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Synthesis of Arecoline - 3 Steps from Nicotinic Acid
Interesting. I didn't search very thoroughly, but it seems dithionite is known for reducing pyridin ...
5-9-2010 at 11:31
by: Arrhenius
Synthesis of Arecoline - 3 Steps from Nicotinic Acid
[rquote=186404&tid=14359&author=Nicodem]...precautions to prevent hydrolysis would have to b ...
2-9-2010 at 23:39
by: Arrhenius
Synthesis of Arecoline - 3 Steps from Nicotinic Acid
[rquote=186350&tid=14359&author=rrkss] I'm jealous that you have an NMR in your house. Wou ...
29-8-2010 at 16:16
by: Arrhenius
Synthesis of Arecoline - 3 Steps from Nicotinic Acid
Haha, thank you Reviewer #1 - I wont' tell you I made the ethyl ester as well. Changes made as note ...
23-8-2010 at 18:54
by: Arrhenius
Synthesis of Arecoline - 3 Steps from Nicotinic Acid
[b]<div style="text-align: center;"><span style="color: Red;">
**Caution! Iodomethane i ...
22-8-2010 at 14:22
by: Arrhenius
help with mechanisms
My advice is try to move beyond [b]F[/b]unctional [b]G[/b]roup [b]I[/b]nterconversions ([b]FGIs[/b]) ...
19-8-2010 at 00:43
by: Arrhenius
1k for new labware, What would you get.
If you like small scale, buy a ~$300-400 microscale kit (14/20 joints). That'll get you a distillat ...
15-8-2010 at 18:38
by: Arrhenius
help with mechanisms
Nicodem: It would technically fall under an aza Cope, not Claisen ;) Regardless: Mundal et al "Trif ...
15-8-2010 at 17:51
by: Arrhenius
help with mechanisms
Here are my answers. In #4, the oxidopyrillium species is a well known in dipolar cycloaddition che ...
15-8-2010 at 14:14
by: Arrhenius
help with mechanisms
Here KMnO4, this one's for you:

[file]11230[/file]

Not a really astonishing one, but I think ...
14-8-2010 at 17:18
by: Arrhenius
help with mechanisms
Haha. I had a feeling folks wouldn't see eye to eye on the importance of mechanism. I absolutely a ...
14-8-2010 at 17:00
by: Arrhenius
help with mechanisms
There is no simple answer as to when a sigma bond will be broken. Certainly we can think that when ...
14-8-2010 at 09:17
by: Arrhenius
help with mechanisms
[b]cheeseandbaloney[/b]: Note that the orbitals I've drawn are SP3 [b]hybrid orbitals[/b], which ar ...
13-8-2010 at 10:39
by: Arrhenius
2-butylamine
No, this won't work, and neither will treating a secondary alcohol with ammonia as suggested by 'Sat ...
13-8-2010 at 00:56
by: Arrhenius
help with mechanisms
If you enjoy pondering or working through organic mechanisms I would suggest buying "The Art of Writ ...
13-8-2010 at 00:45
by: Arrhenius
understanding Cannizzaro
Synthesis is always a matter of relative rates. One can always envision multiple reaction pathways ...
11-7-2010 at 23:24
by: Arrhenius
Diethyl amine turning brown
All amine free bases are sensitive to oxygen, and turn brown over time due to the formation of N-oxi ...
27-6-2010 at 18:34
by: Arrhenius
Ideas needed - Oxiation of acid sensitive asarone to 2,4,5-trimethoxybenzaldehyde
I would not suggest attempting ozonolysis unless you have good laboratory techniques and proper equi ...
21-6-2010 at 23:45
by: Arrhenius
nButyl Malonic Ester
What TBAF are you using? TBAF solution? You need a better PTC, and the reaction needs to be anhydro ...
21-6-2010 at 00:27
by: Arrhenius
aldehyde to amide musings and needed help
Lindgren oxidation followed by coupling reaction with a carbodiimide - 99% over 2 steps. That is by ...
21-6-2010 at 00:12
by: Arrhenius
Ideas needed - Oxiation of acid sensitive asarone to 2,4,5-trimethoxybenzaldehyde
How about epoxidation with your favorite reagent - I'll pick mCPBA. Then hydrolyze to the glycol wi ...
21-6-2010 at 00:02
by: Arrhenius
Henry reaction
[rquote=178882&tid=13898&author=azo] If acidic protons are available (i.e. when R = H), the ...
31-5-2010 at 06:30
by: Arrhenius
Henry reaction
[quote]There is a Chinese paper* from 2007 in which they describe the reaction carried out in water ...
29-5-2010 at 11:04
by: Arrhenius
Henry reaction
Hmm.. "...imidazole as a mild Lewis basic catalyst..." I think these authors are confused, seeing as ...
28-5-2010 at 20:47
by: Arrhenius
Developing new reactions
Ouch.. I'm going to disagree on any formation of 7 and 8 membered ring ethers by Sn2. May be 'allowe ...
11-5-2010 at 06:46
by: Arrhenius
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