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CuSO4, Bromides, Neurotoxic Gas (LONG POST)
Can Cu[sup]2+[/sup] oxidize bromide to bromine? That's an interesting thought. Bromo or chloroaceton ... |
29-9-2017 at 18:10
by: Crowfjord |
Aldol condensations with formaldehyde
The reference I was thinking of relating to a nitro aldol with formaldehyde turned out to be a refer ... |
25-9-2017 at 19:05
by: Crowfjord |
Aldol condensations with formaldehyde
A paper regarding the subject was posted by plastics a while back, [url=https://www.sciencemadness.o ... |
25-9-2017 at 16:32
by: Crowfjord |
Mysterious reaction
Like the Vilsmeier-Haack, it is a formylation. This looks like a variant of the [url=http://www.scie ... |
18-9-2017 at 14:11
by: Crowfjord |
Optimizing Henry reaction conditions (substituted benzaldehydes + nitromethane)
[rquote=492317&tid=76743&author=Melgar]
Knoevanagel condensations can apparently refer to a ... |
15-9-2017 at 07:13
by: Crowfjord |
Optimizing Henry reaction conditions (substituted benzaldehydes + nitromethane)
I think it's a Knoevanagel condensation when an amine catalyst is used. This might affect the inform ... |
14-9-2017 at 12:52
by: Crowfjord |
Optimizing Henry reaction conditions (substituted benzaldehydes + nitromethane)
I've also recently started investigating 2-phenylethylamine as a catalyst for nitrostyrene formation ... |
11-9-2017 at 13:34
by: Crowfjord |
OTC Oxalyl Chloride Challenge
Dry ice accessibility is kind of touch and go. It's not usually advertised but some grocery stores w ... |
2-9-2017 at 05:59
by: Crowfjord |
The Short Questions Thread (4)
[rquote=490610&tid=25055&author=physics inclination]Would urea and a strong base react to ma ... |
18-8-2017 at 13:27
by: Crowfjord |
Methylenation of catechol with dichloromethane
Nice. I probably would have used even more DMSO, the amounts you used were not all that dilute. That ... |
9-8-2017 at 11:13
by: Crowfjord |
POCl3,Acyls,Anhydrides,AlkalyMetals and Halogens
Phosphoryl chloride can react with acids or their salts to make the corresponding acyl chlorides, an ... |
5-8-2017 at 12:50
by: Crowfjord |
Bisulfite adducts, iodide adducts, solubility (ketones, aldehydes)
In my experience, bisulfite adducts tend to be soluble in water and dilute bisulfite solutions, and ... |
25-7-2017 at 07:31
by: Crowfjord |
Am I not allowed to own red phosphorous in the united states?
Elemental phosphorus is considered a suspicious chemical in the US, but isn't outright illegal in fe ... |
14-7-2017 at 14:08
by: Crowfjord |
DMT via tryptamine and NaBH4
It's a reductive amination, with sodium borohydride instead of formic acid as the reductant. Compare ... |
25-6-2017 at 13:48
by: Crowfjord |
Butane extraction of something non-drug related.
Butane should extract all sorts of nonpolar things like terpines, steroids/phytosterols, fats, squal ... |
4-6-2017 at 11:16
by: Crowfjord |
Alternative Synthesis of 2,3-Dichlorosuccinic acid
@ subskune:
I couldn't find any proper solubility data, but from a sterochemical/optical rotatio ... |
27-5-2017 at 08:23
by: Crowfjord |
Alternative Synthesis of 2,3-Dichlorosuccinic acid
Melting point information for 2,3-dichlorosuccinc acid from a scifinder search. The discrepancies i ... |
27-5-2017 at 06:48
by: Crowfjord |
How much have you spent on your lab?
It's a rough estimate, but I think I've spent between $3000 and $5000 on chemicals and equipment ove ... |
23-5-2017 at 07:23
by: Crowfjord |
OTC Oxalyl Chloride Challenge
Elemental Scientific sells it as a special order chemical. Or did they go out of business? Doesn't l ... |
20-5-2017 at 15:36
by: Crowfjord |
Sodium Metabisulphite & Magnesium
Sounds like the magnesium might have reduced some SO[sub]2[/sub] to H[sub]2[/sub]S.
Probably some ... |
20-5-2017 at 07:14
by: Crowfjord |
Sodium Metabisulphite & Magnesium
Sodium metabisulfite in aqueous solution gives off SO[sub]2[/sub] gas all by itself. What did the g ... |
20-5-2017 at 06:39
by: Crowfjord |
Is paraformaldehyde and formaldehyde interchangeable?
The above is true, from experience. Although, it helps to have a small amount of acid or base presen ... |
12-5-2017 at 08:58
by: Crowfjord |
New chemicals for sale !
I would like to add another positive review for Mario. He is very polite and quick to respond to an ... |
8-5-2017 at 19:40
by: Crowfjord |
Quaternary amino acid decarboxylation?
That would make an interesting experiment. Obviously ketone catalysis wouldn't be of any use here du ... |
26-4-2017 at 10:54
by: Crowfjord |
Bromomethane and Formamide from DMF
HBr with dimethylaniline or any other methyl amine will not cleave the methyl groups. Von Braun reac ... |
15-4-2017 at 11:49
by: Crowfjord |
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