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Glycine anhydride, its preparation and cleavage to a dipeptide
In Vogel's "Textbook of organic Chemistry" (5th ed, p1179) there is a description of the preparation ... |
4-10-2021 at 08:23
by: Boffis |
Report on trying to make lithium dichromate
I don't understand why you need the electrolytic oxidation step when it is simply a neutralisation r ... |
1-10-2021 at 04:18
by: Boffis |
Copper(II) Anthranilate.....red??
Some Cu(I) complexes of colourless organic ligands are red or violet so maybe as Amos suggests the a ... |
30-9-2021 at 21:20
by: Boffis |
Hydrazone or triazole?
I have had another go on a slightly larger scale (5g butadione monoxime) at condensing molar quantit ... |
29-9-2021 at 02:25
by: Boffis |
Quinacridone-(Quinone) and Oxidation
Hi Conrad, where did you get the starting quinacridone from? or what I am really asking is was it pu ... |
26-9-2021 at 05:32
by: Boffis |
Some insight into transition metal-oxygen chemistry (MO4, MO6 ions)
Mmmm. Has anyone got a reference to the NiO4? How was it detected in the first place? It probably ha ... |
22-9-2021 at 20:32
by: Boffis |
The chemistry of Sorbic acid
I have a jar or 1,2,3,6-tetrahydrophthalic acid:
[file]90282[/file]
Does anyone know if this ... |
12-9-2021 at 13:22
by: Boffis |
Liquid-phase nitration of n-butane
Hi Grizli7, have you looked at the original papers by Konovalov or Markovnikov? The references are N ... |
2-9-2021 at 11:42
by: Boffis |
Pyrophyllite prep?
Its a mineral and its not going to be easy to synth in the lab but there is plenty of data on its st ... |
2-9-2021 at 03:10
by: Boffis |
Unsure if Followed Dinitrophenol Synthesis Correctly
Have you tried steam distillation for the optimistic  ? Mix the reaction mixture
with water instead ... |
17-8-2021 at 03:51
by: Boffis |
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 |
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