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keten lamp
If ketene reacted with those alloys they wouldn't be suitable for filament.
Just remember you can ... |
9-4-2007 at 13:20
by: Sauron |
Prep of p-Nitrobenzyl Bromide & Relatives
And that's why I am detouring to p-toluidine.
If there's no convenient and selective oxidation t ... |
9-4-2007 at 13:12
by: Sauron |
Acetic anhydride preparation
I'm not interested. It's your idea, you try it. That way if it works you get the credit. And if it d ... |
9-4-2007 at 13:07
by: Sauron |
Prep of p-Nitrobenzyl Bromide & Relatives
Sorry @vulture, that paragraph is supposed to read
Interestingly as the alkyl group increases Me ... |
9-4-2007 at 12:41
by: Sauron |
keten lamp
It's purely speculative. Do you see any examples from the literature of preparation of acid chloride ... |
9-4-2007 at 11:53
by: Sauron |
Acetic anhydride preparation
The short answer is no, theose won't work, or aren't practicable, and anyway they have already been ... |
9-4-2007 at 11:41
by: Sauron |
Prep of p-Nitrobenzyl Bromide & Relatives
Thanks. Looks like $37/Kg (Acros) is better way to go.
No info yet on optimizing for p-isomer. Da ... |
9-4-2007 at 08:28
by: Sauron |
Prep of p-Nitrobenzyl Bromide & Relatives
Edit: I have changed title of thread because we have meandered away from mononitration of toluene to ... |
9-4-2007 at 07:38
by: Sauron |
1,4-benzenedicarboxylic acid from xylene by oxidation
Org.Syn. has a prep for p-nitrobenzyl bromide on a 250-280 g purified product scale starting from p- ... |
8-4-2007 at 22:11
by: Sauron |
sciencelab .com
You are missing the point, they STEAL YOUR MONEY AND DELIVER NOTHING so what they pretend to sell do ... |
8-4-2007 at 21:44
by: Sauron |
keten lamp
Well, no, that is NOT correct.
You are trying to use the MECHANISM I posted as if it is a PROCEDU ... |
8-4-2007 at 21:38
by: Sauron |
37% formaldehyde
See Org.Syn. for an explanation of the difficulties in assaying aqueous formaldehyde by density.
... |
8-4-2007 at 21:29
by: Sauron |
1,4-benzenedicarboxylic acid from xylene by oxidation
Do yourself a big favor and get either a water aspirator or a hand operated Nalgene vac pump.
The ... |
8-4-2007 at 20:04
by: Sauron |
Acetic anhydride preparation
Boiling point is easy. AcCl boils low, AcOH 117, Ac2O 140.
AcOH is nonflammable, Ac2O is very fl ... |
8-4-2007 at 19:17
by: Sauron |
keten lamp
That is correct, you are making some copper acetate and soon you will have holes in your column.
... |
8-4-2007 at 19:09
by: Sauron |
keten lamp
A ketene lamp will never get you more than half a mol ketene per hour and probably less.
That mea ... |
8-4-2007 at 10:30
by: Sauron |
sciencelab .com
@Magpie, hang on. First of all, we are working backwards from a known piece of data, which is that t ... |
8-4-2007 at 09:42
by: Sauron |
1,4-benzenedicarboxylic acid from xylene by oxidation
US Patent 2 853 054 (Brill, to Olin Matheson) describes oxidation of various compounds to arylcarbox ... |
8-4-2007 at 09:28
by: Sauron |
Cyanuric acid for use in preparation of cyanates
Yeah, TCCA rearranges to cyanuric acid when it gives up its chlorines and reverts to TCCA in the pre ... |
8-4-2007 at 08:33
by: Sauron |
1,4-benzenedicarboxylic acid from xylene by oxidation
Bear in mind that if the particular esters aren't volatile enough then it would not be too hard to i ... |
8-4-2007 at 08:25
by: Sauron |
Illicit Drugs & Amateur Chemistry - What to do?
I did not say drug prices go down as a result of enforcement, I said drug prices historically have c ... |
8-4-2007 at 08:05
by: Sauron |
sciencelab .com
@joe, damn it, you are mischaracterizing what I said I did not say that anyone who bought from scien ... |
8-4-2007 at 07:49
by: Sauron |
1,4-benzenedicarboxylic acid from xylene by oxidation
@klute:
The p-bromophenacyl monoesters have mp's as follows
phthalic 153 C
isophthalic 179 C
... |
8-4-2007 at 06:53
by: Sauron |
1,4-benzenedicarboxylic acid from xylene by oxidation
NaOH would give you the Na salt of the di-acid, I'd expect. |
8-4-2007 at 03:42
by: Sauron |
Illicit Drugs & Amateur Chemistry - What to do?
Scuttlebutt has it though that the MDA/MMDA precursors are mostly Dutch exports, FWIIW. And I am tal ... |
8-4-2007 at 03:34
by: Sauron |
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