Sciencemadness Discussion Board
Not logged in [Login ]
Go To Bottom

Search
[Next Page]
imine reactivity ( direct carbamylation)
I don't think you'll have enough energy to cause that to tautomerize there's no use reinventing the ...
25-5-2007 at 09:23
by: jon
imine reactivity ( direct carbamylation)
I've never seen an example like what you propose here i don't think it will fly you can theoreticall ...
24-5-2007 at 20:17
by: jon
PEA and mek -> NPP?
it does'nt jibe that formalin would'nt work it goes like this the aldehyde forms the aldimine this i ...
24-5-2007 at 10:07
by: jon
PEA and mek -> NPP?
why do you say formaldehyde won't work from a mechanistic point of view?

[Edited on 24-5-2007 by jo ...
24-5-2007 at 09:42
by: jon
PEA and mek -> NPP?
nice going I went the library no luck did'nt have beilsteins abstracts nothing.
22-5-2007 at 11:58
by: jon
Nitrostyrene to phenyl-nitro-propanol with formaldehyde
yeah i was thinking about the ppa scheme too and it would yeild a 1,3 diol compound the scheme i thi ...
22-5-2007 at 08:39
by: jon
Nitrostyrene to phenyl-nitro-propanol with formaldehyde
I concluded that the sn2 reaction was the only feasible route to nitroethane the other methods are'n ...
21-5-2007 at 21:52
by: jon
Nitrostyrene to phenyl-nitro-propanol with formaldehyde
it seems like your working harder just to avoid working hard.
sure nitroethane is a pain but so is ...
21-5-2007 at 18:36
by: jon
Nitrostyrene to phenyl-nitro-propanol with formaldehyde
I just noticed that too on reading the articles sounded promising but when you dig deeper not really
21-5-2007 at 13:43
by: jon
PEA and mek -> NPP?
how did they arrive at 2,6 substituted products? the non-enoliziable carbonyl should make the iminiu ...
21-5-2007 at 13:41
by: jon
Nitrostyrene to phenyl-nitro-propanol with formaldehyde
very intersting approach!
21-5-2007 at 10:11
by: jon
PEA and mek -> NPP?
yeah i was looking for the same thing there's a J.A.C.S. article on it somewhere don't know where th ...
20-5-2007 at 16:59
by: jon
ephedrine>pcc>wolff-kishner = ?
I've seen a wolf kishner reference on ephedrine itself it seems to work because Of tautomerisn of th ...
18-5-2007 at 10:36
by: jon
Amino alcohol via Akabori, trial run
yes it's got a lot of useful information in it, you can go to downloads.com (c-net) and get claro "s ...
17-5-2007 at 14:05
by: jon
1-methyl-1,4-dihydropyridine
question? how do you get access to beilstein online?
4-5-2007 at 09:00
by: jon
Problem with monomethylation of amines.....
paraformaldehyde depolymerizes more easily in bases, IIRC.
I would depolymerize seperately, titurat ...
26-4-2007 at 17:04
by: jon
Amino alcohol via Akabori, trial run
does'nt bitter almond oil contain triglycerides as well, meaning you would have to purify it to get ...
24-4-2007 at 13:37
by: jon
Yes You Can Make Your Own TCT - If You Dare!
what about using the sodium salt instead to prepare the cyanogen it seems safer to me, I know it can ...
16-4-2007 at 20:23
by: jon
Hydrolysis of ASA
a throwback to the old utfse huh?
14-4-2007 at 23:48
by: jon
Amino alcohol via Akabori, trial run
man you really go out to left field on this, did you ever do a tlc chromatogram of your dmso expirim ...
14-4-2007 at 16:54
by: jon
washes and extractions
In general has anyone noticed what kind of structual moieties cause an amine hydrochloride to partit ...
5-4-2007 at 21:04
by: jon
washes and extractions
I think the amine he's refering to is teriary so it's salts would be somewhat soluble in a chlorinat ...
1-4-2007 at 14:17
by: jon
Need help with prep. of phthalic anhydride from naphthalene
yes anthranilic acid is watched because it is precursor to acetylanthranilic acid which is the prec ...
25-3-2007 at 21:38
by: jon
Need help with prep. of phthalic anhydride from naphthalene
lueko indigo looks like two indole rings fused together with a hydroxy group on each ring, you can g ...
24-3-2007 at 15:09
by: jon
Need help with prep. of phthalic anhydride from naphthalene
little off topic but alkali hydrolysis of leuko indigo seems to be the easiest route to anthranilic ...
23-3-2007 at 16:55
by: jon
[Next Page]

  Go To Top