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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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