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how to prepare diborane in situ?
[rquote=156111&tid=12426&author=ItalianXKem]it' so dangerous ! B2H6 is higly flamable , low- ...
29-6-2009 at 05:03
by: zbde00
how to prepare diborane in situ?
[rquote=155972&tid=12426&author=Barium]NaBH4 + I2 should not be expensive at all since iodin ...
25-6-2009 at 16:46
by: zbde00
how to prepare diborane in situ?
The classic reaction is :
NaBH4+BF3.Et2O
I don't like BF3.Et2O.It is too toxic and may cause explo ...
24-6-2009 at 21:29
by: zbde00
Reduction of carboxylic acid to alcohol!
To Barium
sorry.It's diethyl ether.I use wrong word.
To Nicodem
It is not the ZrCl4 burns,but ...
16-9-2008 at 20:03
by: zbde00
Reduction of carboxylic acid to alcohol!
To ziqquratu
I2 is expensive .
To ScienceSquirrel
Thank you.
I think dibrane may not be sca ...
16-9-2008 at 05:11
by: zbde00
Reduction of carboxylic acid to alcohol!
Thank you!
To not_important
I have read this article.It use diethyl ether as the solvent.DME is ...
15-9-2008 at 21:36
by: zbde00
Reduction of carboxylic acid to alcohol!
Can anyone tell me a pactical and economical method to reduction of carboxylic acid to alcohol!
NaB ...
15-9-2008 at 16:47
by: zbde00
tell me a good method to convert alcohol to bromide
thank everyone!i will try all the way you suggested until i succeed.
8-5-2005 at 17:16
by: zbde00
tell me a good method to convert alcohol to bromide
i have a substrate,CH3CH2OCH2CH2OH
i want to convert it to CH3CH2OCH2CH2Br
i have used PBr3,PPh3+C ...
18-4-2005 at 17:04
by: zbde00
how to remove the Br atom?
thank everyone.the substrate in the first picture is comming from the below picuture.
If everyone h ...
21-3-2005 at 15:54
by: zbde00
how to remove the Br atom?
Is there any way to remove the Br atom except for Pa/C reduction?
thanks.
please see the picture
21-3-2005 at 05:55
by: zbde00
aniline impurities
Sorry.I don't notice aniline is a liquid
The impurities may be removed by filter paper
I ha ...
24-2-2005 at 07:01
by: zbde00
FTP Server #2
>10 days?
It seems Sweden is really a socialism country
24-2-2005 at 06:53
by: zbde00
where to find the crystal structure of AlF3.3H2O?
where to find the crystal structure of AlF3.3H2O?
is there any free database to search?
24-2-2005 at 06:34
by: zbde00
how to make this ester
thank alchemie,sparkgap
you shed light on my question...
I learn much from your posts.
Do you hav ...
24-2-2005 at 06:25
by: zbde00
how to make this ester
Thank sparkgap.
The method you proposed is good.
21-2-2005 at 06:32
by: zbde00
how to make this ester in moderate yield
how to make this ester in moderate?
see the picture in the attachment
21-2-2005 at 05:52
by: zbde00
how to make this ester
runlabrun is correct.
I will try my best to draw a new picture in a new post.
thank everyone
21-2-2005 at 05:33
by: zbde00
how to make this ester
thank everyone.
the reference is only the picture.
I'm a chinese. I'm very glad to m ...
21-2-2005 at 05:27
by: zbde00
how to make this ester
the picture cann't be seen correctly here.
you can see it in this website
http://ccebbs.com/f ...
19-2-2005 at 01:27
by: zbde00
how to make this ester
My substrate is
[img]http://ccebbs.com/forum/showimg.asp?id=9323[/img]
I want to make a phosphori ...
19-2-2005 at 01:24
by: zbde00
help:The synthesis of N,N-dimethylformamide di-tert-butyl acetal
i found a paper about the synthesis of N,N-dimethylformamide di-tert-butyl acetal using ester excha ...
19-2-2005 at 00:57
by: zbde00
FTP Server #2
I have only some polymer books.
If someone have interest in them and Axe give me access to the ftp ...
19-2-2005 at 00:37
by: zbde00
FTP Server #2 directory structure ideas
//Folder for books, could be subdidided with sub folders into inorganic chem(general), organic chem( ...
19-2-2005 at 00:20
by: zbde00
aniline impurities
recrystallized in water.
heat it in water then filter the color material.
18-2-2005 at 23:10
by: zbde00
Sciencemadness Discussion Board
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Fundamentals
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» Electronics
» Process Engineering
» Materials and Metallurgy
Special Topics
» Analytical Chemistry
» Electrochemistry
» Energetic Materials
» Biochemistry
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