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Catalytic hydrogenation - preparation of hydrogen in situ
@alking, oh, ok! and may be you think 1 gram is too much powder, huh? The physical loss in the filte ... |
30-7-2018 at 15:18
by: Chemi Pharma |
Catalytic hydrogenation - preparation of hydrogen in situ
Oh Man, in what country do you live that you don't have acess to metal hydrides?
Pd/C or Pt/C is ... |
30-7-2018 at 08:16
by: Chemi Pharma |
Isopropyl Iodide Synthesis Aluminium Iodide Catalyst Results
@VSEPR_VOID, I did a research and found the source of AvBaeyer assertion when he say:
"Saturated ... |
30-7-2018 at 04:41
by: Chemi Pharma |
Isopropyl Iodide Synthesis Aluminium Iodide Catalyst Results
@VSEPR_VOID, remember what @AVBayer said in another thread about ethyl iodide. That's theorical:
... |
29-7-2018 at 02:00
by: Chemi Pharma |
Ethyl Iodide
@Surrealist, your idea on how to make ethyl chloride will not work the way you are thinking. Ethyl c ... |
28-7-2018 at 13:11
by: Chemi Pharma |
Catalytic hydrogenation - preparation of hydrogen in situ
See this topic about nitrocompounds reduction with many reagents couple:
http://www.sciencemadnes ... |
28-7-2018 at 06:06
by: Chemi Pharma |
P2NP synthesis/crystalization problem
I think your problem is the work up you are doing.
My comments: don't use NaHCO3 to try purify yo ... |
27-7-2018 at 16:52
by: Chemi Pharma |
Nitrostyrene reduction using NaBH4/CuCl2
[rquote=524230&tid=84596&author=Sidmadra]
The role of bases in borohydride extractions li ... |
18-7-2018 at 11:06
by: Chemi Pharma |
Isopropyl iodide from iPrOH/Red P/I2. Unexpected product
No idea what can it be, but I strongly suggest you follow the H3PO4 + KI process to make alkyl iodid ... |
18-7-2018 at 10:49
by: Chemi Pharma |
How to synthesize cetyl chloride
@MJ101, posting again printed in .pdf. No more pictures problems, I guess: |
14-7-2018 at 07:53
by: Chemi Pharma |
How to synthesize cetyl chloride
As already mentioned by me at another topic: http://www.sciencemadness.org/talk/viewthread.php?tid=8 ... |
14-7-2018 at 06:09
by: Chemi Pharma |
Nitrostyrene reduction using NaBH4/CuCl2
I have already documented here the reduction of nitrostyrenes with nickel boride (NaBH4 + NiCl2 in m ... |
11-7-2018 at 09:38
by: Chemi Pharma |
hydrogenolysis with lithium aluminium hydride
[rquote=523130&tid=84462&author=alittlebitcrazy]
"Reduction of the compound lb, R = CHO (6' ... |
3-7-2018 at 13:07
by: Chemi Pharma |
hydrogenolysis with lithium aluminium hydride
You really didn't read what @JJay wrote, I guess.
No, LiAlH4 can't reduce ketones or aldehydes to ... |
3-7-2018 at 11:25
by: Chemi Pharma |
hydrogenolysis with lithium aluminium hydride
I agree with all @JJay have written above, and add that some aryl ketones and alcohols can be reduce ... |
2-7-2018 at 23:01
by: Chemi Pharma |
Reduction of 4-nitrobenzoic acid
[rquote=522586&tid=84372&author=Dullemarc] How should I reduce it, should I just add plenty ... |
22-6-2018 at 13:44
by: Chemi Pharma |
Reduction of 4-nitrobenzoic acid
[rquote=522563&tid=84372&author=CuReUS]do the esterification first,then reduce -[url]https:/ ... |
22-6-2018 at 07:40
by: Chemi Pharma |
Does washing ether with a hydroxide solution make it safe enough to distill to dryness?
Trying to remove organic peroxides from diethyl ether or THF with alkaline hydroxides is a bad idea. ... |
20-6-2018 at 10:51
by: Chemi Pharma |
Confusion about Aluminium Powder Safety
I have 5 kilograms of fine alumminium powder (5 microns) stored at 02 glass bottles for three (03) y ... |
20-6-2018 at 10:39
by: Chemi Pharma |
Phenylpropanones (P2P) from anilines
[rquote=521570&tid=9990&author=clearly_not_atara]
From the paper:
[i]"To a stirred mix ... |
15-6-2018 at 11:01
by: Chemi Pharma |
Failed synthesis of cyclohexanol from cyclohexene.
[rquote=520465&tid=82321&author=JBSC]chemi pharma........you said "Some studies claims that ... |
4-6-2018 at 09:49
by: Chemi Pharma |
Phenylpropanones (P2P) from anilines
The procedure is labeled: "Facile Synthesis of 1-Aryl-2-propanones
from Aromatic Amine" and I'm att ... |
3-6-2018 at 11:47
by: Chemi Pharma |
N methylation of 4-pyperidone
Classical Eschweiler–Clarke reaction favours the dimethylation and trimethylation of the nitrogen ... |
28-5-2018 at 12:48
by: Chemi Pharma |
von Braun Cyanogen Bromide Reaction alternative
Thank you either @Mush for the paper.
I didn't know acetaldehyde, phosgene and catalytic PTC with ... |
28-5-2018 at 11:17
by: Chemi Pharma |
making ammonium chloride/sal ammoniac
No @Deathunter, cause the MSDS say that water is only 0,5926% of the product composition. The rest i ... |
28-5-2018 at 05:46
by: Chemi Pharma |
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