| Search |
| [Next Page] |
Diphenylamine via Friedels-Craft-Alkylation?
The thing you are looking for is called the Buchwald-Hartwig amination. AlCl3 is not a catalyst for ... |
3-9-2018 at 10:23
by: Sigmatropic |
Catechol preparation
Very nice write up! I wouldn't expect the low yield is a result of small scale, 150 mL of guaciol is ... |
30-8-2018 at 21:15
by: Sigmatropic |
Water listed as "Toxic Substance" under US Toxic Substances Control Act of 1976!
Just wait until nitrogen becomes regulated. No one is safe and exposure cannot be prevented. |
16-8-2018 at 08:47
by: Sigmatropic |
Aspirin to picric acid apparatus
I thought the more common sequence going through phenol is hydrolysis of asprin (under acidic condit ... |
16-8-2018 at 08:21
by: Sigmatropic |
anyone have experience forming grignards from chlorobenzene
PhCl is chlorobenzene. BnCl is benzyl chloride. They are wildly different, yes. |
13-8-2018 at 21:39
by: Sigmatropic |
Preparing Grignard Reagents from 3-Bromopropylamine hydrobromide and other Compounds
Amines can be protected as the Stabase adduct for use with gringards.
http://reag.paperplane.io/00 ... |
12-8-2018 at 01:25
by: Sigmatropic |
Anethol in Aniseed/Fennel - Kitchen Chemistry
The reaction you speak of, hydroamination, does not occur without metal catalysts. |
11-8-2018 at 23:59
by: Sigmatropic |
Oxidation of amine to nitro in HMTD
They are tertiary amines, only primary amines can be oxidized to nitro groups. Perhaps the N-oxide c ... |
24-7-2018 at 21:09
by: Sigmatropic |
Predicting ease of decarboxylation
I think it depends on the mechanism at play. Sodium benzoate decarboxylation I belive goes through a ... |
19-7-2018 at 08:18
by: Sigmatropic |
Some Chemistry Questions
Do NOT REACT AMMONIA WITH TCCA. Use another reducing agent such as sulfite, thiosulfate ect.
I can' ... |
18-7-2018 at 21:48
by: Sigmatropic |
Unknown product made by accident
Sodium iodate? |
18-7-2018 at 08:09
by: Sigmatropic |
Lab tips & tricks
When finishing a liquid-liquid Iextraction gently swirl the sep. funnel to knock down last droplets ... |
30-6-2018 at 10:36
by: Sigmatropic |
Ordering PTFE stir bars - which are best sizes/shapes?
It took me 5+ years in chemistry to encounter a Circulus stir bar. A colleague of mine, who's almost ... |
28-6-2018 at 11:27
by: Sigmatropic |
Everyday Chemistry
Oxidized an alcohol to the carboxylic acid but couldn't fully get rid of the sideproducts. I'm feeli ... |
28-6-2018 at 11:15
by: Sigmatropic |
Malonic Ester Synthesis. Side reactions
The best conditions to maximize the first reaction is to completely suppress the second reaction by ... |
25-6-2018 at 21:45
by: Sigmatropic |
Nitration of aniline
Wouldn't the proton for dehydration of nitrous come from the acid environment, instead of the ammoni ... |
9-6-2018 at 07:56
by: Sigmatropic |
Nitration of aniline
So it is such a good electrophile that it reacts with a N-H bond of an ammonium ion? Hmmm, seems fea ... |
8-6-2018 at 10:50
by: Sigmatropic |
Nitration of aniline
Does anyone know why diazotizations work on anilines? The first step on paper involves the interacti ... |
8-6-2018 at 09:54
by: Sigmatropic |
New Nitrogen Era? Pentazolate (N5 anion) Energetic Salts Synthesized With Low Impact Sensitivity
Has anyone considered propofol as a starting material. There must be some online vendors supplying t ... |
4-6-2018 at 12:13
by: Sigmatropic |
Synthesis of Fomepizole
I've posted about a patent covering an OTC route to pyrazoles before. http://www.sciencemadness.org/ ... |
28-5-2018 at 13:01
by: Sigmatropic |
how much of a history does glassware keep?
[i]Are there situations in professional research chemistry where they will buy or make brand new gla ... |
21-5-2018 at 12:57
by: Sigmatropic |
What's the most expensive substance you've bought?
Must have been Cyanoethyl N,N-diisopropylchlorophosphoramidite, although I luckily didn't have to pa ... |
8-5-2018 at 12:20
by: Sigmatropic |
Indole identification questions (para-Dimethylaminobenzaldehyde)
For that filter paper, I don't see why not and you should have all materials. Maybe you won't get ev ... |
8-5-2018 at 09:08
by: Sigmatropic |
Transdermal lysergamides?
Saying something which can be summed up as molecule X is evil because Y is nonsensical. And from my ... |
6-5-2018 at 09:48
by: Sigmatropic |
A-alkoxyexpoxide from aromatic ketones
The naming is ambiguous, please include a drawing or use iupac nomenclature.
The only hit I get i ... |
4-5-2018 at 05:50
by: Sigmatropic |
| [Next Page] |
