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Very Mild Chlorinating Reagents for Delicate Substrates
In the preparation of amide bonds (peptide synthesis for example) as well as in natural products che ... |
20-7-2008 at 08:55
by: Sauron |
Aryl Glycols from Aryl Vinyls Oxidation
Thanks. The effort to find a regioselective Chlorinating agent for secondary alcohols hasn't been en ... |
20-7-2008 at 08:34
by: Sauron |
pathways to trimethylene chlorohydrin ( or Bromo)
Buy 1.3-trimethylene glycol.
Treat with 1 molar equivalent of the TCT/DMF adduct in DCM at RT.
... |
19-7-2008 at 22:13
by: Sauron |
Vitamin To Valuable Precursor
If you stay away from N-Me and N-Et you avoid legal hassles. If you stay away from benzilic acid lik ... |
19-7-2008 at 19:48
by: Sauron |
Aryl Glycols from Aryl Vinyls Oxidation
According to ACS a paper was presented recently at their Midwest meeting describing a regioselective ... |
19-7-2008 at 09:33
by: Sauron |
Aryl Glycols from Aryl Vinyls Oxidation
No, I am going to a lot of effort to avoid breaking the law.
If I knew how to get from the ketone ... |
19-7-2008 at 09:06
by: Sauron |
Aryl Glycols from Aryl Vinyls Oxidation
Really, read it again carefully and check the yields with primary alcohols -0%.
There are 13 exam ... |
19-7-2008 at 07:56
by: Sauron |
Aryl Glycols from Aryl Vinyls Oxidation
Aldrich is way overpriced particularly on small packaging like 1 g. Likely Alfa is cheaper. Indium I ... |
19-7-2008 at 07:20
by: Sauron |
Aryl Glycols from Aryl Vinyls Oxidation
On the contrary, the Org.Syn. procedure is run on a wide variety of secondary alcohols as well as be ... |
19-7-2008 at 06:55
by: Sauron |
Vitamin To Valuable Precursor
The method used by Biel and coworkers at Lakeside Labs in the late 40s and 50s/60s was based on the ... |
19-7-2008 at 03:58
by: Sauron |
Vitamin To Valuable Precursor
1. Hoffmann Degradation w/ Hypohalite Yield 65-71%)
2. Diazotization and Hydrolysis
3. Reduction ... |
19-7-2008 at 03:43
by: Sauron |
Less-than-lethal (LTL) anesthetic CW agents
Never heard of that, but it does sound like a tall tale.
Where was that supposed to have happened ... |
19-7-2008 at 02:39
by: Sauron |
Painless pyridine hydrochloride production possible?
Yes it is very hygroscopic and the only way to keep it dry is to prepare it in an inert atmosphere i ... |
19-7-2008 at 01:38
by: Sauron |
Vitamin To Valuable Precursor
The ubiquitous vitamin Nicotinamide (niacin) is nicotinic acid amide or pyridine-3-carboxamide. I ha ... |
19-7-2008 at 01:26
by: Sauron |
Less-than-lethal (LTL) anesthetic CW agents
Good thing it's not you then. Such things have been thoroughly investigated for hostage rescue appli ... |
18-7-2008 at 21:31
by: Sauron |
Aryl Glycols from Aryl Vinyls Oxidation
I am not married to that Org Syn method, it is just first one I found. If you don't like it, complai ... |
18-7-2008 at 20:11
by: Sauron |
GBL: 600 raids in Germany, Austria, Switzerland
I always love JohnWW's little rants about the USA.
It's true we have a monopoly on corruption.
... |
18-7-2008 at 19:56
by: Sauron |
Ro15-4513 an anti-drunk drug?
At least one of those nitrogens, with a Me group, can readily invert. Most likely both of them. Cycl ... |
18-7-2008 at 16:20
by: Sauron |
VX preparation
The short answer is "No". Atropine is useful with some OPAs but not with VX and never as a prophyla ... |
18-7-2008 at 15:44
by: Sauron |
GBL: 600 raids in Germany, Austria, Switzerland
What this thread is all about is what the police of two major EU member nations plus a neighbor have ... |
18-7-2008 at 15:27
by: Sauron |
Aryl Glycols from Aryl Vinyls Oxidation
Rube Goldberg reaction scheme? Tell that to the editors of Org.Syn.
You're the one who came up ... |
18-7-2008 at 15:00
by: Sauron |
Aryl Glycols from Aryl Vinyls Oxidation
There are much better reagents than SOCl2, for example cyanuric chloride's complex with DMF, which i ... |
18-7-2008 at 06:55
by: Sauron |
Aryl Glycols from Aryl Vinyls Oxidation
Well, we already know from the teachings of the posted refernces that the glycol partially undergoes ... |
18-7-2008 at 05:52
by: Sauron |
Syntheses of 3-quinuclidinol
Isn't that a wee bt (well, a LOT) off topic for this thread?
Codeine may be OTC in UK but I doubt ... |
18-7-2008 at 04:54
by: Sauron |
Aryl Glycols from Aryl Vinyls Oxidation
Here are the reaction schemes. The first is the Edgewood patentfor 3-quinuclinol from 4-vinylpyridin ... |
18-7-2008 at 04:29
by: Sauron |
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