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Preparing a chromatography column
@DavidJR, many thanks for this info. Yes my silica is Silica gel 60 and 70-230 mesh. I haven't decid ... |
17-6-2020 at 02:49
by: Boffis |
Preparing a chromatography column
I have never used column chromatography before but following a recent experiment in which I tried th ... |
17-6-2020 at 01:44
by: Boffis |
Cyclic diester from 2,2'-oxydibenzoic acid?
@michaljemco; Thankyou for posting details of your prep.
@myr; how different is this reaction to ... |
16-6-2020 at 12:19
by: Boffis |
ortho nitration of p-toluenesulfonic acid(QUESTIONS)
I would be interested to hear how you got on with the DCM solvated nitration. I have never tried it ... |
16-6-2020 at 07:15
by: Boffis |
Ammonium Bifluoride to Sodium Fluoride
Sodium fluoride is very sparingly soluble so simply dissolve your ammonium fluoride in water (very s ... |
16-6-2020 at 00:31
by: Boffis |
ortho nitration of p-toluenesulfonic acid(QUESTIONS)
@B.D.E; I am currently trying to prepare 2-amino-4-chlorophenol-6-sulphonic acid which is an azo dye ... |
15-6-2020 at 12:37
by: Boffis |
Cyclic diester from 2,2'-oxydibenzoic acid?
I would be interested in the procedure you used to prepare the acid. Can you give us a reference or ... |
15-6-2020 at 10:01
by: Boffis |
Help in Identifying a compound
[rquote=638164&tid=155566&author=mackolol][rquote=638149&tid=155566&author=Eddie Cur ... |
12-6-2020 at 09:49
by: Boffis |
Manganese ii and iii acetates
My MnIII acetate is orange brown microcrystalline clumpy powder and bought commecially but you need ... |
12-6-2020 at 00:24
by: Boffis |
Benzoin condensation using hydrogen cyanide?
@DavidJR; I have used the thiamine method numerous times on a wide variety of substrates. I have dis ... |
8-6-2020 at 06:51
by: Boffis |
mononitrophenols - nitration of phenol
Found it! sort of..
In the Urbanski reference above at the bottom of page 475 it states that p-ni ... |
7-6-2020 at 09:51
by: Boffis |
Iron sulfide experiment
[rquote=637781&tid=155541&author=Ubya]ferrous sulfide is quite stable, I doubt it oxidizes t ... |
7-6-2020 at 06:52
by: Boffis |
mononitrophenols - nitration of phenol
@S.C. Wack; Thats an interesting route from aniline, I have not heard of this route before and thats ... |
7-6-2020 at 03:02
by: Boffis |
mononitrophenols - nitration of phenol
Hi Fery, I've found the nitro via nitroso-o-cresol. Check out pages 16 and 54, its in two separate p ... |
6-6-2020 at 02:17
by: Boffis |
mononitrophenols - nitration of phenol
Have you thought of trying the nitrosation route? I read somewhere that simple phenolic nitro compou ... |
5-6-2020 at 09:00
by: Boffis |
mononitrophenols - nitration of phenol
Nice work Fery and a really comprehensive write-up. I have often looked at this preparation and shie ... |
4-6-2020 at 13:51
by: Boffis |
The Cannizzaro Reaction
Benzyl alcohol and the Cannizzaro Reaction
For my next act of heresy I’ll turn benzaldehyde int ... |
4-6-2020 at 05:25
by: Boffis |
The chemistry of Sorbic acid
Does any one have access to Reaxys or scifinder? I can't find any useful data on 2,5-dichloro-3-hexe ... |
3-6-2020 at 02:06
by: Boffis |
2,4-dihydroxybenzoic acid from resorcinol
You're welcome; looking at this paper tends to confirm my belief that if you can over-pressure the s ... |
1-6-2020 at 12:32
by: Boffis |
2,4-dihydroxybenzoic acid from resorcinol
@Chemi Pharma; like I said elsewhere there is not much in that book that isn't in Vogel and thats ea ... |
1-6-2020 at 07:15
by: Boffis |
will a trace of hydrogen cyanide catalyse the
The answer is no, it has to be CN- ions according to the mechanism I have seen. |
1-6-2020 at 02:32
by: Boffis |
Extracting Magnesium from Wood Ash
I can't imagine a more ridiculous starting material than wood ash for the isolation on magnesium sal ... |
1-6-2020 at 01:46
by: Boffis |
Benzoin condensation using hydrogen cyanide?
@SplendidAcylation; I have made numerous posts on this topic and very particularly the use of thiami ... |
31-5-2020 at 23:42
by: Boffis |
Preparation of Sodium Iodate
[u]Preparation of Sodium Iodate from Sodium Chlorate and Iodine[/u]
There is an excellent video b ... |
30-5-2020 at 13:09
by: Boffis |
Aqueous Chlorination of Sorbic Acid
Enough of the intro stuff, now for some real chemistry.
[u]Attempts at chlorinating Sorbic Acid w ... |
30-5-2020 at 10:36
by: Boffis |
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