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Developing new reactions
There are reported HOBr additions in DMSO/H2O. However, I also don't see this reaction working effec ... |
10-5-2010 at 20:59
by: Arrhenius |
Ethyl/Isopropyl Bromide preparation
Dissolving concentrated acids in anything will be exothermic. You're correct, there is an equilibri ... |
10-5-2010 at 20:40
by: Arrhenius |
Hordenine from thermal decarbox of tyrosine
Researching a topic does not mean reading the Rhodium archive. Start by buying March's Organic Chem ... |
9-5-2010 at 10:17
by: Arrhenius |
Hordenine from thermal decarbox of tyrosine
Not a chance. Try dissolving tyrosine, or any amino acid for that matter, in water - it doesn't wor ... |
8-5-2010 at 20:21
by: Arrhenius |
REDUCTIVE AMINATION
Can you draw a mechanism for this reaction? I don't have any experience with this, but I presume a ... |
5-5-2010 at 23:31
by: Arrhenius |
Ozonelabs- Synthesis of 2-Iodobenzoic Acid
IBX is a bit of a pain compared to the Dess-Martin reagent, but I'm positive you could prepare IBX u ... |
18-4-2010 at 22:10
by: Arrhenius |
Atom Economy vs % Yield
Well, atom economy as I've been taught involves all species, not just your product. It considers th ... |
16-4-2010 at 19:17
by: Arrhenius |
Camphor: Any interesting experiment?
Yes, I believe it does involve a non-classical carbocation (see Winstein, Cram et al). May not be t ... |
16-4-2010 at 19:13
by: Arrhenius |
Atom Economy vs % Yield
Atom economy is not typically a calculated figure, but merely a concept concerned with generation of ... |
16-4-2010 at 07:57
by: Arrhenius |
chemical drying
Storing over molecular seives or passing through activated alumina are the easiest & most effect ... |
16-4-2010 at 07:51
by: Arrhenius |
Camphor: Any interesting experiment?
You could make Oppolzer's camphor-derived sultam. I would call that synthesis a pain in the ass, ha ... |
16-4-2010 at 07:48
by: Arrhenius |
Thermal Decomposition
Hm... There's no way the nitrite anion is smaller than an oxide ion - remember that atomic radius de ... |
10-4-2010 at 10:01
by: Arrhenius |
vacuum distillation
That being said, vacuum distillations are often much more behaved if you use a capillary ebullator t ... |
27-3-2010 at 07:39
by: Arrhenius |
Drug discovery related informations
Regardign pramipoxole
If those compounds are 'anti-oxidants', what consequence is their stereoche ... |
21-3-2010 at 21:57
by: Arrhenius |
Melting point apparatus
Ahhh.. this is a Thermo product. It uses capillary tubes. I agree, terribly confusing. Here's what ... |
21-3-2010 at 21:45
by: Arrhenius |
Transform DMSO gel into Liquid ?
Buy new DMSO that's pure. This really isn't worth your time to try and purify it. You can't just di ... |
13-3-2010 at 11:40
by: Arrhenius |
ethyl n-butylmalonate failed synthesis
My guess is the filtrate is a salt of the product and starting material. You should quench the reac ... |
2-2-2010 at 11:35
by: Arrhenius |
ethyl n-butylmalonate failed synthesis
[rquote=170864&tid=13340&author=Magpie]What is slowly forming on top of the ppt is an oil, a ... |
1-2-2010 at 21:31
by: Arrhenius |
Dimethocaine - using Panthenol?
Acid or base hydrolysis of amide or esters will give the carboxylic acid. Base hydrolysis is faster. ... |
1-2-2010 at 00:20
by: Arrhenius |
Dimethocaine - using Panthenol?
Hydrogenation is not a reasonable option. Stoichiometric lithium aluminum hydride, or cocktails of N ... |
31-1-2010 at 21:24
by: Arrhenius |
ethyl n-butylmalonate failed synthesis
Well, we can agree to disagree. Strong base = strong nucleophile, basically (no pun intended). Thoug ... |
31-1-2010 at 19:16
by: Arrhenius |
ethyl n-butylmalonate failed synthesis
I disagree with the above comments. Obviously adding sodium to ethanol will yield an anhydrous solu ... |
31-1-2010 at 16:06
by: Arrhenius |
Total Synthesis of Carpanone from Catechol
Forming the aryl boronic acid in high yield may prove trickier than in sounds. Your triisopropyl bo ... |
28-1-2010 at 21:19
by: Arrhenius |
lefetamine
I hope those yields convince you to take a different route.  |
28-1-2010 at 21:12
by: Arrhenius |
Ozonelabs- Synthesis of 1,4-Bis(3-chloropropoxy)benzene
Huh. Ok. I was just curious. I've done several alkylations of phenols, and all of them were as I de ... |
24-1-2010 at 09:25
by: Arrhenius |
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