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Pepper to Piperine problem
Have a look at the photo - do you see the solvent level - where the precipitated crud is about halfw ... |
20-6-2008 at 05:59
by: LSD25 |
Homebuilt re-circulating chiller pump
Here is an interesting idea:
http://en.wikipedia.org/wiki/Gas_absorption_refrigerator
Now they ... |
19-6-2008 at 22:07
by: LSD25 |
NEW!! Dakin-West Synthesis of B-Aryl Ketones
Hang on, there are suggestions here that other substited n-containing bases would work, so why not c ... |
19-6-2008 at 17:31
by: LSD25 |
Pepper to Piperine problem
[quote][i]Originally posted by Nicodem[/i]
No, CaCO3 can not hydrolyze any such amide. It is probab ... |
19-6-2008 at 17:26
by: LSD25 |
Pepper to Piperine problem
I think the majority of the problem with this extraction comes from the names of the various compoun ... |
18-6-2008 at 07:30
by: LSD25 |
Esters and their Synth
Thanks, it is nice to be on the right track for a change |
17-6-2008 at 07:51
by: LSD25 |
Esters and their Synth
This has some potential for making the ethyl ester of benzoic acid in good yields in a short time.
... |
17-6-2008 at 06:59
by: LSD25 |
Synthesis of 3-(p-Hydroxyphenyl)-2-Butanone "raspberry ketone"
Klute, I am on fucking drugs I swear - I meant to write p-methoxybenzaldheyde (anisaldehyde) not p-m ... |
17-6-2008 at 06:30
by: LSD25 |
Pepper to Piperine problem
Looks a lot like what I got years ago when I based the green-yellow alcohol extract with NaOH - let ... |
17-6-2008 at 06:20
by: LSD25 |
Preparation of elemental phosphorus
As to the banning of chemicals here, I'd be fucking suprised if it were possible to source zinc dust ... |
16-6-2008 at 23:08
by: LSD25 |
Aluminum powder synthesis
2 seconds on google found this
http://www.pyrobin.com/files/manufacturing%20of%20flake%20aluminum ... |
16-6-2008 at 22:27
by: LSD25 |
Preparation of elemental phosphorus
Yeah, obviously some concern that suicide bombers were going to start using thermite
Got any nift ... |
16-6-2008 at 20:49
by: LSD25 |
Pyridine synthesis/extraction
Here is a route using copper chromite catalyst - seems rather simple:
[quote]Decarboxylation of N ... |
16-6-2008 at 16:03
by: LSD25 |
Preparation of elemental phosphorus
Nice work Strepta
I converted that to a PDF for you
[Edited on 16-6-2008 by LSD25] |
16-6-2008 at 04:04
by: LSD25 |
Synthesis of 3-(p-Hydroxyphenyl)-2-Butanone "raspberry ketone"
As to the p-hydroxyphenol - anise/fennel essential oil ain't expensive and here's the route:
http ... |
16-6-2008 at 03:22
by: LSD25 |
microwave dehydration of sodium acetate
Not quite on topic, but I'm fucked if I know which one to put it in - if this is the wrong place, pl ... |
16-6-2008 at 00:53
by: LSD25 |
Orthosphosphoric Acid
I only just found this, I have done this reaction many, many times - the polyphosphoric acid you end ... |
15-6-2008 at 18:49
by: LSD25 |
H2SO4 by the Lead Chamber Process - success
Why not just grab an old catalytic converter - the oxidising part thereof is a honeycomb of Pd/Pt on ... |
15-6-2008 at 05:43
by: LSD25 |
Unconventional Shaped Charges
As to the complexity of the weapons, look at this before you dismiss them out of hand as being beyon ... |
15-6-2008 at 04:26
by: LSD25 |
microwave dehydration of sodium acetate
Wouldn't the easiest way be to go via the NaOH/EtOH saponification of ethyl acetate? The only issue ... |
15-6-2008 at 03:36
by: LSD25 |
Acetic anhydride preparation
Yeah, I do like the look of the TsCl route - it has some serious benefits - but although I can get D ... |
14-6-2008 at 22:22
by: LSD25 |
Acetic anhydride preparation
Well it depends upon whether the reaction could be undertaken below the boiling point of MsCl doesn' ... |
14-6-2008 at 19:56
by: LSD25 |
Acetic anhydride preparation
Yeah, whoops - I think the auto-condense procedure in Acrobat is to blame for part of that, I have a ... |
14-6-2008 at 02:54
by: LSD25 |
Unconventional Shaped Charges
Yeah, I know the terminology and I also know the equipment (in an almost biblical sense indeed). I u ... |
13-6-2008 at 07:47
by: LSD25 |
Acetic anhydride preparation
not_important, I do realise that but I was actually in the middle of the post - I'd posted what I ha ... |
13-6-2008 at 06:05
by: LSD25 |
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