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GhostChemist

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Reaction scheme:
Kf9FmyR5vY

Equipment and glassware:
GNLHsFl0Uk
Reagents:
  • Benzaldehyde 1000 ml;
  • Nitroethane 1000 ml;
  • Glacial acetic acid 250 ml;
  • n-Butylamine 50 ml;
  • Isopropyl alcohol (IPA) ~1000 ml;
Medium scale:
1. Benzaldehyde 1000 ml, nitroethane 1000 ml, glacial acetic acid 250 ml and n-butylamine 50 ml are placed into 10 L flask.
2. A reflux condenser is installed onto the flask.
3. The stirrer and heater are turned on. The reaction mixture is heated up to 60 °С.
4. The reaction is conducted during 2-3 hours with constant stirring at 60 °С.
5. The reaction mixture is poured into an empty 5-10 L bucket.
6. Isopropyl alcohol (IPA) 800 ml is poured into the bucket and stirred.
7. The bucket with mixture is put into a freezer for 12 hours, 1-phenyl-2-nitropropene (
P2NP) is crystallized.
8. The product P2NP is filtered on a Buchner funnel (
suction filtration procedure), washed be a small amount of cold IPA and dried on air (or in vacuum chamber, optional).


Equipment and glassware:
  • Beaker 500 ml;
  • Funnel;
  • Vacuum source;
  • Laboratory scale (0.1-500 g is suitable) - optional;
  • Measuring cylinders 50 mL and 100 mL;
  • Glass rod and spatula;
  • Filter paper;
  • Buchner flask and funnel;
  • Freezer;
  • Microwave oven 750 W;
Reagents:
  • Benzaldehyde 100 ml;
  • Nitroethane 100 ml;
  • Glacial acetic acid 25 ml;
  • n-Butylamine 20 ml;
  • Isopropyl alcohol (IPA) ~150 ml;

Microwave (small) scale:
1. Benzaldehyde 100 ml, nitroethane 100 ml, glacial acetic acid 25 ml and n-butylamine 20 ml are placed into 500 ml beaker.
2. A rubber glove is put onto the beaker.
3. The beaker is put into a microwave oven.
4. The power of the microwave oven is set up on 750 W. Oven is turned on and the mixture is warmed until the boiling. The mixture is cooled down to the room temperature.
5. Step 4 is repeated several times. Minimum 6 times.
6. Next, IPA 100 ml is added, reaction mixture is stirred and put into a freezer for 12 hours. 1-Phenyl-2-nitropropene (
P2NP) is crystallized.
7. The product P2NP is filtered on a Buchner funnel (suction filtration procedure), washed be a small amount of cold IPA and dried on air (or in vacuum chamber, optional).

1-Phenyl-2-nitropropene (P2NP) recrystallization

1-Phenyl-2-nitropropene (P2NP) can be recrystallized from hexane, methanol, ethanol or isopropanol (IPA).
 
Last edited by a moderator:

tankikan

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Reaction scheme:
View attachment 1298


Heat variant:
1. 1000ml benzaldehyde, 1000ml nitroethane, 250ml glacial acetic acid and 50ml n-butylamine was added in 10l flask.
2. Install condenser on the flask.
3. Start stirring and heat reaction mixture to 60*C.
4. Heating mixture 2-3 hours.
5. Empty mixture in the bucket.
6. Add 800ml IPA in the bucket and stirred.
7. Put the bucket in the freezer at 12 hours.
8. After that time P2NP was crystallized.
9. Filtered and dried.

Microwave variant:
1. 100ml benzaldehyde, 100ml nitroethane, 25ml glacial acetic acid and 20ml n-butylamine was added in 500ml glass.
2. Put a rubber glove on a glass.
3. The glass was put in the microwave.
4. Turn on the power of 750W and warm so much time so that the mixture does not boil.
5. We repeat the step 4 several times, let me cool the mixture. Minimum 6 irradiation.
6. After that, add 100ml IPA, stirred and put in the freezer for 12 hours.
7. After that time P2NP was crystallized.
8. Filtered and dried.
William DampierMay i know if Nitromethane is equal to nitroethane?

And is it possible to use this item (as attached screenshot) as n-butylamine? If yes, how would you suggest to proceed?
 

Attachments

  • 0h1LVI52xe.jpg
    0h1LVI52xe.jpg
    365.5 KB · Views: 1,363
Last edited:

WillD

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May i know if Nitromethane is equal to nitroethane?
tankikanNo, these are different reagents. With nitromethane, we will get nitrostyrene. Nitromethane with some substituted benzaldehydes is suitable for the synthesis of the sources of a large class of substances, various psychedelic.
And is it possible to use this item (as attached screenshot) as n-butylamine? If yes, how would you suggest to proceed?
No
 
Last edited by a moderator:

cyb3r0

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My friend, we can never get nitroethane, is there an alternative to it in this case?
 

HIGGS BOSSON

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My friend, we can never get nitroethane, is there an alternative to it in this case?
cyb3r0Problems with nitroethane in Europe began back in 2007, then gradually all countries put restrictions on this valuable reagent. And now there are two ways: to look for suppliers in countries where there is weak legislation with a developed chemical industry, for example, Bangladesh, or to synthesize independently, the methodology for this we have proposed.
 

anotherNovice

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I can find benzaldehyde for perfumery labeled CAS 100-57-2. Is this the same as required?
 

mactipo01

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hello!!
whats is ipa?
and how much methanphetamine can i get with the process?
ty beforhand :)
 

mactipo01

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where i can buy 10l flask?
 

HIGGS BOSSON

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hello!!
whats is ipa?
and how much methanphetamine can i get with the process?
ty beforhand :)
mactipo01In this topic, a method for obtaining phenylnitropropene, a precursor for the synthesis of amphetamine, is published. If you need methamphetamine, then look at the relevant topics. IPA - isopropyl alcohol

 
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mactipo01

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oh ty!!.. very nice....is very hard to learn this...and no simple to do it.
you perhaps
sell it? or know where i can buy some stimolant pills?
 

WillD

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oh ty!!.. very nice....is very hard to learn this...and no simple to do it.
you perhaps
sell it? or know where i can buy some stimolant pills?
mactipo01Regarding this topic, we can help with the synthesis of P2NP. Other discussions in other topics
 

mactipo01

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sorry, i'm new...what is simple method to synthesis meth? P2NP or from ephedrine tablets?
 

WillD

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P2NP/Al/Hg, good route to start but difficult for large scales
 
Last edited by a moderator:

a_king

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how to get n-butylamen please
 

ASheSChem

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hi guys;
if we use cyclohexylamine, do we need glacial acetic acid ?
 
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