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Replacing a phenolic OH-group with chlorine
In the old days, iodine was used as a promoter for aromatic sulfonation reactions, increasing yield ... |
17-12-2009 at 19:31
by: manimal |
Replacing a phenolic OH-group with chlorine
[rquote=102574&tid=8898&author=garage chemist]Thanks for that paper Nicodem, that is very in ... |
15-12-2009 at 00:51
by: manimal |
The short questions thread (2)
I haven't been able to find a good preparative procedure for o-toluenesulfonic acid. |
8-12-2009 at 00:59
by: manimal |
The short questions thread (2)
[rquote=166528&tid=12054&author=Hamilton]hi,
i have got an easy one for you,
i want to ... |
25-11-2009 at 21:46
by: manimal |
Thermal Decarboxylation - Alkyl Phenyl Ketones
See here: instead of risking oxidative degradation by recovering iron acetate from solution, it can ... |
23-11-2009 at 09:45
by: manimal |
Video: Dehydration of sugar by sulfuric acid
I was being silly before, but that is very cool. |
24-10-2009 at 22:53
by: manimal |
Video: Dehydration of sugar by sulfuric acid
You know what would be totally kewl? If you posted a video of a vinegar and baking soda "volcano"! |
23-10-2009 at 20:54
by: manimal |
styrene -> something interesting
I'm already well aware of the Willgerodt reaction.
What I was asking was, if hypochlorite can ind ... |
21-10-2009 at 19:17
by: manimal |
styrene -> something interesting
[quote]Chlorination of styrene in the presence of Bz2O2 at 100-10° gave 12
chlorinated products, w ... |
20-10-2009 at 18:02
by: manimal |
The short questions thread (2)
Yes, I suppose you're right. I didn't think it was H2SO4 mist, because I thought H2SO4 mist would be ... |
5-10-2009 at 15:19
by: manimal |
The short questions thread (2)
Has anyone ever made sodium pyrosulfate from sodium bisulfate by heating? I am having trouble. I can ... |
5-10-2009 at 13:16
by: manimal |
Reduction of Nitro Toluene
It describes separating the toluidine isomers by adding a slight excess of H2SO4 to neutralize the [ ... |
1-10-2009 at 23:51
by: manimal |
Reduction of Nitro Toluene
How's this for separating the toluidine isomers?
1/3 of the toluidine is neutralized with HCl. Th ... |
1-10-2009 at 16:10
by: manimal |
oxime reductions
Weygand says that most reagents suitable for the reduction of nitros are suitable for the reduction ... |
23-9-2009 at 16:59
by: manimal |
Amino alcohol via Akabori, trial run
Has anyone actually performed a rigourous analysis of the product obtained by this reaction to deter ... |
25-8-2009 at 10:27
by: manimal |
The short questions thread (2)
[rquote=158574&tid=12054&author=ammonium isocyanate]There are a number of ways you could do ... |
25-7-2009 at 14:40
by: manimal |
The short questions thread (2)
No, barcarbonate will not react with ethanol. Nor is it soluble to any appreciable extent.
[rquot ... |
25-7-2009 at 11:52
by: manimal |
The short questions thread (2)
[rquote=158064&tid=12054&author=ammonium isocyanate]I'm not sure about recrystalization from ... |
23-7-2009 at 13:54
by: manimal |
Acetic anhydride preparation
No shit. That is the classical synthesis of AA. |
23-7-2009 at 10:29
by: manimal |
The short questions thread (2)
I want to extract paracetamol from pain medication. (I intend to invistigate it's uses as a polymeri ... |
19-7-2009 at 14:43
by: manimal |
Ortho Nitration
In "Trinitrotoluenes and Mono- and Dinitrotoluenes" it says:
[quote]A possibly better method of s ... |
16-7-2009 at 11:07
by: manimal |
The short questions thread (2)
[rquote=156488&tid=12054&author=manimal]Since concentrated ammonia solution is so useful but ... |
15-7-2009 at 16:42
by: manimal |
Preparation of anthranilic acid
Aniline used to be mfgd. by heating phenol in a sealed tube with ammonia. If that reaction is applie ... |
13-7-2009 at 18:46
by: manimal |
strange (?) results from nitrating toluene
[rquote=145643&tid=8317&author=Sauron]If you want to have exclusively mononitrotoluenes you ... |
12-7-2009 at 17:06
by: manimal |
The short questions thread (2)
I tried "DE98070", but my search was unsuccessful. I'm thinking that there is a special format for e ... |
12-7-2009 at 11:24
by: manimal |
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