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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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