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a few questions...
[quote][i]Originally posted by rogue chemist[/i]
second: It looses it optical activity because a SN ... |
27-4-2006 at 21:57
by: turd |
H3PO4
Of course you can crystallise dry phosphoric acid. A procedure for dry phosphoric acid is given in I ... |
27-4-2006 at 10:30
by: turd |
a few questions...
[quote]Think SN1.[/quote]
So what? Would it change anything if it was SN2? |
26-4-2006 at 21:55
by: turd |
Chloromethylation vs. formylation
[quote]3,4-dimethoxy-benzylchloride
(CH3O)2-C6H4CH2Cl
-->
(CH2Br)2-C6H4CHBrCl [/quote]
I'm ... |
24-4-2006 at 13:31
by: turd |
Chloromethylation vs. formylation
Damn.
I tried the chloromethylation procedure given in Organikum with hydroquinone dimethyl ether ... |
23-4-2006 at 02:39
by: turd |
Nicotine
[quote][i]Originally posted by =SkyNET=[/i]
Can anyone provide a synthesis of nicotine? Preferably ... |
21-4-2006 at 15:07
by: turd |
Chloromethylation vs. formylation
Thanks everybody, this thread was most insightful.
Suddenly Gattermann doesn't sound all that bad ... |
18-4-2006 at 13:20
by: turd |
Chloromethylation vs. formylation
Hi,
unfortunately I only have the ether of a phenol, not an ether [b]and[/b] a phenol. And no POC ... |
17-4-2006 at 05:31
by: turd |
Chloromethylation vs. formylation
Hello everyone,
which route do you think is better for making a beta-phenethylamine out of a phen ... |
17-4-2006 at 02:33
by: turd |
GRIM - Grignard Metathesis
SET. If you want to be cool, you have to call it SET.  |
2-4-2006 at 12:58
by: turd |
3-phenyl-1,1,1-triflouroacetone
The C-F bond is one of the strongest bonds you will find in organic chemistry. Good luck in breaking ... |
1-4-2006 at 12:37
by: turd |
GRIM - Grignard Metathesis
Who cares, as long as it works?
http://www.scs.uiuc.edu/denmark/presentations/2005/gm-2005-03_ ... |
1-4-2006 at 05:30
by: turd |
BzMgCl + MeCN, what did I get?
A 1H-NMR of the yellow powder has a multiplet at >7ppm (weight 1.0), a sharp singlet at 2.9ppm (w ... |
23-3-2006 at 15:04
by: turd |
BzMgCl + MeCN, what did I get?
Thanks, garage chemist!
I hadn't realised that Wurtz-coupling would be an issue with Mg-compounds ... |
20-3-2006 at 14:12
by: turd |
BzMgCl + MeCN, what did I get?
[quote][i]Originally posted by solo[/i]
Most likely a mixture of Benzyl chloride + Benzyl cyaninde ... |
20-3-2006 at 09:18
by: turd |
BzMgCl + MeCN, what did I get?
I reacted benzyl magnesium chloride and acetonitrile (molar ratio 1:10) in THF for 24h at reflux (fo ... |
19-3-2006 at 08:13
by: turd |
"dry" acetone
From "Purification of Laboratory Chemicals":
[b]It can be dried with anhydrous CaSO4, K2CO3 or ty ... |
18-3-2006 at 00:18
by: turd |
A NMR difficulty
Oh, there's nothing wrong with TMS, it's just that you don't use it anymore (or so I thought). Nowad ... |
14-3-2006 at 13:37
by: turd |
A NMR difficulty
How do you know it's CW? From the poor resolution? |
14-3-2006 at 12:38
by: turd |
Al/Hg celite HgCl2 question
[quote]Following a P2P, Al/Hg with MeOH reaction, I want to filter straight out of the flask using d ... |
14-3-2006 at 12:28
by: turd |
barium hydroxide [Ba(OH)2]
[quote]A solution of Ba(OH)2 becomes turbid in air in a matter of minutes, due to CO2 being absorbed ... |
13-3-2006 at 10:46
by: turd |
A NMR difficulty
[quote]There is an offset peak by 6ppm, add that to its position and get 9.75ppm, or nigh on exactly ... |
13-3-2006 at 10:39
by: turd |
A NMR difficulty
[quote]Thanks so much for that link, it appears to be heptanal now...[/quote]
In heptanal you hav ... |
12-3-2006 at 12:53
by: turd |
A NMR difficulty
Whoa, what kind of stone-age NMR is that? Are you still using TMS as reference? Scary.
Anyway, it ... |
12-3-2006 at 00:44
by: turd |
Preparation of HgSO4
[quote][i]Originally posted by Flip[/i]
Now here's something interesting...
My CRC Handbook of C ... |
5-3-2006 at 10:23
by: turd |
