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What exactly is the mechanism by which catechols are methylenated? Why does the methylenedioxy group rotate?
4-methyl-benzo-1,3-dioxole, 4-methyl-1,3-benzodioxole and 3,4-methylenedioxytoluene are all names fo ... |
19-12-2013 at 21:11
by: Crowfjord |
What exactly is the mechanism by which catechols are methylenated? Why does the methylenedioxy group rotate?
Oh, I see now. Didn't see that PDF the first time around. That is odd. I'm pretty sure the authors j ... |
19-12-2013 at 20:36
by: Crowfjord |
What exactly is the mechanism by which catechols are methylenated? Why does the methylenedioxy group rotate?
I am a little confused. All I see in those links are structures and properties. Where does it say, f ... |
19-12-2013 at 19:52
by: Crowfjord |
What exactly is the mechanism by which catechols are methylenated? Why does the methylenedioxy group rotate?
You must be mistaken about this "rotation." This would be a rearrangement, and in these circumstance ... |
19-12-2013 at 19:15
by: Crowfjord |
Acetic anhydride preparation
If I recall correctly, attempts failed using phosphorus pentoxide, which just gave char. Not sure if ... |
17-12-2013 at 18:06
by: Crowfjord |
Buffer for redox sensitive reduced glutathione
My guess is yes. I did some cyclic voltammetry experiments with glutathione in sodium phosphate buff ... |
17-12-2013 at 15:08
by: Crowfjord |
Arecoline extraction
It's interesting that they do it that way. I wonder why they handled the fat manually rather than ac ... |
16-12-2013 at 17:06
by: Crowfjord |
Arecoline extraction
Nice. It would be interesting to do a TLC on the freebase extract. I suspect there may also be a sma ... |
11-12-2013 at 14:11
by: Crowfjord |
Chem Help!
Start by calculating moles of ethanol reacted. It's super simple math from there. |
4-12-2013 at 20:22
by: Crowfjord |
CHem Help
Really? Your class didn't go over this stuff? Pretty important concepts, there.
Generally, like ... |
4-12-2013 at 19:18
by: Crowfjord |
Best and worst smelling chemicals?
Triphenylphosphine is pretty darn terrible. It's like getting punched in the nose by a fist full of ... |
24-11-2013 at 16:21
by: Crowfjord |
Reacting NaOH(aq) with Al(s)
The black stuff is probably silicon (along with other metals). I get it a lot at work when I digest ... |
23-11-2013 at 17:05
by: Crowfjord |
grignard reaction
Whoops, my mistake! I was thinking of reaction with oxygen for some reason... |
17-11-2013 at 20:26
by: Crowfjord |
grignard reaction
@deltaH: magnesium reacts with alcohols to give the alcoxide, i.e., it reduces the hydroxyl hydrogen ... |
17-11-2013 at 19:01
by: Crowfjord |
crystallizationof organic cmpds
That is really neat! Don't know why I hadn't thought/heard of it before, either. I'll have to give i ... |
15-11-2013 at 13:05
by: Crowfjord |
...the decline of classroom chemistry...
That is fantastic! I got a chemistry set when I was ten years old, but there weren't any chemicals i ... |
15-11-2013 at 13:03
by: Crowfjord |
Acetic anhydride preparation
Yes, that method (anhydride from acetate and acetyl chloride) has been discussed to death. It has al ... |
14-11-2013 at 18:50
by: Crowfjord |
Dehydrating sodium carbonate
Drying in an oven is fine. And it should fizz vigorously when acid is added (carbon dioxide evolved) ... |
13-11-2013 at 22:27
by: Crowfjord |
Thermal decarboxylation
Cadaverine (1,4-diaminopentane) can be cyclized to piperidine by pyrolysis. It's a free-radical reac ... |
8-11-2013 at 11:25
by: Crowfjord |
Gravity to electrical energy?
When you think about it, the sun (and other stars) can be seen as the ultimate source of all energy ... |
7-11-2013 at 20:22
by: Crowfjord |
Inexpensive synthesis of Ferric Chloride
You would have solution of Fe[sup]3+[/sup] and Cl[sup]-[/sup] in aqueous solution. If you boiled it ... |
3-11-2013 at 17:56
by: Crowfjord |
Benzoic Acid, Carbamid>Benzamid>Anilin?
Aniline is water soluble according to Wikipedia (3.6g/mL). Maybe it is too dilute to have a noticeab ... |
31-10-2013 at 09:47
by: Crowfjord |
Benzoic Acid, Carbamid>Benzamid>Anilin?
Have you smelled it? Aniline is some stinky stuff (typical fishy amine odor). That would be a good i ... |
30-10-2013 at 16:03
by: Crowfjord |
Graduate School?
Check out the research being done at your prospective schools and see what fits you best. Also, don' ... |
7-10-2013 at 17:21
by: Crowfjord |
Using CO2 gas for grignard reaction instead of dry ice?
When using gas, you would also want to remove oxygen somehow, as it would also react with the organo ... |
7-10-2013 at 09:52
by: Crowfjord |
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