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Pyridine hydrogenation - methods?
There are two suppliers who registered this "2-bromopiperidine" item at ChemExper, namely Bosche Sci ... |
29-3-2007 at 03:18
by: Nicodem |
n-methyl-3,4-Dihydroxyphenylalanine (orgsyn)
All that off topic legalistic bullshit in the Organic chemistry section makes me highly upset. Pleas ... |
28-3-2007 at 01:53
by: Nicodem |
n-methyl-3,4-Dihydroxyphenylalanine (orgsyn)
I still do not fully understand a lot of your vague talk, but I came to believe that you made quite ... |
27-3-2007 at 00:49
by: Nicodem |
Preliminary title: sauron
WTF? A thread called "sauron" containing some incomprehensible blather?
This is getting extremely ... |
26-3-2007 at 09:09
by: Nicodem |
n-methyl-3,4-Dihydroxyphenylalanine (orgsyn)
I'm not particularly interested in what you heard but in references to what you heard. I'm quite sur ... |
26-3-2007 at 09:05
by: Nicodem |
Pyridine hydrogenation - methods?
[quote][i]Originally posted by MattEx[/i]
Nah nah, 2-Br-piperidine IS commercially avaliable, just ... |
26-3-2007 at 00:44
by: Nicodem |
Separating Hydroxides
It depends on how pure Cu(OH)2 you need?
If you know the composition of the mixture and do not need ... |
26-3-2007 at 00:17
by: Nicodem |
Aniline
Since HCl is only used to start up the reaction (FeCl3 can be used instead) and Fe is in large exces ... |
25-3-2007 at 23:58
by: Nicodem |
n-methyl-3,4-Dihydroxyphenylalanine (orgsyn)
Lithium chloride is very hygroscopic and is not easy to dry while it needs to be absolutely dry if t ... |
25-3-2007 at 23:29
by: Nicodem |
drying methylammonium acetate
Another likely problem is also the condensation to N-methylacetamide which happens quite slowly, but ... |
25-3-2007 at 09:06
by: Nicodem |
searching water mixable chlorine solvent
I always find this attitude of asking a question without providing any useful information fascinatin ... |
25-3-2007 at 09:00
by: Nicodem |
Retention factors of some compounds
There is only one useful source of such information. You need to perform the chromatography on each ... |
20-3-2007 at 11:59
by: Nicodem |
Pyridine hydrogenation - methods?
[quote][i]Originally posted by MattEx[/i]
Okay - so the idea is that I want to hydrogenate 2-bromop ... |
20-3-2007 at 11:49
by: Nicodem |
Nitropropene ratios
Your "afoaf" should really learn the basics of chemistry, like stoichiometry and stuff. |
19-3-2007 at 15:26
by: Nicodem |
keten lamp
A link to Vogel's page? Is this some kind of a joke? |
18-3-2007 at 02:05
by: Nicodem |
Sulfur
[quote][i]Originally posted by UnintentionalChaos[/i]
Any brillant suggestions for purifying some e ... |
18-3-2007 at 02:02
by: Nicodem |
Preparing Na2S2O8
[quote][i]Originally posted by Per[/i]
When I´ve the empirical formula I can think of a chemical a ... |
18-3-2007 at 01:46
by: Nicodem |
the stucture for splendidin
[quote][i]Originally posted by kclo4[/i]
i have searched all over for its structure! and i am unabl ... |
18-3-2007 at 01:37
by: Nicodem |
Preparing Na2S2O8
It is called [b][url=http://en.wikipedia.org/wiki/Empirical_formula]empirical formula[/url][/b] sinc ... |
18-3-2007 at 00:51
by: Nicodem |
saponification w/ water hydrolysis
Yes, at 140-150°C they should perform more or less equally good as hydroxydes at 100°C. |
16-3-2007 at 14:18
by: Nicodem |
Trifluoroacetic acid What to do with it?
[quote][i]Originally posted by Klute[/i]
Pinacol rearrangement would be the right name, no? my bad. ... |
16-3-2007 at 14:13
by: Nicodem |
Trifluoroacetic acid What to do with it?
[quote][i]Originally posted by Klute[/i]
I was just surprised to hear an oxidation of an alkene/eth ... |
16-3-2007 at 13:47
by: Nicodem |
Trifluoroacetic acid What to do with it?
[quote][i]Originally posted by Furch[/i]
And yes I was referring to the Bayer-Villiger [i]rearrange ... |
16-3-2007 at 13:33
by: Nicodem |
saponification w/ water hydrolysis
Soap is sodium or potassium salts of fatty acids, so what other source of sodium or potassium cation ... |
16-3-2007 at 13:01
by: Nicodem |
Indole-3-Carbinol Oxidation
Only the procedure is said to be the same as for Example 31 and the amount of the oxidant is thus fo ... |
16-3-2007 at 11:34
by: Nicodem |
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