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Preparation of methyl tosylate, safe methylating agent
Another failure.
110g of crude acid was dried by heating to about 180degC in a flask under vacuum ... |
19-11-2013 at 10:43
by: no_dream |
Preparation of methyl tosylate, safe methylating agent
The TsOH is soluble in chloroform too, so there was a homogenous clear solution with sulphur in it.U ... |
6-11-2013 at 22:56
by: no_dream |
Preparation of methyl tosylate, safe methylating agent
The preparation according the German patent was tried. The first run was made with about 90g of drie ... |
6-11-2013 at 11:02
by: no_dream |
Nitroethane from ethylsulfate, Desseigne variation.
Because the French article uses oleum for the esterification of ethanol. So the free SO3 reacts with ... |
29-3-2013 at 10:24
by: no_dream |
Copper catalyzed cyanations of benzyl chlorides with potassium ferrocyanide
I don't know why they used toluene, if only for convenience or for some special properties. TO avoid ... |
26-2-2013 at 09:05
by: no_dream |
Synthesis of Carbamide Peroxide?
[b]The Crystal Structure of the Urea—Hydrogen Peroxide Addition Compound CO(NH2)2·H2O2[/b]
Chi ... |
26-2-2013 at 05:23
by: no_dream |
Copper catalyzed cyanations of benzyl chlorides with potassium ferrocyanide
There was published an interesting article on the synthesis of nitriles by cyanation of aryl halides ... |
26-2-2013 at 00:51
by: no_dream |
Seems to work
The brine wash was a very good idea, thanks! The filtrates (400ml) were concentrated in vacuo to abo ... |
8-8-2012 at 09:58
by: no_dream |
p-hydroxybenzaldehyde?
There is no need for recovery of cresol. I have about a kilogram of old oxidized cresol and would to ... |
5-8-2012 at 01:16
by: no_dream |
p-hydroxybenzaldehyde?
The reaction was monitored only by O2 consumption.
The filtration should remove phenolic compounds ... |
4-8-2012 at 21:06
by: no_dream |
p-hydroxybenzaldehyde?
[b]Experimental: US patent 4,429,163[/b]
The ratios were p-cresol 12g, CoCl2 knife tip, KOH 18g, me ... |
4-8-2012 at 11:37
by: no_dream |
small research for NaEtSO4 routes
[b]Optimization of sodium ethylsulfate synthesis[/b]
Some experiments were conducted on this prob ... |
15-8-2011 at 09:35
by: no_dream |
