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Violuric acid salts (fantastic colors and variety)
[rquote=673672&tid=156755&author=kmno4]... I doubt if UA is formed in this reaction at all.[ ...
21-5-2022 at 12:12
by: kmno4
Violuric acid salts (fantastic colors and variety)
[rquote=673568&tid=156755&author=Boffis]Please let us know how you get on.[/rquote]
Unfortu ...
20-5-2022 at 03:23
by: kmno4
Violuric acid salts (fantastic colors and variety)

I have received the parcel, full of chemical goods :D
I do not trust mentioned paper very much, i ...
16-5-2022 at 03:13
by: kmno4
Violuric acid salts (fantastic colors and variety)
[rquote=656578&tid=156755&author=Boffis]
Guano -> uric acid -> alloxan -> alloxan- ...
12-5-2022 at 14:55
by: kmno4
p-nitrosophenol purification
You may read this:
http://www.sciencemadness.org/talk/viewthread.php?tid=12677
11-4-2022 at 13:44
by: kmno4
BnCl synthesis - Using anhy. CaCl2 as catalyst?
BnCl comes back like a boomerang.....
Read this, for example:
https://www.sciencemadness.org/whisp ...
10-4-2022 at 11:46
by: kmno4
Basic iron acetate structure
Freely available (and much newer) literature can be found here:
https://journals.iucr.org/e/issues/ ...
21-2-2022 at 16:34
by: kmno4
Odd crystals growing in condenser during BnCN reaction reflux
[quote].....almost completely black[/quote]
Post reacton mixture should be more or less brown; in m ...
20-11-2021 at 16:29
by: kmno4
Odd crystals growing in condenser during BnCN reaction reflux
[quote]Speaking of distilling it, do you think fractional distillation is necessary?[/quote]
In thi ...
20-11-2021 at 06:47
by: kmno4
Odd crystals growing in condenser during BnCN reaction reflux
These crystals are surely a sign of impure chemicals :(
What can it be - I do not know, maybe some ...
18-11-2021 at 14:20
by: kmno4
Preparation of 2-hydroxybenzylamine
Hi Boffis.
(EDITED)
.... when no more H2 was consumed, everything was disconnected from my H2 gene ...
17-10-2021 at 02:42
by: kmno4
Preparation of 2-hydroxybenzylamine
... took another sample of salicylaldehyde.
It was much purer, giving snow-white NaHSO3 adduct and ...
11-10-2021 at 08:21
by: kmno4
Preparation of 2-hydroxybenzylamine
[rquote=666009&tid=157328&author=S.C. Wack]
.... this was apparently first used by Walter H ...
8-10-2021 at 22:36
by: kmno4
Preparation of 2-hydroxybenzylamine
Finally I have some time for other experiments.
I decided to try hydrogenation of the oxime over Pd ...
8-10-2021 at 05:13
by: kmno4
Nitration of phthalic acid
During the experiments, new improved proportions for nitration of PHA was developed.
Namely:
5 g o ...
1-10-2021 at 11:55
by: kmno4
Benzil dioxime
A small addendum.
a-benzildioxime prepared on hot from benzil melts at 238-241 C.
Previous measure ...
29-9-2021 at 15:37
by: kmno4
A Note on the Synthesis of 3-Nitrophthalic Acid
I do not like CrO3 procedure, because it must be performed at the edge of runaway, to obtain any amo ...
26-9-2021 at 02:28
by: kmno4
Benzil dioxime
After making several experiments, I have to confirm low yield of a-dioxime prepared. But literature ...
26-9-2021 at 01:58
by: kmno4
A Note on the Synthesis of 3-Nitrophthalic Acid
[rquote=665400&tid=157336&author=Fery]I'm already trying to develop suitable 1-nitronaphthal ...
23-9-2021 at 14:38
by: kmno4
Nitration of phthalic acid
[quote]Does the pH meter work in anhydrous conditions? [/quote]
I do not know. The pH meter I have ...
5-8-2021 at 15:15
by: kmno4
Nitration of phthalic acid
... I am still alive, the experiments are finally finished.
From the perspective of time, I must ad ...
4-8-2021 at 13:25
by: kmno4
Benzil dioxime
Hi Boffis. My suggestion is based only on m.p. determination.
But if Knowledge Seeker's determinati ...
5-6-2021 at 15:53
by: kmno4
Benzil dioxime
[rquote=660970&tid=157530&author=Boffis].....so maybe you have a mixture of di and mono oxim ...
1-6-2021 at 14:17
by: kmno4
Nitration of phthalic acid
[rquote=627506&tid=77130&author=Boffis] ... a patent for the separation of 3 and 4-nitropht ...
8-5-2021 at 01:54
by: kmno4
A Note on the Synthesis of 3-Nitrophthalic Acid
Your assumption is that phthalic acid gives separate and pure phase in your mixture.
Knowing that ...
3-5-2021 at 08:35
by: kmno4
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