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Reduction of 4-Chloro-3-nitrotoluene failure
Mechanistically, this should be pretty easy. I suspect part of the issue is the material having nil ... |
3-5-2022 at 16:44
by: UC235 |
Ethyl Phenylcyanoacetate Synthesis troubles
The toluene is being used to azeotropically remove ethanol and push the reaction forward. The liquid ... |
1-4-2022 at 18:06
by: UC235 |
very viscous styrene
Pure styrene is actually less viscous than water. Fortunately, styrene can be partly recovered by di ... |
26-3-2022 at 19:15
by: UC235 |
Benzil dioxime
IR looks pretty okayish in OPs post, just very weak signal.
https://sdbs.db.aist.go.jp/sdbs/cgi- ... |
20-12-2021 at 16:25
by: UC235 |
Bugger YouTube
Seems they rolled out some sort of new filter or algorithm because I just got dinged for Phenylacety ... |
7-10-2021 at 15:15
by: UC235 |
Leftovers from bromoethane synthesis
Not enough water is also a significant problem with this synthesis. 80 proof vodka works well as a s ... |
19-9-2021 at 14:09
by: UC235 |
How to make alloxan from murexide?
Probably you could feed it into this prep: http://orgsyn.org/demo.aspx?prep=CV3P0037
With any luc ... |
7-9-2021 at 17:48
by: UC235 |
The Short Questions Thread (4)
How about buying some food grade lime? Calcium hydroxide. That will be a lot closer than NaOH.
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1-9-2021 at 18:25
by: UC235 |
Thiobenzophenone synth
[rquote=664622&tid=157855&author=karlos³]I love the blue, an organic blue 
Much more i ... |
28-8-2021 at 13:26
by: UC235 |
propyl octanoate
[rquote=664330&tid=157839&author=happyfooddance]There are many esters that smell like coconu ... |
21-8-2021 at 20:26
by: UC235 |
Can anything reasonably be done to improve Strontium Aluminate phosphorescense?
Phosphoresence isn't magic. You can only absorb so much energy. If it actually glowed uniformly for ... |
21-8-2021 at 19:41
by: UC235 |
Did I just capture some Cr(V)? [edit: Nope, but interesting discussion anyway.]
Depending on its ligands, Cr(III) can be purple or green. For example, chromium alum, KCr(SO4)2 is d ... |
18-8-2021 at 14:21
by: UC235 |
chemiluminescence from decaying stick
Some mushroom mycelium is bioluminescent which is almost certainly what you were seeing. There are q ... |
11-8-2021 at 16:04
by: UC235 |
How to chemically digest meat into AAs?
Enzymes are my day job. I remember seeing them in procedures like this and thinking they're some sor ... |
2-8-2021 at 18:46
by: UC235 |
Advice for Low Temperature Phenol Synthesis from Salicylic Acid
Copper catalysts don't work on salicylic acid alone. They need pyridine-type ligands to work. With n ... |
13-6-2021 at 05:07
by: UC235 |
Question about sulfonation of furan
Start here: DOI: 10.1021/jo01371a003
Gives prep of the Pyridine*SO3 reagent and 4 different preps ... |
2-6-2021 at 16:11
by: UC235 |
Nearly glacial acetic acid
Acetic acid does not form an azeotrope, so that's a non-option. |
26-5-2021 at 15:25
by: UC235 |
A Note on the Synthesis of 3-Nitrophthalic Acid
I got 35% yield with a mp of 205-213C, so not quite pure but not bad, and sufficient for luminol. I ... |
24-4-2021 at 19:13
by: UC235 |
why still lead in paints that are labeled "Lead Safe" ?
Lead paint is considered >5000mg/kg dry weight. So while it does contain some lead, it is probabl ... |
2-4-2021 at 12:11
by: UC235 |
Yield of Nencki reaction
You could start by using the orgsyn procedure for your target compound (which does use acetic anhydr ... |
20-3-2021 at 15:10
by: UC235 |
Hydrazine sulfate and sodium sulfate separation
As far as I know, hydrazine sulfate doesn't ever form large or transparent crystals, but if you're g ... |
7-3-2021 at 05:59
by: UC235 |
Naphthalene storage
Glass is fine. You will definitely smell it through HDPE, at least eventually, but you won't lose a ... |
5-3-2021 at 15:14
by: UC235 |
Hydrazine process here outdated?
Bleach and urea are super cheap. Industry is very different from amateur.
We're not using the Bay ... |
2-3-2021 at 18:45
by: UC235 |
Cold and Minty
Menthol is a solid at room temperature. A decent freezer should be about -20C. The yield might be a ... |
2-3-2021 at 18:30
by: UC235 |
Anyone have a simple tetrapropylammonium bromide?
No, you'd need to start from n-propanol. Conversion to n-propyl bromide should be fairly trivial and ... |
20-2-2021 at 08:12
by: UC235 |
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