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

Search
[Next Page]
alkylsulphonamides, what do they do?
[quote]
It sounds fun because if I remeber correct then another known substance 3,4-methylenedioxym ...
7-11-2005 at 09:39
by: Nicodem
disulfur dichloride
I'm saying that I do not know what exactly would form (except that CO would [i]not[/i] form). I ...
30-10-2005 at 11:53
by: Nicodem
alkylsulphonamides, what do they do?
Actually that patent is about a preparation of [url=http://www.google.com/search?hl=en&lr=&q ...
30-10-2005 at 07:16
by: Nicodem
disulfur dichloride
Surely you would get a reaction if you mix a weak reducent like sulphur with such a strong oxidant l ...
30-10-2005 at 00:49
by: Nicodem
KI/Oxone oxyiodination dont work!!
Iodinations that involve I+ as the reactive species can not work on unprotected amines. These I+ bea ...
26-10-2005 at 07:27
by: Nicodem
KI/Oxone oxyiodination dont work!!
AgI is not a iodinating reagent!
It is only a side product in the I2/AgNO3, I2/Ag2SO4 and other iod ...
24-10-2005 at 23:43
by: Nicodem
Enthaphy calculations for oxidation and reduction reactions
Enthalpy is not the "total heat energy" (unless one performs the reaction at zero Kelvins) ...
22-10-2005 at 08:17
by: Nicodem
Dehalogenation an Aliphatic Hydrocarbon
Solo, perhaps you will find the attached file interesting for your OTC optimization.
However, I hop ...
18-10-2005 at 10:18
by: Nicodem
Dehalogenation an Aliphatic Hydrocarbon
The problem is that the Grignard reaction don't initialize on protic substrate as far as I know ...
17-10-2005 at 09:45
by: Nicodem
Thiols (mercaptanes) preparation?
You do not get any EtSH or Et2S by bubbling H2S in ethanol. The hydroxide is a teribly bad leaving g ...
15-10-2005 at 12:09
by: Nicodem
Thiols (mercaptanes) preparation?
Mixing H3BO3 with EtOH does not [i]produce[/i] (EtO)3B, it only [i]forms an equilibrium[/i] of H3BO3 ...
15-10-2005 at 11:42
by: Nicodem
Thiols (mercaptanes) preparation?
[quote]
So I think that this is ethyl (or diethyl) sulphide.
[/quote]
No, with the experiment as ...
15-10-2005 at 10:51
by: Nicodem
Nootropic syntheses -- piracetam etc.
But what exactly do you want to know about these compounds?
[quote]I've not found any synthesi ...
10-10-2005 at 08:53
by: Nicodem
hydrolosis of gaba
[quote]
But I think if you reflux [GABA] with HCl you should get 3-chlor butyric acid and ammonium ...
9-10-2005 at 11:46
by: Nicodem
Urea Phosphate
You can't raise the pH by adding more urea. Urea in water solution can barely get protonated.
...
3-10-2005 at 07:30
by: Nicodem
How to Make Shampoo?
[quote][i]Originally posted by alnokta[/i]
I want to make it from the beginning.
[/quote]
Very in ...
24-9-2005 at 10:16
by: Nicodem
question melting point cinnamic acid/urea
Chemoleo, I also had the same thought but for a Hoffman rearangement you need a satuarated amide and ...
18-9-2005 at 14:23
by: Nicodem
prussic acid preparation ?
[quote][i]Originally posted by slyder[/i]
lol haha i do not planing to kill oneself LOL! i just wan ...
18-9-2005 at 02:09
by: Nicodem
question melting point cinnamic acid/urea
Hello,
you surely don't expect any of us to go and measure that for you?:(
Besides you can&# ...
18-9-2005 at 01:58
by: Nicodem
Removing excess triphosgene
Does triphosgene really decompose so slowly in an aqueous solution that you actually have to remove ...
16-9-2005 at 06:22
by: Nicodem
(HPO3)n Dehydrating agent (polyphosphoric or metaphosphoric acid)
Like I already said before I have some doubts the metaphosphoric acid could form as low as at 270°C ...
10-9-2005 at 10:42
by: Nicodem
hydrogenation of cinnamic acid
I doubt Zn/NaOH would work, but Zn/HCl might, most certainly if the Zn is amalgamated. Possibly also ...
8-9-2005 at 03:41
by: Nicodem
(HPO3)n Dehydrating agent (polyphosphoric or metaphosphoric acid)
There already is a thread discussing the production of polyphosphoric acid:
https://sciencemadness. ...
5-9-2005 at 00:28
by: Nicodem
(HPO3)n Dehydrating agent (polyphosphoric or metaphosphoric acid)
Making pyrophosphoric acid (H4P2O7) from H3PO4 is no problem. Once I was about to follow the procedu ...
4-9-2005 at 00:32
by: Nicodem
Drying ethanol via ester hydrolysis.
Sorry, you are right about the refluxing ethanol.
I don't know how efficient this way of remo ...
24-8-2005 at 13:34
by: Nicodem
[Next Page]

  Go To Top