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Methylenation of catechol derivetives (Base cataylized)
yup those were on my list....for other things to try... |
8-2-2009 at 15:04
by: greenimp |
Methylenation of catechol derivetives (Base cataylized)
Ok so I've been told its ok to go in to experiential detail on this so here we go. (It is a very lon ... |
7-2-2009 at 19:22
by: greenimp |
Methylenation of catechol derivetives (Base cataylized)
Well, lets say there is more to the story, and that there is experimental data to show that the some ... |
7-2-2009 at 08:54
by: greenimp |
Methylenation of catechol derivetives (Base cataylized)
Thanks, I forgot to attach it. |
6-2-2009 at 20:50
by: greenimp |
Methylenation of catechol derivetives (Base cataylized)
I recently got into somewhat of a pie fight with a co-worker over the nature of base catalyzed methl ... |
6-2-2009 at 20:35
by: greenimp |
A new demethylation reagent pair: AlCl3/Thiourea
The hydroxy-vanillin is not soluble in the 5% aq. layer, nor the DCM layer (the vanillin is though)
... |
31-1-2009 at 18:14
by: greenimp |
HCl and Al, AlCl3?
The original patent I read listed xylene as one of the possible solvents. I should have mentioned a ... |
13-1-2009 at 16:11
by: greenimp |
HCl and Al, AlCl3?
So I really hate to resurrect a old thread, but its this or start a new one, and something I am curr ... |
13-1-2009 at 14:07
by: greenimp |
A new demethylation reagent pair: AlCl3/Thiourea
Most of the other examples are liquids i believe. No need to use the DCM.
Green Imp |
31-12-2008 at 22:39
by: greenimp |
A new demethylation reagent pair: AlCl3/Thiourea
I think its more than that. The specifically say the reagent pair is insoluble in the tetrachloroet ... |
31-12-2008 at 21:16
by: greenimp |
A new demethylation reagent pair: AlCl3/Thiourea
Thanks. I think the ethyl acetate should work too, but something went wrong. It may have been dist ... |
22-12-2008 at 15:20
by: greenimp |
A new demethylation reagent pair: AlCl3/Thiourea
Nicoderm is right, the attack on the methyl group drives the reaction forward.
Anyway, here is my ... |
22-12-2008 at 14:14
by: greenimp |
A new demethylation reagent pair: AlCl3/Thiourea
Just finished a run of this. I can say that I believe it works as stated in the patent. Too tired ... |
22-12-2008 at 01:04
by: greenimp |
A new demethylation reagent pair: AlCl3/Thiourea
One step ahead of you. I should have some results soon.  I can say this much the
reagent pair fo ... |
21-12-2008 at 17:50
by: greenimp |
A new demethylation reagent pair: AlCl3/Thiourea
I didn't mean to imply there was one. Just that it was performing the same role as a thiol in the re ... |
21-12-2008 at 12:53
by: greenimp |
A new demethylation reagent pair: AlCl3/Thiourea
well i read the patent, and its not BS. Hard Acid/Soft Base theory is big in this field of work. I ... |
21-12-2008 at 07:30
by: greenimp |
A new demethylation reagent pair: AlCl3/Thiourea
I found this posted on another board, the author was reporting on the demethylation of vanillin, but ... |
20-12-2008 at 16:10
by: greenimp |
