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Ethyl centralite synthesis
Oh I'm jealous of those 3 DVDs  |
12-8-2008 at 05:10
by: Klute |
Reactivity amide
Do you mean may a primary amide be alkylated by an alkyl halide?
yes, it can. Depending on the am ... |
11-8-2008 at 17:50
by: Klute |
Proposed novel 6-step syntheis of 5-MeO-4-AcO-DMT
I'm very surprised. I was sure LAH reduction of aryl sulfonates caused complete deoxygenation to the ... |
11-8-2008 at 16:33
by: Klute |
Expediglass got some sweet 1L 4 neck flasks for $51
I have got similar 250 mL RBF, the 4th vertical neck is designed to fit in a thermometer (threaded j ... |
11-8-2008 at 13:00
by: Klute |
Preparation of methyl tosylate, safe methylating agent
No, no, trimethyl phosphate, (CH3O)3PO. Indeed, the phosphites are also alkylating agents, but also ... |
11-8-2008 at 12:58
by: Klute |
Preparation of methyl tosylate, safe methylating agent
The most routinely used methylating agents, namely dimethyl sulfate (DMS) and methyl iodide (MeI), p ... |
11-8-2008 at 04:32
by: Klute |
HOOC-COOH + SOCl2 -> ClOC-COCl ?
Maybe an equivalent like perborate or persulfate could work, as a finely dispersed solid? It could r ... |
11-8-2008 at 04:28
by: Klute |
Toxicity of phosgene
Can't benzyl chloroformate be prepared in-situ from benzyl chloride and carbon monoxide? Granted, ha ... |
10-8-2008 at 11:06
by: Klute |
Chloroform synth disaster; Help Remediate
Be sure to destroy any calcium hypochlorite before discarding it, even after a week or so in the sun ... |
10-8-2008 at 10:59
by: Klute |
Laundry detergent?
I don't think that comment was adressed to you ScienceSquirrel, although I obviously can't speak i n ... |
10-8-2008 at 05:42
by: Klute |
Palladium on charcoal Nope question
Totally agreed, copper seems like a very promising candidate too. Ni oftenr equires high temp and ... |
9-8-2008 at 10:28
by: Klute |
Laundry detergent?
But does the question(s?) have anythign to do with the thread subject? Birch and laundry detergents? |
9-8-2008 at 10:26
by: Klute |
HOOC-COOH + SOCl2 -> ClOC-COCl ?
Per, considering the high molecular weight of PCl5 and the small mw of H2O, your oxalic acid might h ... |
9-8-2008 at 10:23
by: Klute |
Eugenol Demethylation, revisted.
I don't think we should dismiss this kind of discussion simply because it cna be used to form a prec ... |
9-8-2008 at 10:09
by: Klute |
Palladium on charcoal Nope question
Have a look at US 3,214,385 for details on properly re-activating Pd/C for extended re-use (up to 20 ... |
6-8-2008 at 15:44
by: Klute |
Oxidation of phenethylamine to (2-nitroethyl)benzene
An oxide, presumally. hindered secondary amines can form stable nitrosyl radicals (2,2,6,6-tetramet ... |
6-8-2008 at 15:39
by: Klute |
Ethyl centralite synthesis
Beleive him, even properly trained, experienced and well equipped chemist are reluctant at using pho ... |
6-8-2008 at 15:38
by: Klute |
Proposed novel 6-step syntheis of 5-MeO-4-AcO-DMT
I would rather go through the sulfonate, I'm pretty sure the benzyl ether will get removed by LAH, a ... |
6-8-2008 at 15:32
by: Klute |
Palladium on charcoal Nope question
Why go by PdCL? Dilter the catalyst off, wash it well with a solvent, 10% NaOh, water, dry and re-u ... |
6-8-2008 at 09:58
by: Klute |
Problem with monomethylation of amines.....
Well, I have news.
The CTH methylation, basicly the freifelder procedure but adding potassium for ... |
6-8-2008 at 06:29
by: Klute |
Drying oxalic acid
A 3H reflux with pet ether (50-65°C) with a dean stark was enough to completly dry the oxalic acid, ... |
5-8-2008 at 16:06
by: Klute |
How to set up a controlled drip.
You can reduce the flow of an addition funnel stopcock by placing a small fine glass rod in the addi ... |
5-8-2008 at 15:17
by: Klute |
How to set up a controlled drip.
.... a addition funnel?
For very precise additions or larger scales, volumetric pumps can be use ... |
4-8-2008 at 16:45
by: Klute |
Crystallization woes
I would try to remove a little less DCM, and then very slowly add the hexane in a fine, continous s ... |
4-8-2008 at 15:58
by: Klute |
Glassware questions
I've always been using 19/26 at works, and have found it to be the ideal size for the scale of react ... |
3-8-2008 at 16:12
by: Klute |
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