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.1 M Water?
I am trying it your method today. Previously I just decided to throw in a 1:2 eq h2o:etoh, and the r ...
6-5-2013 at 12:15
by: GreenD
.1 M Water?
If only they would have thrown in "respectively"
6-5-2013 at 10:11
by: GreenD
Solid-Liquid Azeotropic Distillation
This paper
http://www.ncbi.nlm.nih.gov/pubmed/18498150

describes a procedure:
"The product was ...
25-4-2013 at 14:11
by: GreenD
.1 M Water?
Well the paper literally skims over this, as it is a "general procedure" and says
"Reagent A - 1eq ...
24-4-2013 at 19:57
by: GreenD
.1 M Water?
Bit confused.
Paper calls for a solution of reagents - (1eq and 1.2 eq - not that it matters) but ...
23-4-2013 at 14:05
by: GreenD
Physical Chemistry Software
Hey all.
I'm wondering if anyone has preferences for molecular modeling software. I have a molecule ...
16-4-2013 at 09:34
by: GreenD
5000mL distillation
depends... do you have 2 setups?
If you have two set ups the 2x2000mL is going to go at less than h ...
3-4-2013 at 23:26
by: GreenD
drying tube... odd configuration
I don't get it, whats the point of the curvature
3-4-2013 at 23:24
by: GreenD
drying tube... odd configuration
Hey, I've only worked with drying tubes once before and they were simple and straight like this:

...
3-4-2013 at 09:38
by: GreenD
Regeneration of carbodiimides
Whoa:
"Procedure for regeneration of PS-cyclohexylcarbodiimide (PSCC). The polymer bound cyclohexyl ...
27-3-2013 at 10:59
by: GreenD
Regeneration of carbodiimides
Hey,

I'm trying to find a good general procedure for regenerating carbodiimides from the urea pro ...
27-3-2013 at 10:44
by: GreenD
Odd ratio, help?
A paper is suggesting column chromatography:
"...(Silica gel, 230-400 mesh, [b]Et[sub]2[/sub]O/pent ...
25-3-2013 at 13:45
by: GreenD
microscale column chromatography
Preparative TLC sounds like a great option, thanks very much.
14-3-2013 at 19:23
by: GreenD
microscale column chromatography
[rquote=277768&tid=23681&author=kristofvagyok]The only important thing is to use really fine ...
14-3-2013 at 10:26
by: GreenD
microscale column chromatography
I have done on pasteur pipettes, but it was only to achieve a truly crude product.

Thanks guys. ...
14-3-2013 at 10:24
by: GreenD
Latest chemical order?
Benzyl Amino Purine
13-3-2013 at 12:18
by: GreenD
microscale column chromatography
General question, have any of you done column chromatography with small amounts of compounds - 5-20m ...
13-3-2013 at 12:12
by: GreenD
SOCL2 -> Acid Chloride... Overnight?
Attempted again;
5g 0-methoxybenzoic acid was added to 25mL SOCl2 and the reaction stirred and brou ...
20-2-2013 at 10:17
by: GreenD
Nitriles - nucleophilic or electrophilic
PRetty clear, thanks.
15-2-2013 at 16:09
by: GreenD
Nitriles - nucleophilic or electrophilic
A friend made the claim that the Nitrogen of a nitrile would be nucleophilic, like the oxygen of a c ...
15-2-2013 at 15:40
by: GreenD
SOCL2 -> Acid Chloride... Overnight?
So.. Do you have any idea what I synthesized there?

I am out of LC/MS solvent at the moment but ...
11-2-2013 at 16:23
by: GreenD
SOCL2 -> Acid Chloride... Overnight?
Lo Siento.

The reaction was simple;

5g of o-methoxybenzoic acid was dissolved in 50mL of Thion ...
11-2-2013 at 10:38
by: GreenD
SOCL2 -> Acid Chloride... Overnight?
Totally lost now.

Tried to distill off the liquid, and the current temperature reading is 110°C. ...
10-2-2013 at 10:26
by: GreenD
SOCL2 -> Acid Chloride... Overnight?
I had a reaction of SOCl2 in with a benzoic acid which is reported to be quantitative under reflux f ...
10-2-2013 at 09:52
by: GreenD
Esterification scale-up = problems?!
So letting the reaction run over night, it went to completion.

For my work up I simply cool the ...
24-1-2013 at 10:50
by: GreenD
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