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Eschweiler–Clarke vs Leuckart reaction
Is it possibile to predict which of these reactions will take a place with α-amino ketones? If it i ... |
9-5-2018 at 07:27
by: biomechem |
Homogeneous catalysts in condensation, charge
[rquote=506097&tid=80324&author=AvBaeyer][...] By the way, ethylenediamine diacetate is an e ... |
6-2-2018 at 07:34
by: biomechem |
Homogeneous catalysts in condensation, charge
[rquote=506066&tid=80324&author=zed]I once attempted to perform that condensation, using NaO ... |
4-2-2018 at 15:35
by: biomechem |
Homogeneous catalysts in condensation, charge
I wonder if the compound I think of could be used as a catalysts in the following reactions.
R-CH ... |
4-2-2018 at 10:38
by: biomechem |
Amides from urea
Is is possible to obtain every amide in the way acetamide is prepared from acetic acid and urea? I k ... |
7-1-2018 at 12:36
by: biomechem |
Halobenzene as an N-alkylating agent
I couldn't find any info is it possible for halobenzenes to react with primary alkylamines in standa ... |
25-11-2017 at 13:30
by: biomechem |
NMR and detecting CDCl3 insoluble, inorganic mixtures (Mandelin etc.)
Mandelin was just an example of what kind of reagent it could be.
How to determine what kind of su ... |
7-10-2017 at 08:54
by: biomechem |
NMR and detecting CDCl3 insoluble, inorganic mixtures (Mandelin etc.)
Let's say sb has only a few ml of unknown color reagent.
Is 1H NMR method suitable for to discrim ... |
2-10-2017 at 09:04
by: biomechem |
Steam distillation- vapour temperature, vacuum
@wg48
Aldol condensation is obviously catalyzed by both, but in the case I described distilled wate ... |
9-9-2017 at 13:42
by: biomechem |
Steam distillation- vapour temperature, vacuum
@wg48
Okay I've got my answer, when steam distilling temperature will always be lower than a temper ... |
9-9-2017 at 03:04
by: biomechem |
Steam distillation- vapour temperature, vacuum
Hello again,
Does vapour temperature have to exceed a boiling point of a steam-distilled compoun ... |
9-9-2017 at 01:20
by: biomechem |
MS 3A vs 5A drying organic compounds
I could hardly find any info about molecular sieves and its application in drying organic solvents. ... |
12-8-2017 at 12:18
by: biomechem |
IPA + Sulfuric acid -> red color
Why does the mixture of IPA with H[sub]2[/sub]SO[sub]4[/sub] left for some time turns into red color ... |
1-8-2017 at 13:59
by: biomechem |
Chiral centers, racemization of diastereoisomers, name of cpd with 3 chiral atoms.
Hello again,
1. Does the compounds with three chiral centers have special name analogously to dia ... |
19-7-2017 at 22:00
by: biomechem |
Does it exist - Iron cyanate
I wonder if rxn FeCl[sub]3[/sub] + 3KCNO -> 3KCl + Fe(CNO)[sub]3[/sub] occurs. I've been searchin ... |
13-4-2017 at 09:18
by: biomechem |
Acylation with acyl bromide
In the wiki I can read:
[quote]
Acid anhydrides tend to be less electrophilic than acyl chlorides, ... |
3-3-2017 at 13:50
by: biomechem |
Green Solution
A friend of mine who is not a chemist at all told me about one weird method. He weighted about 40 ml ... |
3-3-2017 at 13:19
by: biomechem |
The Short Questions Thread (4)
Predicting yield of Grignard reaction. How do chemists know which rxn will give better yield when th ... |
15-1-2017 at 08:26
by: biomechem |
Modification of Castner–Kellner process - bromine
[rquote=471844&tid=71769&author=Melgar]Br3- would mostly stay away from the cathode, what wi ... |
13-1-2017 at 12:51
by: biomechem |
Modification of Castner–Kellner process - bromine
Is it possible, and relatively easy to obtain bromine in the following process.
In a vertical tube, ... |
13-1-2017 at 07:50
by: biomechem |
Activated carbon properties and reduction with it
[rquote=471538&tid=71650&author=aga]This is an Amateur Chemistry Forum.
Please do not pos ... |
13-1-2017 at 07:10
by: biomechem |
Water pump problem
Rise the bucket a little bit so the pump will be less loaded.
[Edited on 9-1-2017 by biomechem] |
9-1-2017 at 10:54
by: biomechem |
Potassium thiocyanate reduction
[rquote=471337&tid=71686&author=Boffis]? What are you trying to do? Make carbon disulphide f ... |
9-1-2017 at 07:47
by: biomechem |
Potassium thiocyanate reduction
Does the reduction reaction of KSCN with carbon occurs like it is with KCNO? Will water extraction b ... |
8-1-2017 at 11:09
by: biomechem |
Proper Use of Thermocouple
[rquote=471056&tid=71237&author=unionised]The silicone sounds like a good idea- though it wo ... |
6-1-2017 at 10:34
by: biomechem |
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