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Zn-Ni reduction of aliphatic nitriles? Could HCOONH4 synergise?
Been looking into the Zn-Ni couple for reduction of nitriles to the corresponding amines. Anyone hav ... |
4-3-2026 at 05:36
by: Alchemica |
Crossed-aldol formation of dehydrozingerone and an experimental attempt at a novel hydrogenation
While I have some Pd/C these days, for the sake of amateur chemistry:
Found these REALLY cheap Pt ... |
3-3-2026 at 21:37
by: Alchemica |
Aroma chemistry: Cinnamaldehyde via glycidic acid to phenylacetaldehyde utilising Oxone
Thanks for the input Zed.
Have to come up with some ways to better characterise the final produc. ... |
3-3-2026 at 19:29
by: Alchemica |
(R-OH →) R-Cl → RH (one pot? amine presence?)
All good, happy to help. BTW I find reading e-EROS - The Encyclopedia of Reagents for Organic Synthe ... |
2-3-2026 at 16:54
by: Alchemica |
(R-OH →) R-Cl → RH (one pot? amine presence?)
Definitely anhydrous is the way to go, don't want to be diluting your reaction mixture to even lower ... |
1-3-2026 at 18:46
by: Alchemica |
(R-OH →) R-Cl → RH (one pot? amine presence?)
Most welcome. Sorry I saved screenshots that weren't properly referenced my end. Have a feeling the ... |
1-3-2026 at 17:02
by: Alchemica |
(R-OH →) R-Cl → RH (one pot? amine presence?)
Here's some info on Lucas Reagent and some preparative procedures that may be of interest to you
... |
1-3-2026 at 10:33
by: Alchemica |
Separation of VO(2+) and Fe(2+/3+)
Just something I saw in my readings that I thought could possibly be of use to simply purify your va ... |
28-2-2026 at 15:42
by: Alchemica |
Aroma chemistry: Cinnamaldehyde via glycidic acid to phenylacetaldehyde utilising Oxone
Thanks for the input Texium, yes, still early days with this experiment and definitely needs optimis ... |
21-2-2026 at 22:24
by: Alchemica |
Aroma chemistry: Cinnamaldehyde via glycidic acid to phenylacetaldehyde utilising Oxone
Cinnamon (cinnamaldehyde) to phenylacetaldehyde (honey-like, sweet, rose, green, grassy - imparts hy ... |
21-2-2026 at 21:06
by: Alchemica |
Looking for basic alumina
Would pottery grade alumina be suited to your needs at all? Over here, our ceramics/pottery shops se ... |
17-2-2026 at 18:46
by: Alchemica |
Can cationic ion exchange resins (polystyrene sulfonic acid H+ form) be used to create dry hydrogen halides in situ usefully?
Thanks for sharing your valued expertise, Dr.Bob. I know when I was trying the NaI/Dowex catalyst fo ... |
16-2-2026 at 22:27
by: Alchemica |
'Trace gas [N2:H2 - 95:5]' - a readily available, non-flammable hydrogen source for catalytic hydrogenation
Any idea if utilising a stream of N2/H2 95:5 as the common 'Trace gas', which can be had in small di ... |
16-2-2026 at 16:11
by: Alchemica |
Can cationic ion exchange resins (polystyrene sulfonic acid H+ form) be used to create dry hydrogen halides in situ usefully?
Was wondering if a strongly acidic ion exchange resin eg. polystyrene sulfonic acid (Amberlyst/Dowex ... |
16-2-2026 at 13:41
by: Alchemica |
LF Dicyclopentadiene
I'd try and find your local TCI stockist, maybe? If you end up needing to import [from Aus] https:// ... |
13-2-2026 at 01:27
by: Alchemica |
Cetyltrimethylammonium tribromide - an easily prepared, powerful brominating reagent
Been experimenting with novel brominating reagent and found that cetyltrimethylammonium tribromide i ... |
13-2-2026 at 01:23
by: Alchemica |
Pay-it-forward Pd/C (AUS ONLY)
I had to get around to making some 10% Pd/C. If any people IN AUSTRALIA would like a small qty of it ... |
8-7-2025 at 21:52
by: Alchemica |
reaction between 2-methyl-2-cyclohexenone and an excess of cyanide ion, in the presence of hydrochloric acid
I'm guessing you have predominately a 1,4-addition to the enone?
[file]106592[/file]
As the n ... |
1-7-2025 at 18:45
by: Alchemica |
How good an ethylating agent is ethyl chloride?
Some adult shops locally (don't know what kinky use it has) have started to sell ethyl chloride spra ... |
24-6-2025 at 20:21
by: Alchemica |
Acetaldehyde synthesis
Oxidations with BiBr[sub]3[/sub]-H[sub]2[/sub]O[sub]2[/sub] and pure and supported V[sub]2[/sub]O[su ... |
20-6-2025 at 22:27
by: Alchemica |
Strong basic anion exchange resin
"The anion exchange resins that are useful are those that are strongly basic, for example, the cross ... |
15-6-2025 at 02:58
by: Alchemica |
A green Fenton oxidation of glycerol to formic acid with hydrogen peroxide
Hopefully URL fixed.
Yield wasn't weighed in total as losses from the 95% ethanol precipitation w ... |
8-6-2025 at 03:20
by: Alchemica |
A green Fenton oxidation of glycerol to formic acid with hydrogen peroxide
Some simple methods of preparing formic acid or it’s salts include the distillation of oxalic acid ... |
7-6-2025 at 20:56
by: Alchemica |
Alkylation of β-keto esters under mild solid-liquid phase-transfer catalysis
The use of Friedel Craft acylations and the thermal decarboxylative ketonisation of mixtures of carb ... |
2-6-2025 at 18:37
by: Alchemica |
Crossed-aldol formation of dehydrozingerone and an experimental attempt at a novel hydrogenation
[rquote=701054&tid=161095&author=davidfetter]Any chance you could replace those references t ... |
31-5-2025 at 09:52
by: Alchemica |
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