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Amide reduction: LiAlH4 vs BH3
Yes, please post the ref! I prefered using a method published for my amine or its derivatives at fi ... |
28-7-2009 at 08:43
by: Klute |
2-bromopropionyl chloride
Yes, there is some losses di to the volatility of the acyl chloride, didstilling it would have offer ... |
28-7-2009 at 08:41
by: Klute |
Forming oxalte salts of amines
Thanks for the tips Grind!
Arrhenius, what makes you say my material is not pur? I will be doing ... |
28-7-2009 at 08:40
by: Klute |
Forming oxalte salts of amines
Of course, 2-(N-methyl-N-phenethylamino)-N-phenyl-propylamine.
The citrate worked pretty well, bu ... |
28-7-2009 at 00:53
by: Klute |
Forming oxalte salts of amines
The MgSO4/HCl/Ey2O works wonders! I folowed the article's indications, although more than 13g of M ... |
27-7-2009 at 03:06
by: Klute |
Forming oxalte salts of amines
I tried it out wxith toluene but got notable decomposition, obtaining cristals contaminated with tar ... |
27-7-2009 at 01:51
by: Klute |
Forming oxalte salts of amines
You've tried it out yourself? Hox concentrated was the anhydrous acid? |
26-7-2009 at 04:25
by: Klute |
Forming oxalte salts of amines
Unfortunaly, no. If you use the dihydrate, or wet solvents, you get a uncristallizable oil, even tri ... |
25-7-2009 at 16:33
by: Klute |
Forming oxalte salts of amines
Interesting paper. I will try it soon. I don't know how much HCl will be lost with the MgSO4 though. ... |
25-7-2009 at 13:47
by: Klute |
Forming oxalte salts of amines
Having problems with cristallizing sulfate salts of amines, which often result in gummy semi-liquid ... |
25-7-2009 at 11:14
by: Klute |
peracetic acid + toluene incompatibility?
The peracid molecule will be propelled in the organic layer. Appart from that, no reaction. |
23-7-2009 at 20:03
by: Klute |
Easy anhydrous AlCl3 production
You should have tried to sublim the solid! So is it anhydrous AlCl3? What was the weight loss? |
23-7-2009 at 19:59
by: Klute |
Amide reduction: LiAlH4 vs BH3
Workup:
The flask was cooled in a ice bath, then 8,1mL of dH2O added very slowly, causing vigorou ... |
22-7-2009 at 09:54
by: Klute |
Amide reduction: LiAlH4 vs BH3
Hum, not too much in electrochemistry. I wait to see real results before considering it as a prepara ... |
22-7-2009 at 02:49
by: Klute |
tribromoacetyl chloride
[rquote=158256&tid=12552&author=chemrox] Nice thread by the way.. lots of chemistry discuss ... |
21-7-2009 at 20:58
by: Klute |
tribromoacetyl chloride
Well, it common practice to get reagents from sigma and acros here at work, but indeed local supplie ... |
21-7-2009 at 20:49
by: Klute |
Tour My Lab
Whoa! Is this in France? ANd what are your plans with oxalyl chloride and sulfuryl chloride?
[Edite ... |
21-7-2009 at 11:47
by: Klute |
Tour My Lab
Great lab! Where did you get that bottle of N2? Did you pay alot for it? |
21-7-2009 at 11:39
by: Klute |
Easy anhydrous AlCl3 production
Nice find! Using triethylamine looks like a good alternative, with a lower bp, and it's pretty chea ... |
21-7-2009 at 11:32
by: Klute |
Amide reduction: LiAlH4 vs BH3
Hum, stirring for 72h seems pretty long to me... Better throw in some LiAlH4 and reflux overnight ... |
21-7-2009 at 11:16
by: Klute |
tribromoacetyl chloride
For my job... I will be acylating a lithium amide salt afterwards. The acyl chloride is more expens ... |
21-7-2009 at 10:50
by: Klute |
Amide reduction: LiAlH4 vs BH3
I simply don't have any! And I prefered sticking to the ref for the first try.. Did it by the book! ... |
21-7-2009 at 08:32
by: Klute |
Amide reduction: LiAlH4 vs BH3
I decided on using LiAlH4 to start with, as I realized i have 100mmol of amide to reduce, so this wo ... |
21-7-2009 at 08:00
by: Klute |
2-bromopropionyl chloride
This acyl chloride was prepared from the acid and thionyl chloride. This is a very genral procedure, ... |
21-7-2009 at 07:52
by: Klute |
tribromoacetyl chloride
Yes, forming an amide seems like a good idea. I can then check by TLC if there is some acid left... ... |
20-7-2009 at 20:55
by: Klute |
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