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Reaction skill tree
Palladium catalyzed crosscouplings like the Buchwald-Hartwig, the Sonogashira, the Heck and the Suzu ... |
11-10-2018 at 21:32
by: Sigmatropic |
How to maintain 0C Cooling Bath for 12 hours?
Acetone in a Styrofoam box? surely I'm missing something here, but yeah I heard colleagues who put a ... |
11-10-2018 at 13:04
by: Sigmatropic |
How to maintain 0C Cooling Bath for 12 hours?
Either a cool chamber, also know as a walk-in fridge. Or a Styrofoam box packed with ice. Each has t ... |
11-10-2018 at 08:06
by: Sigmatropic |
Pyridine from Pyridine hydrochloride
Why wouldn't you just skip all steps and distill over excess NaOH? The salt is free based and dried ... |
7-10-2018 at 13:37
by: Sigmatropic |
Alkylhalides
Gringards have are still common place but considering the availability of nBuLi, PhLi, and iPrMgCl o ... |
5-10-2018 at 09:40
by: Sigmatropic |
Pretty Pictures (2)
Did you boil off the water in a metal pan? If so I believe the yellow color is from Fe3+. No idea wh ... |
3-10-2018 at 20:59
by: Sigmatropic |
Questions about theroretical synth
Pick up a book already, this is getting old fast. |
3-10-2018 at 20:50
by: Sigmatropic |
Sulfonic Acid Groups to "Thioamines"
Sulfonamide of taurine is probably known. what you have drawn is some vastly more obscure compound w ... |
2-10-2018 at 13:08
by: Sigmatropic |
Mescaline synthesis
A case of fractal wrongness (https://rationalwiki.org/wiki/Fractal_wrongness). |
1-10-2018 at 11:17
by: Sigmatropic |
Alkylhalides
The heavier halides are used since they react faster and give better t
Yields in the grignard react ... |
30-9-2018 at 22:22
by: Sigmatropic |
Is there any feasible way to PID control a hotplate power without effecting the stirring?
In the old ikamag stirrer hitplate I have the stirring and heating circuits are physically separated ... |
29-9-2018 at 23:32
by: Sigmatropic |
molecule synth
clearly_not_atara, the problem is you would end up with a different a,b-unsaturated ketone (see atta ... |
27-9-2018 at 13:25
by: Sigmatropic |
molecule synth
Let us not forget that the more stable isomer of the title compound is actually a double alpha,beta- ... |
27-9-2018 at 12:17
by: Sigmatropic |
molecule synth
Wouldn't the wittig reaction give the alkene instead of the butadiene? Perhaps a pinacol coupling of ... |
24-9-2018 at 08:37
by: Sigmatropic |
Does water and acetic acid form an azeotrope?
Usually high concentration (>90%) of acetic acid are prepared by neutralizing the solution with a ... |
22-9-2018 at 07:08
by: Sigmatropic |
deacetylation, please help?
Aqueous ethanolic KOH is confusing, something cannot be aqueous and ethanolic simultaneously. Simila ... |
19-9-2018 at 09:22
by: Sigmatropic |
Stupid way to make carbon monoxide with an gouging rods.
I guess he just wanted to burst into flames then. |
14-9-2018 at 04:36
by: Sigmatropic |
Preparation of Dimethyl Sulfate Discussion
I remember some of the higher tosylates can be made by using a trialkyl borate (specific example was ... |
13-9-2018 at 11:10
by: Sigmatropic |
Looking for cheap bottles, 250, 500, 1000ml. Any recommendations?
Get a job at a chemical lab, save the glass bottles, save the ptfe lined caps. Hey presto, a lifetim ... |
7-9-2018 at 10:46
by: Sigmatropic |
TLC help - which solvent system - benzalacetone derivate
I did not know of that table! Good find, I will definitely try it out.
|
6-9-2018 at 21:17
by: Sigmatropic |
Eschweiler-Clarke reaction with protected amines
The Eschweiler-Clarke proceeds through an iminium ion. N-acyl compounds can't form an iminium ion. B ... |
6-9-2018 at 21:16
by: Sigmatropic |
Stabilized Hydronium
Got a method for poly water?
Stabilizing a proton as hydronium is weak, hydronium is too reactive. ... |
6-9-2018 at 12:33
by: Sigmatropic |
TLC help - which solvent system - benzalacetone derivate
There are books on tlc but finding out emperically is much easier and faster. For apolar compounds s ... |
6-9-2018 at 12:20
by: Sigmatropic |
Diphenylamine via Friedels-Craft-Alkylation?
Benzylation is different from phenylation (and arylation). With the right nomenclature you're much m ... |
5-9-2018 at 09:11
by: Sigmatropic |
Diphenylamine via Friedels-Craft-Alkylation?
A variation of the Ulmann reaction is described on prepchem. http://www.prepchem.com/synthesis-of-di ... |
3-9-2018 at 11:26
by: Sigmatropic |
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