Search |
[Next Page] |
Synthesis of oxiracetam Distill it over some dessicant, like Na or Na/benzophenone ketyl. Simple distillation will not dry ... |
13-9-2008 at 06:24 by: Klute |
Suitable Surfactant Recommendation A few % high alcohol, like n-octanol might do the trick? I know it commonly used to reduce foaming, ... |
12-9-2008 at 06:44 by: Klute |
Dehydrogenation of Cyclohexane And that would be a very expensive way to benzene ![:)](./images/smilies/smile.gif)
Start from benzoic acid! |
12-9-2008 at 05:29 by: Klute |
Synthesis of oxiracetam DMF is good because it turns your anion more nucleophilic.
You mighy want to distill your dioxane ... |
12-9-2008 at 05:28 by: Klute |
DCM or Et2O? Nah, such hydrocarbons are too non-poalr for an efefctive extraction, except for really non-polar co ... |
12-9-2008 at 04:54 by: Klute |
Synthesis of oxiracetam DMF is a very good solvent for alkylations as it solvates the counter ion of the anion to somepoint, ... |
12-9-2008 at 04:50 by: Klute |
DCM or Et2O? Well, seeing the conditions required to methylenated very nucleophilic phenolates, I doubt any pepti ... |
12-9-2008 at 04:41 by: Klute |
Synthesis of oxiracetam Did you preform the enolate, or directly add all 3 reagents?
Maybe you could try using DMF as a sol ... |
11-9-2008 at 17:16 by: Klute |
ester project I have a few papers on the bayer villiger oxidation of chalcones and aliphatic ketones, but most of ... |
11-9-2008 at 10:59 by: Klute |
Synthesis of oxiracetam What solvent, temperature and reaction times did you use? We can't help without any details....
W ... |
11-9-2008 at 07:42 by: Klute |
DCM or Et2O? I have already seen AcOEt been used in biphasic systems with NaOCl. But depending on the reaction ti ... |
10-9-2008 at 22:22 by: Klute |
Drying Oxalic Acid Dihydrate to Anhydrous For how long? At which temps? Indeed it would be much more simple, but at low temps it might be tool ... |
10-9-2008 at 05:05 by: Klute |
Best Ether for Grignard? Steric hindrance I suppose, the carbocation will prefer reacting intra-molecularily than with anothe ... |
9-9-2008 at 14:37 by: Klute |
Drying Oxalic Acid Dihydrate to Anhydrous Of course not I just thought you hadn't seen it (which was the case apparently).
I choose pet eth ... |
9-9-2008 at 14:32 by: Klute |
Drying Oxalic Acid Dihydrate to Anhydrous I have started a thread on the subject, where I relate the use of light pet ether in a Dean Stark to ... |
9-9-2008 at 08:27 by: Klute |
ester project Here is the prep of benzyl benzoate from Org. Synthese (the book):
[b]BENZYL BENZOATE[/b]
2 C6 ... |
9-9-2008 at 06:45 by: Klute |
Best Ether for Grignard? As long as you haev a little bisulfite or FeSO4 at hand, it's not aproblem.. regularily test with st ... |
8-9-2008 at 21:46 by: Klute |
"dry" acetone I routinely use K2CO3 for drying and distilling acetone with good results. Anhydrous Na2CO3 should d ... |
8-9-2008 at 21:38 by: Klute |
Diethylamine Synthesis There could be lots of polymerisation, condensation and other reactions going on at RT. Your DEET mi ... |
8-9-2008 at 21:26 by: Klute |
Alpha-hydroxy acid from alpha-aminoacid Yes, i think amino acids diazotize well enough. There was a preparation of 2-bromo/chloro ethyl prop ... |
8-9-2008 at 12:48 by: Klute |
Diethylamine Synthesis It's the base that needs to be in stoechiometric amount, not the water. This isn't a catalyzed react ... |
8-9-2008 at 12:46 by: Klute |
Making Copper Acetate? Very clever! Looks much more practical that form the oxide and cleaning it.. I will try it out next ... |
8-9-2008 at 11:49 by: Klute |
Making Copper Acetate? If you have acces to nitric acid, it dissolves very easily (recycle the NOx fumes). You can then neu ... |
8-9-2008 at 07:54 by: Klute |
Acetonitrile form Ammonium acetate Acetamide is made by stirring Ethyl acetate and conc. NH3 at RT for a few dasy, until a homogeneous ... |
7-9-2008 at 14:10 by: Klute |
Very old Ethyl Ether I remember certain notes going around about drying THF with KOH being an explosion hazard if peroxid ... |
7-9-2008 at 10:01 by: Klute |
[Next Page] |