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Glyoxal Synthesis
Yeah, just add your glyoxal-containing solution to an excess of ethanolic solution of sodium bisulfi ... |
16-8-2013 at 06:31
by: IPN |
Pretty Pictures (1)
TLC from a reaction I did few weeks ago (making some spiropyran derivative):
[img]http://puu.sh ... |
7-6-2013 at 07:30
by: IPN |
Dimethyl Sulfate, cheapest preparation, OTC !
Just wanted to second this:
[quote]
The solution I'd prefer to use is a 5:1:1 mixture of methano ... |
4-6-2013 at 08:02
by: IPN |
Best and worst smelling chemicals?
Having worked a lot with triethylamine (sonogashiras in neat TEA) I dont know if I have just gotten ... |
3-9-2012 at 22:12
by: IPN |
Samarium from SmCo5 Magnets
No offence blogfast25, but did you read the post at all?  Because it clearly
describes the way Der ... |
12-11-2011 at 06:45
by: IPN |
A puzzle about the precipitation of calcium oxalate
I think you are just witnessing Le Chatelier's principle in action. Meaning that having that excess ... |
19-10-2011 at 03:31
by: IPN |
Thorium Separation From TIG Electrodes
In an attempt to obtain some thorium compounds from welding rods I did an experiment in dissolving t ... |
25-9-2011 at 06:07
by: IPN |
Help with quinoline synthesis
Well, to my amazement the Raney nickel did the job in the microwave reactor. A 50% yield was obtaine ... |
28-7-2011 at 06:28
by: IPN |
Transfer hydrogenation
It would make it easier to answer your question if you told us what type of functionality you want t ... |
22-7-2011 at 08:49
by: IPN |
Help with quinoline synthesis
Yeah I used +2eq DIBAL for the nitrile in both THF and DCM, neither showed any reduction products. T ... |
21-7-2011 at 06:13
by: IPN |
Steam distillation of aniline.
From Purification of Laboratory Chemicals, 6th Ed.
[quote]
Aniline [62-53-3] M 93.1, f -6.0o, ... |
16-7-2011 at 03:53
by: IPN |
Steam distillation of aniline.
I never bothered with the steam distillation when preparing aniline from nitrobenzene but this was m ... |
16-7-2011 at 03:20
by: IPN |
Help with quinoline synthesis
So the DMSO oxidation was tried out but unfortunately no aldehyde was found in the extracts after wo ... |
16-7-2011 at 03:15
by: IPN |
Help with quinoline synthesis
Thank you fledarmus! The article isn't available to me online, but I'll be sure to check it on monda ... |
24-6-2011 at 13:36
by: IPN |
Help with quinoline synthesis
Thank you ScienceSquirrel for the reference! The Duff reaction was tried out, but although it did gi ... |
24-6-2011 at 10:25
by: IPN |
Asymmetric Etherification of 1,4-dihydroxybenzene
I'm currently running a veratraldehyde synthesis using the MeBr method that PainKilla described in o ... |
24-6-2011 at 09:00
by: IPN |
N-demethylation of 3° amines
A simple google search resulted in a lot of hits for selective demethylation of amines. I attached o ... |
24-6-2011 at 06:37
by: IPN |
What you take pride in...
I see others like their soxhlets too.
I take extra pride in mine. 
2l flask for compariso ... |
24-6-2011 at 06:05
by: IPN |
Help with quinoline synthesis
We have been puzzled by a synthesis problem for a while now where our target molecule is a 4-hydroxy ... |
1-6-2011 at 12:32
by: IPN |
Make Potassium (from versuchschemie.de)
The article of interest from the J. Agric. Food Chem. is in the attachment. Hope you find it useful. ... |
26-2-2011 at 01:06
by: IPN |
3,4-dihydroxy-5-methoxybenzaldehyde synthesis
If that synthesis with copper (I) bromide catalyst is one of those NaOMe substitution reactions then ... |
17-10-2010 at 07:52
by: IPN |
measuring concentrations of iron and manganese without spec.
Complexometric Titrations by Schwarzenbach and Flaschka gives several references to the determinatio ... |
8-3-2010 at 05:28
by: IPN |
measuring concentrations of iron and manganese without spec.
In the lack of instruments for spectrometric determinations there are always the titrimetric (comple ... |
8-3-2010 at 02:34
by: IPN |
Production of ferrous chloride
Boiling the FeCl2 solution down while keeping pieces of iron in the solution should prevent oxidatio ... |
19-2-2010 at 01:27
by: IPN |
Benzoquinone from Paracetamol
Well if you would have read the thread you would know that for some, hydroquinone is not that easily ... |
13-2-2010 at 10:39
by: IPN |
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