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TEMPO substitute?
Very good work Klute and very inspiring and detailed procedures you are showing us, thank you!
I ... |
1-8-2008 at 05:47
by: Ullmann |
Ethyl/Isopropyl Bromide preparation
See at orgsyn:
[url=http://www.orgsyn.org/orgsyn/orgsyn/prepContent.asp?prep=cv1p0025]orgsyn cv1p ... |
1-8-2008 at 03:43
by: Ullmann |
Asymmetric Etherification of 1,4-dihydroxybenzene
I agree with klute the methylated compound you get must be p-Meo-phenol through the presence of some ... |
13-5-2008 at 07:02
by: Ullmann |
Question about 2-nitropropane
Those butane compound are described in the ariadne entry #8 of pihkal. Tests on labrats showed them ... |
4-8-2007 at 06:30
by: Ullmann |
LiOCH3 to replace NaOCH3?
[quote]You were using it with DMF, right? In such case it would be unlikely to work anyway since the ... |
24-6-2007 at 14:33
by: Ullmann |
Paracetamol --> 2,5-dimethoxyallylbenzene
It is a very long route to a not so useful substrate IMHO. You would do best to search another way t ... |
24-6-2007 at 14:04
by: Ullmann |
LiOCH3 to replace NaOCH3?
Check this link:
[url=http://erowid.org/archive/rhodium/chemistry/345-tmba.vanillin.html]Synthesi ... |
24-6-2007 at 12:48
by: Ullmann |
Novel route to Methylone?
There is a nice paper about FC reaction using the free acid and carbon/p-toluenesuphonic acid as cat ... |
13-1-2007 at 16:14
by: Ullmann |
Several questions regarding Eugenol
[quote][i]Originally posted by jon[/i]
refluxing in HBr should accomplish both Bromination, and dem ... |
3-1-2007 at 11:10
by: Ullmann |
3,4,5-trimethoxynitrostyrene reduction fun
[quote][i]Originally posted by mescalaniousmelvin[/i]
^^^^^^^^
What do you think about scale up, ... |
27-11-2006 at 10:22
by: Ullmann |
3,4,5-trimethoxynitrostyrene reduction fun
Check [url=https://sciencemadness.org/talk/viewthread.php?tid=7045]this thread[/url] for a Al reduct ... |
26-11-2006 at 15:24
by: Ullmann |
Meta-Escaline via Ullmann on Bourbonal
Hi all,
Here is a synthesis of Meta-Escaline sulfate (ME.(SO4)1/2) via the Ullmann methoxylation ... |
15-11-2006 at 18:54
by: Ullmann |
TMA-2: Several questions on a particular synthesis
Yes, i agree with your point Sandmeyer, fun is not very appropriate for this particular compound... ... |
5-11-2006 at 17:23
by: Ullmann |
Good news from Dr. Nichols: 1-Aminomethylbenzocycloalkanes
Well, i would better said that the real problem with aryne pathway is side reactions between the bas ... |
3-11-2006 at 19:39
by: Ullmann |
Cell for smallscale electroreduction of nitroalkenes
Is there any practical advantage of using a mercury cathode instead of a lead cathode?
As judged ... |
28-10-2006 at 05:27
by: Ullmann |
Good news from Dr. Nichols: 1-Aminomethylbenzocycloalkanes
The dibromo-quinone is easily made by addition of bromine to a quinone solution in DCM at 0°C in a ... |
22-10-2006 at 16:15
by: Ullmann |
Good news from Dr. Nichols: 1-Aminomethylbenzocycloalkanes
What is the problem with the same route than the authors but generating the aryne from bromo-dimetho ... |
22-10-2006 at 08:40
by: Ullmann |
5-Hydroxyvanillin
Well, IMHO better to do a methoxylation than an hydroxylation... it is easily done and workup is as ... |
7-6-2006 at 13:59
by: Ullmann |
methylene iodide
[quote]As you probably know the chloride anion is a stronger nucleophyle than the iodide in dipolar ... |
1-5-2006 at 06:57
by: Ullmann |
2,5-dmb
For 25mmol of such a sweet substrate my guess would be that you could try maybe 100mg of isopropylam ... |
10-4-2006 at 12:29
by: Ullmann |
crap
[quote]That thread is painful to read[/quote]
I did not even try.... ;-) |
13-9-2005 at 12:19
by: Ullmann |
A few comments - other view of the situation
Enima :
I personally feel that mild so-called HPPD is sign of a healthy mind, consider yourself ... |
21-1-2005 at 21:02
by: Ullmann |
