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Looking for a rotary evaporator
I don't think he is looking for the complete rotovap, only the motor as he already has the condenser ...
21-8-2008 at 04:38
by: Klute
sulfonylchloride to thiol
No, reduction of the sulfonyl chloride doesn't evolve H2S, only H2 and HCl IIRC.

SO2Cl2 doesn't g ...
21-8-2008 at 04:36
by: Klute
silicon tetrachloride and tin(IV) chloride
SiCL4 can be used to make various functionalized silanes, and ortho silicates as you mentionned. The ...
20-8-2008 at 07:49
by: Klute
sulfonylchloride to thiol
I have tried a somewhat similar reaction, reduction of 2,5-dihydroxyphenylthiosulfate, and poisionne ...
20-8-2008 at 04:46
by: Klute
methanesulfonic acid
BTW, sorry, it's the sulfonyl chlorides that can be obtaine dby chlorination of the above adducts... ...
19-8-2008 at 16:43
by: Klute
Aqueous Preparation of Toluene Sulfonyl Halides
Try forming a sulfonamide with it, adding the suspected sulfonyl chloride to a solution of aq. NH3 a ...
19-8-2008 at 16:17
by: Klute
Aqueous Preparation of Toluene Sulfonyl Halides
Unfortuanly, you will not obtain any sulfonyl chloride by chlorianting sodium sulfonate! It is the s ...
19-8-2008 at 13:12
by: Klute
methanesulfonic acid
It can also be made by chlorinating methyl thiosulfate or methylisothiourea, adducts of MeI with res ...
19-8-2008 at 11:30
by: Klute
washing iodophthalic anhydride
Try recrysatllizing the compound with pet ether and a few drops of THF (or similar) to dissolve impu ...
19-8-2008 at 11:25
by: Klute
a-halogenation of carboxylic acids...
I take it no catalyst is required to halogenate the preformed acyl halide?

IIRC, the vogel prepa ...
19-8-2008 at 04:19
by: Klute
1,3 Acetonedicarboxylic Acid
I don't really want to disgress more than already done, but I hardly think Oleum is the kind of prod ...
19-8-2008 at 04:11
by: Klute
Proposed novel 6-step syntheis of 5-MeO-4-AcO-DMT
Riemmer Tiemann is a bit of a messy, low yileding procedure, and not really suitable for expensive s ...
18-8-2008 at 17:07
by: Klute
2-Br Propionic Acid Physical Properties
Regarding the solvent question, of course Et2o can be replaced by the solvent you prefer, DCM, tolue ...
18-8-2008 at 16:49
by: Klute
The CTH Writeup by Barium as Tried Out by Bandil. Sciencemadness Members Clear Things Up!
You could test your catalyst by adding a little formate solution to it, without any substrate, it sh ...
14-8-2008 at 05:04
by: Klute
Acetophenones from benzaldehydes?
Hum, great idea actually, I might try making benzoin derivatives and see hwo they smell, if they sme ...
14-8-2008 at 04:55
by: Klute
Preparation of methyl tosylate, safe methylating agent
Indeed, I was well aware of this route but I have no cesium hydroxide and my supplier is closed unti ...
13-8-2008 at 20:14
by: Klute
Acetalisation and Ketalization
Acetals are amde by addition of an alcohol on a carbonyl, and "etherification" for the hemiacetal wi ...
13-8-2008 at 15:10
by: Klute
Basic organic compunds from Petrol
5 quid a liter IS expensive :)
13-8-2008 at 15:06
by: Klute
Acetophenones from benzaldehydes?
Thank you for sharing. I remeber trying this syteme for oxidation of toluene and benzyl alcohols to ...
13-8-2008 at 15:04
by: Klute
Whats this?
Perhaps it's part of an small sublimator? And the hole realy looks likes a venting hole as used in a ...
13-8-2008 at 13:53
by: Klute
Eugenol Demethylation, revisted.
Well, the thiolate anion, formed by reaction between the methoxide and thiol, simply acts like a nuc ...
13-8-2008 at 05:05
by: Klute
Reactivity amide
[quote]They are resistant to the attacks of the alkyl halides.[/quote]

Is that a claim, or a ques ...
12-8-2008 at 17:31
by: Klute
phosphorus oxychloride (POCl3)
Hum, it's a pity the NaCl/P2O5 would haev been a very neat preparation, both easily obtained and can ...
12-8-2008 at 17:26
by: Klute
New still pot and condenser
Very nice! Looks like clean soldering there!

Maybe you should try making a receiver adaptor out o ...
12-8-2008 at 17:19
by: Klute
Basic organic compunds from Petrol
Oh, even with a nice column, you would need one hell of a reflux ratio etc to isolate benzene or tol ...
12-8-2008 at 17:12
by: Klute
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