Sciencemadness Discussion Board
Not logged in [Login - Register]
Go To Bottom

Search
[Next Page]
Aromatic aldehydes using Gattermann Koch Reaction
You're unlikely to find less dangerous conditions. In terms of generating a gaseous reagent ex-situ, ...
12-2-2018 at 05:18
by: DJF90
Aromatic aldehydes using Gattermann Koch Reaction
Your supervisor takes issue with POCl3 but not with CO? I don't know what to say...
11-2-2018 at 13:01
by: DJF90
Aromatic aldehydes using Gattermann Koch Reaction
Vilsmeier conditions would be easier if they're compatible with your substrate.
11-2-2018 at 10:01
by: DJF90
terephthaloyl chloride synthesis (procedure)
You won't be able to add sodium sulfate to the reaction mixture as a dessicant due to the presence o ...
7-2-2018 at 13:05
by: DJF90
terephthaloyl chloride synthesis (procedure)
I'd have a crack at using this methodology, [i]if[/i] you have mechanical stirring:

http://quintu ...
7-2-2018 at 08:51
by: DJF90
Red vs yellow PbO & some other Pb oxides
Just an additional note - Pb3O4 is actually a mixed valence oxide, 2PbO*PbO2.
3-2-2018 at 11:28
by: DJF90
Titanium Tetra-chloride Bottling
Freeze the sample in the ampoule using a dry ice-acetone bath, vac/purge the headspace with argon, t ...
26-1-2018 at 04:49
by: DJF90
Preparation of 1,4-Dibromobutane
Nice work Boffis.

I thought you might be interested to know that there is a preparation of trime ...
19-1-2018 at 16:56
by: DJF90
How to get Hydrobromic acid (HBr) from Br2
There is a reliable procedure in OrgSyn using the reduction of bromine with sulfur dioxide, followed ...
19-1-2018 at 02:16
by: DJF90
Issues with Soxhlet set up
[rquote=504014&tid=79704&author=A.Fleming]Yes, i`m trying to head down to more interesting r ...
16-1-2018 at 13:31
by: DJF90
Carbamate Synthesis
TFA and DCM are miscible in all proportions from personal experience.
15-1-2018 at 07:17
by: DJF90
Catechol preparation
Magpie, its hard to go wrong with an OrgSyn procedure. I'd say pick whichever one is most accessible ...
10-1-2018 at 08:01
by: DJF90
Substitute for piperidine in this reaction
Try pyrrolidine if you have it. If not it can be made from proline by decarboxylation - I think Scr0 ...
6-1-2018 at 06:09
by: DJF90
Preparation of Methyl Iodide Using HCl Gas
Actually KiWiki, theres a nice write up in the Prepublications section on the preparation of MeI usi ...
19-12-2017 at 08:40
by: DJF90
Diethylamine Hydrochloride Synthesis
Apologies, I clearly misread the target wrong.

In any case, you might be better off running the ...
17-12-2017 at 16:07
by: DJF90
Diethylamine Hydrochloride Synthesis
[rquote=490416&tid=24131&author=JJay]I'm doing a simple distillation right now, but I don't ...
17-12-2017 at 15:23
by: DJF90
Large Li-ion battery packs, compact jump starters and truth in advertising?
The one I have doesn't require any "warm-up period" - you hook it up and turn the ignition. It has n ...
16-12-2017 at 09:05
by: DJF90
Large Li-ion battery packs, compact jump starters and truth in advertising?
I have one of these: https://www.amazon.co.uk/gp/aw/d/B01KZFUW98?psc=1&ref=yo_pop_mb_pd

I bou ...
15-12-2017 at 15:12
by: DJF90
Addition of HCl to Propenoic acid
[rquote=499905&tid=78823&author=LearnedAmateur]I know it's not the same mechanism as what is ...
9-12-2017 at 14:44
by: DJF90
Preparation of Diethyl Sulfate
Magpie, the reference for the paper is [i]JACS[/i] [b]1924[/b] [i]46[/i] (4) pp. 999 to 1001. I've a ...
8-12-2017 at 03:17
by: DJF90
Preparation of Diethyl Sulfate
Nice work Magpie. If you have the paper perhaps you could attach it to your post for convenience (al ...
7-12-2017 at 11:40
by: DJF90
can anyone describe the smell of hbr or hydrobromic acid?
I find it smells quite fruity actually, but you'd want to avoid breathing it if possible
5-12-2017 at 14:23
by: DJF90
Cobalt compounds
[rquote=499490&tid=78561&author=Tetra][rquote=499435&tid=78561&author=DraconicAcid][ ...
5-12-2017 at 09:11
by: DJF90
The Trouble with Boron
Melting means less surface area which means incomplete dehydration to boric oxide. There is a prepar ...
4-12-2017 at 11:19
by: DJF90
Preparation of Thionyl Chloride
[rquote=499360&tid=78645&author=AJKOER]
Per Watts, a curious lesser known path to SOCl2 cla ...
4-12-2017 at 10:10
by: DJF90
[Next Page]

  Go To Top