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Acetaldehyde synthesis
I read in Organic Sintheses, it may reduce to aldehyde from carboxilyc acid with formic acid. Making ... |
24-2-2008 at 13:54
by: Filemon |
Ephedrine from Propiophenone...
It is also possible to make the condensation nitroalcohol with KOH, increasing the pH at 8 or 10. It ... |
3-2-2008 at 07:26
by: Filemon |
Synthesis of 3-(p-Hydroxyphenyl)-2-Butanone "raspberry ketone"
You may make it condensation with p-hydroxibenzaldehyde and acetone => p-hydroxibenzalacetone
... |
2-2-2008 at 17:12
by: Filemon |
Ephedrine from Propiophenone...
With a great excess of ammonia it is obtained good yields. I gave it for course.
[Edited on 27-1-20 ... |
27-1-2008 at 14:26
by: Filemon |
Ephedrine from Propiophenone...
The bromopropiophenone may reduce with Al(iOPr)3 => bromopropanolbenzene => norephedrine
... |
27-1-2008 at 13:21
by: Filemon |
Carboxylic acid -> Alkan
[quote][i]Originally posted by Sandmeyer[/i]
The issue of reducing phenylalanine to amphetamine has ... |
10-1-2008 at 12:42
by: Filemon |
Carboxylic acid -> Alkan
I have seen an interesting reaction to reduce a carboxilic acid:
http://www.orgsyn.org/orgsyn/pd ... |
29-12-2007 at 10:40
by: Filemon |
hydrobromination alpha of ketone alpha,beta insaturate
Thank you. Now I have understood that it can make. But it is necessary to choose a peroxide that it ... |
10-12-2007 at 12:41
by: Filemon |
hydrobromination alpha of ketone alpha,beta insaturate
[quote][i]Originally posted by chemrox[/i]
shame on me. What ws your native tongue? I remember ... |
10-12-2007 at 12:37
by: Filemon |
hydrobromination alpha of ketone alpha,beta insaturate
No, because the presence of the ketone it produces the nucleophilic is addition in beta.
http://e ... |
6-12-2007 at 14:59
by: Filemon |
hydrobromination alpha of ketone alpha,beta insaturate
It is not so simple. In this case the Markownikoff rule doesn't work. A ketone alpha, beta insaturat ... |
5-12-2007 at 13:07
by: Filemon |
hydrobromination alpha of ketone alpha,beta insaturate
It may hydrobromize the double bond in alpha of ketone alpha, beta insaturate with peroxide? I belie ... |
4-12-2007 at 12:23
by: Filemon |
propionic acid from chloroacetone
I have read is enough you on Favorskii rearrangement (wikipedia, Organic Syntheses, books, patents): ... |
10-11-2007 at 18:37
by: Filemon |
propionic acid from chloroacetone
Is there somebody that has synthesized propionic acid from chloroacetone (favorkii reaction)? I have ... |
10-11-2007 at 14:25
by: Filemon |
depolymerization PET
I have read in wikipedia that the PET breaks down with the heat in acetaldehyde. Does it decompose i ... |
10-11-2007 at 09:26
by: Filemon |
depolymerization PET
[quote][i]Originally posted by chemrox[/i]
I really dislike the arrogance of unnecessary chemistry ... |
10-11-2007 at 08:16
by: Filemon |
depolymerization PET
Hi!
Which it is best way depolymerization PET? I have proven with NaOH, it doesn't seem to ha ... |
3-11-2007 at 17:04
by: Filemon |
iodation of double bond benzalacetone
Excuseme, I have explained bad. I have misled. I wanted to say hydroiodation with HI. |
12-10-2007 at 04:27
by: Filemon |
iodation of double bond benzalacetone
Markownikoff's rule doesn't work in this case. That position is preferably iodide benzalacetone? |
11-10-2007 at 16:54
by: Filemon |
Reduction Al-Hg
[quote][i]Originally posted by Sauron[/i]
@Sergei, what I object to is Nicodem's unwillingness to h ... |
4-10-2007 at 08:54
by: Filemon |
Reduction Al-Hg
Thank you for your help. I have tried to reduce 1.5gr of nitrometane with 7.5gr of Aluminum (I have ... |
3-10-2007 at 14:44
by: Filemon |
Reduction Al-Hg
I have forgotten to say the substratum that I want to reduce. I want to reduce nitromethane to make ... |
1-10-2007 at 08:24
by: Filemon |
Reduction Al-Hg
I don't know exactly beacuse I have failed in an amalgam reduction of Al-Hg/AcOH. I believe that it ... |
30-9-2007 at 14:55
by: Filemon |
Preparation of cyanides
I have read that the reaction of an amide with NaBrO produces nitrile.
http://www.ugr.es/~qui ... |
22-9-2007 at 15:02
by: Filemon |
Preparation of cyanides
[quote][i]Originally posted by madscientist[/i]
[HCOO-][NH4+] --} HCONH2 + H2O
HCONH2 + H2O --} ... |
11-9-2007 at 14:36
by: Filemon |
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