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Generating, Drying and Liquifying SO2 -> SO2Cl2 etc
I like the idea of adding concentrated acid to keep the concentration up. That way you can start wit ... |
31-8-2008 at 08:34
by: Klute |
DCM or Et2O?
Well, lot's of diverging opinions 
I did search around for toxicity data on DCM, but to be hone ... |
31-8-2008 at 08:25
by: Klute |
Generating, Drying and Liquifying SO2 -> SO2Cl2 etc
This whole second page is uselessly unconstructive... Could we go back to topic and avoid such worth ... |
30-8-2008 at 20:10
by: Klute |
DCM or Et2O?
Thank you for your comment, I think I agree with you and stick to DCM.
It is also more versatil ... |
30-8-2008 at 20:05
by: Klute |
DCM or Et2O?
In the past, dichloromethane was my favourite solvent for extractions. It was very efficent, very ea ... |
30-8-2008 at 18:51
by: Klute |
AZIRIDINES.....discussion and comments
Maybe you could use something more efficient than H2SO4 to form a leaving group, such as TsCl? This ... |
30-8-2008 at 18:21
by: Klute |
Removal of excess acetoacetic ester
I'm currently preparing various tertiary amides by aminolysis of ethyl acetoacetate and secondary am ... |
30-8-2008 at 10:45
by: Klute |
Generating, Drying and Liquifying SO2 -> SO2Cl2 etc
Granules, from finely cut Cu wire. I wanted to get some SO2 and coulf have used with some CuSO4, but ... |
30-8-2008 at 07:11
by: Klute |
Generating, Drying and Liquifying SO2 -> SO2Cl2 etc
Funny, I had a pretty bad view of this reaction: it was very irregular, violently bumping at times, ... |
30-8-2008 at 04:53
by: Klute |
SO2Cl2 -> SOCl2 - Some Musings
ok, this has cleared things up. I thought phtaloyl chloride was a solid, that can be distilled under ... |
30-8-2008 at 04:35
by: Klute |
SO2Cl2 -> SOCl2 - Some Musings
You might want to be carefull with any eventual over pressure using such a cylinder... How do you p ... |
29-8-2008 at 19:16
by: Klute |
Benzotrichloride, Benzoyl Chloride, and Phthalyl Chloride - Illustrated Practical Guide
Again, I would recommend a base bath soak!
It gets rid of most of the organic residus, even su ... |
29-8-2008 at 16:50
by: Klute |
Gilman reagents
I have a very similar setup at work. The single-stage manifold (distribution ramp) was given to me b ... |
29-8-2008 at 16:34
by: Klute |
argon
It can be safer to introduce a stream of argon when quenching excess LiALH4 to dilute the H2 to min ... |
29-8-2008 at 13:52
by: Klute |
Generating, Drying and Liquifying SO2 -> SO2Cl2 etc
I dripped a conc. solution of sodium metabisulfite into 50% H2SO4 with good stirring. Maybe the reve ... |
29-8-2008 at 13:47
by: Klute |
Gilman reagents
I totally agree with you. Grignars ar e nice in that they are very versatil, and have a historical ... |
29-8-2008 at 13:36
by: Klute |
Generating, Drying and Liquifying SO2 -> SO2Cl2 etc
Very interesting topic.
I have used the bisulfite method when trying to produce dimethyl sulfate ... |
29-8-2008 at 05:53
by: Klute |
argon
I know the ones sold in my area, having a approx. volume of 5L indicate 500L gas. Might be different ... |
29-8-2008 at 05:48
by: Klute |
Gilman reagents
in my experience, inert atmospher is really required with organo lithiums... ANd it's certainly not ... |
29-8-2008 at 05:35
by: Klute |
Storing the phosphorus chlorides - a bit of advice
Thanks alot!
I've been pretty satisfied by keeping POCl3 in amber bottles and teflon-lined lids t ... |
28-8-2008 at 11:44
by: Klute |
petroleum jelly
Yes, but I suppose it's more of a suspension/emulsion than a true solution. |
28-8-2008 at 05:33
by: Klute |
Malonyl Chloride and Other Oddball Derivatives of Malonic Acid
That article is a very good read.
I'm thinking the t-Bu half chloride could be used to prepare b ... |
27-8-2008 at 20:11
by: Klute |
Reductions of Nitro groups with Zn and acid
My bad
The Zn reduction I knew about, but the Fe reduction gives the oximes (which are then hyd ... |
27-8-2008 at 20:03
by: Klute |
Hydrogen Peroxide Production
Yes, H2O2 is formed to some extent, but quickly degardes to O2 and H2o when you heat the mixture. |
27-8-2008 at 17:31
by: Klute |
Hydrogen Peroxide Production
Sodium carbonate + O2 |
27-8-2008 at 16:54
by: Klute |
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