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Diethylamine as catalyst in henry reaction?
so you are tring to prepare the nitropropane with plain benzaldehyde and nitroethane, im intrested w ...
29-6-2020 at 11:17
by: dextro88
Diethylamine as catalyst in henry reaction?
if you want to get the alcohol you need wet conditions and bases works good there was a table of the ...
29-6-2020 at 09:05
by: dextro88
a-iodination
hmm maybe you are confused with aromatic iodination, the proposed mechanism here is a-iodination of ...
29-6-2020 at 02:36
by: dextro88
a-iodination
https://sci-hub.tw/10.1055/s-2007-983880,
they state all from 1-0.7 eq I2 works in 99% yields too ...
29-6-2020 at 01:21
by: dextro88
a-iodination
Im thinking of a-iodination via CuO/I2/Methanol method,
the patent says eq. molar amaunts of I2 to ...
28-6-2020 at 18:13
by: dextro88
Forbidden Knowledge!
yeah you probably dont understand me, there is so small % of the skilled chemists who woud synthes d ...
28-6-2020 at 10:21
by: dextro88
Forbidden Knowledge!
actualy i think there is too much disinformation in almost everywhere, and if one is the type of ama ...
28-6-2020 at 09:21
by: dextro88
Darzen condensation
its shoud do,i will post a refference that can be trust like grain of salt...(https://the-hive.archi ...
19-6-2020 at 03:19
by: dextro88
Darzen condensation
darzen catalyzed only by sodium ?

i wisly woud use the methoxide, and woud that change the proce ...
18-6-2020 at 11:49
by: dextro88
Darzen condensation
Im looking at this paper but its unclear when they perfom the darzen betwen haloacetic acid and 4chl ...
18-6-2020 at 09:47
by: dextro88
Darzen condensation
sponfeeding ???

Im asking somethink chemistry related if someone want to give me some insight be ...
18-6-2020 at 07:48
by: dextro88
Darzen condensation
Im researching the mechanism behind the darzen condensation,
the papers says also the para-substit ...
17-6-2020 at 02:49
by: dextro88
Did anyone can find me the pKa of these bases salts
thank you for your effort, im still newbee its a litle hard calculations for me, but i will work my ...
11-6-2020 at 07:34
by: dextro88
Did anyone can find me the pKa of these bases salts
yes thats already accesible information, but i want to learn the calculation behind how to calculate ...
10-6-2020 at 10:12
by: dextro88
Did anyone can find me the pKa of these bases salts
thanks for the lesson, i need to know wich one is more acidic, i know most of the bases salts have a ...
10-6-2020 at 08:24
by: dextro88
Did anyone can find me the pKa of these bases salts
For a little experiment i need to know exactly whats the pKa of :
methylamine acetate
ethylamine ...
10-6-2020 at 07:18
by: dextro88
Alternatives to Friedl-Crafts reaction
yes in some clandestine papers they use KMNO4, its why i said oxidization but when i writed it i was ...
4-6-2020 at 03:49
by: dextro88
Stability of amines
Really i know the amines arent stable but i was forget abaut these bottles years ago and now when ch ...
28-5-2020 at 22:47
by: dextro88
Alternatives to Friedl-Crafts reaction
this procedure is well described in clandestine literature, you can reduce the ketone with borohydri ...
28-5-2020 at 12:35
by: dextro88
Stability of amines
thank you for you response, i cant even see the color as the botles are dark and are right from the ...
28-5-2020 at 10:40
by: dextro88
Stability of amines
Thank you very much for the suggestion, actually they are in theyr original botles and air seled on ...
26-5-2020 at 07:19
by: dextro88
Stability of amines
Hello can I ask a little question, I’m having some very old methylamine aq solution which have obv ...
26-5-2020 at 02:29
by: dextro88
Anethole cleavege
Hello all, from a few days im reseraching this topic, and find out only o-demethylation and hydrodeo ...
16-5-2020 at 04:11
by: dextro88
Methods for preventing over addition of Grignard reagent
you can skip all these reactions and just alkylate the benzene with isobytiric acid and PPA as catal ...
29-1-2020 at 01:41
by: dextro88
What is wrong with MDMA production nowdays?
The only difference between the old stuf you are speaking of and the nowadays is the precursor the M ...
26-1-2020 at 09:58
by: dextro88
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