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The short questions thread (1)
If by "picture" you mean crystallographic data then the answer is negative since both CB receptors a ... |
19-2-2009 at 00:35
by: Nicodem |
Salting out Caffeine
[quote][i]Originally posted by densest[/i]
Coffee has more caffeine than tea which has more than ca ... |
19-2-2009 at 00:27
by: Nicodem |
The short questions thread (1)
[quote][i]Originally posted by chemrox[/i]
alkyl are o,p directing so I would say the major product ... |
18-2-2009 at 00:24
by: Nicodem |
strange (?) results from nitrating toluene
I wonder why nobody wants to answer the specific question instead of posting a bunch of off topic po ... |
17-2-2009 at 06:19
by: Nicodem |
PBr3 -> PCl3 "New" Old Method
The problem with the reverse reaction, that is 3 CCl3Br + AlCl3 <=> 3 CCl4 + AlBr3, is in that ... |
17-2-2009 at 01:31
by: Nicodem |
PBr3 -> PCl3 "New" Old Method
[quote][i]Originally posted by gsd[/i]
Passing Cl2 thru' Bromides is a general method of displacing ... |
17-2-2009 at 00:24
by: Nicodem |
The short questions thread (1)
The prefix (+)- means dextrorotatory, (-)- is levorotatory. Read the wikipedia entry I linked above ... |
17-2-2009 at 00:09
by: Nicodem |
The short questions thread (1)
http://en.wikipedia.org/wiki/Tartaric_acid |
16-2-2009 at 04:51
by: Nicodem |
Thiourea Dioxide --> better than borohydride?
[quote][i]Originally posted by Baphomet[/i]
Perhaps it would be possible to produce it through the ... |
16-2-2009 at 04:45
by: Nicodem |
The short questions thread (1)
Only few imines of the most electrophylic carbonyl compounds (formaldehyde, some benzaldehydes, etc. ... |
16-2-2009 at 00:59
by: Nicodem |
Salting out Caffeine
I don't think there is much difference in caffeine content based just on the green/black distinction ... |
16-2-2009 at 00:46
by: Nicodem |
Thiourea Dioxide --> better than borohydride?
There were a couple of references where N-oxides of imines were reduced to a mixture of secondary am ... |
16-2-2009 at 00:36
by: Nicodem |
Methylenation of catechol derivetives (Base cataylized)
[quote][i]Originally posted by greenimp[/i]
Well she proved me wrong. Here is a paper documenting ... |
16-2-2009 at 00:33
by: Nicodem |
Thiourea Dioxide --> better than borohydride?
Thanks for your search. To bad the reference that looks most interesting is published in Chinese. Th ... |
16-2-2009 at 00:20
by: Nicodem |
Mannich reaction
[quote][i]Originally posted by Nernst[/i]
Now I'm worried about the forming of bis(chloro)methyleth ... |
15-2-2009 at 23:52
by: Nicodem |
orthanilamide
I was not aware of ammonia or amines being used as a base in reductions with Na2S2O4, but then again ... |
13-2-2009 at 10:50
by: Nicodem |
The short questions thread (1)
[quote][i]Originally posted by Intergalactic_Captain[/i]
http://www.orgsyn.org/orgsyn/orgsyn/prepCo ... |
13-2-2009 at 09:56
by: Nicodem |
orthanilamide
Have you tried hydrogenating with Pd-C (5%)? That is the only way to make the work up easy and yield ... |
13-2-2009 at 08:58
by: Nicodem |
Synthesis of p-nitrobenzoic acid
Hey, the whole organic chemistry [i]smell very bad and is quite harmful[/i].
There are threads on ... |
13-2-2009 at 08:46
by: Nicodem |
Salting out Caffeine
Coffee beans, even if unroasted, are the worst source for caffeine. It contains at least twice less ... |
13-2-2009 at 01:43
by: Nicodem |
On the subject of ORMUS
Oh, great! Now we even have nuclear reactions in a test tube. 
This is getting too insane even fo ... |
13-2-2009 at 01:38
by: Nicodem |
Thiourea Dioxide --> better than borohydride?
You are correct, they even detected the anion radical with ESR. This is thus not such a simple reduc ... |
13-2-2009 at 01:25
by: Nicodem |
PEA and mek -> NPP?
That is a more thorough explanation on the issue of the unusual ease of 4-piperidones reacting with ... |
13-2-2009 at 01:10
by: Nicodem |
PEA and mek -> NPP?
Oh my god! You just cited the experimental where they recover [i]N[/i]-phenylethyl-4-piperidone from ... |
12-2-2009 at 03:34
by: Nicodem |
PEA and mek -> NPP?
Is this some weird way of saying "I was wrong"? Because what you did was copy-pasting from the exper ... |
12-2-2009 at 02:05
by: Nicodem |
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