| Search |
| [Next Page] |
Demethylation of Vanillin and Eugenol
[rquote=557368&tid=92847&author=clearly_not_atara]Oxygen is a jerk. It always climbs into th ... |
30-11-2018 at 06:49
by: CycloKnight |
Demethylation of Vanillin and Eugenol
After hydrolysis step.
(Previous demethylation step also involved the heating to 100 C. Without in ... |
30-11-2018 at 05:31
by: CycloKnight |
Demethylation of Vanillin and Eugenol
Thanks! Its all sealed, under argon and in a freezer now.
Just completed another eugenol run with ... |
29-11-2018 at 18:40
by: CycloKnight |
Demethylation of Vanillin and Eugenol
Total dried yield is 12 g. The alcohol solution is still showing a strong green FeCl3 indication, pe ... |
29-11-2018 at 06:08
by: CycloKnight |
Demethylation of Vanillin and Eugenol
Update on the latest demethylation experiment, interesting results this evening!
Completed anothe ... |
28-11-2018 at 17:24
by: CycloKnight |
Demethylation of Vanillin and Eugenol
Thanks for the feedback. So far I've tried both 1 hr NaOH (30%) aq reflux and dilute HCl reflux, wit ... |
26-11-2018 at 06:41
by: CycloKnight |
Demethylation of Vanillin and Eugenol
http://shodhganga.inflibnet.ac.in/bitstream/10603/161518/4/03_part%201.pdf
"The work on betel lea ... |
24-11-2018 at 07:05
by: CycloKnight |
Demethylation of Vanillin and Eugenol
Complex decomposition step.
Final reaction mix in the 500 ml RBF. About a third already added to t ... |
23-11-2018 at 08:24
by: CycloKnight |
Demethylation of Vanillin and Eugenol
Just a short update on the procedure I'm now using.
A while back I had the idea of running the e ... |
23-11-2018 at 07:55
by: CycloKnight |
Demethylation of Vanillin and Eugenol
Final fraction mp: 38 C
Condenser solids mp: 48-51 C (some dibenzoyl crystals remained solid)
In ... |
23-11-2018 at 07:47
by: CycloKnight |
Demethylation of Vanillin and Eugenol
Final fraction receiver is on the right. Still crystallizing when the image was taken, soon after co ... |
22-11-2018 at 19:00
by: CycloKnight |
Demethylation of Vanillin and Eugenol
Results from latest vac distillation.
I see we now have a new player in town. This is the fracti ... |
22-11-2018 at 18:11
by: CycloKnight |
Demethylation of Vanillin and Eugenol
Finally have some results to update on.
The fragrant compound I described as a major side produ ... |
21-11-2018 at 09:52
by: CycloKnight |
Demethylation of Vanillin and Eugenol
Not difficult to do but I don't have any TLC plates I'm afraid. Its on my list of things still to ac ... |
9-10-2018 at 10:43
by: CycloKnight |
Demethylation of Vanillin and Eugenol
FeCl3 solution test of assumed hydroxychavicol.
[img]https://i.imgur.com/pA1tscZ.jpg[/img] [img]h ... |
9-10-2018 at 05:35
by: CycloKnight |
Demethylation of Vanillin and Eugenol
Thanks for the suggestion, I'll try that test after the next run. I had a mishap a short while ago. ... |
1-10-2018 at 16:27
by: CycloKnight |
HCl acidified sample
This is about a gram of assumed potassium catecholate, several drops of HCl were added directly with ... |
1-10-2018 at 12:35
by: CycloKnight |
Demethylation of Vanillin and Eugenol
A few words about product purity, I can't offer any guarantees as it hasn't been thoroughly analysed ... |
1-10-2018 at 09:30
by: CycloKnight |
Demethylation of Vanillin and Eugenol
Recovered salt from the first of two extractions.
[img]https://i.imgur.com/NWgRsUw.jpg[/img]
... |
30-9-2018 at 18:13
by: CycloKnight |
Update
Further from the last run, the workup on the remaining 200 ml of the toluene extractions and vacuum ... |
30-9-2018 at 12:22
by: CycloKnight |
Demethylation of Vanillin and Eugenol
After cleaning up all the glassware, work area smells like a freshly cleaned public restroom. Can al ... |
27-9-2018 at 08:58
by: CycloKnight |
Disappointing results.
I attempted a 13g eugenol demethylation (slight deficiency compared with the vanillin patent). React ... |
27-9-2018 at 03:59
by: CycloKnight |
Demethylation of Vanillin and Eugenol
The LiCl route is one I've considered, I have some LiCl (made from Li2ClO3 and HCl aq) and about 500 ... |
25-9-2018 at 02:57
by: CycloKnight |
Demethylation of Vanillin and Eugenol
One of my acidified aqueous solution extracts from the eugenol trials (5g bromine/0.56 g Al/1.36 g e ... |
20-9-2018 at 02:00
by: CycloKnight |
Demethylation of Vanillin and Eugenol
clearly_not_atara All very helpful, thanks. I hadn't properly considered that the K2CO3 might have b ... |
19-9-2018 at 11:40
by: CycloKnight |
| [Next Page] |
