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Pyridine synthesis/extraction
[quote][i]Originally posted by len1[/i]
Now if there is an actual testable disagreement it is this: ... |
4-1-2008 at 05:02
by: Nicodem |
Pyridine synthesis/extraction
1.) Obviously, you misunderstood my post since I was saying just the opposite. I was commenting Leu' ... |
4-1-2008 at 03:19
by: Nicodem |
A attempt at Halfapint's dimethylsulfate synthesis..
You can not obtain CuCl2 by heating its hydrate in normal atmosphere. That has been said before. Try ... |
3-1-2008 at 04:28
by: Nicodem |
Possible route to resorcinol from Tylenol / Paracetamol?
That was just an example meant to say that just about anything is more interesting than resorcinol. ... |
3-1-2008 at 04:10
by: Nicodem |
Pyridine synthesis/extraction
I just remembered that decarboxylative ketonization proceeds also with acids lacking the alpha hydro ... |
3-1-2008 at 03:43
by: Nicodem |
Pyridine synthesis/extraction
I have yet to see a reaction where pyridine can not be substituted with another mild base (unless of ... |
2-1-2008 at 08:41
by: Nicodem |
Possible route to resorcinol from Tylenol / Paracetamol?
Even if the nitrosation/oxidation gives you the correct regioisomere as the above reference clams (I ... |
2-1-2008 at 08:23
by: Nicodem |
Where, or how can i get Alagebrium?
4,5-Dimethylthiazole, though expensive, is commercially available and unregulated, thus obtainable b ... |
25-12-2007 at 11:02
by: Nicodem |
"Sealed Tube"
Indeed, considering the batch size, I certainly concluded wrongly that they we talk about a sealed a ... |
20-12-2007 at 09:59
by: Nicodem |
"Sealed Tube"
Hydrogenation of [i]p[/i]-bezoquinone yields only hydroquinone at normal conditions. Though with som ... |
20-12-2007 at 09:43
by: Nicodem |
acetylsalicylic acid
I assume you have no ability to do a literature search so I did it for you to check what kind of rel ... |
20-12-2007 at 09:24
by: Nicodem |
help with halohydrin formation....
You will always obtain the "preferred" product as the major product (assuming the gamma position is ... |
19-12-2007 at 13:55
by: Nicodem |
acetylsalicylic acid
You can not make the potassium salt by using KOH. That would cause partial hydrolysis. The best way ... |
19-12-2007 at 13:40
by: Nicodem |
acetylsalicylic acid
[quote][i]Originally posted by Jor[/i]
I'm not really 'skilled' at organic chemistry, but can it be ... |
19-12-2007 at 10:12
by: Nicodem |
bromination of phenyl group
Actually it is kind of reversible when catalyzed by Lewis acids. The problem is that the equilibrium ... |
19-12-2007 at 09:50
by: Nicodem |
nitro-dope?
Given that pyridine is not even an amine it makes no sense claiming it as an example of non-anilinic ... |
16-12-2007 at 07:10
by: Nicodem |
nitro-dope?
Is there any rational reason on why you want to destroy an expensive chemical like dopamine?
Catheh ... |
16-12-2007 at 00:57
by: Nicodem |
Chlorination of Aniline
Chloroanilines are, like all anilines, of all colors since the slightest oxidation byproducts highly ... |
16-12-2007 at 00:54
by: Nicodem |
organolithium reagents
Working with BuLi requires knowledge and skills which are assumed in advance, so that no paper goes ... |
16-12-2007 at 00:47
by: Nicodem |
phenylacetaldehye to phenylacetic acid
For oxidations of phenylacetaldehyde to phenylacetic acid see [i]Tetrahedron 54[/i] (1998) 401-410 a ... |
7-12-2007 at 10:28
by: Nicodem |
hydrobromination alpha of ketone alpha,beta insaturate
[quote][i]Originally posted by Filemon[/i]
It may hydrobromize the double bond in alpha of ketone a ... |
7-12-2007 at 10:10
by: Nicodem |
Acylation of benzaldehyde
Technologist, you are a shame to your profession! How low can you get in order to post such negligen ... |
7-12-2007 at 09:42
by: Nicodem |
Determining o/m/p direction with multiple directors?
The -Cl group is ortho/para orientating in aromatic electrophilic substitution by [u]deactivation[/u ... |
3-12-2007 at 11:11
by: Nicodem |
Spa Brominator as a possible NBS Substitute
Benzyl bromide hydrolyses only very slowly in water. At room temperature it takes several days and a ... |
1-12-2007 at 03:02
by: Nicodem |
Substitution reactions (Alkyl Halide)
I think guy meant that Cl2 is inert to alk[b]a[/b]nes which are the major if not the only constituen ... |
24-11-2007 at 12:22
by: Nicodem |
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