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Hydroquinone from Phenol
Thanks Aqua-regia. The permanginate didn't work out. I will try H2O2, will have to concentrate it by ... |
12-11-2016 at 22:27
by: bmays |
Hydroquinone from Phenol
I read H2O2 in presence of acid produces catechol and hydroquinone. However H2O2 also oxidizes hydro ... |
9-11-2016 at 00:01
by: bmays |
Potassium Salt of Acetonedicarboxylic Acid Monomethyl Ester
Have you tried? Extract the methyl ester with ether? The problem is if water is present the ester wi ... |
3-11-2016 at 17:31
by: bmays |
Secondary amine mannich condensation + ring formation.
Right. Never done an N-demethylation, cyanogen bromide sounds interesting and not too hard to prepar ... |
1-11-2016 at 01:10
by: bmays |
Secondary amine mannich condensation + ring formation.
Ahh i thought it looked like a michael addition, azide to methylene. Indeed quite a nice way of buil ... |
30-10-2016 at 14:49
by: bmays |
Secondary amine mannich condensation + ring formation.
Cas: 41661-47-6
Sorry my first post probably generated the confusion it was poorly thought out. I w ... |
29-10-2016 at 21:10
by: bmays |
Secondary amine mannich condensation + ring formation.
True. Yes i've read the acidity of the 1, 3 poistions of acetonedicarboxic acid helps speed up the r ... |
29-10-2016 at 17:57
by: bmays |
Potassium Salt of Acetonedicarboxylic Acid Monomethyl Ester
H2SO4 could be used to oxidize then also form the methyl ester, but i tried and it doesn't work so w ... |
29-10-2016 at 13:12
by: bmays |
Secondary amine mannich condensation + ring formation.
CuReUS you're right it would have been 5th not 4th substitution. Yes another oversight ketenes are h ... |
26-10-2016 at 19:01
by: bmays |
Secondary amine mannich condensation + ring formation.
If a mannich condensation was carried out between dimethylamine, formaldehyde, and methyl ethyl keto ... |
24-10-2016 at 19:45
by: bmays |
Bottling hcl gas?
[rquote=459951&tid=66466&author=aga]
Seems you can get 'em Large ...
[/rquote]
lmfao
[E ... |
3-9-2016 at 14:06
by: bmays |
Acetonedicarboxylic acid preparation using oxone instead of sulfuric acid.
I have made a series of attempts. First was roughly 15g of anhydrous citric acid in 50ml hardware st ... |
3-9-2016 at 11:42
by: bmays |
Acetonedicarboxylic acid preparation using oxone instead of sulfuric acid.
I've having trouble isolating the product. Any ideas?
The sulfuric acid method did not work out ... |
1-9-2016 at 12:01
by: bmays |
Acrylic acid
Thanks PH Z. That seems like it would be a good route, if only acrylic acid wasn't miscible in water ... |
16-7-2016 at 00:45
by: bmays |
Acrylic acid
Sorry Cureus your last link outlined the reaction conditions. I missed that yesterday. |
11-7-2016 at 22:33
by: bmays |
Acrylic acid
Thanks Cureus. i think i will keep a cork in it until i get an HOCl scavenger and do some further re ... |
10-7-2016 at 18:37
by: bmays |
Acrylic acid
I have found patents (US8252960) which show acrolein is oxidized by air via a large variety of catal ... |
9-7-2016 at 20:41
by: bmays |
Gears
wow man you're giving me nostalga. When i was a kid i would rip apart VCRs, a photocopier, printers, ... |
8-7-2016 at 18:12
by: bmays |
Bottling hcl gas?
Setting up a gas generator isn't hard but its still annoying when you do many small experiments, esp ... |
8-6-2016 at 15:25
by: bmays |
Paraformaldehyde from methanol
Very nice. I use one of those controllers for a hotplate hot air bath. I was thinking of my argon we ... |
28-4-2016 at 11:09
by: bmays |
Paraformaldehyde from methanol
[rquote=446438&tid=66041&author=nux vomica]I get 28% to 32% formeldehyde useing a silver C ... |
24-4-2016 at 16:05
by: bmays |
Paraformaldehyde from methanol
I've been using this book as a ref.
http://library.sciencemadness.org/library/books/formaldehyde.pd ... |
22-4-2016 at 17:36
by: bmays |
Synth Difficulty- Proprionic anhydride.
Fentanyl is outside of my grasps imo, looks hard as lsd. For drugs mdxx is the next step for me anyw ... |
12-5-2015 at 12:31
by: bmays |
Synth Difficulty- Proprionic anhydride.
I have been having an annoyingly difficult time preparing proprionic anhydride. First try was a dry ... |
11-5-2015 at 22:33
by: bmays |
Boron Tribromide from Boron and Bromine in grey iron pipe?
Indeed. I wonder if the bromine would eat straight through and breech the pipe. Now that would be a ... |
16-10-2014 at 14:37
by: bmays |
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