| Search |
| [Next Page] |
Semicarbazide
urea -> -> nitrourea - reduction -> desired compound
It works and no N2H4 is needed.
[Edi ... |
10-1-2024 at 15:25
by: kmno4 |
Quaternary pyridine compounds
[rquote=687905&tid=159907&author=Boffis].... or dimethyl sulphate be used? [/rquote]
Such m ... |
5-1-2024 at 12:05
by: kmno4 |
Synthesis of 9,9‘-bianthracene from anthraquinone
I do not know, but such adducts are formed by weak forces and cannot be very stable. I think that to ... |
20-12-2023 at 15:06
by: kmno4 |
Synthesis of 9,9‘-bianthracene from anthraquinone
[rquote=689338&tid=160017&author=Boffis]...experiment with 9-bromo-anthracene and copper bro ... |
13-12-2023 at 10:27
by: kmno4 |
Synthesis of 9,9‘-bianthracene from anthraquinone
The procedure is taken from "The Symmetrical Dianthryls. Part I" by Bell and Waring. It is attached ... |
6-12-2023 at 16:44
by: kmno4 |
Preparation of Ketones by Calcium salt Pyrolysis
[quote].... simple all-glass pipe reactor, containing metal oxide ..... [/quote]
It was constructed ... |
30-8-2023 at 12:25
by: kmno4 |
ethanol self-condensation
[quote](...) we are talking about the interaction of sodium ethoxide with ethanol and its decomposit ... |
18-7-2023 at 14:57
by: kmno4 |
Preparation of Ketones by Calcium salt Pyrolysis
It is obvious, that such highly simplified test-tube scale procedure creates many problems with foam ... |
16-7-2023 at 09:37
by: kmno4 |
Usage of potassium chlorate in organic chemistry
[quote]Maybe it oxidizes chloride back to chlorine. Then chlorine makes various chlorinated (substit ... |
1-7-2023 at 11:01
by: kmno4 |
benzyl methyl ether
Just to end what has been started :
After several days standing (just no time for playing with it ... |
25-6-2023 at 12:29
by: kmno4 |
benzyl methyl ether
The paper about electroreduction of organic matters is interesting, but badly OCRed. Improved versio ... |
24-6-2023 at 05:44
by: kmno4 |
benzyl methyl ether
Hm, it seems that this simple procedure works 
I expected rather unchanged reagents....
My propo ... |
3-6-2023 at 17:15
by: kmno4 |
benzyl methyl ether
Yes, I have seen this post.
Of course, sodium/potasium benzylate + CH3I or Me2SO4 gives the same et ... |
31-5-2023 at 15:25
by: kmno4 |
benzyl methyl ether
[quote]Methanol + NaOH <-> Na methoxide + H2O. Benzyl chloride + Na methoxide -> Benzyl met ... |
31-5-2023 at 02:06
by: kmno4 |
benzyl methyl ether
[quote]Does someone know [b]which of the compounds (benzyl chloride or benzyl methyl ether) makes an ... |
30-5-2023 at 14:28
by: kmno4 |
Help identifying these metal ions
..... that is why I would use XRF spectrometer to analyse the raw material. Playing with probes g ... |
5-5-2023 at 04:28
by: kmno4 |
Help identifying these metal ions
It looks like Cr, of course, but with some admixture.
This admixture(s) may catalyze air oxidation ... |
1-5-2023 at 21:12
by: kmno4 |
Preparation of Ketones by Calcium salt Pyrolysis
I always liked this way of preparing ketones. One of my earliest experiments was thermal decomposi ... |
19-4-2023 at 13:46
by: kmno4 |
Acetone condensation with KOH - some experimental results. Isophorone
... and the last part
Remarks/comments
(1) When fresh AC is used (p.a. or better grade), no ... |
8-3-2023 at 12:56
by: kmno4 |
Acetone condensation with KOH - some experimental results. Isophorone
Part II
... First ~25 cm3 of distillate is set aside - it contains the rest of MO, with IPH and ... |
1-3-2023 at 23:21
by: kmno4 |
aldol condensation of acetone on calcium carbide
I do not understand why to use so complex procedure for obtaining mesityl oxide(MO).
Just acetone - ... |
28-2-2023 at 15:30
by: kmno4 |
Acetone condensation with KOH - some experimental results. Isophorone
Part I
INTRODUCTION
Because I had a 1-liter bottle of very old ( more then 20 years....) ace ... |
21-2-2023 at 12:17
by: kmno4 |
benzyl acetone = 4-phenylbutan-2-one by hydrogenation of benzylideneacetone with H2 on palladium catalyst
My distilled product was completely collorless, as it should be.
I do not like making impure prep ... |
3-12-2022 at 05:25
by: kmno4 |
benzyl acetone = 4-phenylbutan-2-one by hydrogenation of benzylideneacetone with H2 on palladium catalyst
I made this ketone years ago, but in very similar way: 10%Pd/alumina with H2 generated by electrol ... |
2-12-2022 at 14:17
by: kmno4 |
haloform reaction - cinnamic acid from benzylideneacetone
I did cinnamic acid by this method few times, with yields around 70-80%, close to the yields in th ... |
26-11-2022 at 14:31
by: kmno4 |
| [Next Page] |
