Sciencemadness Discussion Board
Not logged in [Login ]
Go To Bottom

Search
[Next Page]
Violuric acid salts (fantastic colors and variety)
Aniline may not be a strong enough base but piperidine should form a salt
28-2-2021 at 09:51
by: Boffis
Weird precipitate (tin-carbonate?)
Its possible that you have incomplete reduction and some hydroazobenzoic acid (white)has formed whic ...
27-2-2021 at 01:36
by: Boffis
Synthesis of 4-chloro-2-nitrophenol
Badly :(

I am now trying to clean up the crap.

After 10 hours I let the mixture cool and this ...
23-2-2021 at 09:44
by: Boffis
Synthesis of 4-chloro-2-nitrophenol
Hi night429, did you try this experiment with a glycol solvent?

I have a 0.1 Molar scale experime ...
22-2-2021 at 10:37
by: Boffis
Attempt to make molten lead from oxalate
[rquote=655355&tid=157073&author=Fulmen]Boffis: NaOH won't work, that will only produce sodi ...
22-2-2021 at 10:11
by: Boffis
Attempt to make molten lead from oxalate
No in this case the preparation of pyrophoric lead by this reaction is well known. To stop the lead ...
22-2-2021 at 06:31
by: Boffis
Synthesis of 4-chloro-2-nitrophenol
Its difficult to couple quinol and catechol with diazonium salts as they tend to act as reducing age ...
17-2-2021 at 01:03
by: Boffis
The chemistry of Sorbic acid
I just tried to scale up the direct combining of sorbic acid and benzoquinone by the solventless fus ...
16-2-2021 at 12:27
by: Boffis
Synthesis of 4-chloro-2-nitrophenol
I was not so worried about resinification or lower yields because of the lower temperatures that I w ...
16-2-2021 at 10:42
by: Boffis
OTC Amine protection?
Are you trying to make lysinamide as an intermediate? If so you don't need to protect the amino grou ...
16-2-2021 at 06:18
by: Boffis
1,4-naphtoquinone by naphtalene oxidation with dichromate
Hi Fery, I'll try and find some of those papers on Lewis acid assisted Diels Alder reaction.

I am ...
16-2-2021 at 06:12
by: Boffis
Recovering an old bottle of FeCl2
I use ferrous chloride as a reducing agent for aromatic nitro compounds but I have given up trying t ...
16-2-2021 at 03:24
by: Boffis
Synthesis of 4-chloro-2-nitrophenol
Nice bit of work night429. I had been looking at this route to 2-nitro-4-chlorophenol-6-sulphonic ac ...
16-2-2021 at 02:25
by: Boffis
1,4-naphtoquinone by naphtalene oxidation with dichromate
Hi Fery, have you tried using methanol or ethanol diluted with a little water, I have found that som ...
15-2-2021 at 13:27
by: Boffis
Things to do with Ethyl Formate
[rquote=652765&tid=156492&author=clearly_not_atara]I would consider reduction -- Mg should r ...
15-2-2021 at 05:21
by: Boffis
1,4-naphtoquinone by naphtalene oxidation with dichromate
Hi Fery, did you get any further with the purification of your naphthoquinone? I would also be inter ...
15-2-2021 at 02:57
by: Boffis
NiCl2 Weirdness
WTF! I don't think I have ever read such a ridiculously over engineered method to achieve anything i ...
14-2-2021 at 06:20
by: Boffis
The chemistry of Sorbic acid
I have now worked up the products from my attempts at Diels Alder condensations between p-benzoquino ...
13-2-2021 at 05:59
by: Boffis
Pyrollidine by 1,4 dibromobutane
@mr_bovinejony; do you have a link to the SM thread or the paper? I wonder if you could try this wit ...
12-2-2021 at 10:55
by: Boffis
Synthesis of malonic acid
Interesting. Many years ago I did a lot of similar work oxidizing particularly malic acid with H2O2 ...
9-2-2021 at 06:37
by: Boffis
The purification of old p-Benzoquinone
Benzoquinone is not completely stable and slowly, over time, turns dark green and eventually black. ...
8-2-2021 at 13:49
by: Boffis
Acetic Anhydride from Zinc Acetate?
Interesting work Peaches! Didn't you use a condenser/receiver beyond the stillhead? I am surprised t ...
6-2-2021 at 04:02
by: Boffis
Can you make bromine in the separatory funnel?
Yes, this is my standard method if I don't need dry bromine, e.g. if I am working in an aqueous envi ...
4-2-2021 at 14:49
by: Boffis
A possible route to acenaphthalone
I am looking at preparing acenaphthalone. It can be prepared from both acenaphthene (C12H10) and ace ...
1-2-2021 at 12:06
by: Boffis
Nitration and acetone
The reaction of fuming nitric acid with organic materials is complex and the results very diverse. T ...
31-1-2021 at 04:48
by: Boffis
[Next Page]

  Go To Top