| Search |
| [Next Page] |
The short questions thread (2)
Pyridine will be halogenated to the 3 and 5 positions with difficulty, requiring hot temperatures. S ... |
20-9-2009 at 07:06
by: Klute |
Acetophenones from benzaldehydes?
Ok, shortened the reaction path a little. I remebered reading about reacting benzaldehyde with TCCA ... |
19-9-2009 at 19:51
by: Klute |
How does bromination catalyzed by red phosphorus work?
Well, my interest in this reaction is mainly for a-bromopropionyl bromide, considering I have acetyl ... |
19-9-2009 at 18:02
by: Klute |
How does bromination catalyzed by red phosphorus work?
Yes, that's the whole point: as it initates the reaction, how can it form stoechiometric amounts of ... |
19-9-2009 at 16:22
by: Klute |
The short questions thread (2)
40% aqueous alkyl halide solution? What alkyl halide is soluble to the extent of 40% in water? Are y ... |
19-9-2009 at 14:23
by: Klute |
How does bromination catalyzed by red phosphorus work?
Yes, I was aware of the formation of hypophosphorus acid, and it's reaction mecansim, including the ... |
19-9-2009 at 13:59
by: Klute |
Preparation of solid aluminium isopropoxide
Thanks for the ref, nice book! But unfortunaly I can't use it as is, I have to remove the ispropyl a ... |
19-9-2009 at 13:55
by: Klute |
How does bromination catalyzed by red phosphorus work?
We all know that a-bromination of acids can occur using bromine and catalytic amounts of red P, as d ... |
19-9-2009 at 06:27
by: Klute |
Preparation of solid aluminium isopropoxide
I'm planning on trying out an [url=http://en.wikipedia.org/wiki/Oppenauer_oxidation]Oppenauer Oxidat ... |
18-9-2009 at 18:14
by: Klute |
Acetophenones from benzaldehydes?
Just realized there is a Org SYn preparation for o-nitroacetophenone using the benzoyl chloride/diet ... |
17-9-2009 at 15:04
by: Klute |
Quick test for presence of oxime and hydrazone?
Well, maybe you could try buffering the solution, to a very slightly acid pH, using acetic acid trie ... |
17-9-2009 at 14:30
by: Klute |
Quick test for presence of oxime and hydrazone?
You're talking of NaBH3CN, right? I had the exact same accident! It really got me panicked as I thou ... |
17-9-2009 at 02:33
by: Klute |
The short questions thread (2)
Hum, I think that refers to anhydrous formaldehyde, not the aqueous solution, overwise it would have ... |
17-9-2009 at 02:29
by: Klute |
The short questions thread (2)
Hum, no I don't think it would be wise to use a primary or secondary amine here, as it will get acyl ... |
16-9-2009 at 03:34
by: Klute |
Quick test for presence of oxime and hydrazone?
He he, well having 500g of hydrated FeCl3, i always try to use it as much as I can! It's a pretty ve ... |
16-9-2009 at 03:28
by: Klute |
Quick test for presence of oxime and hydrazone?
FeCl3 might give a specific color, forming a complexe. Try it out on your imine-species and on a sec ... |
16-9-2009 at 03:09
by: Klute |
The short questions thread (2)
I think you can use excess anhydrous K2CO3 as a substitute, i've done this for acylations and alkyla ... |
16-9-2009 at 02:19
by: Klute |
Acetophenones from benzaldehydes?
Ok, i appears the acylation of diethyl malonate anion looks like the most attracting method.. accor ... |
13-9-2009 at 07:57
by: Klute |
Synthesis of 3-(p-Hydroxyphenyl)-2-Butanone "raspberry ketone"
Interesting alternative, but the preparation of the catalyst requires cyanide, which I do not have, ... |
12-9-2009 at 10:43
by: Klute |
Isocyanide Synthesis
Have a look at the deshydratation systems used here: P2O5 is said to work, triphenylphosphine and CC ... |
9-9-2009 at 20:53
by: Klute |
Pd/C
Damn! Can't wait for that! It would be a delightfull contribution! NERV told me a bit about your wor ... |
9-9-2009 at 15:01
by: Klute |
Alternative Oxidisers in Skraup reaction
Hehe, entropy, your sarcasm is actually pretty funny.. I like the picture of wearing a hat  |
9-9-2009 at 14:55
by: Klute |
The short questions thread (2)
I really advise against using H2S, even in a sealed apparatus. The event of a leak is just too dange ... |
9-9-2009 at 04:40
by: Klute |
Making other cesium salts from cesium alum
Slightly related, I've recently aquired some CsCO3.. what kind of uses have cesium salts, notably i ... |
6-9-2009 at 10:20
by: Klute |
Ozonelabs- Synthesis of Raspberry Ketone
See the raspberry ketone thread in Org Chem section for various catalysts capable of reducing the do ... |
5-9-2009 at 18:39
by: Klute |
| [Next Page] |
