| Search |
| [Next Page] |
Beginner question related to patent reading
The 10% Pd means not only "twice the surface covered" but different size-distribution of the metal " ... |
12-5-2023 at 01:18
by: Pumukli |
Beginner question related to patent reading
10 g 5% PdC is not always equivalent to 5g 10% PdC in a real world flask! PdC is more than Pd + C mi ... |
10-5-2023 at 23:35
by: Pumukli |
Sequence of 'color reactions'
For the sequence of pourings:
1st glass of diluted (pH 10 or so) NaOH - colourless
2nd glass a ... |
13-12-2022 at 11:32
by: Pumukli |
benzyl acetone = 4-phenylbutan-2-one by hydrogenation of benzylideneacetone with H2 on palladium catalyst
Fery, I bought my Pd/C on a sort of sale too. I don't know anything else about it besides the bottl ... |
2-12-2022 at 13:59
by: Pumukli |
benzyl acetone = 4-phenylbutan-2-one by hydrogenation of benzylideneacetone with H2 on palladium catalyst
Very good, Fery! A low pressure hydrogenation on Pd/C! Without inert atmosphere. With the help of a ... |
2-12-2022 at 10:11
by: Pumukli |
Vacuum vs steam distillation?
I like this "coincidental wave" I'm living through nowadays. 
Believe it or not, on this (very) ... |
30-11-2022 at 14:52
by: Pumukli |
Bromination of 1,3 benzodioxole to 5-Bromo-1,3-benzodioxole?
Maybe the orientation would be different.
Maybe the availability is different (for an amateur).
|
29-11-2022 at 07:01
by: Pumukli |
Bromination of 1,3 benzodioxole to 5-Bromo-1,3-benzodioxole?
Yeah, you are right, Boffis, my fault! 
Anyway, the "real deal" table shows a very different pi ... |
29-11-2022 at 06:32
by: Pumukli |
Bromination of 1,3 benzodioxole to 5-Bromo-1,3-benzodioxole?
Atara, (or not), thanks for the reminder!
Here we go:
[file]95926[/file]
It seems, tha ... |
29-11-2022 at 06:00
by: Pumukli |
Bromination of 1,3 benzodioxole to 5-Bromo-1,3-benzodioxole?
You put a question mark to the end of your opening sentence, hence I assumed you were looking for a ... |
29-11-2022 at 03:48
by: Pumukli |
Bromination of 1,3 benzodioxole to 5-Bromo-1,3-benzodioxole?
_not_Atara, clearly you have a wicked sense of humor.
But you were 100% honest, I checked.
... |
28-11-2022 at 09:07
by: Pumukli |
haloform reaction - cinnamic acid from benzylideneacetone
So you say, kmno4, that basically stronger stirring (to prevent clumping) should provide a good yiel ... |
26-11-2022 at 22:46
by: Pumukli |
toluene --> benzaldehyde
I heard that pure O2 is not really a forgiving substance when mixed with flammables.
Your suggest ... |
26-11-2022 at 13:12
by: Pumukli |
haloform reaction - cinnamic acid from benzylideneacetone
A quick search brought up a few hits regarding methanol and sodium hypochlorite incompatibility.
It ... |
26-11-2022 at 12:56
by: Pumukli |
haloform reaction - cinnamic acid from benzylideneacetone
On second thought, that MeOH as cosolvent is not a bad idea at all. Methanol should not react with h ... |
26-11-2022 at 08:54
by: Pumukli |
A foray into phenethylamines of the Shulgin kind
I'm stunned, again, by your work, Benignium.
A lot of effort went into these synths (and obviousl ... |
26-11-2022 at 08:48
by: Pumukli |
haloform reaction - cinnamic acid from benzylideneacetone
Nice work. I always wanted to see a haloform used for other products not only for chloroform. (I hav ... |
26-11-2022 at 08:29
by: Pumukli |
Bromatometric titration of anilines/phenols and O-alkylphenols
I tried to adapt this method to the determination of p-methoxy-phenol (PMP), but it seems to be not ... |
24-11-2022 at 11:22
by: Pumukli |
How to determine storage groups for various reagents
Few weeks ago I finished the cleaning/repurposing of a separate room for chemical storage purposes. ... |
21-11-2022 at 02:31
by: Pumukli |
Interesting route to 4-methoxyphenol
In these days I'm working on exactly the same synthesis. Especially for the
scent! (Not the scent ... |
11-11-2022 at 00:14
by: Pumukli |
Heterocyclic Drugs Synthesis Review
Thanks for the share!
A few interesting (long forgotten) steps here and there.
But: "so many po ... |
8-11-2022 at 07:24
by: Pumukli |
TLC challenge
Fulmen: Good point! (Not the coffee thing, ha-ha.) Hm, I may try next time a more controlled sampli ... |
3-11-2022 at 22:36
by: Pumukli |
TLC challenge
Are you asking me? I thought that I ask and you answer! 
But you are right, the eluent system ... |
3-11-2022 at 12:46
by: Pumukli |
TLC challenge
I'm playing with something (an organic preparation) nowadays and made a TLC sheet in the morning.
I ... |
3-11-2022 at 11:41
by: Pumukli |
Synthesis of malonic acid
I could not resist and tried to make malonic acid via the nitric acid oxidation of malic acid.
Well ... |
3-11-2022 at 11:08
by: Pumukli |
| [Next Page] |
