Sciencemadness Discussion Board
Not logged in [Login ]
Go To Bottom

Search
[Next Page]
Amide synthesis by dehydration of N - substituted carboxylate salts
https://www.sciencedirect.com/science/article/pii/S0040403919310950#:~:text=Phosphorus%20pentoxide%2 ...
5-7-2020 at 08:05
by: Sigmatropic
Converting Amine Sulfate into Amine Hydrochloride ?
Dissolve in water pass over a strong basic ion exchange resin Cl- form (amberlite IRA-400 for instan ...
4-7-2020 at 13:30
by: Sigmatropic
Chemists turn alcohol into amino acids, the building blocks of life.
Link is buried in the article. https://doi.org/10.1038/s41557-020-0482-8
29-6-2020 at 10:51
by: Sigmatropic
Oxalyl Chloride Challenge
Has anyone considered chlorinating ethylene carbonate and decomposing the tetrachloroethylene carbon ...
24-6-2020 at 12:27
by: Sigmatropic
Mysterious orange-brown residue inside used glassware
Don't inhale or ingest it, avoid skin contact, Clean it in a well ventilated area. Even if it is one ...
22-6-2020 at 11:58
by: Sigmatropic
Darzen condensation
I fail to see how the glycidic ester can form a sodium salt.
18-6-2020 at 20:47
by: Sigmatropic
Glassware identification
Perkin triangle, I guess.
18-6-2020 at 09:49
by: Sigmatropic
Cyclic diester from 2,2'-oxydibenzoic acid?
If you could dehydrate it to the cyclic anhydride then that would be a nice access point to the brom ...
14-6-2020 at 21:34
by: Sigmatropic
Dean-stark method annoying azeotropes
In industry butyryl chloride is commercially available and we would not bother starting from the aci ...
12-6-2020 at 15:58
by: Sigmatropic
Question help
Crotyl imine tetra anion, the conjugate acid is a compound of the class of a,b-unsaturated imines. T ...
9-6-2020 at 21:55
by: Sigmatropic
Removing denaturing agents from alcohol
Sorry for derailing more but I can already imagine the poor soul putting some sort of pyrophoric sub ...
29-5-2020 at 09:35
by: Sigmatropic
Grade 10 Highschool Science
Oversimplification at its finest. It's the equivalence of quantification to the point of failed util ...
28-5-2020 at 13:12
by: Sigmatropic
Pretty Pictures (2)
Ammonium chloride that crystallized out beautifully overnight after postponing the wash up of this 2 ...
28-5-2020 at 12:51
by: Sigmatropic
Repairing a 90s IKA stirrer hotplate
Do you really recommend joining the broken heating element together with aluminum foil? I would cons ...
26-5-2020 at 13:34
by: Sigmatropic
Ika-combimag ret stirring problems
So I checked continuity between the legs of IS2 and the bottom of the pcb which gave variable result ...
26-5-2020 at 12:21
by: Sigmatropic
Sodium Diformylamide for primary amines(and secondary)
I cannot go into details here but, the deprotection can also be done in the same solvent as the init ...
24-5-2020 at 08:20
by: Sigmatropic
Ika-combimag ret stirring problems
Thanks Mateo_swe, I'll get round to doing that soon. I Must agree with you that IS2 looks particular ...
23-5-2020 at 12:27
by: Sigmatropic
Question about how to scale a synth
I'm with Karlos here, but would like to add that you can generally aim at concentrations of your lim ...
19-5-2020 at 18:42
by: Sigmatropic
Thoughts and observations relating to a cheap Vigreux column and condenser
I find them useful as air condensors although straight tubes would probably also suffice.
14-5-2020 at 13:40
by: Sigmatropic
Ika-combimag ret stirring problems
Okay so today I placed a new IR led, in what I really think is the right way (note), and the stirrer ...
13-5-2020 at 11:33
by: Sigmatropic
Sources of peroxide compounds and substitution?
Acetone, a weak acid and an easily available peroxide substitute. Yep, I've heard enough, good bye!
8-5-2020 at 23:43
by: Sigmatropic
The credibility of syntheses around?
[rquote=635162&tid=155297&author=mackolol]Oh yes and speaking about websites that are credib ...
2-5-2020 at 10:16
by: Sigmatropic
The credibility of syntheses around?
Pre ww2 patents from Germany are actually pretty good, maybe some pretty hardcore chemistry involved ...
2-5-2020 at 10:07
by: Sigmatropic
The credibility of syntheses around?
I'd consider orgsyn.org to have some of the more credible syntheses floating around on the internet. ...
1-5-2020 at 08:21
by: Sigmatropic
Coronavirus pandemic model
Now for some actual models. https://science.sciencemag.org/content/early/2020/04/14/science.abb5793
...
15-4-2020 at 10:27
by: Sigmatropic
[Next Page]

  Go To Top