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ph raising
This post sucks.
16-3-2015 at 05:26
by: madscientist
heating lithium aluminum hydride with heating mantle
I have extensive experience with LAH reductions - AlH<sub>3</sub> solves the issues with ...
14-3-2015 at 01:56
by: madscientist
Isocyanide Synthesis
[rquote=198268&tid=12774&author=Fleaker]Isocyanides and isocyanates are both bad news. I'd k ...
6-3-2015 at 23:15
by: madscientist
Experimental: Alternative to Al/Hg - the Al/Cu
While cursing at some stubbornly slow reactions yesterday (that needed to be done the day before yes ...
16-5-2014 at 02:55
by: madscientist
Dimethylation of tryptamine via formaldehyde/STAB
I agree that the Pictet-Spengler reaction is probably tanking the yield. There's a lot of misconcept ...
14-5-2014 at 21:23
by: madscientist
Do stronger bases create stronger nucleophiles?
Basicity is thermodynamic, nucleophilicity is kinetic. Strong bases can be poor nucleophiles, and vi ...
14-5-2014 at 20:58
by: madscientist
Experimental: Alternative to Al/Hg - the Al/Cu
Better than many of the alternatives, that's for sure. But don't let any copper salts go down the dr ...
14-5-2014 at 10:32
by: madscientist
Versatile "new" enamine synthesis
One relatively simple method of making imines, particularly N-aryl imines, is to throw an isocyanate ...
14-5-2014 at 10:19
by: madscientist
Getting your product out of 1-octanol
I'd just go with the rotavap, you're going to spend way more time fiddling around with these other m ...
14-5-2014 at 10:16
by: madscientist
Secondary amine Acylation
Generally when using acyl halides that have an alpha proton (so almost anything except benzoyl chlor ...
14-5-2014 at 10:12
by: madscientist
Lewis Acid/Base Interactions and Product Stabilization(Solvent Effects)
[quote]However, can lewis acids and lewis bases without reacting, 'coordinate' with one another to a ...
14-5-2014 at 10:09
by: madscientist
How do I go about separating a metal - phosphine complex from amines in the organic phase?
Separations like these usually, yes, require chromatography. Phosphines (and phosphine oxides in par ...
14-5-2014 at 08:16
by: madscientist
Experimental: Alternative to Al/Hg - the Al/Cu
Usually to do that you have to turn the phenol into an aryl triflate, oxidatively add it onto a meta ...
14-5-2014 at 07:47
by: madscientist
polyvinyl azide?
[rquote=302048&tid=23061&author=AndersHoveland][rquote=302001&tid=23061&author=Dubai ...
14-5-2014 at 00:54
by: madscientist
Please do not "play" with Organic Peroxides.
Yep, that's it.
9-7-2013 at 18:23
by: madscientist
Iron Perchlorate
AndersHoveland, I am not sure how you came to the conclusion that a single statement pointing out a ...
9-7-2013 at 04:34
by: madscientist
Please do not "play" with Organic Peroxides.
[rquote=291042&tid=24834&author=Antiswat]and then you guys keep on saying that this compound ...
8-7-2013 at 19:49
by: madscientist
Please do not "play" with Organic Peroxides.
[rquote=290575&tid=24834&author=chemcam][rquote=290519&tid=24834&author=madscientist ...
3-7-2013 at 22:09
by: madscientist
Lovely Smells
Cadaverine butyrate - roses.
2-7-2013 at 21:27
by: madscientist
Please do not "play" with Organic Peroxides.
Your analogies fail to sufficiently describe the hazards of organic peroxides. More appropriate woul ...
2-7-2013 at 19:44
by: madscientist
Column chromatography problem
Methanol releases a lot of heat when it hits silica. This is probably the issue, so just prepare a s ...
2-7-2013 at 05:19
by: madscientist
Please do not "play" with Organic Peroxides.
Liquids have the advantage that they don't have a crystal structure to shatter (which bears the risk ...
1-7-2013 at 03:02
by: madscientist
Mixing HMTD with urea nitrate or ammonium nitrate
[rquote=289580&tid=20277&author=AndersHoveland]Are you sure it is sensitivity that becomes h ...
1-7-2013 at 02:53
by: madscientist
pyridine reduction
[rquote=289933&tid=24812&author=AndersHoveland][rquote=289930&tid=24812&author=DJF90 ...
1-7-2013 at 02:28
by: madscientist
Anhydrous perchloric acid ?
Woelen speaks the truth.

With quantities like 20g, I wouldn't even trust a blast shield to provi ...
1-7-2013 at 02:18
by: madscientist
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