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Question regarding stability of carbocations...
III is more stable than I, due to resonance. Any resonance will stabilize a cation (or anion), but a ... |
28-6-2013 at 06:42
by: sonogashira |
Question regarding stability of carbocations...
Did you consider the extra stability of aromatic cations, having 4n + 2 pi electrons? |
28-6-2013 at 06:33
by: sonogashira |
Most effective solvent for coked carbon deposits.
Hot concentrated sulphuric acid will oxidize any carbon containing substance. |
28-6-2013 at 03:30
by: sonogashira |
Isolating adipic acid
You seem to have lost interest, but lead adipate is insoluble, if it is of any use to someone else: ... |
27-6-2013 at 17:35
by: sonogashira |
diethylamine hcl appearance seems weird
It is hygroscopic as the hydrochloride. Wash it with cold absolute EtOH or cold 1:1 dichloroethane/M ... |
27-6-2013 at 14:05
by: sonogashira |
Oh yeah, no reason to be paranoid...
A suspicious government is a weak government. One cannot travel to the US without having their finge ... |
26-6-2013 at 04:52
by: sonogashira |
Reductive amination with zinc Zn
Giovanni B Giovenzana, Daniela Imperio, Andrea Penoni, and Giovanni Palmisano. |
21-6-2013 at 23:21
by: sonogashira |
Click Chemistry
[rquote=288752&tid=24726&author=Carabistouilles]
The problem is there is Cu residual in my ... |
21-6-2013 at 02:41
by: sonogashira |
Reductive amination without Pictet Spengler: Lilienthal's method?
Are you researching the synthesis of 5-(sulfamoylmethyl)indoles? |
21-6-2013 at 02:37
by: sonogashira |
Dimethyl Sulfate, cheapest preparation, OTC !
Unless one specifically needs dimethyl sulphate, and instead requires merely a means of methylation, ... |
21-6-2013 at 02:05
by: sonogashira |
Amazon experiences
Looks like a scam. |
4-6-2013 at 09:59
by: sonogashira |
Build your own Gas Chromatograph
[rquote=285465&tid=24110&author=Harristotle]Column: who made columns before ebay? labs = us ... |
25-5-2013 at 05:40
by: sonogashira |
Identifying an unknown
[rquote=285536&tid=24358&author=chemico]
6. I am not sure if heating to melting point is sa ... |
24-5-2013 at 09:37
by: sonogashira |
Identifying an unknown
On second thoughts, the fastest and easiest thing to do would be to take a melting point (or decompo ... |
24-5-2013 at 09:30
by: sonogashira |
Identifying an unknown
You wouldn't have to perfect the solvent systems for each substance(!), just for the ONE that you ar ... |
24-5-2013 at 04:16
by: sonogashira |
Possible reaction of a ketal with a Grignard reagent?
[rquote=285441&tid=24365&author=rudy090992]Couldn't find anything with google. [/rquote]Try ... |
24-5-2013 at 03:51
by: sonogashira |
University of Illinois researchers have created an app and a sensor-filled cradle that turn an iPhone into a mobile spectrophoto
It's unfortunate that mobile telephones aren't allowed in chemical laboratories. 
[Edited on 24-5 ... |
24-5-2013 at 03:45
by: sonogashira |
Identifying an unknown
If it is definitely one of a known-group of chemicals, then I would just do thin layer chromatograph ... |
24-5-2013 at 03:16
by: sonogashira |
Identifying an unknown
You may be right.
(If you get cisplatin with an anomalous melting point then don't say you weren ... |
24-5-2013 at 02:52
by: sonogashira |
Identifying an unknown
[rquote=285467&tid=24358&author=adamsium]. This means that it can be assumed that the sample ... |
24-5-2013 at 02:35
by: sonogashira |
Identifying an unknown
I would recommend that you Google (and download) Vogel's Qualitative Inorganic Analysis.
You wil ... |
24-5-2013 at 01:19
by: sonogashira |
Build your own Gas Chromatograph
What gas are you using? You will get a much greater separation if you use a liquid stationary phase. ... |
23-5-2013 at 12:31
by: sonogashira |
possible to perform Grignard with no solvent?
[rquote=283071&tid=24105&author=BromicAcid]have you seen literature where a Grignard was act ... |
4-5-2013 at 09:41
by: sonogashira |
possible to perform Grignard with no solvent?
DCM is a useful solvent for some Grignard reactions. There are many literature examples where it is ... |
4-5-2013 at 02:40
by: sonogashira |
modafinil with bad melting point
Perhaps you have oxidized the amide? http://en.wikipedia.org/wiki/Adrafinil
[Edited on 20-4-2013 by ... |
20-4-2013 at 03:41
by: sonogashira |
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