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Need help with prep. of phthalic anhydride from naphthalene
is there a way to get the pthalimide from the ester by reaction with ammonia at high temp and pressu ... |
22-3-2007 at 13:05
by: jon |
Prep. of EtNO2 using acetone as solv.
yeah there was some procedure where hypothetically it was done in DMSO but ethyl bromide would make ... |
20-3-2007 at 20:19
by: jon |
Oxidising THF using calcium hypochlorite
the last person here who talked about making ether peroxides was called zepplin by his handle and no ... |
17-3-2007 at 10:20
by: jon |
Trifluoroacetic acid What to do with it?
well if you don't know you better axe somebody, but seriously you can alway send it to me if ya don' ... |
15-3-2007 at 17:41
by: jon |
looking for suggestions
Sauron, do you really live in bangkok or is that just for laughs? |
13-3-2007 at 19:53
by: jon |
Reductive amination of L-PAC
I was thinking tht zinc/ammonium formate process would be perfect for something like this it's proce ... |
10-3-2007 at 23:14
by: jon |
More microwave cth questions...
nope |
7-3-2007 at 17:11
by: jon |
theoretical amphetamine variants
mirapex is a benzothiazole derivitive of amphetamine it's an antiparkinsonian agent that goes direct ... |
2-3-2007 at 15:47
by: jon |
More microwave cth questions...
you would'nt be able to use a formate in that scenario in the prescence of a strong acid all you wou ... |
1-3-2007 at 21:25
by: jon |
Sassafras albidum bark
I think the answer to your question is a makeshift condensor there was one proposed in green chemist ... |
1-3-2007 at 17:09
by: jon |
dextrorotatory isomerization of Dextrorphan
it can't be done |
28-2-2007 at 19:03
by: jon |
3,4-dimethylaminorex
the poos article I sent you would explain this they lose much of their activity when methoxylated in ... |
22-2-2007 at 15:48
by: jon |
Diethyl ether peroxide
he does'nt get the name zepplin for nothing it has some historical connotations ya know. |
20-2-2007 at 21:21
by: jon |
Sassafras albidum bark
read a book by earnest guenther called "the essential oils" He mentions sassfrass albidum and says a ... |
20-2-2007 at 16:57
by: jon |
ketone-bisulfite product recrystallization
I've seen where the bisulfite adduct can be formed under phase transfer conditions ie. the use of a ... |
20-2-2007 at 16:14
by: jon |
3,4-dimethylaminorex
has anyone looked at the pharmacology of this anolog?
In this study they indicate the 4s,5s isomer ... |
20-2-2007 at 16:10
by: jon |
Amino alcohol via Akabori, trial run
when CO2 comes off then you have the carbanion i have the japanesse papers with the diagrams of the ... |
10-2-2007 at 16:53
by: jon |
Amino alcohol via Akabori, trial run
I'm a little confused you said you did a run in DMSO and got mostly benzylamine.
In another paper ( ... |
9-2-2007 at 20:59
by: jon |
TEMPO substitute?
there was some big discussion about this a while back for use in the prep of variants of 1-propionan ... |
27-1-2007 at 19:06
by: jon |
TEMPO substitute?
can you use a primary amine in that reaction to get n-sustituted 2,2,6,6, tetramethyl piperidine-4-o ... |
27-1-2007 at 15:15
by: jon |
TEMPO substitute?
Is that a mannich reaction? |
27-1-2007 at 01:15
by: jon |
return to PPA>aminorex discussion
if you start at a PH of 6.5 and up the cyanic acid will not hydrolyse to any great extent but will s ... |
27-1-2007 at 00:58
by: jon |
return to PPA>aminorex discussion
right at ph 5-6.5 the cyanic acid produced gets hydrolysed according to this paper to CO2 and NH4OH. ... |
26-1-2007 at 21:03
by: jon |
frustrations
What "signs" are you supposed to look for? are you expecting an oil to seperate, color change? etc.
... |
24-1-2007 at 18:30
by: jon |
Amino alcohol via Akabori, trial run
no thermodynamicaly favorable just means it's a reversible equilibrium.
DMSO or any polar compound ... |
16-1-2007 at 18:07
by: jon |
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