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it differences between diglyme and THF in LAH reaction
For acid sensitive groups I usually work up LAH reductions with NH4Cl. Adding sulfate salts (MgSO4, ... |
16-5-2011 at 14:26
by: vulture |
thf and cobalt
[quote]
This is intriguing though because I've used both THF in sureseal bottles, inhibited with BH ... |
16-5-2011 at 14:20
by: vulture |
Stabilization of organic peroxides
Erm, adding ammonium nitrate to AP to [b]stabilize[/b] it?? You do realize that AN is acidic, right? |
16-5-2011 at 14:10
by: vulture |
Stabilization of organic peroxides
[quote]
Never use organic peroxcide as a main charge[/quote]
That doesn't guarantee your safety! ... |
14-5-2011 at 03:50
by: vulture |
thf and cobalt
For LAH reductions or other reactions needing dry THF, the THF is stored under inert gas anyway, so ... |
14-5-2011 at 03:46
by: vulture |
High Purity Cleaning - AKA Do my work for me!
There are procedures out there to make glass surfaces hydrophobic, IIRC it involves treatment with d ... |
8-3-2011 at 11:47
by: vulture |
Bromination of a strongly activated benzene ring
I once p-brominated anisole using NBS, CH2Cl2 and LiClO4/SiO2 dispersion. I was sceptical about this ... |
8-3-2011 at 11:44
by: vulture |
tailing tlc (nitration product)
[quote]
Can't you crystallize it? It should be solid.[/quote]
I am speculating that it is actual ... |
8-3-2011 at 11:40
by: vulture |
High Purity Cleaning - AKA Do my work for me!
I would say something like that is close to impossible with soda-lime glass, given the mobility of s ... |
8-3-2011 at 11:38
by: vulture |
Dystopian, Kafkaesque Nightmare???
http://www.youtube.com/watch?v=mxXlDyTD7wo&feature=related
Maybe this can provide some relief ... |
7-3-2011 at 14:52
by: vulture |
tailing tlc (nitration product)
Please take care of your posts when asking questions, clarity is important.
Did you perform TLC o ... |
7-3-2011 at 14:44
by: vulture |
Heating Flammables in Test Tubes
Test tube "explosions" are often mislabeled as such when in reality structural failure through therm ... |
6-3-2011 at 07:38
by: vulture |
Protecting phenols in a grignard reaction
I don't know what the intended use of your Grignard is, but you could methylate the phenol, then rem ... |
23-2-2011 at 15:09
by: vulture |
Starch acetate synthesis / buy
I'm severely bothered by your extremely lazy attitude, you start two threads asking other people to ... |
20-2-2011 at 14:47
by: vulture |
A slightly different need for dry THF
Okay, so I assume you have access to Na/Benzophenone? In that case you could check the dryness by ma ... |
20-2-2011 at 14:37
by: vulture |
NMR database?
If you have access to scifinder, that's the easiest way to go. Wiley also offers a NMR database. If ... |
20-2-2011 at 14:31
by: vulture |
A slightly different need for dry THF
I'm not really sure what you're hoping to achieve by bubbling nitrogen through your THF? Are you fam ... |
20-2-2011 at 13:34
by: vulture |
How to dry various solvents
It really depends on what your definition of "dry" is. Ether dried over CaCl2 will still contain a d ... |
19-2-2011 at 03:57
by: vulture |
KOH + Mg turnings => potassium metal ?
Please continue the discussion in the aforementioned thread.
|
15-2-2011 at 14:47
by: vulture |
The short questions thread (3)
[quote]
One time I heated a small pile of ammonium nitrate, potassium dichromate and either alumi ... |
13-2-2011 at 15:07
by: vulture |
Methylation of phenols
[quote]
To me Me2S does not smell terribly bad (nearly not as bad as mercaptans),[/quote]
Whoa N ... |
13-2-2011 at 14:21
by: vulture |
LED Dangers - Unbelievable Paranoia!
Vogelzang, your behavior is starting to look like If_6_was_9's from some time ago, that is posting b ... |
12-2-2011 at 16:09
by: vulture |
Methylation of phenols
Translation:
[i]To 234g (3 mol) of DMSO in a stirred vessel with a reflux cooler, 40g (0.025 mol0 ... |
12-2-2011 at 15:47
by: vulture |
NO2 ventilation in HNO3 distillation
Please use correct chemical notation: it's HNO3 and NO2. Writing it like you do makes you look like ... |
12-2-2011 at 15:30
by: vulture |
Someone said get Naphthalene mothballs if I find them!!!......
Search before posting:
http://www.sciencemadness.org/talk/viewthread.php?tid=4752#pid53856
Als ... |
12-2-2011 at 14:35
by: vulture |
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