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Conversion of acetamide into MeCN
To perform the conversion you will need a dehydrating agent; however, in my experience, if you can g ...
7-9-2008 at 12:00
by: tapira1
Nicotine and nicotinic acid
There is plenty of li. This may help
7-9-2008 at 08:35
by: tapira1
Isolation of nicotine
Look in here. Beware pure nicotine is highly toxic and may kill you
7-9-2008 at 08:30
by: tapira1
trapping ammonia
Ammonia gas can be trapped as a liquid with a Dry-ice acetone or liquid Nitrogen-EtOAc bath (boiling ...
7-9-2008 at 08:18
by: tapira1
Drying EtOH
Ethanol is best dried employing magnesium, via the magnesium ethoxide. Magnesium can be obtained fro ...
7-9-2008 at 08:16
by: tapira1
Chloranil
Don't know what are you goung to use it for, but DDQ is a substitute in many processes.
7-9-2008 at 08:09
by: tapira1
Butanethiol
BUtanethiol is toxic to males; you could get sterile (donot know if this is reversible). On the othe ...
7-9-2008 at 08:06
by: tapira1
Use SDS
SDS (sodium dodecyl sulfate) is the way to go; the alternative is SOS, but it is very expensive
7-9-2008 at 08:00
by: tapira1
NaClO + NH3
This works beautiful. The product may be crystallized as the sulfate
7-9-2008 at 07:53
by: tapira1
TFA --> HF
TFA will not hydrolyze to HF as far as I know. What about making methyl salycylate; it smells good a ...
7-9-2008 at 07:51
by: tapira1
Et2O peroxides
Contrary to what I was told during years, yesterday night and today I am learning about the instabil ...
7-9-2008 at 05:02
by: tapira1
Me2SO4
Dimethyl sulfate is an alkylating agent. This means that (among other things) it may transform an &g ...
7-9-2008 at 04:58
by: tapira1
acetophenone + diamine + formaldehyde
The reaction of acetophenone and derivatives with a N,N-diamine (not N,N'-diamine) and formaldehyde ...
7-9-2008 at 04:44
by: tapira1
Et2O
Not in my opinion; as far as I know, Et2O peroxides are liquids (oily). But I have where to find out ...
6-9-2008 at 18:59
by: tapira1
Et2O stabilization
THF is stabilized with phenolic-type compounds, which are picked up by the KOH when you store the so ...
6-9-2008 at 18:37
by: tapira1
drying solids
There is an equilibrium shifted to the right. The drying agent dries the air; because the air has le ...
6-9-2008 at 18:30
by: tapira1
DMF toxicity
If you handle DMF properly (gloves, hood, and don't even think to drink it...), you will not get exp ...
6-9-2008 at 18:25
by: tapira1
Yellow As
This is also known as "alpha" arsenic. It is an allotropic variety of arsenic obtained by the rapid ...
6-9-2008 at 18:21
by: tapira1
MSM
MSM looks to me as dimethyl sulfone. There is no inexpensive and direct way to get MsOH from it
6-9-2008 at 18:10
by: tapira1
Ethane bottles
Coming late to the discussion, but agree with panache in a couple of aspects: 1- The gas is extremel ...
6-9-2008 at 18:04
by: tapira1
Use of Ar
We use Ar baloons for reactions (even for big ones); in this way you can control how much you use (u ...
6-9-2008 at 17:57
by: tapira1
DMF toxicity
DMF is highly hepatotoxic; this means will damage your liver on exposure. Thgere should be some kind ...
6-9-2008 at 17:52
by: tapira1
Storing DCM over P2O5
Have read a previous message on storing DCM over P2O5. This cannot be done for much timew, as DCM re ...
6-9-2008 at 17:50
by: tapira1
Hot plate stirrer
My preferred hot plate stirrer is the Nouva II. It is old fashioned, but stirring is superb and repr ...
6-9-2008 at 17:44
by: tapira1
Hood
In order to be able to have any opening in the window of the hood, I have added a couple of counterw ...
6-9-2008 at 17:40
by: tapira1
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