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Use of Flat-bottemed flask in Reflux.
It's normal to use a flat bottomed boiling flask for reflux if you are heating with a hot plate rath ... |
26-1-2007 at 00:44
by: Sauron |
Facile oxidation and halogenation of glycerine to chloroacetone and sym-dichloroacetone
Please read the references. They contain a proposed mechanism.
Synth.Comm 22(11), 1589 (1992)
... |
25-1-2007 at 18:49
by: Sauron |
Facile oxidation and halogenation of glycerine to chloroacetone and sym-dichloroacetone
One might expect HCl to attack the secondary hydroxyl first but that jut is not what happens with dr ... |
25-1-2007 at 17:55
by: Sauron |
Easy Route to Acetonedicarboxylic acid?
Oh well, que sera sera. Thanks. |
25-1-2007 at 16:45
by: Sauron |
Thorium refining?
Just how much thoria (thorium oxide) do you hope to isolate from 24 g of this mineral? |
25-1-2007 at 08:26
by: Sauron |
Easy Route to Acetonedicarboxylic acid?
Because the hydroxyl group in citric acid (the alcoholic hydroxyl not the carboxylic ones) is second ... |
25-1-2007 at 07:45
by: Sauron |
Catalytic Hydrogenation
@Orgy, why do you feel the need to engage in ad hominem attacks in public? Are you frustrated that I ... |
25-1-2007 at 04:43
by: Sauron |
Catalytic Hydrogenation
I'm in Bangkok, and have no access to any library, have only a few hardcopy references, and everythi ... |
25-1-2007 at 03:18
by: Sauron |
Easy Route to Acetonedicarboxylic acid?
The usual method for preparing this interesting compound, employed in a number of fascinating Mannic ... |
25-1-2007 at 03:03
by: Sauron |
Facile oxidation and halogenation of glycerine to chloroacetone and sym-dichloroacetone
While looking into TCCA's selectivity (it catalytically oxidizes secondary alcohols while leaving pr ... |
25-1-2007 at 02:44
by: Sauron |
secondary alcohol --> ketone, without dichromate
Has anyone actually tried the TCCA oxidation of benzyl alcohol on a prep scale? Say 1 mol to 10 mols ... |
25-1-2007 at 02:27
by: Sauron |
Catalytic Hydrogenation
Actually I suspect it was bullshit from "I met a guy on the weekend who was telling me about ..." w ... |
24-1-2007 at 23:55
by: Sauron |
The Stupidity of Certain Chemical Bans
Now of course not only do at least some govts not want you to have red P but they also want you not ... |
24-1-2007 at 23:49
by: Sauron |
Ground glass joints - US to EU ISO adaptors?
I think I asked essentially the same question a few posts ago so I will try a partial response: in s ... |
24-1-2007 at 20:05
by: Sauron |
Ground glass joints - US to EU ISO adaptors?
No, not teflon tape. PTFE cones.
There are full length ones that are thin, there are slightly thi ... |
24-1-2007 at 12:23
by: Sauron |
The Stupidity of Certain Chemical Bans
Obviously Lower Draconia where the county Mountie is Buford T.Justice. |
24-1-2007 at 12:12
by: Sauron |
bitter almond benzaldehyde
Anyone can say "fuck the DEA" as talk is cheap.
However if the DEA says "Fuck you!_ you might fin ... |
23-1-2007 at 23:05
by: Sauron |
Ground glass joints - US to EU ISO adaptors?
What is the objection to just using the 24/29 inner joint in the 24/20 outer joint?
It fits fine ... |
23-1-2007 at 09:12
by: Sauron |
Catalytic Hydrogenation
According to Merck Index 12th edition, ma huang contains 0.75% to 1% l-ephedrine along with a mistur ... |
23-1-2007 at 07:49
by: Sauron |
Ground glass joints - US to EU ISO adaptors?
I didn't know ISO was involved in this.
I am familiar with the full lenth joints, fir example 24/ ... |
23-1-2007 at 06:44
by: Sauron |
Catalytic Hydrogenation
We have by sheer coincidence a book on ephedrine in the forum library, another book on catalytic hyd ... |
23-1-2007 at 00:51
by: Sauron |
Catalytic Hydrogenation
So he's doing a dissolving metal rxn and then using the H2 at 1 atmosphere.
1. Is he scrubbing wa ... |
22-1-2007 at 18:26
by: Sauron |
Effectiveness of hexane as a solvent for benzaldehyde.
petroleum ether of whatever range you want is fine and cheaper than hexane but if you have it at han ... |
21-1-2007 at 22:02
by: Sauron |
The Stupidity of Certain Chemical Bans
That is positive news. |
21-1-2007 at 08:19
by: Sauron |
The Stupidity of Certain Chemical Bans
Well, the government of Laos is still communist, and deeply involved in the heroin traffic (aminly, ... |
21-1-2007 at 07:09
by: Sauron |
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