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Acetonitrile form Ammonium acetate
I think you woul dbetter be off making acetamide from ethyl acetate and conc. NH3 for a few days, gi ...
7-9-2008 at 09:31
by: Klute
Diethylamine Synthesis
That's actually a very good idea Zed!

Basicly, you are forming acetamide in-situ, and alkylating ...
7-9-2008 at 05:25
by: Klute
Very old Ethyl Ether
Well, the amount of precipitate formed when adding KOH to THF is pretty large compared to the <5p ...
6-9-2008 at 18:42
by: Klute
Very old Ethyl Ether
No, no definitively from the KOH as it forms over an hour or so and the glass (Duran bottles) is int ...
6-9-2008 at 17:59
by: Klute
quick safety question regarding Acetic anhydride
In a former thread...

http://www.sciencemadness.org/talk/viewthread.php?tid=10799&page=1#pid ...
6-9-2008 at 16:06
by: Klute
quick safety question regarding Acetic anhydride
I would venture it to be some kind of di-hydroxylated alkaoid...


Conducter, before considering ...
6-9-2008 at 15:28
by: Klute
Very old Ethyl Ether
I personally keep my recycled ethers (THF mainly) over a few Cu shots and with a dash of hydroquinon ...
6-9-2008 at 15:11
by: Klute
Very old Ethyl Ether
I should think FeSO4 would be perfectly suitable, bisulfite is another option too.
6-9-2008 at 12:58
by: Klute
quick safety question regarding Acetic anhydride
A acetylation reaction in a metal plate covered by aluminium? Hardly sounds like aspirin synthesis.. ...
6-9-2008 at 05:27
by: Klute
Preparation of Acyl Chlorides: TCT Redux
I know that anhydrous oxalic acid is very soluble in alcohols like Meoh, IPA, EtOH, etc, somewhat so ...
6-9-2008 at 05:19
by: Klute
ester project
You could make ethyl acetoacetate. It's an ester, has a faint but nice fruity smell, and is a pretty ...
5-9-2008 at 17:15
by: Klute
Desiccating a solid
[quote]
And klute i would use evian water, in the smallest bottles available, air freighted to aust ...
5-9-2008 at 13:37
by: Klute
reductive amination with triacetoxyborohydride
This looks like a much better approach than adding the hydride to solvents: you hydride it entirely ...
5-9-2008 at 09:09
by: Klute
reductive amination with triacetoxyborohydride
Good idea. My NaBH4 is already pretty finely divided, although it does cake up a little in the origi ...
5-9-2008 at 08:41
by: Klute
Desiccating a solid
Good point. Also, there will surely be some losses from small particules flying off.

I considered ...
5-9-2008 at 08:16
by: Klute
reductive amination with triacetoxyborohydride
Here is the original procedure, where they use a borane -t-BuNH2 complex as hydride:

[quote]
[u] ...
5-9-2008 at 07:54
by: Klute
Desiccating a solid
Well, when you use a hair dryer to dry a TLC plate fro example, you are only using dry air like you ...
4-9-2008 at 19:23
by: Klute
reductive amination with triacetoxyborohydride
Here goes:


- The setup (oven dried, cooled under Ar)
[IMG]http://img.photobucket.com/albums/v6 ...
4-9-2008 at 17:25
by: Klute
reductive amination with triacetoxyborohydride
On a side note, production of borane from various Lewis acids, for amide reductions (Kindly found by ...
4-9-2008 at 08:42
by: Klute
4-methoxyphenol purification
Bravo!

Did you get any cristn inside the condenser when distilling? At which temp did it pass? I ...
3-9-2008 at 15:53
by: Klute
reductive amination with triacetoxyborohydride
That's a pretty impressive and promising paper!

Considering the aq. solution, it would seem that ...
3-9-2008 at 15:48
by: Klute
reductive amination with triacetoxyborohydride
I have run a STAB reduction, preforming it in situ by adding NaBH4 to 10x molar GAA, follwing a proc ...
3-9-2008 at 06:28
by: Klute
Palladium on charcoal Nope question
You can use NaBH4 IIRC to reduce the salts to metal, but if you can't get formaldehyde..

In the p ...
3-9-2008 at 06:06
by: Klute
Separation of thiols and ketones
Don't got throwing lead salts on to people now :)

So you extarct rotten fish and garbage with MEK ...
3-9-2008 at 05:57
by: Klute
easy iodine/hydroiodic acid from iodoform
Thank you for pointing that out!
3-9-2008 at 05:54
by: Klute
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