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1,4dichlorobenzene to phenol Oh, ít does work, but for example, substitution of 1-chlorbenzene violent reaction conditions are n ... |
14-3-2003 at 13:15 by: BASF |
lead nitrate synthesis What about that(i have tried that already ):
Lead metal + NaHSO4 + KNO3 + gentle heating and ev ... |
14-3-2003 at 13:00 by: BASF |
lead nitrate synthesis Pb+S --> PbS
Melted lead + slow addition of sulfur under absence of air? - i never tried that ... |
14-3-2003 at 12:26 by: BASF |
Preparation of sulfuric acid I was always interested in this process with "anhydrit".
Do you have further, more detail ... |
13-3-2003 at 19:18 by: BASF |
sorry de the previus article wasn´t complete In this case concentrated HNO3 works better.
The reaction of HNO3 with lead to yield lead nitrate i ... |
13-3-2003 at 19:15 by: BASF |
Aluminium Nitrate Synthesis [quote]
Al + 3 HCl --> AlCl3 ( in water ) + 3/2 H2
[/quote]
...this does not work.
You wil ... |
13-3-2003 at 19:02 by: BASF |
Aluminium Nitrate Synthesis I once made aluminum nitrate with good success using the following method:
Clean aluminum metal w ... |
13-3-2003 at 18:41 by: BASF |
Teflon synthesis [quote]
a Freon container had frozen and compressed yielding a white chunk of Teflon.
[/quote]
... |
13-3-2003 at 09:28 by: BASF |
Crazy Benzene-synthesis [quote]
I don't really understand why do it need a Chlorine?
[/quote]
Well, i know that fo ... |
12-3-2003 at 15:00 by: BASF |
"Weird" acid/base chemistry A lot of interesting questions at once....
Do anhydrous acids undergo autoionization?-Yes, to a l ... |
12-3-2003 at 12:11 by: BASF |
Crazy Benzene-synthesis Hey thanks.....
You´d only have to change -OH being on top of the arrow in the last step, reagen ... |
12-3-2003 at 10:24 by: BASF |
Crazy Benzene-synthesis It is a *** art to draw structural formulas with ASCII, and when you post it to the board, all the g ... |
10-3-2003 at 16:23 by: BASF |
Crazy Benzene-synthesis NOOOOOOOO!
This is running me mad........argh
it was all ok till i posted it to the board |
10-3-2003 at 16:06 by: BASF |
Crazy Benzene-synthesis I was wondering if that could work:
.....................................Cl
.............. ... |
10-3-2003 at 16:04 by: BASF |
Resorcinol synthesis Quite an interesting task....
from a hobby-chemists point of view:
1)Direct nucleophilic subst ... |
10-3-2003 at 11:56 by: BASF |
Fusing two carbon chain Exmple
CH3CH2Br + CH3CH2CH2MgBr > CH3CH2CH2CH2CH3
=alkylation
There are many opportunities ... |
8-3-2003 at 18:22 by: BASF |
cheapest way to pure oxygen Gentle heating of KNO3 would yield nitrite and O2, i think.
I doubt it would be possible to get one ... |
7-3-2003 at 13:25 by: BASF |
Oxidation of MnO2 to Permanganate Thanks for the hint on Muspratt.....this would be quite a cheap method then |
7-3-2003 at 13:07 by: BASF |
Oxidation of MnO2 to Permanganate [quote]
Permanganates can always be recycled though, which is a big advantage.
[/quote]
(Marvin)
... |
7-3-2003 at 10:18 by: BASF |
De-Nitratation? The benzene ring is, as opposed to non-aromatic substances not able to be reacted with a nucleophil ... |
7-3-2003 at 06:21 by: BASF |
Gringard' Regent watch out = never distill the whole Et2O off, always leave some of it in the flask.
So the dissolve ... |
28-2-2003 at 17:15 by: BASF |
DPPP-the legendary Mackowiak patent Anyone got some time and a thermometer?
1)The decomposition temperature claimed by the patent is ... |
23-2-2003 at 22:15 by: BASF |
Dinitroacetone peroxide Recently i was playing around with chemsketch, trying to get some output regarding a hypothetical tr ... |
23-2-2003 at 21:45 by: BASF |
Gringard' Regent they are sold in etheric solutions but very often made "in situ", right before use.
May ... |
23-2-2003 at 17:15 by: BASF |
from a secret admirer [quote]
From the material you provided from PATR 2700, it is apparent that the peroxide patent give ... |
23-2-2003 at 17:02 by: BASF |
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