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2-Bromo-6-nitrotoluene
While I was looking at sulfonation, or more precisely, looking at starting from commercial pTsOH, th ... |
8-1-2009 at 03:26
by: Sauron |
Sigma Aldrich
Setting him up for buying sodium formate? Unrestricted, non-listed, unscheduled salt of formic acid? ... |
7-1-2009 at 22:16
by: Sauron |
Sigma Aldrich
Can we cut the crap about platinum plating please?
It's OT and derailing the thread. |
7-1-2009 at 20:57
by: Sauron |
2-Bromo-PA into PA
That's true because LA and iso-LA are epimers.
That happy situation is not the case for [i]D[/i]- ... |
7-1-2009 at 19:55
by: Sauron |
synthesis of O-nitroaniline
The above is how to take the sulphonic acid off. Here is how to put it on: conc H2SO4. Oleum is bett ... |
7-1-2009 at 06:11
by: Sauron |
synthesis of O-nitroaniline
Go to forum library and download FUNDAMENTAL PROCESSES OF DYE CHEMISTRY.
Also go to www.orgsyn.or ... |
7-1-2009 at 00:48
by: Sauron |
Dry Ice Cheap for Everyone!
Replacing a simple cheap device with a more complex one?
Diminishing returns surely. |
5-1-2009 at 02:38
by: Sauron |
Dry Ice Cheap for Everyone!
And impossible to store. They will just sublime away, use it or lose it.
The liquid storage, just ... |
4-1-2009 at 21:29
by: Sauron |
Dry Ice Cheap for Everyone!
While some gas suppliers may try to charge you drayage for a 6 m3 cylinder (48 L) I purchase mine ou ... |
4-1-2009 at 19:13
by: Sauron |
2-Bromo-6-nitrotoluene
Nice. And lit. on this?
(much later) I calculate not.
-----------------
To summarize, the b ... |
4-1-2009 at 19:01
by: Sauron |
2-Bromo-6-nitrotoluene
The other approach to 6-halo-2-nitrotoluenes is also documented in Ullmann's section on nitro aromat ... |
4-1-2009 at 00:55
by: Sauron |
The Wang-Hendrickson Synthesis
I agree that the tetracycle with a benzene ring for ring D rather than pyridine is unlikely to be ph ... |
4-1-2009 at 00:01
by: Sauron |
2-Bromo-6-nitrotoluene
Another method cited as prior art in the US patent above is the pyrolysis of 2,6-dinitrophenylacetic ... |
3-1-2009 at 21:30
by: Sauron |
2-Bromo-6-nitrotoluene
I found a patent on separation of DNT isomers by fractional distillation at 20 mbar (15 mm Hg) The ... |
3-1-2009 at 09:51
by: Sauron |
2-Bromo-6-nitrotoluene
That would certainly push things toward the dinitro-p-toluidine route.
The following is from Ullm ... |
3-1-2009 at 03:14
by: Sauron |
The Wang-Hendrickson Synthesis
None of that is N-methylation.
MeI and DMS are the two best, (MeO)3P a dark horse, and the phosph ... |
2-1-2009 at 23:52
by: Sauron |
The Wang-Hendrickson Synthesis
Yes I did read the experimental section as it is in erowid and that's where I made my pdf from.
N ... |
2-1-2009 at 20:33
by: Sauron |
2-Bromo-6-nitrotoluene
And here is the longer alternative
[Edited on 3-1-2009 by Sauron] |
2-1-2009 at 20:16
by: Sauron |
2-Bromo-6-nitrotoluene
@steve
Yes, but as I have a thread going on the W-H that is hardly a Holmesian deduction.ccMore o ... |
2-1-2009 at 18:07
by: Sauron |
The Wang-Hendrickson Synthesis
Again, my advice is, do not buy the 2,5-pyridinedicarboxylic acid, for simple reason that LA is a Sc ... |
2-1-2009 at 08:35
by: Sauron |
2-Bromo-6-nitrotoluene
The same ref. (Dye Chemistry) has preps for the ortho chloro p-toluidines. Again the Me group overri ... |
2-1-2009 at 08:18
by: Sauron |
2-Bromo-6-nitrotoluene
Fundamental Processes od Dye Chemistry p 165 9forum library) has mononitration of p-toluidine at -5 ... |
2-1-2009 at 03:21
by: Sauron |
2-Bromo-6-nitrotoluene
I have need to prepare this compound. The literature recommends starting with p-toluidine, dinitrati ... |
2-1-2009 at 01:32
by: Sauron |
The Wang-Hendrickson Synthesis
Which pdf?
I just downloaded the last one I posted in this thread and it is working fine.
If i ... |
1-1-2009 at 09:37
by: Sauron |
The Wang-Hendrickson Synthesis
Always nice to chat with a saint.
The odd and only sketchily explained mechanism of the SOCl2 rea ... |
1-1-2009 at 07:12
by: Sauron |
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