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Alkoxide formation - Sodium hydride vs Sodium metal
Well, I've lost the ability to edit my last post.
There is another question to be addressed. Can ... |
6-3-2016 at 16:05
by: zed |
Alkoxide formation - Sodium hydride vs Sodium metal
Again, some lab manuals may make Na-Alkoxides with Sodium Metal, but many folks here would use safer ... |
3-3-2016 at 16:12
by: zed |
Grignard successes and failures
"I've made a lot of phMgBr over the years and never had a problem starting the reaction. It's always ... |
26-2-2016 at 17:53
by: zed |
Alkoxide formation - Sodium hydride vs Sodium metal
The kids in my neighborhood, don't make alkoxides that way. |
26-2-2016 at 17:50
by: zed |
Toluene in Washington
Well, you can buy it just a few miles away in Oregon. Leastwise, you could a few years ago.
Gott ... |
23-2-2016 at 16:55
by: zed |
Grignard successes and failures
Yet, these reactions generally proceed well, without extraordinary measures to protect against atmos ... |
23-2-2016 at 16:47
by: zed |
Grignard successes and failures
If the literature suggests using elemental Lithium, try it.
In these matters, Lithium, Sodium, an ... |
22-2-2016 at 14:33
by: zed |
Getting aq. solutions of inert metals without killing myself
Neat Silver chemistry? Well, Muriatic Acid isn't your friend.
Silver Chloride is pretty insolubl ... |
20-2-2016 at 16:29
by: zed |
Grignard successes and failures
Well, the few times I have run Grignards, I used granular Mg. Not really a powder. More like the t ... |
19-2-2016 at 15:38
by: zed |
Flesh rotting
http://medical-dictionary.thefreedictionary.com/white+clot+syndrome |
19-2-2016 at 14:46
by: zed |
Crucible Materials
Graphite with oxidizing reagents? Expect fire. |
18-2-2016 at 14:43
by: zed |
Help: Poor rotary vane pump performance.
Seal all of the seams and cracks and connectors with shellac or whatnot. Just crank it up, and brus ... |
18-2-2016 at 14:33
by: zed |
Heptane as a Grignard solvent
The organo-metallic reagent is complexed with the Ether present. No ether; no Grignard!
It is a ... |
17-2-2016 at 16:20
by: zed |
Hairline Cracks / Scratches in Borosilicate Flasks
Scratches are OK.. But, monitor the situation.
Real cracks are an ever-present menace. You real ... |
16-2-2016 at 19:50
by: zed |
Ketones to Alcohols?
Well, the fact that the OP wanted to convert Acetone to 2-Propanol doesn't help. Kinda swimming aga ... |
16-2-2016 at 19:36
by: zed |
Amide vs ester selectivity
Amide? Maybe. There is a certain possibility of aziridine type formation via dehydration.
A pur ... |
16-2-2016 at 19:19
by: zed |
Ketones to Alcohols?
Ketones are not easily reduced. Even more recalcitrant are Carboxylic acids and Amides.
NaBH4 i ... |
14-2-2016 at 16:40
by: zed |
Pyrimethamine Synthesis?
Might be better routes, but I have read of Benzaldehydes being reduced to BenzylAlcohols, in Quantat ... |
13-2-2016 at 14:12
by: zed |
Thionyl chloride
A problem I have had. If you cannot vacuum distill it, and you don't have a seed crystal, like Hone ... |
12-2-2016 at 15:51
by: zed |
Dry Distillation Apparatus
Yeah. Seems like I recall supplying a chem experiment where the student were to fractionally disti ... |
12-2-2016 at 15:27
by: zed |
High Temperature Stoppers
High temperature stoppers? Not, I fear, for the temperatures you contemplate.
As I recall, long ... |
12-2-2016 at 15:09
by: zed |
Oxidation of styrene to phenylacetaldehyde
http://www.google.com/patents/US7582750
Oh, the above paper? About a page or two in, they cut ... |
12-2-2016 at 14:47
by: zed |
Oxidation of styrene to phenylacetaldehyde
And then, there are modifications of the Wacker.
Looks interesting, maybe Iĺl finish reading it ... |
11-2-2016 at 16:50
by: zed |
4-anilino-N-phenethylpiperidine 2-furanamide
Don't like the idea of using dogs in drug trials. Foremost, they aren't very much like us. Moreove ... |
11-2-2016 at 15:06
by: zed |
4-anilino-N-phenethylpiperidine 2-furanamide
Ahh. I was cut off.
I meant to say: " I don't suppose it would be hard to get certain prisoners ... |
10-2-2016 at 15:04
by: zed |
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