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How does bromination catalyzed by red phosphorus work?
The mechanism goes something like this:
[file]8666[/file] |
19-9-2009 at 10:51
by: Arrhenius |
How does bromination catalyzed by red phosphorus work?
[rquote=162589&tid=12833&author=Klute]
To 15mL (0,25mol) of GAA containing 1,5g red P (0, ... |
19-9-2009 at 10:37
by: Arrhenius |
Grass/Weed killer
Bleach works well for killing algae and moss on brick. |
2-8-2009 at 08:34
by: Arrhenius |
What does partitioned mean?
Stoichiometric steve: What organic reactions even exist in which you need to extract hot saturated ... |
31-7-2009 at 21:39
by: Arrhenius |
What does partitioned mean?
JohnWW: No, you're wrong... sorry. Ethyl acetate is a fine solvent. It's environmentally friendly ... |
31-7-2009 at 10:32
by: Arrhenius |
What does partitioned mean?
First off, when you read something and a solvent is not given, it's fair to assume it's water. So i ... |
29-7-2009 at 23:52
by: Arrhenius |
Preparation of 3,7-Bis(2-hydroxyethyl)icaritin
I highly doubt this will work. The NMR is fishy, as 25 protons is inconsistent with the mass and for ... |
29-7-2009 at 23:42
by: Arrhenius |
What does partitioned mean?
Performing a partition is a liquid-liquid extraction. The "partition" physically is the boundary be ... |
29-7-2009 at 23:09
by: Arrhenius |
triphosgene
Haha.. I'll be honest then... The smell freaks me out enough to not want to try to characterize its ... |
28-7-2009 at 19:42
by: Arrhenius |
Forming oxalte salts of amines
Klute: Try using toluene or ethanol some time, it really should be pretty fast. I only say your ma ... |
28-7-2009 at 19:32
by: Arrhenius |
how to get 1-Naphthoyl chloride by naphthoic acid?
BMC 13 (2005) 89-112
"The acid chloridewas prepared from 0.122 g (0.60mmol) of 4-methyl-1-naphtho ... |
28-7-2009 at 07:44
by: Arrhenius |
Daigger?
I don't think Daigger will sell to individuals, but you can try. |
28-7-2009 at 07:38
by: Arrhenius |
Forming oxalte salts of amines
I would bet that your material is not pure. I would try forming the salt by any of the above method ... |
28-7-2009 at 07:28
by: Arrhenius |
triphosgene
Len1: Sure, it's probably harmful. I felt funny once after using it, but ultimately decided it was ... |
27-7-2009 at 21:10
by: Arrhenius |
Forming oxalte salts of amines
Mind sharing what the amine is you're trying to form a salt of? |
27-7-2009 at 19:38
by: Arrhenius |
triphosgene
Calcium hypochlorite will likely destroy the reagent. The reaction would have to be strictly anhydr ... |
23-7-2009 at 21:41
by: Arrhenius |
peracetic acid + toluene incompatibility?
The only incompatibility I can think of is that toluene and water are not miscible. Peracetic acid ... |
22-7-2009 at 23:26
by: Arrhenius |
Drying chloroform with MgSO4? how?
http://www.erowid.org/archive/rhodium/chemistry/lsd-buzz.html
This one?......
I seriously doub ... |
22-7-2009 at 20:28
by: Arrhenius |
Drying chloroform with MgSO4? how?
Add some solid anhydrous magnesium sulfate to the chloroform layer (after you've washed it with base ... |
22-7-2009 at 20:14
by: Arrhenius |
nmr wanted
Doesn't it take some knowledge of second-order NMR theory to interpret low field spectra? I was und ... |
21-7-2009 at 00:03
by: Arrhenius |
An azeotrope?
Acetone does form a nice azeotrope with water, and your glassware dries quickly. It's also exceptio ... |
19-7-2009 at 20:50
by: Arrhenius |
Oxidation of Methyl Tiglate
Can't use methoxide in water as it yields methanol and hydroxide. Can't use peroxide without water ... |
18-7-2009 at 16:21
by: Arrhenius |
Oxidation of Methyl Tiglate
DJF90 - Yes, I know you already mentioned this, and I disagreed. I know it's a Michael acceptor, bu ... |
18-7-2009 at 09:44
by: Arrhenius |
Oxidation of Methyl Tiglate
I see no reason not to use m-chloro-perbenzoic acid here. The ester is not easily cleaved in such m ... |
18-7-2009 at 00:00
by: Arrhenius |
Mg-mediated o-formylation of phenols: A Writeup
Magnesium methoxide appears to work particularly well in that it's chelating. The paper suggests a ... |
14-7-2009 at 22:56
by: Arrhenius |
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