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preparation of succinic anhydride from succinic acid (using a Dean-Stark trap)
[u]PREPARATION OF SUCCINIC ANHYDRIDE FROM SUCCINIC ACID USING A DEAN-STARK TRAP[/u]
The idea was ... |
25-1-2026 at 09:06
by: dicyanin |
second-hand vacuum pump, oil change question
A while ago I was lucky to find a vacuum pump on a flea market for 10 bucks.
It's a beauty for that ... |
24-1-2026 at 11:59
by: dicyanin |
Syringa aldehyde, 4-propoxy-3,5-dimethoxy-benzaldehyde preparation.
Nice work. Any special reason for choosing NaBH[sub]4[/sub]/CuCl[sub]2[/sub] tandem instead of NaBH[ ... |
24-1-2026 at 10:53
by: dicyanin |
Two failed experiments: 4-aminophenol and benzocaine
[rquote=703867&tid=161362&author=Keras]
Benzocaine: this is probably the simplest of all. B ... |
24-1-2026 at 09:43
by: dicyanin |
extraction of PABA and benzocaine synthesis
[u]EXTRACTION OF PABA FROM SUPPLEMENT PILLS[/u]
100 pieces of PABA 500 mg pills[sup]1[/sup] were ... |
24-1-2026 at 09:10
by: dicyanin |
Tryptophan copper chelate formation
I remember having tried this procedure many moons ago. The tryptophan copper chelate is easily made, ... |
3-5-2025 at 23:37
by: dicyanin |
Double bond ox. cleavage to aldehyde with CuO
[rquote=698487&tid=160834&author=Texium]Sounds nice, but patents can sometimes be complete b ... |
27-4-2025 at 21:13
by: dicyanin |
Electrosynthesis of nitrates from urine
[rquote=699915&tid=156653&author=Mister Double U]
However, I have used such an anode in the ... |
25-4-2025 at 15:15
by: dicyanin |
using diphenyl ether
Diphenyl ether is available for cheap through perfumer's supply houses as "diphenyl oxide", because ... |
23-4-2025 at 23:40
by: dicyanin |
This forum: 403 Forbidden ?
Strangely enough, I can access the forum on my phone using 4G, but not on my windows PC using ethern ... |
23-4-2025 at 11:05
by: dicyanin |
ACIDIC HYDROLYSIS OF DEET (N,N-DIETHYL-m-TOLUAMIDE)
I've repeated the hydrolysis of DEET using azeotropic hydrochloric acid succesfully following the le ... |
23-4-2025 at 00:16
by: dicyanin |
This forum: 403 Forbidden ?
I've got the same problem, in fact I could log in, but while making a post I got the 403 error, and ... |
23-4-2025 at 00:01
by: dicyanin |
TLC
TLC solvent was methylene chloride
1, 2, 3, 4 stands for the first 10 ml collected, second, third ... |
11-4-2024 at 03:13
by: dicyanin |
Preparation of Thalidomide
An intimate mixture of 5 grams phthalic anhydride and 5 grams L-glutamic acid (finely ground togethe ... |
10-4-2024 at 05:07
by: dicyanin |
my results
[align=center][file]101683[/file][/align]
Reading up on isophorone it appears to be choice cataly ... |
10-4-2024 at 04:37
by: dicyanin |
DIY Divided electrochemical cell with stirring and cooling
Beautiful work  I am tempted to build one according to your design. Is the
resistance across t ... |
4-4-2024 at 10:55
by: dicyanin |
Powerful ozonizer, is it possible at home?
Attached are two papers which may be of interest. They were referenced on passing in a work on elect ... |
3-4-2024 at 14:50
by: dicyanin |
my results
L-Glutamic acid was prepared from Ajinomoto MSG, according to the [url=https://www.orgsyn.org/demo.a ... |
3-4-2024 at 11:47
by: dicyanin |
further reading
Here's some good further reading on the process:
Ehrlich, F., Über die Bedingungen der Fuselölb ... |
29-3-2024 at 04:29
by: dicyanin |
preparation of tryptophol by baker's yeast fermentation of L-tryptophan
Gentlemen,
thank you for your kind words, it is much appreciated.
[rquote=692031&tid=160256& ... |
29-3-2024 at 04:22
by: dicyanin |
preparation of tryptophol by baker's yeast fermentation of L-tryptophan
[align=center][file]101439[/file][/align]
Tryptophol (indole-3-ethanol) was first prepared by Fel ... |
28-3-2024 at 12:30
by: dicyanin |
Synthesis of terephthalic acid from a PET water bottle
Thanks for your kind words palico. You are quite right about the quality of the pictures, my only ex ... |
28-3-2024 at 00:45
by: dicyanin |
Synthesis of terephthalic acid from a PET water bottle
[rquote=691908&tid=160150&author=palico]Dear dicyanin, thanks for your experiment, but how h ... |
27-3-2024 at 10:56
by: dicyanin |
my results
[u]Experiment 1[/u]
In a 500 ml screw-top glass jar were placed 25 g PET[sup][1],[2][/sup], 25 g KO ... |
24-3-2024 at 12:22
by: dicyanin |
recrystallisation and resolution of thalidomide polymorphs
In crystallography, polymorphism describes the phenomenon where a compound or element can crystalliz ... |
13-3-2024 at 03:10
by: dicyanin |
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