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Hydrobromic Acid (aq) o-Demethylation
[rquote=230262&tid=18281&author=Nicodem]Have you even bothered looking at the structure of d ...
18-12-2011 at 11:25
by: Picric-A
Hydrobromic Acid (aq) o-Demethylation
I have plenty of left over dihydrocodeine painkillers left over from a prescription and as the pharm ...
18-12-2011 at 10:15
by: Picric-A
reduce nitro aromatic compound to very polar amine
The reduction is an acidic reduction so should not harm your substrate.

The freebasing with NaOH ...
19-10-2011 at 08:44
by: Picric-A
reduce nitro aromatic compound to very polar amine
Reduce with the usual Fe/HCl, freebase with NaOH, steam distill out the amine, extract with diethyl ...
19-10-2011 at 08:15
by: Picric-A
Preparation of Sodium persulfate
No, the carbon will be oxidised to CO2 very quickly indeed.
12-10-2011 at 08:45
by: Picric-A
Chloroform -> Formic Acid
DO NOT use conc. sulphuric acid (>50%) to protonate the formate! This will only evolve odourless, ...
11-10-2011 at 08:48
by: Picric-A
Chloroform -> Formic Acid
Why not make chloroform from sodium hypochlorite + ethanol. This would give chloroform and sodium fo ...
11-10-2011 at 01:48
by: Picric-A
Preparation of Sodium persulfate
Potassium persulphate can easily be made from saturated solutions of potassium chloride and ammonium ...
10-10-2011 at 10:56
by: Picric-A
1-bromo-3-methoxybenzene
Hi all,


1-bromo-3-methoxybenzene, aka, 3-bromoanisole is my target compound for a synthesis.
...
10-10-2011 at 09:54
by: Picric-A
Diazepam
By you? Certainly not.

By a compotent chemist? Yes, most probably.
5-10-2011 at 03:59
by: Picric-A
Synthesis of longer chain tertiary alcohols
[rquote=223756&tid=15171&author=bbartlog]Would it be possible to perform reductive dechlorin ...
4-10-2011 at 23:59
by: Picric-A
DRY HYDROGEN CHLORIDE GAS
[rquote=223123&tid=17277&author=Magpie]I recently gassed about 100g of oleum, having an assu ...
27-9-2011 at 23:20
by: Picric-A
Question about synthesis of halo-substituted aryl Grignards
The reaction would proceed with the bette leaving group (ie, I>Br>Cl>F). You would have to ...
24-9-2011 at 10:35
by: Picric-A
SO2 Oxidation with Persulfate to Sulfuric Acid
IF this reaction does work (and thats a big IF), then all you will be left with is a solution of sod ...
24-9-2011 at 10:23
by: Picric-A
The short questions thread (3)
[rquote=221641&tid=14239&author=Roger86]If a reaction requires Raney nickel catalyst, can it ...
12-9-2011 at 11:19
by: Picric-A
Red phosphorus to Phosphorus trichloride?
[rquote=221035&tid=12582&author=Retard-3000]P4 + 6Br2 > 4PBr3
4PBr3 + 6Cl2 > 4PCl3 + ...
4-9-2011 at 12:22
by: Picric-A
The short questions thread (3)
Green is probably dissolved NO2. This can be dealt by adding small quantities of urea which causes i ...
2-9-2011 at 13:46
by: Picric-A
Benzhydrol Refusing to Crystallise
I reduced 8g of benzophenone with 3g sodium borohydride (1g excess- the borohydride was old and i th ...
29-8-2011 at 10:49
by: Picric-A
Oxalyl Chloride
Sorry, that was a mistake, the yield was actually 130g, 97% yield. My lab notes had ethanol spilt on ...
25-8-2011 at 13:58
by: Picric-A
Oxalyl Chloride
I recieved a couple of U2U's form people asking me how i made the phosohorous pentachloride starting ...
24-8-2011 at 11:33
by: Picric-A
Oxalyl Chloride
The synthesis of Oxalyl chloride is described here;

http://translate.googleusercontent.com/transl ...
24-8-2011 at 07:32
by: Picric-A
AlCl3 synthesis
Dont forget all aluminium chloride solutions are acidic due to the equilibrium;

AlCl3 + 3H20 < ...
8-8-2011 at 06:05
by: Picric-A
Dibenzyl Ketone
Dry distillation of calcium phenylacetate with a current of dry N2 yields dibenzyl ketone in good yi ...
8-8-2011 at 03:30
by: Picric-A
Removal of an Aryl Amine
Im not quite sure what your asking, do you want to completly get rid of the amine group or turn it t ...
8-8-2011 at 03:25
by: Picric-A
Phosphate, hydrogen phosphate or dihydrogen phosphate?
If the solid melts it is most probably ammonium phosphate. Does it release NH3 on contact with akali ...
22-6-2011 at 09:46
by: Picric-A
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