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Methanol --> Formic Acid
Well boiling down dilute sulphuric acid isn't THAT dangerous! To be fair you would only be dealing w ... |
19-5-2009 at 16:37
by: panziandi |
Methanol --> Formic Acid
Yes I fully agree with DJF90, you will likely never get to the end of that 2.5L unless you use it to ... |
19-5-2009 at 13:47
by: panziandi |
Methanol --> Formic Acid
pHzero - Both formaldehyde and formic acid are quite distinct (and much unlike other aldehydes and c ... |
19-5-2009 at 02:22
by: panziandi |
preparation of BrCN
Orlan, I have to agree with Woelen. Cyanogen halides are incredibly nasty to work with, especially a ... |
13-5-2009 at 12:39
by: panziandi |
Disposal of (old) THF Still
I usually use IPA instead of IMS. Its cheaper and I feel safer disposing of waste sodium in that ove ... |
13-5-2009 at 11:21
by: panziandi |
Nicotine
Well you know the structure of Nicotine?
Nicotine has two tert-amine nitrogens.
Nitrogens in ... |
6-5-2009 at 15:47
by: panziandi |
Gas masks
Actually I have been tempted to get one for exactly that reason, thanks for letting me know they are ... |
4-5-2009 at 13:13
by: panziandi |
Synthesis of L-Phenylacetylcarbinol(L-PAC)
Lab grade reagents are rarely anhydrous. You should always dry any reagent grades, especially older ... |
3-5-2009 at 05:33
by: panziandi |
Synthesis of L-Phenylacetylcarbinol(L-PAC)
Well... it's one less step, avoids having to work up and isolate an intermediate if it's possible to ... |
1-5-2009 at 05:22
by: panziandi |
Synthesis of L-Phenylacetylcarbinol(L-PAC)
To avoid any mishaps, could you not make the nBuMgCl then add SnCl4 to prepare the nBu3SnCl then add ... |
1-5-2009 at 03:24
by: panziandi |
Synthesis of L-Phenylacetylcarbinol(L-PAC)
Hector:
Grignards and organolithiums are on one level
Trialkylaluminiums are a whole different ... |
30-4-2009 at 16:35
by: panziandi |
Sodium Hyponitrite
No indeed as I mentioned furher up N2O isn't considered a true anhydride since you can not form the ... |
29-4-2009 at 15:42
by: panziandi |
Synthesis of L-Phenylacetylcarbinol(L-PAC)
@ Hector: as DJF90 said and as others have said: Your tagline states "Chemistry=Chem+ is+ Try" ... s ... |
29-4-2009 at 14:57
by: panziandi |
Synthesis of L-Phenylacetylcarbinol(L-PAC)
No Sauron guessed earlier too, and I think most contributers have twigged too!
So hector: I thin ... |
29-4-2009 at 12:45
by: panziandi |
Methylation agents
Well the obvious bonus is that dimethyl oxalate is a solid and so easily manipulated as well.
Ye ... |
29-4-2009 at 11:34
by: panziandi |
Methylation agents
Dimethyl oxalate would be interesting. Certainly I see potential there... Dimethyl carbonate can met ... |
29-4-2009 at 10:58
by: panziandi |
Methylation agents
DJF90 i think MeNO3 is questionable  certainly I had a poor experience of this.
Methyl phosphite a ... |
29-4-2009 at 10:48
by: panziandi |
Synthesis of L-Phenylacetylcarbinol(L-PAC)
I have to ask if you are familiar with (organic) chemistry at all?
Mandellic acid is EXACTLY that ... |
29-4-2009 at 09:44
by: panziandi |
Synthesis of L-Phenylacetylcarbinol(L-PAC)
Hector: You only need the -50*C bath for preparing pyruvoyl chloride using the a,a-dichloromethyl me ... |
29-4-2009 at 09:26
by: panziandi |
Synthesis of L-Phenylacetylcarbinol(L-PAC)
But I thought we were talking about 2-hydroxypropionic acid (aka lactic) and chlorinating the OH of ... |
29-4-2009 at 05:03
by: panziandi |
Synthesis of L-Phenylacetylcarbinol(L-PAC)
Hector so you do not have the ability to distil under reduced pressure with ice-salt baths for conde ... |
29-4-2009 at 03:58
by: panziandi |
Synthesis of L-Phenylacetylcarbinol(L-PAC)
Well conventional reagents such as PCl5 would add to the ketone I'd imagine forming gym-dihalides. O ... |
28-4-2009 at 17:06
by: panziandi |
Sodium Hyponitrite
I would imiagine it to be interesting as a ligand. But I would agree with woelen, that some complexe ... |
28-4-2009 at 15:55
by: panziandi |
apparatus to reflux under vacuum?
You'll be hard pushed to find a round bottom flask that has a male cone to fit in the top, a stopper ... |
28-4-2009 at 15:48
by: panziandi |
'splain something to me about matter
Atomic make up.
Take for example radon. It is very dense but is still a gas: It has a full outte ... |
28-4-2009 at 13:12
by: panziandi |
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