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Total Synthesis of Carpanone from Catechol
I was going to suggest SnCl2*2H2O mediated reduction of the nitro group, because it's quick and easy ...
15-11-2009 at 23:17
by: Arrhenius
What reaction mechanisms do this (Alkane to alkene; alkyl halide to alkane)?
alkyl halide -> alkane = sodium amalgam (Na/Hg) amongst others.
15-11-2009 at 20:39
by: Arrhenius
Synthesis from Patents?
This is a well known phenomenon of "alkene transposition" of allyl alcohols when you perform a hydro ...
15-11-2009 at 20:36
by: Arrhenius
changing flasks during vacuum distillation (no cow, etc)?
I've never seen an apparatus implode. Atmospheric pressure (outside flask) just isn't enough to bre ...
15-11-2009 at 12:29
by: Arrhenius
Gas washing bottles with missing tops
Both sound like fine ideas. Polyethylene would last longer. Just put teflon tape to seal it, and dri ...
11-11-2009 at 17:24
by: Arrhenius
Reaction in Thunder in a Testube?
CO2 is the only higher oxidation state of carbon here, so sure, it's possible. Is that what you mean ...
9-11-2009 at 07:55
by: Arrhenius
Reaction in Thunder in a Testube?
I think you might fairly consider every possible oxidation of the acetone molecule. I'm no expert o ...
7-11-2009 at 17:39
by: Arrhenius
Preparation of Iodomethane
That procedure using NaOH is in Reference 3 from my initial post. In my opinion, the phosphoric aci ...
6-11-2009 at 22:18
by: Arrhenius
Beta-Methoxy Phenylethlyamine
The meta nitration of acetophenone should take place in a mixture of concentrated sulfuric and nitri ...
6-11-2009 at 21:57
by: Arrhenius
Vacuump Pump Operation
A gas ballast is a device built into certain higher end vacuum pumps. If you have an A/C service pu ...
5-11-2009 at 23:25
by: Arrhenius
Phenethyl tosylate from styrene oxide?
You can epoxidize styrene with buffered peracids or mCPBA in DCM. Or you can make it catalytically ( ...
25-10-2009 at 16:43
by: Arrhenius
Grignard Degradation Mechanism?
They probably use DCM to solubilize the imidazole. I'm also willing to bet they used a commercially ...
21-10-2009 at 22:03
by: Arrhenius
Esterification of Malonic Acid to DiEthyl Malonate
Which mol. sieves do you use with alcohol? Interesting table, I'll try to remember that.
19-10-2009 at 21:03
by: Arrhenius
Esterification of Malonic Acid to DiEthyl Malonate
If you form a Schiff base or something like this, and you use benzene or toluene, you'll collect a s ...
19-10-2009 at 14:55
by: Arrhenius
Esterification of Malonic Acid to DiEthyl Malonate
Magpie: I think you may find that the amount of water produced in a Fischer Esterification reaction ...
19-10-2009 at 06:29
by: Arrhenius
Preparation of Iodomethane
Magpie: Yes, it's an inert gas (argon) line. I purged it before I began heating, but that was it. ...
18-10-2009 at 22:03
by: Arrhenius
Wilkinson's Catalyst- Experience?
Here's some advice. Call your research advisor all the names you want, but he's the one paying for y ...
18-10-2009 at 20:12
by: Arrhenius
Forwarding Legitimate Chemistry with Sci. Madness
Hmm. That was certainly not my intent. What I do mean to convey is that I cannot repeat a preparati ...
29-9-2009 at 16:08
by: Arrhenius
Forwarding Legitimate Chemistry with Sci. Madness
12AX7 - Check out Journal of Chem. Education. "Enantioselective Reduction by Crude Plant Parts: Redu ...
28-9-2009 at 17:21
by: Arrhenius
Forwarding Legitimate Chemistry with Sci. Madness
Overall I'm quite satisfied with the aptitude and sophistication of the work and discussion that goe ...
28-9-2009 at 07:34
by: Arrhenius
Preparation of solid aluminium isopropoxide
I think we all know sodium metal is a great desiccant, and I also think few of us have it. Also, is ...
28-9-2009 at 07:04
by: Arrhenius
Preparation of solid aluminium isopropoxide
If that paper's right, and you can even slightly overshoot the azeotrope by drying with NaOH, slow f ...
27-9-2009 at 21:45
by: Arrhenius
Synthesis cis-3-Aminocyclobutanecarboxylic acid(CAS#:74316-27-1)
My consultations start at $75 an hour. Reductively aminate with sodium acetate and sodium cyanoboro ...
23-9-2009 at 07:25
by: Arrhenius
Preparation of solid aluminium isopropoxide
All alkoxides are basic. This is dependent upon the alcohol they come from. pKa is the acidity of ...
20-9-2009 at 17:55
by: Arrhenius
How does bromination catalyzed by red phosphorus work?
I don't think you can use catalytic phosphorus to access the acyl bromide. Atleast it would be bette ...
19-9-2009 at 15:30
by: Arrhenius
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