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Help to recognize a quaternary ammonium salt
For those who didn't get why heating long-chain quats with base is a bad idea, it's because Hoffmann ... |
9-1-2009 at 06:49
by: sparkgap |
Have article, will attach
The authors do believe that radical cleavage happens.There is then a shift of sorts that happens to ... |
2-1-2009 at 17:40
by: sparkgap |
PH of NH4HS solution
This should be in "Beginnings"
You would have to get the pKa first of hydrogen sulfide and ammoni ... |
1-1-2009 at 04:16
by: sparkgap |
Preparation of methyl tosylate, safe methylating agent
[quote]
A. A. Padmapriya, G. Just and N.G. Lewis Synthetic Communications 15(12), 1057-1062 (1985)[ ... |
31-12-2008 at 08:12
by: sparkgap |
Sorrry, i don't know what is your site about?
I direct you to [url=http://www.sciencemadness.org/madscifaq.html]this[/url] so you can ascertain fo ... |
31-12-2008 at 06:56
by: sparkgap |
Azides
I was reminded of this thread when I came across the following paper
~~~~~~~~~~~~~~~~~~~
[b]Hi ... |
31-12-2008 at 06:50
by: sparkgap |
Nitroethane from alpha-alanine ?
"Also, the diazonium salt do not decompose because of a copper catalyst but rather because of temper ... |
30-12-2008 at 21:37
by: sparkgap |
The short questions thread (1)
Surely as straightforward as tetramethylammonium hydroxide and nitric acid, right?
(edit: cripes, ... |
30-12-2008 at 21:32
by: sparkgap |
Nitroethane from alpha-alanine ?
I would actually be more optimistic that the scheme QD proposed in the OT would turn glycine to nitr ... |
30-12-2008 at 19:47
by: sparkgap |
Nitroethane from alpha-alanine ?
I believe there is a whole body of literature on the decarboxylation of amino acids. Tryptophan and ... |
30-12-2008 at 07:29
by: sparkgap |
Logical Synthesis of Mellitic Acid
Ah, Ebao-lu, thank you for reminding us of the oxepin-epoxide equilibrium.  With
that in mind, I c ... |
30-12-2008 at 06:27
by: sparkgap |
Logical Synthesis of Mellitic Acid
I don't really know. Searching around using the IUPAC name of your epoxidized diene doesn't give me ... |
29-12-2008 at 22:50
by: sparkgap |
Logical Synthesis of Mellitic Acid
Why do I have the sinking feeling that the final diene in the scheme in your edit will merely decomp ... |
29-12-2008 at 22:18
by: sparkgap |
Calcium or Barium Borohydride?
You have seen [url=http://www.informaworld.com/smpp/content~content=a756995889~db=all]this[/url] and ... |
29-12-2008 at 22:15
by: sparkgap |
The short questions thread (1)
I will merely hasten to add that you should be very cautious in the handling of DMDO... it still is ... |
29-12-2008 at 08:12
by: sparkgap |
Nitroethane from alpha-alanine ?
Don't worry about me, I'm just wondering aloud. It may, it may not, so do try. I'm no Nicodem. 
... |
29-12-2008 at 02:42
by: sparkgap |
Nitroethane from alpha-alanine ?
For that proposed scheme, on the other hand, what I am not now so sure of is the ease of nucleophili ... |
29-12-2008 at 02:29
by: sparkgap |
Nitroethane from alpha-alanine ?
I was about to rail at how positioning could be gotten so wrong, but cursory reading shows that said ... |
28-12-2008 at 20:40
by: sparkgap |
The POTENCY of carcinogens.
I will merely note that propane sultone has functionality similar to some of the [url=http://dtp.nci ... |
28-12-2008 at 17:45
by: sparkgap |
Nitroethane from alpha-alanine ?
The decarboxylation only succeeds for nitroacetic acid, for reasons similar to the ease of decarboxy ... |
28-12-2008 at 17:00
by: sparkgap |
Leuckart reaction
[quote]
The Leuckart reaction involving benzophenone and formamide, catalyzed by MgCl<sub>2&l ... |
27-12-2008 at 22:44
by: sparkgap |
The second article
referred to by Taoiseach is attached. Quite the mix of computational and synthetic chemistry, it was ... |
27-12-2008 at 18:55
by: sparkgap |
The short questions thread (1)
[quote][i]Originally posted by Picric-A[/i]
Would it be possible to nitrate Benzoic acid and if so, ... |
26-12-2008 at 18:02
by: sparkgap |
The short questions thread (1)
kclo4:
With regards to oxidizing glycine, do take a look at [url=http://www.jbc.org/cgi/reprint/9 ... |
25-12-2008 at 19:55
by: sparkgap |
2-Bromo-PA into PA
From the third post, it was clear that he wanted to fiddle with ergot alkaloids. 
Surely not fo ... |
22-12-2008 at 07:33
by: sparkgap |
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