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Need help on amino alcohols
Knoevanagel condensation between valeraldehyde (pentanal) and nitroethane will give a nitroalkene wh ... |
1-9-2014 at 11:17
by: DJF90 |
Need help on amino alcohols
If you're not after chirality, perhaps you could add nitroethane to an appropriate acyl(+) synthon. ... |
1-9-2014 at 00:24
by: DJF90 |
Some Time Saving Notes on Ethanol Distillation for Non-Experts
Is aga not capable of interpreting the results themself? This also does not account for any methanol ... |
30-8-2014 at 10:11
by: DJF90 |
Preparation of Acetyl Chloride
Congratulations magpie. You may find a reflux period (ice cold water) with CaCl2 guard tube in place ... |
26-8-2014 at 21:45
by: DJF90 |
Amide handling precautions?
Alkali hydroxides are very strong bases in the absence of water. There are literature reports of NaO ... |
18-8-2014 at 21:37
by: DJF90 |
Amide handling precautions?
You won't be able to isolate the enolates easily/at all. If you want to play with enolate chemistry ... |
17-8-2014 at 23:11
by: DJF90 |
Where to buy glassware and other equipment?
All of it of course. I had considered selling it a while back, but wasn't motivated by the hassle of ... |
17-8-2014 at 03:36
by: DJF90 |
Where to buy glassware and other equipment?
I don't know of anywhere that sells spirit 10/18 thermometers, but QuickFit sell (through usual vend ... |
16-8-2014 at 10:10
by: DJF90 |
UK plans stricter controls on poisons and explosives
It would be nice if they made people aware before/during the consultation phase... and if they did I ... |
11-8-2014 at 23:14
by: DJF90 |
HClO4, less than 70% conc destillation
Congratulations on the methyl salicylate distillation, very satisfying to obtain a pure oil with suc ... |
11-8-2014 at 08:40
by: DJF90 |
Alternate route to dry ethanol
Anhydrous ethanol is best made by distillation from [i]magnesium[/i] |
11-8-2014 at 04:00
by: DJF90 |
Discontinued reagents
It should apply to any quantity. We have to fill out the relevant forms even for a 1L bottle |
8-8-2014 at 10:55
by: DJF90 |
Discontinued reagents
Thionyl chloride is restricted under the chemical weapons convention. You will need an end user decl ... |
8-8-2014 at 08:42
by: DJF90 |
UK plans stricter controls on poisons and explosives
I think anyone who opposes this should comment on the rsc post, particularly those of us in the UK. ... |
7-8-2014 at 21:41
by: DJF90 |
What sort of base is strong enough to deprotonate aldehydes but not ketones?
How about using an enol equivivalent that you can preform from the aldehyde, such as silyl enol ethe ... |
24-3-2014 at 04:01
by: DJF90 |
nitrosylsulfuric acid help again
Brauer has a method where sulfur dioxide is bubbled into fuming nitric acid, and the resultant solid ... |
14-3-2014 at 09:50
by: DJF90 |
Cesium Hydroxide Monohydrate from 50% solution?
You'll need to concentrate your solution in a platinum dish. You may be able to use nickel instead a ... |
27-2-2014 at 23:44
by: DJF90 |
Preparation of Mononitrotoluenes (o-, p-)
I really like that you've documented this as I've been wanting to do this for a long time now. I cou ... |
25-2-2014 at 12:48
by: DJF90 |
Freezing propane
You don't want to be sucking a flammable gas through a vacuum pump, thats just bad practice (and dan ... |
24-2-2014 at 10:53
by: DJF90 |
resin flask for rotovap?
Whats wrong with a glass flask? Those for the large "20L buchis" (taking flasks 5 to 20L in size) ar ... |
24-2-2014 at 10:47
by: DJF90 |
Help: Thermometer bizarrity
You cannot use the thermometer in its current state. There are several ways to fix this, but depends ... |
19-2-2014 at 11:17
by: DJF90 |
vessel shape opinions needed
I suppose the key question is what size do you have in mind, and is the vessel jacketed (and do you ... |
12-2-2014 at 15:04
by: DJF90 |
Distilled water density
Have you considered the calibration of your balance? You say it reads well with a 150g calibration w ... |
12-2-2014 at 14:47
by: DJF90 |
Benzoic Acid, Carbamid>Benzamid>Anilin?
Oxalic acid would probably work just as well as it has a relatively low pKa also (1.24 jumps to mind ... |
8-2-2014 at 03:31
by: DJF90 |
Purification of denatured ethanol
First off, whether you rectify your own mash or commercial denatured alcohol, you'll be breaking the ... |
5-2-2014 at 11:20
by: DJF90 |
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