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Reductions of Nitro groups with Zn and acid
aromatic nitro groups are much easier to reduce than aliphatic, and give cleaner products (less side ... |
27-8-2008 at 16:53
by: Klute |
Synthesis of Phenylmagnesium bromide
There si alot on info on preparaing griganrds in Vogels, etc, aswell as arounf the web.
I don't t ... |
27-8-2008 at 14:50
by: Klute |
Trapping NH3
Isn't there some thing you could do with the stream of (apparently) anhydrous NH3? 2 birds with one ... |
27-8-2008 at 14:39
by: Klute |
Malonyl Chloride and Other Oddball Derivatives of Malonic Acid
Thanks for those, Sauron.
It's a pity they don'tdescrib the preparation of ethyl malonyl chlorid ... |
27-8-2008 at 04:56
by: Klute |
argon
Helium is pretty commonly used as an inert gas, but obviously argon is better suited IMHO for the re ... |
26-8-2008 at 17:35
by: Klute |
argon
Use a gas inlet adaptator  They come with taps or without. You need the ones
with taps if you int ... |
26-8-2008 at 15:36
by: Klute |
Acetic anhydride preparation
Congratulations! excellent work!
Now this is the way of concluding on a reaction working or not. ... |
26-8-2008 at 06:38
by: Klute |
a question about polyatomic ions
Yes, basicly. But depending on the molecule, the negative charge can be delocated according to sever ... |
25-8-2008 at 17:18
by: Klute |
p-fluoro benzaldehyde
Panreac offers it at under 50E for 50mL.... It is a colorless liquid, with a very pleasant , delicat ... |
25-8-2008 at 10:54
by: Klute |
Converting to the hydrochloric salt for storage?
I think there is no problem on that side. I ahev seen oxalates been used in pharmacological evulatio ... |
25-8-2008 at 08:56
by: Klute |
The CTH Writeup by Barium as Tried Out by Bandil. Sciencemadness Members Clear Things Up!
I had tried adding NaOH as a conc. solution, then as a solid, but stopped in the middle as so much w ... |
25-8-2008 at 08:38
by: Klute |
Malonyl Chloride and Other Oddball Derivatives of Malonic Acid
That article is a very good read (it read it directly at the ref forum).
I wondering of the possi ... |
25-8-2008 at 06:08
by: Klute |
The CTH Writeup by Barium as Tried Out by Bandil. Sciencemadness Members Clear Things Up!
Well, if you want to avoid the Zn oxides sludge, you will need huge amounts of conc. NH3, which is a ... |
25-8-2008 at 05:55
by: Klute |
Converting to the hydrochloric salt for storage?
I agree with Panziandi, your amine must have dissolved in the water from the HCl. This can even happ ... |
24-8-2008 at 18:57
by: Klute |
Acetic anhydride preparation
As Vogel's explains, thionyl chloride can't be used for preparing AcCl as the bp of AcCl and SOCl2 a ... |
24-8-2008 at 18:43
by: Klute |
The CTH Writeup by Barium as Tried Out by Bandil. Sciencemadness Members Clear Things Up!
Good luck with workup then
Apart from the price of Pd/C, this procedure is very easy to perfor ... |
24-8-2008 at 16:31
by: Klute |
The CTH Writeup by Barium as Tried Out by Bandil. Sciencemadness Members Clear Things Up!
What pleasure to see you here, Barium! |
24-8-2008 at 11:07
by: Klute |
Hydrogen Peroxide Production
I don't think distillation of H2O2 from persulfuric/sulfuric acids is even possible, even with moder ... |
24-8-2008 at 03:42
by: Klute |
Alternative Benzyl Chloride Preps (for those who don't like Chlorine and some who Do)
Nice review, thanks.
But I don't understand why use CC with BnOH while conc. HCl does the trick i ... |
24-8-2008 at 03:37
by: Klute |
reductive amination with triacetoxyborohydride
Thank you very much for that information. I guess i will go with in-situ preparation in GAA... Coul ... |
23-8-2008 at 13:22
by: Klute |
sulfonylchloride to thiol
Hum, seems a bit like a waste of dichloromethylsilane IMHO. Zn reduction of sulfonyl chlorides usual ... |
22-8-2008 at 16:18
by: Klute |
Density of NaCl
Becasue of the interactions between the ions and water, the sum of volume of the solid and the volum ... |
22-8-2008 at 02:54
by: Klute |
methanesulfonic acid
Where do you live? You really are not looking at the right places... If googling directly the chemi ... |
22-8-2008 at 02:35
by: Klute |
reductive amination with triacetoxyborohydride
Here is a pretty inspiring procedure for the reduction of an enamine with preformed acetoxyborohydri ... |
21-8-2008 at 14:55
by: Klute |
Aqueous Preparation of Toluene Sulfonyl Halides
Indeed, that looks like a good options, the reactants are cheap, you just need to make/find the corr ... |
21-8-2008 at 05:06
by: Klute |
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