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Patience and Rubazonic acid
I seem to remember that the nitroso compound was a deep green color.
15-12-2019 at 02:35
by: Sigmatropic
Methylene Dioxy Phenyl Propyl Piperidine.
[rquote=627668&tid=154550&author=Corrosive Joeseph]Am I missing something here......? What i ...
9-12-2019 at 13:53
by: Sigmatropic
Methylene Dioxy Phenyl Propyl Piperidine.
First, ring bromination is likely with the Lewis acid present. Also you'd get the vicinal dibromide ...
9-12-2019 at 09:35
by: Sigmatropic
Diethylamine and m-Toluic acid from DEET
Very nice write up, much better than in the thread referenced. Also much more practical to be able t ...
7-12-2019 at 09:03
by: Sigmatropic
Methoxy-EthylTryptamine
Pumukli, your right I totally missed the fact you can alkylate Indoles under the same conditions. An ...
23-11-2019 at 06:31
by: Sigmatropic
Methoxy-EthylTryptamine
I'd think ethylation of the acetamide followed by hydrolysis is easier than aluminum hydride reducti ...
21-11-2019 at 09:43
by: Sigmatropic
Recrystallization of water?
Perhaps it can, but to what end? Demineralization with ion exhgange resins gives water which is suit ...
12-11-2019 at 13:44
by: Sigmatropic
Conditions for reductive amination
How I was doing it, no, I just mixed amine and ketone then added reducing agent and started heating. ...
4-11-2019 at 14:53
by: Sigmatropic
Conditions for reductive amination
I've done a couple by liberating an ammonium salt in situ with sodium acetate, or buffered with acet ...
1-11-2019 at 10:37
by: Sigmatropic
Who else is a chemistry major with a perilous future
Currently working in a small contact research organization, I am about halfway based on qualificatio ...
5-10-2019 at 12:48
by: Sigmatropic
Chalk composition: CaCO3 vs CaSO4
Lime, as in lime stone is also calcium carbonate. Giving quicklime on calcination, in turn giving sl ...
2-10-2019 at 14:55
by: Sigmatropic
Why is there no such thing as H3NO4 ?
The term to look for is ortho nitrate, similar to ortho esters in naming. https://en.m.wikipedia.org ...
29-9-2019 at 13:47
by: Sigmatropic
Help with scalating a synthesis please
I would be most concerned about the reaction itself and figuring out when it's finished.

With ve ...
16-9-2019 at 09:59
by: Sigmatropic
Need Help Separating different isomers of Halogenated Benzene Compounds
I've prepared some 6-Chloro-umbelliferone-3-carboxylic acid by chlorination of 2,4-dihydroxybenzalde ...
10-9-2019 at 22:21
by: Sigmatropic
Dissolving Calcium ammonium nitrate in Ethanol
In my experience CAN is more like a mixture of calcium carbonate mixed with ammonium nitrate. Dissol ...
29-8-2019 at 13:57
by: Sigmatropic
Methyl tosylate from Trimethyl Borate
IIRC, if you enter trialkyl borate and tosylic acid into reaxys you get a patent about preparation o ...
13-8-2019 at 08:47
by: Sigmatropic
Fluorenone reduction
I'm quite surprised by amount of times a mistake is copied when you search for hydrafinil. Shouldn't ...
4-8-2019 at 04:21
by: Sigmatropic
Preparation of Effexor
I would envisage something like
1) clasien condensation of dimethylacetamide with cyclohexanone, so ...
4-8-2019 at 03:40
by: Sigmatropic
P2P-please don't discard, is just a scientific question with no intention about that chemical's synthesis
[rquote=583877&tid=127971&author=macckone] Potassium permanganate was primarily used in MDMA ...
1-8-2019 at 22:25
by: Sigmatropic
CuCl2+CH3OH+DCM=blue flame?
I lack the theoretical understanding but could the way dcm helps the flame color of copper ions be s ...
11-7-2019 at 11:46
by: Sigmatropic
Methanesulfonyl azide as an antidote for hydrogen sulfide
I really, really, really hate supplementary information where the synthesis just reads: 'synthesized ...
3-7-2019 at 12:03
by: Sigmatropic
Help getting into organic chemistry
After already learning general chemistry I took up the task to read Claydens, Greeves, Warren and wo ...
22-5-2019 at 09:04
by: Sigmatropic
Troubles with Lithium-Halogen exchange reaction.
Gather some in process control samples. Specifically quench a sample with some protic solvent and ta ...
19-5-2019 at 01:53
by: Sigmatropic
Heavy metals waste
For copper specifically, I add aluminium foil wait for the exothermic reaction to set in.
Ot if th ...
10-5-2019 at 08:25
by: Sigmatropic
A little question about Wittig reaction.
I would explain it by the oxophilicity of phosphorus.
I usually assume the oxophosphetane can colla ...
26-4-2019 at 23:15
by: Sigmatropic
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