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Optimizing Henry reaction conditions (substituted benzaldehydes + nitromethane)
Zinc/HCl is strong enough to reduce a nitro group to an amine? I thought it would stop at the imine/ ...
13-9-2017 at 08:29
by: alking
Optimizing Henry reaction conditions (substituted benzaldehydes + nitromethane)
[rquote=492144&tid=76743&author=Melgar][rquote=492094&tid=76743&author=Crowfjord]I'v ...
12-9-2017 at 16:24
by: alking
Does this seem a safe and effective way to alkylate ammonia?
I do not have access to iodine in sufficient quantities, so bromides are my only route. I could poss ...
12-9-2017 at 11:52
by: alking
Does this seem a safe and effective way to alkylate ammonia?
I'm revisting this synthesis starting from isopropylamine. I've successfully made n-ethyl-n-isopropy ...
11-9-2017 at 16:22
by: alking
What makes Nitromethane yellow?
How real is the risk of that occurring, and how would one either treat it after, stabilize it before ...
11-9-2017 at 05:15
by: alking
What did I make from bromoethane that smells fruity/flourescent?
I don't know what isopropyl acetate smells like, but it definitely doesn't smell like ethyl acetate, ...
11-9-2017 at 05:13
by: alking
Optimizing Henry reaction conditions (substituted benzaldehydes + nitromethane)
Awesome write up! Well done. I've wondered about a lot of these things myself, some I figured out, a ...
11-9-2017 at 05:11
by: alking
What did I make from bromoethane that smells fruity/flourescent?
You're probably right, that seems pretty likely. I guess it reacted with whatever oxygen was in the ...
9-9-2017 at 15:13
by: alking
What did I make from bromoethane that smells fruity/flourescent?
Floralescent, yes! I knew flourescent meant to glow/emit light, but I didn't know what word conveyed ...
9-9-2017 at 09:54
by: alking
What did I make from bromoethane that smells fruity/flourescent?
I've been trying to make some nn-diisopropyl-n-ethylamine. I made some bromoethane and reacted it wi ...
8-9-2017 at 15:52
by: alking
A step by step of molecular distillation
Awhile back I searched high and low for a lesson or demonstration of a molecular or short path disti ...
7-9-2017 at 07:47
by: alking
What makes Nitromethane yellow?


1.) It doesn't rule it out, pure liquid NO2 is probably red or some rather dark shade of orange ...
6-9-2017 at 11:10
by: alking
What makes Nitromethane yellow?
If it's NO2 you should be able to boil it off and the NO2 will outgas. Of course I wouldn't bother u ...
6-9-2017 at 07:36
by: alking
3A seives (and others 4A, 5a, x11, x13 and more) - about $6/lb
I'll probably get a kilo or two of 3A and/or 4A, it'd be great to have plenty of extras on hand.
5-9-2017 at 05:37
by: alking
Decarboxylation of amino acids (phenylalanine, tryptophan) in various solvents
After working it up my yield was actually near 0%. There was a small amount of tryptamine formed fro ...
4-9-2017 at 11:07
by: alking
Decarboxylation of amino acids (phenylalanine, tryptophan) in various solvents
[quote]A quick Google for "tryptamine hydrochloride" turns up several suppliers selling it, includin ...
3-9-2017 at 10:47
by: alking
Decarboxylation of amino acids (phenylalanine, tryptophan) in various solvents
I don't have time to look into that now, but I'll check it out later, thanks for the link. I thought ...
1-9-2017 at 07:00
by: alking
Decarboxylation of amino acids (phenylalanine, tryptophan) in various solvents
Melgar, what temperature was your bath with the DMSO? I recently tried to decarboxylate tryptophan w ...
31-8-2017 at 16:40
by: alking
isopropylamine alkylation w/bromoethane not going as expected
A base catalyst is preferred, yes, but as far as I understand it's not required, the reaction will s ...
11-8-2017 at 10:27
by: alking
isopropylamine alkylation w/bromoethane not going as expected
I have been trying to make so diisoproplyethylamine. Initially I tried to reductively aminate aceton ...
11-8-2017 at 08:30
by: alking
Handling possible nitrogen trichloride/dichloramine contaminated DCM
Thanks guys, so it doesn't sound dangerous at all fortunately. I'll wash it with some H2SO4:H2O to n ...
7-8-2017 at 10:29
by: alking
Handling possible nitrogen trichloride/dichloramine contaminated DCM
Well that sounds much safer/little to worry about then. Whatever might have formed, if anything, I n ...
4-8-2017 at 12:10
by: alking
Handling possible nitrogen trichloride/dichloramine contaminated DCM
I found a bottle of dichloromethane I set aside to later recover which is contaminated with ammonia. ...
4-8-2017 at 11:30
by: alking
Vacuum Control
Get a ball valve.
30-6-2017 at 07:28
by: alking
Does this seem a safe and effective way to alkylate ammonia?
Thanks, ninhydrin sounds useful indeed, I'll look into that.

Am I correct that normally you woul ...
26-6-2017 at 06:50
by: alking
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