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The Preparation of Benzotriazole
In your case I would just scrape crystals, filter them and wash with a little of fresh cold solvent ... |
18-1-2022 at 10:23
by: Fery |
The Preparation of Benzotriazole
JacobM another hint concerning you melting point and possible purity / effectivity of crystallizatio ... |
18-1-2022 at 00:02
by: Fery |
Your favourite ethanol cleanup?
[rquote=670172&tid=158289&author=DocX][rquote=670169&tid=158289&author=Fery]DocX whe ... |
17-1-2022 at 23:52
by: Fery |
Your favourite ethanol cleanup?
DocX when you drink beverages with ethyl alcohol, it is metabolized to acetaldehyde in first step. W ... |
17-1-2022 at 23:31
by: Fery |
Your favourite ethanol cleanup?
I must definitely suggest Bedlasky. He was very helpful in GC, not only ethanol but also 2-nitrotolu ... |
17-1-2022 at 23:26
by: Fery |
Proline ethyl ester synthesis from proline and ethanol.
It seems you should prepare salt of proline at first. Seems HCl is preferred. Then starting esterifi ... |
17-1-2022 at 23:08
by: Fery |
The Preparation of Benzotriazole
Of course lower temperature prevents diazonium intermediate decomposition. Here they performed react ... |
17-1-2022 at 22:22
by: Fery |
Your favourite ethanol cleanup?
KMnO4 oxidizes also 95% ethanol. As ethanol was in big excess in comparison with byproducts you prob ... |
17-1-2022 at 14:27
by: Fery |
The Preparation of Benzotriazole
Very nice.
You are worried about your yield. In orgsyn they suggest to reach 80 C, they used cold b ... |
16-1-2022 at 22:46
by: Fery |
Easy-to-synthesize odor compounds
teodor the menthol I gave you is natural, levomenthol, from India, from Mentha arvensis. Maybe also ... |
10-1-2022 at 08:50
by: Fery |
Easy-to-synthesize odor compounds
DraconicAcid - exactly, I almost did not feel any scent of methyl cinnamate.
JacobM the link I post ... |
10-1-2022 at 04:08
by: Fery |
Easy-to-synthesize odor compounds
Amos - I bought methyl cinnamate from es-drei.de and the scent was very weak. Is there a way to make ... |
9-1-2022 at 13:30
by: Fery |
Pure metallic calcium for sale.
Tsjerk -
drying agent ?
reducing agent in metals preparation? like Cr, Zr, or even Th
preparation ... |
7-1-2022 at 00:31
by: Fery |
New video: Butyric acid to butyryl chloride using thionyl chloride
Hi Cou, well done and thank you for creating and sharing your nice video.
SOCl2 is very useful but ... |
5-1-2022 at 21:52
by: Fery |
Mono-nitration of resorcinol
The sulfonation prior nitration seems to be necessary for preparing 2-nitroresorcinol.
https://sci- ... |
3-1-2022 at 08:04
by: Fery |
Sodium Borohydride synthesis at room temp
DocX interesting route! They used NaH + MgH2 initially and managed to replace MgH2 with Mg finally, ... |
1-1-2022 at 07:37
by: Fery |
Mystery Glassware Identification Thread
charley1957 thank you very much !!! |
28-12-2021 at 23:21
by: Fery |
fun with acetylene
I did yet only the boom version of acetylene experiment decades ago. I filled 2,5 L PET bottle with ... |
28-12-2021 at 11:59
by: Fery |
Bromination of aromatic compounds without catalyst
Here they sell it:
https://shop.es-drei.de/imide/230/n-bromsuccinimid-min.-99?number=S1005051
But ... |
26-12-2021 at 12:44
by: Fery |
Thiobenzophenone synth
Hi Ormarion,
here the blue oil mentioned in literature:
https://library.sciencemadness.org/library ... |
26-12-2021 at 09:26
by: Fery |
How bad is the smell of thiols?
theAngryLittleBunny, I found this one pot synthesis of thioethers
https://library.sciencemadness.or ... |
26-12-2021 at 08:51
by: Fery |
Acetaldehyde synthesis
karlos³
leading ethanol vapor over hot Cu metal?
depolymerization of metaldehyde (antislug compou ... |
25-12-2021 at 11:40
by: Fery |
Preparation of pyrrolidine via decarboxylation of l-proline
also one hint from theoretical calculations:
weight of reactants (2,05 mol acetophenone + 2,00 mo ... |
23-12-2021 at 09:16
by: Fery |
Mono-nitration of resorcinol
Resorcinol 22,0 g (0,2 mol, Molar mass 110.1 g/mol) dissolved in 22,0 g of water - yes I weighed it, ... |
22-12-2021 at 09:58
by: Fery |
distillation
the mixture to distill - a lot of salt on bottom, some dark red on top and the most important is the ... |
22-12-2021 at 01:51
by: Fery |
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