| Search |
| [Next Page] |
modafinil with bad melting point
[rquote=281864&tid=24012&author=sonogashira]Perhaps you have oxidized the amide? http://en.w ... |
27-4-2013 at 08:33
by: kmno4 |
Melting/cleaning cadmium metal
Melting Cd under KOH gives very good results and avoids oxidation. It also removes impurities (Zn, P ... |
26-4-2013 at 01:50
by: kmno4 |
modafinil with bad melting point
Unfortunately I am sure of my measurement, I have just checked it for sublimated benzoic acid - very ... |
16-4-2013 at 13:04
by: kmno4 |
modafinil with bad melting point
patent WO2009/90663 A1, 2009 they give 153 - 154 °C :: single enantiomer, from ethanol
patent WO20 ... |
16-4-2013 at 02:01
by: kmno4 |
modafinil with bad melting point
[rquote=281371&tid=24012&author=paw_20]
http://www.google.com/patents/EP1575915A1?cl=en& ... |
15-4-2013 at 14:19
by: kmno4 |
modafinil with bad melting point
I have some modafinil (prepared by standard procedures) but there is a problem with melting point. ... |
15-4-2013 at 12:00
by: kmno4 |
Ammonium metavanadate (AR) for sale
NH4VO3, min.99% (producer: Park Scientific Ltd, U.K.).
I have some to sell. I can send it by post, ... |
2-4-2013 at 07:56
by: kmno4 |
Ammonium Nitrite
You may prepare NH4NO2 by reaction of (NH4)2SO4 (or NH4Cl, I think) and NaNO2 in 95% ethanol. Deta ... |
27-3-2013 at 01:56
by: kmno4 |
Black and white smoke at papal elections: which chemicals ?
No, no chemicals.
You know nothing about it.
White smoke - powdered body of a white priest/cardina ... |
14-3-2013 at 10:13
by: kmno4 |
Preparation of cyanides
These brown matters are known issues for very long time.
I also noticed this and can confirm it.
I ... |
13-2-2013 at 12:38
by: kmno4 |
More fun with thiourea
.... also tried "sulfite reduction method" from mentioned paper.
Expected: [i]A yellow oi ... |
23-1-2013 at 07:49
by: kmno4 |
More fun with thiourea
I decided to prepare some Cu(I)-tu complexes, according to procedures given [url=http://dx.doi.org/1 ... |
19-1-2013 at 12:20
by: kmno4 |
Real chemistry is dying out, why?
[rquote=271706&tid=21684&author=bfesser]
kristofvagyok, are you trolling us, or are you rea ... |
16-1-2013 at 00:27
by: kmno4 |
More fun with thiourea
[rquote=271348&tid=22922&author=Nicodem](...) Looks like a nice goal for amateur synthesis.
... |
11-1-2013 at 10:45
by: kmno4 |
More fun with thiourea
Thiourea....complexes.....Cu.....reduction.....
- it is known for a long time.
You may also "di ... |
2-1-2013 at 13:54
by: kmno4 |
Chlorination of dioxane, what's the mechanism?
At higher temperatures, maint product are tetrachlorodioxanes ( see references given at OS page, es ... |
12-12-2012 at 13:54
by: kmno4 |
Reason why iron and acid smells bad.
something about "smell of iron"
http://www.sciencemadness.org/talk/viewthread.php?tid=5679&go ... |
7-9-2012 at 13:59
by: kmno4 |
Nootropic syntheses -- piracetam etc.
"Piracetam technology"
- paper found some time ago, possibly on this forum (but now I cannot find i ... |
10-8-2012 at 05:49
by: kmno4 |
Sodium ethoxide with NaOH and ethanol
[rquote=251394&tid=17074&author=S.C. Wack]A good reason why no explicit directions would be ... |
15-6-2012 at 14:10
by: kmno4 |
Sodium ethoxide with NaOH and ethanol
[rquote=251191&tid=17074&author=Nicodem]
Isolating sodium ethoxide from ethanolic NaOH solu ... |
13-6-2012 at 23:34
by: kmno4 |
Preparation of cyanides
[rquote=250573&tid=23&author=Zan Divine]
Why would anyone doubt the veracity of this trivia ... |
6-6-2012 at 13:06
by: kmno4 |
Preparation of cyanides
[rquote=250490&tid=23&author=Zan Divine]Typical run:
(...)[/rquote]
This "thypical" proced ... |
4-6-2012 at 13:08
by: kmno4 |
NaBPh4 from NaBF4 and PhMgBr
Thanks.
Procedure from [i]Tetrahedron[/i] is very similar to procedure from [i]Analytica Chimica A ... |
26-5-2012 at 03:23
by: kmno4 |
NaBPh4 from NaBF4 and PhMgBr
I'm looking for detailed information about synthetic procedure of preparation of NaBPh4:
NaBF4 + Ph ... |
25-5-2012 at 08:54
by: kmno4 |
Methyl isobutyl ketone
[quote]I tried searching on google, etc, but couldn't find anything. [/quote]
I tried and found ans ... |
21-5-2012 at 09:00
by: kmno4 |
| [Next Page] |
