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hydrogenolysis with lithium aluminium hydride
I've done something like this, albeit starting from the ester to get down to the alkane (was install ... |
12-1-2019 at 07:34
by: DDTea |
Extraction of 5-HTP and decarboxylation to serotonin?
This is a very old thread but it is one of the first search results for "5-hydroxytryptophan extract ... |
10-1-2019 at 21:57
by: DDTea |
First attempt Grignard since Ochem II cyclopentyl bromide
Everyone seems to have their own tricks for running Grignard reactions. A few I've come across: tr ... |
15-4-2018 at 20:16
by: DDTea |
Water pump problem
Yeah, it sounds as if the pump isn't strong enough. Maybe try siphoning from the condenser's water ... |
7-1-2017 at 18:39
by: DDTea |
Nitrogen adds to Double Bond
Searching for terms like "carboamination" and "hydroamination" will turn up a lot of methodology, wi ... |
7-1-2017 at 16:57
by: DDTea |
Is inert gas mandatory for handling DIBAL?
Non-pyrophoric limit for DIBAL-H is 20% in solvent. 1 mol/100 mL toluene = approximately 60 wt%. ... |
6-1-2017 at 15:50
by: DDTea |
Tosylation of ethanolamine (??)
I recommend more like 3 - 4 equiv TsCl to 1 equiv ethanolamine. After the initial exotherm, try heat ... |
4-1-2017 at 05:47
by: DDTea |
Hydroquinone from p-DCB
It would have been a great reaction if it worked. And it turns out, you aren't the first one to wan ... |
3-1-2017 at 17:06
by: DDTea |
"New" catalyst splits CO2 & H2O with little energy.. What is this catalyst?
There is a lot of gobbledy-gook jargon here for the newcomer to the field. The catalyst and Mebim-py ... |
3-1-2017 at 15:51
by: DDTea |
Tosylation of ethanolamine (??)
In my experience with 1,8-octaneditosylate, yellow oil meant "reaction did not go to completion." B ... |
3-1-2017 at 08:00
by: DDTea |
Literature for insight?
[rquote=470264&tid=71433&author=JJay] I am looking for books on how to determine organic rea ... |
28-12-2016 at 19:36
by: DDTea |
Literature for insight?
Robert Grossman - The Art of Writing Reasonable Organic Reaction Mechanisms
has been, by far, th ... |
26-12-2016 at 16:03
by: DDTea |
Plant Material Extraction
You mentioned particulate matter is clogging your frit. Are you using any celite/filter aid? |
23-12-2016 at 15:22
by: DDTea |
synthesis of methyl chloride with phosphorus trichloride
[rquote=469698&tid=71370&author=Metacelsus]First, that equation isn't balanced.
Yes, phos ... |
22-12-2016 at 04:13
by: DDTea |
Deep Eutectic Solvents, safe organolithium and fast alkylation
This is pretty remarkable. I remember the first time I used n-Butyl lithium, which is a pretty mell ... |
17-12-2016 at 19:21
by: DDTea |
Synthetic oils - production and possible feed stocks
[quote]
If synthetic oil needed to be produced and petroleum wasn't available, I'm guessing it coul ... |
17-12-2016 at 17:09
by: DDTea |
Orange liquid from Grignard reaction: what is it?
[rquote=469129&tid=71246&author=Stibnut]
Another yellow liquid came over at about 160 C. ... |
14-12-2016 at 16:08
by: DDTea |
Orange liquid from Grignard reaction: what is it?
[rquote=469048&tid=71246&author=Metacelsus]
Good observation, but wouldn't the esters be ... |
13-12-2016 at 18:24
by: DDTea |
Orange liquid from Grignard reaction: what is it?
You mention that your mixture has an fruity ester odor. Taking this as qualitative evidence for est ... |
13-12-2016 at 15:38
by: DDTea |
H2S preparation
[rquote=468701&tid=71212&author=Sulaiman]
I have watched videos of H[sub]2[/sub]S dangers i ... |
10-12-2016 at 15:04
by: DDTea |
Concentrating HF solution
[rquote=468482&tid=71172&author=PirateDocBrown]
I am no slouch, I have handled boranes, mol ... |
8-12-2016 at 10:26
by: DDTea |
Concentrating HF solution
This is more work than it's worth. Probably the easiest way to do this would be to quench it with C ... |
8-12-2016 at 04:36
by: DDTea |
2 different buchner funnels. please help
apologies, i forgot to actually mention what to use! after discarding the celite, washing with wate ... |
6-12-2016 at 16:16
by: DDTea |
2 different buchner funnels. please help
[rquote=468344&tid=71138&author=macckone]There is a thread on cleaning fritted filters.
Gen ... |
6-12-2016 at 14:45
by: DDTea |
2 different buchner funnels. please help
For the fritted funnel (top), cover the frit with celite. This will pre-filter any coarse particles ... |
6-12-2016 at 11:06
by: DDTea |
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