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Filtration Problems
If you are using an electric vacuum pump its probably too vicious and with fine precipitates the vac ...
14-7-2021 at 07:09
by: Boffis
Preparation of 3-cyanopropanoic acid from MSG (TCCA oxidative decarboxylation)
Hi Rusty, Nice work and a good write up. I have tried this synthesis using the method of Hiegel et a ...
7-7-2021 at 05:34
by: Boffis
Hydrazone or triazole?
Hi Triflic, yep that looks about the right colour for the crude oxime. If you don't make the solutio ...
7-7-2021 at 03:13
by: Boffis
Making alcohol solutions of hydrazine.
No Bedlasky, they are talking about hydrazine hydrochloride not hydrogen chloride!

If you convert ...
3-7-2021 at 04:45
by: Boffis
Naphthalic acid
Hi Jenks; naphthalic acid is sparingly soluble in most solvents so this idea is probably worth follo ...
1-7-2021 at 11:54
by: Boffis
Hydrazone or triazole?
Hi Triflic, the mono-oxime generally crystallises slowly so the longer the time and the slower the r ...
1-7-2021 at 11:47
by: Boffis
Naphthalic acid
As a byproduct of preparing acenaphthenequinone I have recovered a small amount of naphthalic acid. ...
1-7-2021 at 08:18
by: Boffis
Hydrazone or triazole?
Hi Triflic, I have found that you need about 2.2 to 2.5ml of water per gram of crude solid but it do ...
1-7-2021 at 07:26
by: Boffis
Hydrazone or triazole?
Hi Triflic, I'm a bit confused, which procedure are you trying out above? The reaction of an alkyl n ...
1-7-2021 at 03:09
by: Boffis
Hydrazone or triazole?
[rquote=662292&tid=157651&author=Triflic Acid]Have you tried starting from ketazine (by cond ...
30-6-2021 at 01:30
by: Boffis
monosodium glutamate
Maybe try triturating it with ethanol or ether this sometimes makes these viscous solutions crystall ...
28-6-2021 at 02:08
by: Boffis
Is there anything interesting I can do with Urea?
[rquote=662256&tid=157609&author=Lion850]Student, Oxy, How to go from urea to barbituric aci ...
28-6-2021 at 02:04
by: Boffis
Hydrazone or triazole?
I have prepared some Dimethylglyoxal mono-oxime (2,3-butanedione mono-oxime) via Vogel's route to di ...
27-6-2021 at 12:44
by: Boffis
mononitrotoluenes (nitration of toluene)
Whooh; that's an impressive vacuum distillation rig! Have you tried running a TLC to test the purity ...
24-6-2021 at 07:15
by: Boffis
Avoiding over nitration (or generally over-electrophilic substitution)
Use only a small molar excess of nitric acid that should limit multiple nitration as will lower temp ...
20-6-2021 at 13:07
by: Boffis
Interesting hydrodechlorination of PCE to (edit) dichloroethylene
That is an interesting paper Opylation. I have a synthesis in mind that requires dichloroethylene an ...
20-6-2021 at 12:58
by: Boffis
Vicinal dione monoxime in aqueous medium?
I agree with c_not_a that the blue solution is N2O3 in the immiscible layer of butanone which has fo ...
20-6-2021 at 04:25
by: Boffis
Derivatising p-dichlorobenzene through its nitro compound
The further nitration of 2-nitro-1,4-dichlorobenzene

This procedure is taken from a paper by Page ...
19-6-2021 at 10:00
by: Boffis
Derivatising p-dichlorobenzene through its nitro compound
Hi Fery, do you have any idea of the stoichiometry of the dithionite reduction of nitro compounds? A ...
19-6-2021 at 08:04
by: Boffis
Vicinal dione monoxime in aqueous medium?
Hi Karlos, but you used THF as a solvent I am talking about carrying out this reaction in water with ...
17-6-2021 at 08:08
by: Boffis
Vicinal dione monoxime in aqueous medium?
In this thread by magpie;

http://www.sciencemadness.org/talk/viewthread.php?tid=8122#pid91211

...
16-6-2021 at 12:30
by: Boffis
Nicotinamide dehydration
Hi Pumukli, did you ever try this again with any of the alternative suggestions?
15-6-2021 at 01:28
by: Boffis
Benzil dioxime
While searching for other information I stumbled across this short article that gives a procedure fo ...
9-6-2021 at 00:36
by: Boffis
Benzil dioxime
Hi Knowledge_seeker, kmno4’s suggestion that the main product may be oxanilide suggests that a Bec ...
5-6-2021 at 10:19
by: Boffis
Question about sulfonation of furan
I don't know what your motivation for looking at furan sulphonic acids is but there is another route ...
3-6-2021 at 07:51
by: Boffis
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