "technical grade" anthracene ? Claimed ~90% can be eq ...
17-1-2024 at 08:50
by: kmno4
Semicarbazide
urea -> -> nitrourea - reduction -> desired compound
It works and no N2H4 is needed.

[Edi ...
10-1-2024 at 15:25
by: kmno4
Quaternary pyridine compounds
[rquote=687905&tid=159907&author=Boffis].... or dimethyl sulphate be used? [/rquote]
Such m ...
5-1-2024 at 12:05
by: kmno4
Synthesis of 9,9‘-bianthracene from anthraquinone
I do not know, but such adducts are formed by weak forces and cannot be very stable. I think that to ...
20-12-2023 at 15:06
by: kmno4
Synthesis of 9,9‘-bianthracene from anthraquinone
[rquote=689338&tid=160017&author=Boffis]...experiment with 9-bromo-anthracene and copper bro ...
13-12-2023 at 10:27
by: kmno4
Synthesis of 9,9‘-bianthracene from anthraquinone
The procedure is taken from "The Symmetrical Dianthryls. Part I" by Bell and Waring. It is attached ...
6-12-2023 at 16:44
by: kmno4
Preparation of Ketones by Calcium salt Pyrolysis
[quote].... simple all-glass pipe reactor, containing metal oxide ..... [/quote]
It was constructed ...
30-8-2023 at 12:25
by: kmno4
ethanol self-condensation
[quote](...) we are talking about the interaction of sodium ethoxide with ethanol and its decomposit ...
18-7-2023 at 14:57
by: kmno4
Preparation of Ketones by Calcium salt Pyrolysis
It is obvious, that such highly simplified test-tube scale procedure creates many problems with foam ...
16-7-2023 at 09:37
by: kmno4
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