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

Search
[Next Page]
Blanc chloromethylation employing iodine
Next time just write "omg" so I don't have to activate the translator engine :P

[Edited on 7-9-2020 ...
7-9-2020 at 12:54
by: karlos³
Can you only dry 3A Molecular Sieves in the Microwave? (OTC)
You can always put a beaker(or plain drinking glass) filled with water in one of the edges, not on t ...
5-9-2020 at 15:20
by: karlos³
Blanc chloromethylation employing iodine
Can you get trimethyl phosphate? This works very good and is cheap and nonsuspicious.
Although I ne ...
5-9-2020 at 13:13
by: karlos³
Blanc chloromethylation employing iodine
The kornblum STINKS, I wouldn't want to use any DMSO based method ever again after my own and only e ...
5-9-2020 at 12:10
by: karlos³
Blanc chloromethylation employing iodine
From wikipedia: "The corresponding fluoromethylation, bromomethylation and iodomethylation reactions ...
5-9-2020 at 11:29
by: karlos³
Anyone else having horrible shipping delays, or is my package lost?
Eh, don't worry, Krumpholz is twice to 3x as expensive as china and usually takes 3-4x as long to de ...
4-9-2020 at 11:10
by: karlos³
A few questions
Ah I see, your google is again not working, or maybe it is blocked on your PC?
Here is your answer ...
3-9-2020 at 16:54
by: karlos³
Strange explosive vapor. I call (Poppy gas) named as a kid
I don't know the proper name in englisch, its called "chlorknallgas" in german(="chlorine bang gas" ...
3-9-2020 at 11:29
by: karlos³
Steven's Rearrangement - Alternative strong bases to NaNH2
I've got another possible alternative as a strong base: KOH in DMSO!
Stronger basicity that t-BuOK ...
3-9-2020 at 08:31
by: karlos³
Notation
The one if a half equivalent of the normal diatomic oxygen, the other, one eq. of singlet or monoato ...
2-9-2020 at 13:20
by: karlos³
Best place to get glassware in Germany?
I don't think that the glass from neubert(yes I own some from them) is "gründlicher" as the stuff y ...
2-9-2020 at 11:19
by: karlos³
How dangerous are vacuum distillations really?
In short? Not very dangerous.
However if you jump into it like an idiot, you can hurt yourself.
Bu ...
31-8-2020 at 14:14
by: karlos³
Reduction of nitroalkenes to nitroalkanes
[rquote=643989&tid=156114&author=njl]Also karlos https://erowid.org/archive/rhodium/chemistr ...
31-8-2020 at 13:34
by: karlos³
Reduction of nitroalkenes to nitroalkanes
Well, the reduction of nitropropenes with Fe or Zn will result in the oxime, and then in their hydro ...
31-8-2020 at 11:01
by: karlos³
Reduction of nitroalkenes to nitroalkanes
Is your target the amine though?
Then use the novel one-pot method with NaBH4/CuCl2, it replaced th ...
31-8-2020 at 10:00
by: karlos³
How fast does Diethyl Ether form Peroxides? Reuse Ether Indefinitely
Put some copper wire or such into it, this prevents formation of peroxides.
31-8-2020 at 03:10
by: karlos³
Book review...of sorts!
I found the answer in the meantime, very far fetched to call it the cause for his presidency:
So th ...
29-8-2020 at 18:14
by: karlos³
Book review...of sorts!
Its funny how its title became to be "the mushroom who made John F. Kennedy president" in the German ...
28-8-2020 at 16:47
by: karlos³
European Sulfuric Acid Ban
Where in europe are they even selling concentrated H2SO4 as drain cleaner?
Certainly I've never see ...
27-8-2020 at 14:32
by: karlos³
Steven's Rearrangement - Alternative strong bases to NaNH2
Nicodem mentions a good yielding rearrangement using KOtBu in refluxing toluene here: https://www.sc ...
27-8-2020 at 13:37
by: karlos³
Most toxic compound OTC?
[rquote=643716&tid=155450&author=Tsjerk]
Always fascinating to see plants become about as b ...
26-8-2020 at 22:30
by: karlos³
Most toxic compound OTC?
Very cool!
Somehow the ~200-300 seeds from last year got lost all, but somehow one little seedling ...
26-8-2020 at 05:42
by: karlos³
Ideas for iron powder
[rquote=643637&tid=156085&author=clearly_not_atara]The reduction of internal nitroalkenes to ...
24-8-2020 at 14:00
by: karlos³
Steven's Rearrangement - Alternative strong bases to NaNH2
I think I've read somewhere, that potassium tert-butoxide is a superior strong base for the stevens ...
24-8-2020 at 11:09
by: karlos³
Most toxic compound OTC?
Sorry for OT, but:
Batrachotoxine?
That reminds me of another toxin found in frogs, not really OTC ...
24-8-2020 at 10:55
by: karlos³
[Next Page]

  Go To Top