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Solvent Stills
Ok, I've finally upgraded to the new fancy still heads like everyone now days 
[IMG]http://img. ... |
15-10-2008 at 11:02
by: Klute |
purifying toluene properly
Honestly, I don't think it worth going in the hassle of further purifying it then. there isn't much ... |
15-10-2008 at 10:23
by: Klute |
"dry" acetone
K2CO3 is perfectly suiatble for drying ketones. Just read "Purification of Laboratory Chemicals". I ... |
15-10-2008 at 10:21
by: Klute |
Benzoic Acid, Carbamid>Benzamid>Anilin?
Beautifull work! Thank you very much for sharing!
I've not much to add, maybe that KOH or K2CO3 ... |
15-10-2008 at 10:14
by: Klute |
Cu/SiO2 a cheap versatil hydrogenation catalyst?
Ok, I've finally bought some NiSO4.6H2O as the chloride was taking too long to getin stock, I will s ... |
15-10-2008 at 10:03
by: Klute |
Oxidation of a phenolic derivative with ammonium persulfate
Hot persulfate is a very powerfull oxidant. The kind that turns any organic compound into carbon and ... |
15-10-2008 at 09:37
by: Klute |
purifying toluene properly
What kind of grade wa&s yout toluene? Paint strippers etc nearly always contain methanol, so if ... |
14-10-2008 at 10:01
by: Klute |
Dangerous Cu(x) (NO3)(y) ???
I'm afraid you will form Nox vapors and mixed copper salts. I tried cristallizing it too, even addin ... |
14-10-2008 at 09:56
by: Klute |
Cu/SiO2 a cheap versatil hydrogenation catalyst?
Ah, but I don't recall any mention of nitro grousp being reduced by NiB... Did you read anything ont ... |
14-10-2008 at 09:49
by: Klute |
methylene iodide
It looks like the preparation of ICl and KICl2 are somewhat as practical. I think I would rather chl ... |
13-10-2008 at 13:19
by: Klute |
oxidation of salicylic acid
Chances are you will laso get ring chlorination, obtaining a mixture of partialy chlorinated quinone ... |
12-10-2008 at 21:14
by: Klute |
Synthesis of 4-(3,4-methylendioxyphenyl)butan-2-one, "Cassione"
I tried the preparation of piperonyl bromide this weekend, following the procedure from WO 98/22417 ... |
12-10-2008 at 13:15
by: Klute |
methylene iodide
Jor, strangely I hardly pay more for NaBH4 than for KI  As you say, you need only
1/10 the amount ... |
12-10-2008 at 08:17
by: Klute |
methylene iodide
I guess these compounds are pretty powerfull oxidants. It would be interesting to see how they compa ... |
12-10-2008 at 05:57
by: Klute |
methylene iodide
Very curious, I had never heard of NaICl2.
I guess the major drawback is the cost of iodides. It' ... |
12-10-2008 at 05:09
by: Klute |
methylene iodide
Ok, I figured I could just pop this thread back to life rather than start a new one or continue in t ... |
10-10-2008 at 17:00
by: Klute |
The short questions thread (1)
I've just checke dthe French ref in the OrgSYn article on CH2I2, and it looks to me as if it's one o ... |
10-10-2008 at 08:52
by: Klute |
Methylamine/Ammonia, how to tell them apart?
Mislabeled products are not that uncommon, even with leading products. Especially with products that ... |
10-10-2008 at 07:08
by: Klute |
The CTH Writeup by Barium as Tried Out by Bandil. Sciencemadness Members Clear Things Up!
Do you mean you added freebase Et3N tot he catalyst, and dripped formic acid in? Would it be better ... |
10-10-2008 at 07:05
by: Klute |
Synthesis of 3-(p-Hydroxyphenyl)-2-Butanone "raspberry ketone"
Ok, I just HAD to find a camera to take pictures of theses and show them to you guys... I have fall ... |
8-10-2008 at 12:36
by: Klute |
Methylamine/Ammonia, how to tell them apart?
Mayeb you could try acidifying an small aliquot, evaporate the methanol, and test the solubility in ... |
8-10-2008 at 12:30
by: Klute |
Synthesis of Tartrazine and Allura Red AC
Well, you have it, no?
The reaction is detailed on page 265 of this book:
http://www.sciencemadn ... |
7-10-2008 at 14:24
by: Klute |
what did Ln stand for?
L small N could be mean Pd with n ligands, a general symbole for variosu heterogenous palladium cata ... |
7-10-2008 at 08:52
by: Klute |
Best overall chlorine generator?
That would be 3 moles of HCl, no? |
7-10-2008 at 08:51
by: Klute |
The short questions thread (1)
CO2 is a acid! It will react with LAH...
For the CTh, i would think it will be ok. It must have s ... |
7-10-2008 at 08:49
by: Klute |
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