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Good experiments suited for winter?
You need to be colder than -16 to get liquid SO2, because you have to take consideration of vaporisa ... |
1-2-2014 at 16:39
by: killer_lapin |
reduction of nitrobenzene -> p-aminophenol
UC is right, 500mg acetaminophen weight 513 mg on average so it's almost pure, the amino group is e ... |
29-12-2013 at 08:35
by: killer_lapin |
problem with rotovap
If you vacuum is not strong enought the vapor may condense before reaching the condenser causing liq ... |
26-12-2013 at 06:41
by: killer_lapin |
Decarboxylation of AA's
One pot doesn't always mean that you mix all the reagent and turn te heat on. What we've been trying ... |
16-12-2013 at 13:36
by: killer_lapin |
Decarboxylation of AA's
I think in the same paper there is a part about the possible mechanism. But it sure passes by an imi ... |
15-12-2013 at 19:12
by: killer_lapin |
Arecoline extraction
Here is the actually extraction methode for arecoline. It's complexe so you can understand why I tri ... |
15-12-2013 at 14:43
by: killer_lapin |
Decarboxylation of AA's
There is this paper about decarboxylation of amino acids with ketones( with isolable imines  ), it ... |
15-12-2013 at 14:33
by: killer_lapin |
Decarboxylation of AA's
You can still decarboxylate the AA and then from the residual decarboxylated imine add the zinc and ... |
13-12-2013 at 21:39
by: killer_lapin |
Decarboxylation of AA's
You can decarboxylate AA with high boiling point ketones in PEG or high alkane without acids or base ... |
13-12-2013 at 13:00
by: killer_lapin |
Arecoline extraction
Methyl esters are quite resistant, usualy LiOH is used because it coordinate with the carbonyl and h ... |
13-12-2013 at 11:01
by: killer_lapin |
Arecoline extraction
Good idea to do a TLC, I haven't tought of that! Most of the alkaloid of this plant wouldn't show wi ... |
11-12-2013 at 15:02
by: killer_lapin |
Arecoline extraction
Hi guy,
Few months ago I've extracted some arecoline from betel nuts. I just wanted to share it w ... |
11-12-2013 at 13:41
by: killer_lapin |
Separation of Guaiacol & P Methoxy Phenol
If they are insoluble or slightly soluble in water you could melt the mixture in neutral or slightly ... |
29-8-2013 at 18:08
by: killer_lapin |
Neutralization of capsaicinoids?
Soap...
maybe you should be more specific! |
8-7-2013 at 16:46
by: killer_lapin |
Properties of 1,2-dichloroethane, interesting experiments?
I agree with plant, diversity of chemical is always apreciated at some point. Dichloroethane is stab ... |
27-5-2013 at 11:00
by: killer_lapin |
Homoanisic acid - Ideas?
Zed, I can confirm that tyrosine can be dearboxylated. But after you would have to convert the p-hyd ... |
20-5-2013 at 11:48
by: killer_lapin |
p-Methoxyphenylacetic acid - Haloform? Ideas?
p-methoxyphenyl acetic acid as two carbon alpha to the carbonyl, these two carbone can be deprotonat ... |
15-5-2013 at 18:55
by: killer_lapin |
distilled from molecular sieve?
Vaccum filtration is not a problem at all, the water'll stay in it. For distillation water should st ... |
1-5-2013 at 12:41
by: killer_lapin |
High temperature stir bars
A simple nail piece encapsuled in a borosilicate tube will work fine, It's like when you put a paper ... |
29-3-2013 at 14:08
by: killer_lapin |
Alternative routes, recycling of PET #2 (Aramid Products)
Maybe you can form the dimethyl ester than convert the hydroxyl group to Cl. After purification, cle ... |
18-3-2013 at 09:16
by: killer_lapin |
Alternative routes, recycling of PET #2 (Aramid Products)
I don't think it can work this way because to convert the OH's group into Cl you're producing water, ... |
17-3-2013 at 11:10
by: killer_lapin |
Alternative routes, recycling of PET #2 (Aramid Products)
I'm not sure if the synthesis you're proposing for the alpha-beta-dichloroacid would be possible, or ... |
16-3-2013 at 13:41
by: killer_lapin |
Alternative routes, recycling of PET #2 (Aramid Products)
If you microwave the PETE with the diaminobenzene, in ethylene glycol it would probably trans-esteri ... |
5-3-2013 at 13:04
by: killer_lapin |
Proposal for making styrene monomer
styrene is carcinogenic so you don't want fumes to escape. A simple distillation setup with polystye ... |
5-3-2013 at 10:49
by: killer_lapin |
Hydrogenation
actualy butane contain sulfides too, otherwise you couldn't smell it.
[Edited on 23-2-2013 by kill ... |
22-2-2013 at 16:02
by: killer_lapin |
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