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Mg-mediated o-formylation of phenols: A Writeup
Zinc powder is somewhat easier to obtain than magnesium powder. Is it possible to get zinc powder t ...
5-11-2009 at 21:22
by: Paddywhacker
Getting crystals out of a flask?
I thought it strange that the procedures when I went through university specified recrystallizing in ...
5-11-2009 at 21:18
by: Paddywhacker
Acros
It's DMAP, if that makes any difference.
5-11-2009 at 21:13
by: Paddywhacker
The short questions thread (2)
[rquote=165291&tid=12054&author=UnintentionalChaos][rquote=165290&tid=12054&author=J ...
2-11-2009 at 22:03
by: Paddywhacker
Acros
Can anybody with an Acros account please help me out.

Please send a PM. I need a particular purc ...
1-11-2009 at 18:34
by: Paddywhacker
GLC - Kovats
The Kovats retention index is a useful way of systematizing GLC stationary phases. There is a usefu ...
29-10-2009 at 20:05
by: Paddywhacker
Hydroflouric acid
A safety inspector that was looking over my lab told me that hydroflouric acid was a watched chemica ...
29-10-2009 at 01:57
by: Paddywhacker
Preparation of cyanides
Would fusing ferrocyanide or ferricyanide with KOH, or with KOH/NaOH eutectic mixture free up the cy ...
4-10-2009 at 11:50
by: Paddywhacker
O-(2,4-dinitrophenyl)hydroxylamine
In reference to the previous post, here is a reference to the production and use of O-hydroxylamines ...
27-9-2009 at 13:40
by: Paddywhacker
Aryl aldehyde --> aryl nitrile
This transformation is carried out by means of an O-(dinitrophenyl)oxime. It requires O-(2,4-dinitr ...
26-9-2009 at 23:44
by: Paddywhacker
A benzyl alcohol --> a benzaldehyde
Oxidizing piperonyl alcohol to piperonal using chromium trioxide immobilized on Amberlyst A-26 resin ...
26-9-2009 at 00:53
by: Paddywhacker
An ethylbenzene -> an acetophenone with persulphate & Ag
Oxidize 4-ethylanisole to 4-methoxyacetophenone with aqueous ammonium persulphate and catalytic silv ...
25-9-2009 at 01:31
by: Paddywhacker
How can I neutralize azodicarbonami's colour?
Yellows can sometimes be hidden by adding blue. Something to make the colour black. The result wil ...
25-9-2009 at 00:22
by: Paddywhacker
Benzoin -> Benzil oxidation with Cu[II]/NH4NO3
Oxidation of alpha-hydroxy ketones with aqueous copper and ammonium nitrate, from Mayo, Pike & B ...
23-9-2009 at 22:20
by: Paddywhacker
Great Online Chemistry Texts for the Beginner and the Curious!
I'll scan some of the more interesting experiments.

Maybe in the Christmas holidays I'll have tim ...
23-9-2009 at 02:06
by: Paddywhacker
Nitration of paradichlorobenzene
Nitration of p-dichlorobenzene from Microscale Organic Laboratory by Mayo, Pike and Butcher.

I ca ...
22-9-2009 at 16:51
by: Paddywhacker
What have I done?
With chromatography you can follow the reaction sequence.

So early on you might see two isomeric ...
22-9-2009 at 14:11
by: Paddywhacker
Quickfit Apparatus
check eBay and local online auctions.
More specifically, I have purchased from http://stores.ebay.c ...
21-9-2009 at 14:40
by: Paddywhacker
Phenolic antioxidants
Thread split? not to anywhere I can find.

I wanted to mention [url=http://en.wikipedia.org/wiki/ ...
19-9-2009 at 17:44
by: Paddywhacker
What have I done?
Time to try some chromatography. Use blotting paper if you can't get anything better. Gives you a ...
18-9-2009 at 13:39
by: Paddywhacker
The short questions thread (2)
[rquote=162467&tid=12054&author=Jor]I am soon attempting the luminol synthesis. However, for ...
17-9-2009 at 12:13
by: Paddywhacker
Phenolic antioxidants
[rquote=162378&tid=12821&author=not_important][rquote=162364&tid=12821&author=watson ...
16-9-2009 at 12:21
by: Paddywhacker
Phenolic antioxidants
Thanks Watson.

[rquote=162368&tid=12821&author=starman][rquote=162319&tid=12821&a ...
15-9-2009 at 19:01
by: Paddywhacker
Phenolic antioxidants
[rquote=162292&tid=12821&author=kclo4]what might they be used for?[/rquote]
If you mean, [i ...
15-9-2009 at 00:04
by: Paddywhacker
Phenolic antioxidants
How many times do you need to be slapped down for jumping to conclusions before you stop?
14-9-2009 at 20:46
by: Paddywhacker
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