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Mandelic acid
AFAIK you can make mandelic acid from benzaldehyde and chloroform in the presence of a strong base l ... |
26-9-2010 at 10:34
by: Hexagon |
Isopropylamine and Diisopropylamine from Acetone
[rquote=187711&tid=14442&author=madscientist]The isopropylamine won't separate, it's miscibl ... |
17-9-2010 at 07:53
by: Hexagon |
Isopropylamine and Diisopropylamine from Acetone
[rquote=187648&tid=14442&author=mario840]yes but i wonder if this "method" works , amine wil ... |
17-9-2010 at 05:41
by: Hexagon |
Isopropylamine and Diisopropylamine from Acetone
In fact aq. sodium hydroxide works while activating aluminum on a microwave asisted pinacol coupling ... |
16-9-2010 at 12:13
by: Hexagon |
Isopropylamine and Diisopropylamine from Acetone
Havent done it, but roundup is a glifosate salt of isopropylamine (or ammonia, more rare) in aqueous ... |
15-9-2010 at 12:52
by: Hexagon |
Isopropylamine and Diisopropylamine from Acetone
If you want monoisopropylamine, Roundup is the way to go, 3 or 4 euros per mole of iPrNH2 is too exp ... |
15-9-2010 at 04:29
by: Hexagon |
Manganous-Ammonium alum and derivatives for use of toluene oxidation to benzaldehyde
I've got no direct experience with neither of them, but the original manganese alum procedure seems ... |
10-9-2010 at 16:57
by: Hexagon |
Manganous-Ammonium alum and derivatives for use of toluene oxidation to benzaldehyde
So, back to the manganese sulfate + ammonium sulfate cell? |
7-9-2010 at 03:57
by: Hexagon |
Hotplate / stirrer - Is it a good investment?
Get one from China for 125-150 dollars, 220 V current of course.
Check MS-300 OR 400, I dont own ... |
30-8-2010 at 08:48
by: Hexagon |
Piperic acid oxidation to Piperonal
AFAIK the adduct you are trying to make is fucked up at anything but neutral conditions, so in the c ... |
27-8-2010 at 13:41
by: Hexagon |
Hydroxylamine HCl synthesis question
Have you tried adding CaCl2? Calcium salts use to be more insoluble than it's sodium or potassium co ... |
26-8-2010 at 03:51
by: Hexagon |
Piperic acid oxidation to Piperonal
[rquote=186176&tid=13857&author=cheeseandbaloney]I would think the reason the oxidation of p ... |
26-8-2010 at 00:22
by: Hexagon |
Piperic acid oxidation to Piperonal
Yep I've been out without regular access to internet connection this days, there you have your u2u, ... |
25-8-2010 at 10:56
by: Hexagon |
Piperic acid oxidation to Piperonal
[rquote=186071&tid=13857&author=Gualterio_Malatesta]Why would you need piperine?
Are you ... |
24-8-2010 at 09:16
by: Hexagon |
Stainless steel in microwave oven
On this same topic, would it be a good idea to put a magnet inside of a microwave? The idea would be ... |
10-8-2010 at 16:53
by: Hexagon |
diiodomethane
In the entry for DIM at the merck index you've got a reference for the synthesis of that same substa ... |
31-7-2010 at 02:16
by: Hexagon |
Piperic acid oxidation to Piperonal
jefferson987, did you tried an hexane:acetone (2:3) mixture for the recrystalization? I just extract ... |
17-5-2010 at 15:09
by: Hexagon |
Pepper to Piperine problem
My tech on pepper to crude piperine:
50 grams of powdered black pepper are stirred with 250 mls o ... |
13-5-2010 at 18:06
by: Hexagon |
