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What blocked my condenser
Someone once told me we amature chemist's have enough to explain already so let's not have gallons o ... |
3-4-2020 at 22:58
by: Sigmatropic |
LSD on antipsychotics
LSDs effects are mediated through serotonergic and adrenergic receptors. That paliperidone is an inv ... |
3-4-2020 at 21:35
by: Sigmatropic |
Separation of xylene isomers
I expect something like AlCl3/anhydrous HCl or AlBr3/anhydrous HBr under pressure and high temp. Not ... |
3-4-2020 at 13:04
by: Sigmatropic |
Separation of xylene isomers
[rquote=633419&tid=155110&author=draculic acid69]Don't the purified isomers rearrange back i ... |
3-4-2020 at 09:34
by: Sigmatropic |
benzyl alcohol + sulphuric acid = ?
Probably similar to what happens to paramethoxybenzyl protecting groups during the deprotection unde ... |
3-4-2020 at 09:17
by: Sigmatropic |
Ika-combimag ret stirring problems
P3 (pin10-pin11) reads 1-44 kOhm, looks like it's good
Whilst live it goes from 0-3.9V, like it sho ... |
25-3-2020 at 12:36
by: Sigmatropic |
SO2 from S8 and H2SO4
It needs a p and e addition funnel. Now I don't consider that hard but a starter might?
Same for ... |
24-3-2020 at 13:15
by: Sigmatropic |
Wanted : Ideas to cool a 5L flask/mantle quickly
Applying a vacuum will evaporatively cool the flask and its contents. Cooling through reflux then ge ... |
24-3-2020 at 09:02
by: Sigmatropic |
People inadvertently making explosive disinfectants
Exactly my thought, how can there be an ethanol shortage if we're blending it in fuel? Like, maybe i ... |
23-3-2020 at 11:37
by: Sigmatropic |
A theoretical total synthesis of chloroquine I thought up this afternoon
Do you have some literature on the reaction your using to make the dichloroquinolone? It seems to me ... |
21-3-2020 at 09:40
by: Sigmatropic |
Ika-combimag ret stirring problems
Now for the actual insides, first is the stirrer side of things, second (the one with the connection ... |
20-3-2020 at 11:43
by: Sigmatropic |
Ika-combimag ret stirring problems
OK thanks Sulaiman, I will check the potentiometer/variable resistance as soon as I get ahold of my ... |
20-3-2020 at 11:40
by: Sigmatropic |
Ika-combimag ret stirring problems
Hello dear sciencemadness folks,
I've got a several decades old Ika-combimag ret stirrer hotplate ... |
19-3-2020 at 12:25
by: Sigmatropic |
Stevens rearrangement
What are the exact conditions for the Steven's rrr? According to a cursory look (Wikipedia only) the ... |
19-3-2020 at 12:08
by: Sigmatropic |
People inadvertently making explosive disinfectants
Should also add some lemon for the smell. |
14-3-2020 at 22:42
by: Sigmatropic |
ethyl hexanoate - pineapple ester
Theoretical yield or % yield is per definition based on the limiting reagent or reactant. As is clea ... |
20-2-2020 at 13:53
by: Sigmatropic |
Deprotection of N-benzyl piperidine compound
Amines can poison the Pd/C cat, you could try adding acid (acetic or hydrochloric). |
18-2-2020 at 14:25
by: Sigmatropic |
Methods for preventing over addition of Grignard reagent
Sometimes the free acid can be treated with two equivalents of the organolithium. The formed geminal ... |
28-1-2020 at 21:38
by: Sigmatropic |
What is wrong with MDMA production nowdays?
4.87 seems close to residual solvent signal of D2O, could be shifted due to pH effects of the ammoni ... |
25-1-2020 at 10:38
by: Sigmatropic |
Crystallization Techniques
I use slow evaporation to obtain large single crystals. The seeds sometimes by heating&cooling o ... |
12-1-2020 at 00:26
by: Sigmatropic |
Phenyl Acetone transition to Amine by my path
Congratulations on increasing the cost and decreasing the efficiency of the synthesis!
Go read up o ... |
9-1-2020 at 22:48
by: Sigmatropic |
Cubane instead of benzene with the phenylethylamine backbone
Presumably barium carbonate from pottery suppliers. I'd be willing to bet the reaction also chooches ... |
31-12-2019 at 01:41
by: Sigmatropic |
Cubane instead of benzene with the phenylethylamine backbone
You'll find this synthesis interesting then... As far as otc goes, Check scheme 5.
I've got no id ... |
28-12-2019 at 10:26
by: Sigmatropic |
Kitchenware Pyrex on Hotplate
Unless it says borosilicate on the glass, and I cannot read the picture because you photographed fro ... |
21-12-2019 at 02:51
by: Sigmatropic |
Patience and Rubazonic acid
Ah I see I mixed up antipyrine and edavarone, thanks for clearing that up. Beautiful colors indeed! ... |
15-12-2019 at 11:02
by: Sigmatropic |
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