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Methylation of phenolic aldehydes with MeI in DMF: 2-methoxybenzaldehyde Splendid! Beautifull! Very impressive work!
This realyl is an advance in safe, practical alkylati ... |
27-9-2008 at 10:31 by: Klute |
HCl via vitriole + NaCl Indeed, just like ScienceSquireel said, it was common enough to haev a specific verb... Unfortuanl ... |
26-9-2008 at 20:30 by: Klute |
The short questions thread (1) Funny, because I have nearly always seen these kind of seperating funnels, and wondered what the poi ... |
26-9-2008 at 20:25 by: Klute |
Drying Oxalic Acid Dihydrate to Anhydrous Nice! thanks for the report... I think I will try this with a hotplate next time, and see if its ... |
26-9-2008 at 20:16 by: Klute |
Common accidents in the lab and how to avoid them I should use those PP hand pumps for gasoline to empty large containers of corrosives or toxics. The ... |
26-9-2008 at 02:43 by: Klute |
HCl via vitriole + NaCl I'm also convinced Vitriol refers to sulfuric acid, which would make sense. In france, we even have ... |
26-9-2008 at 02:34 by: Klute |
methylenedioxybenzyl chloride + sommelet? Good point.
The yields of piperonyl chloride from chloromethylations are very impressive. PainKil ... |
26-9-2008 at 02:31 by: Klute |
DCM or Et2O? You would need truely large amoutn sof solvents.... It can be used to selectivly extract some aldeh ... |
26-9-2008 at 02:27 by: Klute |
methylenedioxybenzyl chloride + sommelet? Refluxing in somewhat conc. HCl might damage the methylendioxy bridge though... So better use more ... |
25-9-2008 at 08:18 by: Klute |
Alchohol in alchohol burner? I would go with the denaturated ethanol, as it is produced mainly for combustion... It doesn't smel ... |
24-9-2008 at 14:00 by: Klute |
Drying Oxalic Acid Dihydrate to Anhydrous Deviating a bit, but I suppose you made it from red P and Cl2? Do you do 25g batches, or more? this ... |
24-9-2008 at 13:48 by: Klute |
The short questions thread (1) Refluxing sodium ethoxide and ethyl acetate will get you ethyl acetoacetate... Not a recommended so ... |
24-9-2008 at 10:30 by: Klute |
Drying Oxalic Acid Dihydrate to Anhydrous It's strange CCl4 requires really long distn times... With pet ether, the theoretic amount of water ... |
24-9-2008 at 10:25 by: Klute |
sulfonylchloride to thiol Are you 100% sure you have the sulfonyl halide and not part sulfonic acid? Notsure what the reductio ... |
24-9-2008 at 10:15 by: Klute |
The short questions thread (1) I would go for TEMPO-catalyzed oxidation, with NaOCl or TCCA as a secondary oxidant..... Good yield ... |
23-9-2008 at 21:38 by: Klute |
Synthesis of 3-(p-Hydroxyphenyl)-2-Butanone "raspberry ketone" An update:
After considering the Orgsyn prep Filemon indicated, and the notes in OrgSyn preparati ... |
23-9-2008 at 10:32 by: Klute |
Catalytic Hydrogenation comments...... Preparation of the very active W-6 Raney Nickel from OrgSyn:
[url=http://orgsynth.org/orgsyn/orgs ... |
22-9-2008 at 03:22 by: Klute |
The short questions thread (1) I think a clemmensen without Hg will only give the alcohol in some case. i remeber seeing something ... |
21-9-2008 at 22:39 by: Klute |
ester project Arg, such a pity I didn't think about it earlier... Too bad, I hope the methyl salicylate goes well ... |
21-9-2008 at 22:35 by: Klute |
Catalytic Hydrogenation comments...... Hum, aromatic nitro compounds are much more easily reduced than aliphatic, or nitrostyrenes under ca ... |
21-9-2008 at 22:28 by: Klute |
ester project DJF90, which preparation are you talking about?
Jor, I don't knwo why this didn't cross my mind b ... |
21-9-2008 at 12:55 by: Klute |
The short questions thread (1) Clemmensen? You prefer working with marge amounts of HgCl2 than NaBH4?
Atmospheric hydrogeantion ... |
21-9-2008 at 06:21 by: Klute |
Common accidents in the lab and how to avoid them ...organics?.. I know it is discussed fairly often, but pirahna should a kind of last-ressort thing ... |
21-9-2008 at 03:59 by: Klute |
PTFE or Glass Stopcocked titration burette? Are you saying your burettes are better than ours? Let's have a titration competition |
21-9-2008 at 03:55 by: Klute |
Test for Bromine vapour. You could directly use commercial iodide-starch paper.
Even better, just trap the effluent with a ... |
21-9-2008 at 03:48 by: Klute |
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