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Isobutyl Nitrite
Is this actually a esterification or rather a substitution reaction, where the hydrogen of the -OH f ...
26-10-2011 at 06:17
by: Bitburger
ACD/BCF & ACD/KOC question
I use chemspider frequently to predict the properties of organic molecules. But I have a problem in ...
26-10-2011 at 03:58
by: Bitburger
Synthesis of 2-(benzhydrylthio)acetamide
[rquote=96791&tid=8479&author=stoichiometric_steve]you can use potassium peroxymonosulfate ( ...
21-10-2011 at 05:56
by: Bitburger
Acetic anhydride preparation
[rquote=222072&tid=9&author=shivas][rquote=218081&tid=9&author=Bitburger]A hypotheti ...
20-10-2011 at 12:53
by: Bitburger
Benzhydrol--->bromodiphenylmethane
I don't think that it is a good idea to use water to remove excess H2SO4 which didn't react. Sure, t ...
14-9-2011 at 09:51
by: Bitburger
Benzhydrol--->bromodiphenylmethane
I try to prepare alpha-bromodiphenylmethane from the commercial available benzhydrol. My first attem ...
13-9-2011 at 06:04
by: Bitburger
Very exothermic rxn: bromine & pyridine
Several weeks ago the unexpected did happen. My aim was to halogenate pyridine under UV-light.

I ...
19-8-2011 at 11:59
by: Bitburger
AlCl3 synthesis
It's pretty easy to make AlBr3, but once you made it under reflux with toluene as a solvent you shou ...
19-8-2011 at 11:26
by: Bitburger
Lookchem and chinese chemicals
No, that particular site is not suited for a research chemist who behave like they form a company.
...
11-8-2011 at 12:07
by: Bitburger
Troubles to calculate activation energy
Despite all the calculations that I've done and the prediction from another member that this synthes ...
11-8-2011 at 11:24
by: Bitburger
Chemical stability of vanadium II oxide
VO is a stable grey, black oxide with a mp.1790°C

The best way to make it is just a acid reducti ...
7-8-2011 at 08:44
by: Bitburger
Make Potassium (from versuchschemie.de)
[rquote=193860&tid=14970&author=blogfast25]Thermodynamically it makes sense though: NaOH HoF ...
5-8-2011 at 10:22
by: Bitburger
Acetic anhydride preparation
A hypothetical consideration is the reaction between acetic acid and acetaldehyde in the presence of ...
5-8-2011 at 08:50
by: Bitburger
Alzheimer medication for students
But how do I find Huperzia serrata? Yes, there are huge numbers of commercial webshops claiming that ...
5-8-2011 at 03:01
by: Bitburger
Troubles to calculate activation energy
I calculate the [b]Gibbs free energy[/b] of this reaction in aqueous solution:

H[size=-2]2[/size] ...
4-8-2011 at 10:30
by: Bitburger
Lookchem and chinese chemicals
Why not to choose for the FOB system mentioned above but use CIF instead, than you have insurance if ...
4-8-2011 at 09:39
by: Bitburger
Molybdenum metal preparation.
The piece of metal you see is just lead metal.

From PbO/PbO2 you can make lead nitrate (the yell ...
3-8-2011 at 10:46
by: Bitburger
Alzheimer medication for students
But according to wikipedia it's analgesic and acting like THC.

The border of science is nowto ma ...
3-8-2011 at 10:35
by: Bitburger
Lookchem and chinese chemicals
That's a good advice.


But what about the Russian chemists on this forum who can give useful in ...
3-8-2011 at 03:24
by: Bitburger
Lookchem and chinese chemicals
But FOB implies also that you have to pay for the shipping costs. To ship chemicals from China to Eu ...
3-8-2011 at 03:02
by: Bitburger
Lookchem and chinese chemicals
What means FOB, does it mean that you don't have to pay shipping costs?
2-8-2011 at 01:06
by: Bitburger
Molybdenum metal preparation.
Yes, indeed.

I did also another reaction with carbon and manganese sulphate, but without results.
1-8-2011 at 12:23
by: Bitburger
Molybdenum metal preparation.
I have some boring chemicals (like sodium molybdate dihydrate, mangenese(II)sulphate,...)

Because ...
1-8-2011 at 12:13
by: Bitburger
Alzheimer medication for students
It's maybe a crazy idea but I think that very popular drugs to increase your concentration, like met ...
1-8-2011 at 11:28
by: Bitburger
difference between Ph-Li and Ph-Mg-Br
Thank you very much. Really exciting and unique chemistry!

I fully understand, except the 3th poi ...
31-7-2011 at 07:51
by: Bitburger
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