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Christmas Comes Early This Year Sauron, are the model references marked anywhere on your equipement? Indeed the number KRV 65/45 was ... |
10-11-2008 at 06:18 by: Klute |
Acetonitrile form Ammonium acetate Of course, logical.
but P2O5 usually isn't very expensive or hard to find? Well it's not in ee ... |
10-11-2008 at 05:50 by: Klute |
Acetonitrile form Ammonium acetate Why not prepare it fresh with P2O5? You woul dbe sure of how dry it is |
9-11-2008 at 11:33 by: Klute |
Christmas Comes Early This Year Beautifull, very impressive equipement! Chemporn at it's best
Funny, the 2 old Buchis look alo ... |
9-11-2008 at 11:25 by: Klute |
Methylation of phenolic aldehydes with MeI in DMF: 2-methoxybenzaldehyde bromoethane from ethanol and NaBr/H2SO4, and sodium ethoxide possibly from NaOH/EtOH/Toluene azeotro ... |
9-11-2008 at 11:19 by: Klute |
How do I make a sodium hydroxide solution from caustic soda? The proper procedure would be to gradually add NaOH pellets to a very well stirred, cooled volume of ... |
8-11-2008 at 16:53 by: Klute |
Polylactic acid hydrolysis to lactic acid? I think acid hydrolysis would require extended reflux (+24h) with a large excess of acid to open up ... |
7-11-2008 at 14:47 by: Klute |
pH probe for toluene I remember some debate here (i think) on this issue, i think the bottom end was that pH-electrodes c ... |
7-11-2008 at 01:17 by: Klute |
DCM/CHCl3/CCl4 waste You do not have to be afraid of over pressure in glass bottle with DCM.... The pressure will never ... |
6-11-2008 at 14:54 by: Klute |
4-alkylthio-2,5-dimethoxybenzaldehyde, Sulfuric Duff reaction Btw, have you tried forming the thiol via hydrolysis of the thiosulfate adduct? That would indeed be ... |
6-11-2008 at 14:09 by: Klute |
4-alkylthio-2,5-dimethoxybenzaldehyde, Sulfuric Duff reaction Duff formylation of indoles using AcOH:
[b]Acylation of Indoles by 5uff Reaction and Vilsmeier-Ha ... |
6-11-2008 at 06:43 by: Klute |
4-alkylthio-2,5-dimethoxybenzaldehyde, Sulfuric Duff reaction [b]A One- Step Synthesis of 5-Hydroxy-1,3-benzoxathiol-2-ones[/b]
P. T. S. Lau, M. Kestner
J. Org. ... |
6-11-2008 at 06:12 by: Klute |
4-alkylthio-2,5-dimethoxybenzaldehyde, Sulfuric Duff reaction Some article son the thiolation:
[b]Reaction of Quinones with Thiourea.
A Novel Route to 2-Amino ... |
6-11-2008 at 06:09 by: Klute |
Mg-mediated o-formylation of phenols: A Writeup My pleasure! |
5-11-2008 at 22:13 by: Klute |
chemiluminescence!! Thank you very much! Indeed a very complete and informative paper! |
5-11-2008 at 14:48 by: Klute |
4-alkylthio-2,5-dimethoxybenzaldehyde, Sulfuric Duff reaction Beautifull work!!!!
This is really an incredible advance, the thiolation is very very neat! no ... |
5-11-2008 at 14:23 by: Klute |
Tour My Lab Why do you think so many reactions have german names?! |
4-11-2008 at 23:51 by: Klute |
Christmas Comes Early This Year Oh you lucky person! I would have liked to witness the reception
Now that my dream of having a ... |
4-11-2008 at 23:48 by: Klute |
Reductive amination using Ammonium Sulfate I don't think you can use anything but NaBH3CN, there is some similar work using ammonium acetate in ... |
4-11-2008 at 23:43 by: Klute |
Inorganic Phosphorus Transformations Maybe methylating trimethylamine with dimethylsulfite? Or using SO2Cl2 in a way or an other (althoug ... |
4-11-2008 at 16:06 by: Klute |
purifying toluene properly Indeed, simple distn or even CaSO4 would not be enough for anionic polymerisations... and you would ... |
4-11-2008 at 15:53 by: Klute |
The short questions thread (1) espacenet.com?
Thilo has only one patent in 1960 on dichlorophosphoric esters... I didn't see an ... |
4-11-2008 at 06:07 by: Klute |
Inorganic Phosphorus Transformations How do they form tetramethylammonium sulfate? Heating dimethylsulfate with excess trimethylamine? Wo ... |
4-11-2008 at 05:58 by: Klute |
purifying toluene properly If you dismiss the first 1/4 or so, you will have around 10-20 ppm I think, which is more than enoug ... |
4-11-2008 at 05:51 by: Klute |
The short questions thread (1) Maybe some kind of low melting alloy? I think such mixtures used to used a long time ago.. is this a ... |
3-11-2008 at 13:40 by: Klute |
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