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Purifying Denatured absolute EtOH Superheating problem
I do not understand why you are trying to "purify" absolute alcohol. You can't make it potable and t ... |
25-10-2008 at 08:14
by: Sauron |
CCl3Br -> CCl4 or CHCl3
In my sketch above, 10 is the Michael addition product of enamine 5 (methyl 3-aminocrotonate, formed ... |
24-10-2008 at 21:54
by: Sauron |
sourceachem (UK)
Atropine, huh?
Suggest anything to anyone but me? |
24-10-2008 at 17:19
by: Sauron |
CCl3Br -> CCl4 or CHCl3
The Katritzky paper posted above concludes from NMR experimental evidence that the main pathway of t ... |
24-10-2008 at 17:08
by: Sauron |
specific chemical requests
Nicodem has a good point.
Rarely indeed do I come up empty handed from a really serious effort at ... |
24-10-2008 at 07:53
by: Sauron |
CCl3Br -> CCl4 or CHCl3
I guess I ought to have a closer look at the Knoevenagel reaction, and reread the Katritzky paper on ... |
23-10-2008 at 21:05
by: Sauron |
"Who-me?"
During WWII The technical-services department of the Office of Strategic Services (OSS) created a su ... |
23-10-2008 at 18:52
by: Sauron |
specific chemical requests
A preparative assistance only forum? I assume the same principles would apply as are already in pla ... |
23-10-2008 at 12:49
by: Sauron |
CCl3Br -> CCl4 or CHCl3
And here is the Paul Rabe paper from Ann. in 1904.
The original Knoevenagel prep paper from 1894 ... |
23-10-2008 at 10:42
by: Sauron |
CCl3Br -> CCl4 or CHCl3
Here are the pages from the ACS monograph on Formaldehyde (forum library.)
As you will see, Knoev ... |
23-10-2008 at 09:30
by: Sauron |
CCl3Br -> CCl4 or CHCl3
Thanks. I think it will be very practical.
Regarding the Hantzsch, I had a look at the ACS monogr ... |
23-10-2008 at 08:39
by: Sauron |
org syn website -> malware
A pity that Google is being such a nanny-ninny.
Can you access orgsyn.org via Yahoo's SE? Or some ... |
22-10-2008 at 20:50
by: Sauron |
CCl3Br -> CCl4 or CHCl3
I am looking at various Hantzsch intermediates.
-- Ethyl 3-aminocrotonate - prepared by bubbling ... |
22-10-2008 at 19:39
by: Sauron |
The short questions thread (1)
I have not looked in Beilstein because (1) I have no online access and (2) the reference is to the s ... |
22-10-2008 at 19:07
by: Sauron |
org syn website -> malware
Complain to Google. |
22-10-2008 at 18:10
by: Sauron |
The short questions thread (1)
Hopefully this is a short question. I am frustrated trying to find lit. on the preparation of ethyl ... |
22-10-2008 at 08:15
by: Sauron |
org syn website -> malware
The Org Syn site now appears to be operating normally. I just ran a search and got no AV warning fro ... |
21-10-2008 at 23:38
by: Sauron |
org syn website -> malware
The Org Syn site passed a hijacker to this computer called JD/downloader and another called IEexploi ... |
21-10-2008 at 22:27
by: Sauron |
CCl3Br -> CCl4 or CHCl3
If the photolytic bromination of the arene can be driven to completion or nearly so then we are left ... |
21-10-2008 at 19:51
by: Sauron |
CBrCl3 + Toluene -> Benzyl Bromide + CHCl3 !
We have a whole new ballgame:
It turns out that bromotrichloromethane is a brominating reagent.
... |
21-10-2008 at 08:24
by: Sauron |
CCl3Br -> CCl4 or CHCl3
The way the mechanism of the Hantzsch Dihydropyridine Synthesis is almost always represented is that ... |
20-10-2008 at 21:00
by: Sauron |
Eugenol
MDL ISIS, then Export as jpg. That actually generates a wmf. Then Photoshop to reduce the image size ... |
20-10-2008 at 15:01
by: Sauron |
Fluoromethanes and fluoro-halomethanes
Give me a little time to dig out my papers on this topic and I will do my best to help. |
20-10-2008 at 02:28
by: Sauron |
CCl3Br -> CCl4 or CHCl3
Not a terribly productive day so far.
The 82 page Hantzzsch paper turned out to concern dihydroco ... |
20-10-2008 at 02:26
by: Sauron |
CCl3Br -> CCl4 or CHCl3
Klute:
I am awaiting the seminal 82-pqge paper by Aurthus Hantzsch.
The later paper by him inv ... |
19-10-2008 at 18:49
by: Sauron |
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