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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 |
Tryptamine Acylation-Cylization
[quote]Basically, N protection of tryptophan with phthalic anhydride to the phthalimide,[/quote]
... |
12-3-2024 at 15:58
by: dicyanin |
Tryptophan decarboxylation improved
Good results are obtained by doing the decarboxylation in pine turpentine with 5% DMSO added as co-s ... |
12-3-2024 at 04:27
by: dicyanin |
Synthesis of malonic acid
A possible novel method for obtaining malonic acid through electro-oxidation of 1,3-propanediol is s ... |
11-3-2024 at 13:28
by: dicyanin |
regarding the oxidation of malic acid w. ammoniacal H2O2
[rquote=187729&tid=1600&author=Magpie]I have recently tried a preparation of calcium malonat ... |
11-3-2024 at 09:15
by: dicyanin |
Preparation of Thalidomide
Attached is a paper that reports a facile small size (~2-5 grams scale depending on substrate) micro ... |
28-2-2024 at 16:44
by: dicyanin |
Peroxide prevention in ethers
I concur that BHT is the best option. It is also available for cheap through DIY cosmetics suppliers ... |
20-2-2024 at 08:08
by: dicyanin |
How hazardous is fluorine chemistry?
[rquote=690987&tid=160167&author=Sulaiman][rquote=690961&tid=160167&author=unionised ... |
20-2-2024 at 07:52
by: dicyanin |
Proline decarboxylations
It's perhaps a bit late, but I would like throw in my two cents.
In my experiments I've always ... |
16-2-2024 at 13:10
by: dicyanin |
New to forum
[rquote=659079&tid=157365&author=Fery]
Here few of other natural compounds extractions:
ht ... |
13-6-2021 at 03:01
by: dicyanin |
Dragendorff reagent preparation
It just occured to me, maybe the source of error is the name "basic bismuth(III)nitrate", which in t ... |
13-6-2021 at 02:47
by: dicyanin |
Dragendorff reagent preparation
I bought the bismuth subnitrate from a reputable supplier, so I'm pretty confident about the purity. ... |
13-6-2021 at 02:35
by: dicyanin |
Dragendorff reagent preparation
pH = ~2 (measured with pH paper)
Maybe I can try the other method, using 25% acetic acid, but I d ... |
4-6-2021 at 05:58
by: dicyanin |
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