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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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